java.lang.Object
- org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
- - edu.caltech.nanodb.sqlparse.NanoSQLBaseVisitor<java.lang.Object>
  - - edu.caltech.nanodb.sqlparse.NanoSQLTranslator

All Implemented Interfaces:

NanoSQLVisitor<java.lang.Object>, org.antlr.v4.runtime.tree.ParseTreeVisitor<java.lang.Object>
```
public class NanoSQLTranslator
extends NanoSQLBaseVisitor<java.lang.Object>
```
This class translates NanoSQL parse trees generated by the ANTLR4 grammar into the corresponding hierarchy of Command and Expression objects used by the server for command execution.

Field Summary

Fields
Modifier and Type Field Description

private FunctionDirectory functionDirectory
A function directory for resolving function calls.

Constructor Summary

Constructors
Constructor Description

NanoSQLTranslator()

NanoSQLTranslator(FunctionDirectory functionDirectory)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`visitAnalyzeStmt(NanoSQLParser.AnalyzeStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.analyzeStmt()`.
`java.lang.Object`	`visitBeginTxnStmt(NanoSQLParser.BeginTxnStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.beginTxnStmt()`.
`java.lang.Object`	`visitCascadeOptCascade(NanoSQLParser.CascadeOptCascadeContext ctx)`	Visit a parse tree produced by the `CascadeOptCascade` labeled alternative in `NanoSQLParser.cascadeOption()`.
`java.lang.Object`	`visitCascadeOptRestrict(NanoSQLParser.CascadeOptRestrictContext ctx)`	Visit a parse tree produced by the `CascadeOptRestrict` labeled alternative in `NanoSQLParser.cascadeOption()`.
`java.lang.Object`	`visitCascadeOptSetNull(NanoSQLParser.CascadeOptSetNullContext ctx)`	Visit a parse tree produced by the `CascadeOptSetNull` labeled alternative in `NanoSQLParser.cascadeOption()`.
`java.lang.Object`	`visitCmdProperties(NanoSQLParser.CmdPropertiesContext ctx)`	Visit a parse tree produced by `NanoSQLParser.cmdProperties()`.
`java.lang.Object`	`visitColConstraintForeignKey(NanoSQLParser.ColConstraintForeignKeyContext ctx)`	Visit a parse tree produced by the `ColConstraintForeignKey` labeled alternative in `NanoSQLParser.columnConstraint()`.
`java.lang.Object`	`visitColConstraintNotNull(NanoSQLParser.ColConstraintNotNullContext ctx)`	Visit a parse tree produced by the `ColConstraintNotNull` labeled alternative in `NanoSQLParser.columnConstraint()`.
`java.lang.Object`	`visitColConstraintPrimaryKey(NanoSQLParser.ColConstraintPrimaryKeyContext ctx)`	Visit a parse tree produced by the `ColConstraintPrimaryKey` labeled alternative in `NanoSQLParser.columnConstraint()`.
`java.lang.Object`	`visitColConstraintUnique(NanoSQLParser.ColConstraintUniqueContext ctx)`	Visit a parse tree produced by the `ColConstraintUnique` labeled alternative in `NanoSQLParser.columnConstraint()`.
`java.lang.Object`	`visitColRefNoTable(NanoSQLParser.ColRefNoTableContext ctx)`	Visit a parse tree produced by the `ColRefNoTable` labeled alternative in `NanoSQLParser.columnRef()`.
`java.lang.Object`	`visitColRefTable(NanoSQLParser.ColRefTableContext ctx)`	Visit a parse tree produced by the `ColRefTable` labeled alternative in `NanoSQLParser.columnRef()`.
`java.lang.Object`	`visitColRefWildcardNoTable(NanoSQLParser.ColRefWildcardNoTableContext ctx)`	Visit a parse tree produced by the `ColRefWildcardNoTable` labeled alternative in `NanoSQLParser.columnRef()`.
`java.lang.Object`	`visitColRefWildcardTable(NanoSQLParser.ColRefWildcardTableContext ctx)`	Visit a parse tree produced by the `ColRefWildcardTable` labeled alternative in `NanoSQLParser.columnRef()`.
`java.lang.Object`	`visitColTypeBigInt(NanoSQLParser.ColTypeBigIntContext ctx)`	Visit a parse tree produced by the `ColTypeBigInt` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeChar(NanoSQLParser.ColTypeCharContext ctx)`	Visit a parse tree produced by the `ColTypeChar` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeDate(NanoSQLParser.ColTypeDateContext ctx)`	Visit a parse tree produced by the `ColTypeDate` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeDateTime(NanoSQLParser.ColTypeDateTimeContext ctx)`	Visit a parse tree produced by the `ColTypeDateTime` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeDecimal(NanoSQLParser.ColTypeDecimalContext ctx)`	Visit a parse tree produced by the `ColTypeDecimal` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeDouble(NanoSQLParser.ColTypeDoubleContext ctx)`	Visit a parse tree produced by the `ColTypeDouble` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeFloat(NanoSQLParser.ColTypeFloatContext ctx)`	Visit a parse tree produced by the `ColTypeFloat` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeInt(NanoSQLParser.ColTypeIntContext ctx)`	Visit a parse tree produced by the `ColTypeInt` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeTime(NanoSQLParser.ColTypeTimeContext ctx)`	Visit a parse tree produced by the `ColTypeTime` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeTimestamp(NanoSQLParser.ColTypeTimestampContext ctx)`	Visit a parse tree produced by the `ColTypeTimestamp` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitColTypeVarChar(NanoSQLParser.ColTypeVarCharContext ctx)`	Visit a parse tree produced by the `ColTypeVarChar` labeled alternative in `NanoSQLParser.columnType()`.
`java.lang.Object`	`visitCommand(NanoSQLParser.CommandContext ctx)`	Visit a parse tree produced by `NanoSQLParser.command()`.
`java.lang.Object`	`visitCommands(NanoSQLParser.CommandsContext ctx)`	Visit a parse tree produced by `NanoSQLParser.commands()`.
`java.lang.Object`	`visitCommitTxnStmt(NanoSQLParser.CommitTxnStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.commitTxnStmt()`.
`java.lang.Object`	`visitCrashStmt(NanoSQLParser.CrashStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.crashStmt()`.
`java.lang.Object`	`visitCreateIndexStmt(NanoSQLParser.CreateIndexStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.createIndexStmt()`.
`java.lang.Object`	`visitCreateTableStmt(NanoSQLParser.CreateTableStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.createTableStmt()`.
`java.lang.Object`	`visitDeleteStmt(NanoSQLParser.DeleteStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.deleteStmt()`.
`java.lang.Object`	`visitDropIndexStmt(NanoSQLParser.DropIndexStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.dropIndexStmt()`.
`java.lang.Object`	`visitDropTableStmt(NanoSQLParser.DropTableStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.dropTableStmt()`.
`java.lang.Object`	`visitDumpIndexStmt(NanoSQLParser.DumpIndexStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.dumpIndexStmt()`.
`java.lang.Object`	`visitDumpTableStmt(NanoSQLParser.DumpTableStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.dumpTableStmt()`.
`java.lang.Object`	`visitExitStmt(NanoSQLParser.ExitStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.exitStmt()`.
`java.lang.Object`	`visitExplainDelete(NanoSQLParser.ExplainDeleteContext ctx)`	Visit a parse tree produced by the `ExplainDelete` labeled alternative in `NanoSQLParser.explainStmt()`.
`java.lang.Object`	`visitExplainInsert(NanoSQLParser.ExplainInsertContext ctx)`	Visit a parse tree produced by the `ExplainInsert` labeled alternative in `NanoSQLParser.explainStmt()`.
`java.lang.Object`	`visitExplainSelect(NanoSQLParser.ExplainSelectContext ctx)`	Visit a parse tree produced by the `ExplainSelect` labeled alternative in `NanoSQLParser.explainStmt()`.
`java.lang.Object`	`visitExplainUpdate(NanoSQLParser.ExplainUpdateContext ctx)`	Visit a parse tree produced by the `ExplainUpdate` labeled alternative in `NanoSQLParser.explainStmt()`.
`java.lang.Object`	`visitExprAdd(NanoSQLParser.ExprAddContext ctx)`	Visit a parse tree produced by the `ExprAdd` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprAnd(NanoSQLParser.ExprAndContext ctx)`	Visit a parse tree produced by the `ExprAnd` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprBetween(NanoSQLParser.ExprBetweenContext ctx)`	Visit a parse tree produced by the `ExprBetween` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprColumnRef(NanoSQLParser.ExprColumnRefContext ctx)`	Visit a parse tree produced by the `ExprColumnRef` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprCompare(NanoSQLParser.ExprCompareContext ctx)`	Visit a parse tree produced by the `ExprCompare` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExpressionList(NanoSQLParser.ExpressionListContext ctx)`	Visit a parse tree produced by `NanoSQLParser.expressionList()`.
`java.lang.Object`	`visitExprExists(NanoSQLParser.ExprExistsContext ctx)`	Visit a parse tree produced by the `ExprExists` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprFunctionCall(NanoSQLParser.ExprFunctionCallContext ctx)`	Visit a parse tree produced by the `ExprFunctionCall` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprIsNull(NanoSQLParser.ExprIsNullContext ctx)`	Visit a parse tree produced by the `ExprIsNull` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprLike(NanoSQLParser.ExprLikeContext ctx)`	Visit a parse tree produced by the `ExprLike` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprLiteral(NanoSQLParser.ExprLiteralContext ctx)`	Visit a parse tree produced by the `ExprLiteral` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprMul(NanoSQLParser.ExprMulContext ctx)`	Visit a parse tree produced by the `ExprMul` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprMultiColInSubquery(NanoSQLParser.ExprMultiColInSubqueryContext ctx)`	Visit a parse tree produced by the `ExprMultiColInSubquery` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprNot(NanoSQLParser.ExprNotContext ctx)`	Visit a parse tree produced by the `ExprNot` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprOneColInSubquery(NanoSQLParser.ExprOneColInSubqueryContext ctx)`	Visit a parse tree produced by the `ExprOneColInSubquery` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprOneColInValues(NanoSQLParser.ExprOneColInValuesContext ctx)`	Visit a parse tree produced by the `ExprOneColInValues` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprOr(NanoSQLParser.ExprOrContext ctx)`	Visit a parse tree produced by the `ExprOr` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprParen(NanoSQLParser.ExprParenContext ctx)`	Visit a parse tree produced by the `ExprParen` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprScalarSubquery(NanoSQLParser.ExprScalarSubqueryContext ctx)`	Visit a parse tree produced by the `ExprScalarSubquery` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprSimilarTo(NanoSQLParser.ExprSimilarToContext ctx)`	Visit a parse tree produced by the `ExprSimilarTo` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitExprUnarySign(NanoSQLParser.ExprUnarySignContext ctx)`	Visit a parse tree produced by the `ExprUnarySign` labeled alternative in `NanoSQLParser.expression()`.
`java.lang.Object`	`visitFlushStmt(NanoSQLParser.FlushStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.flushStmt()`.
`java.lang.Object`	`visitFromCrossJoin(NanoSQLParser.FromCrossJoinContext ctx)`	Visit a parse tree produced by the `FromCrossJoin` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromImplicitCrossJoin(NanoSQLParser.FromImplicitCrossJoinContext ctx)`	Visit a parse tree produced by the `FromImplicitCrossJoin` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromJoinOn(NanoSQLParser.FromJoinOnContext ctx)`	Visit a parse tree produced by the `FromJoinOn` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromJoinUsing(NanoSQLParser.FromJoinUsingContext ctx)`	Visit a parse tree produced by the `FromJoinUsing` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromNaturalJoin(NanoSQLParser.FromNaturalJoinContext ctx)`	Visit a parse tree produced by the `FromNaturalJoin` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromNestedSelect(NanoSQLParser.FromNestedSelectContext ctx)`	Visit a parse tree produced by the `FromNestedSelect` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromParens(NanoSQLParser.FromParensContext ctx)`	Visit a parse tree produced by the `FromParens` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromTable(NanoSQLParser.FromTableContext ctx)`	Visit a parse tree produced by the `FromTable` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFromTableFunction(NanoSQLParser.FromTableFunctionContext ctx)`	Visit a parse tree produced by the `FromTableFunction` labeled alternative in `NanoSQLParser.fromExpr()`.
`java.lang.Object`	`visitFunctionCall(NanoSQLParser.FunctionCallContext ctx)`	Visit a parse tree produced by `NanoSQLParser.functionCall()`.
`java.lang.Object`	`visitInsertStmt(NanoSQLParser.InsertStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.insertStmt()`.
`java.lang.Object`	`visitJoinTypeFullOuter(NanoSQLParser.JoinTypeFullOuterContext ctx)`	Visit a parse tree produced by the `JoinTypeFullOuter` labeled alternative in `NanoSQLParser.joinType()`.
`java.lang.Object`	`visitJoinTypeInner(NanoSQLParser.JoinTypeInnerContext ctx)`	Visit a parse tree produced by the `JoinTypeInner` labeled alternative in `NanoSQLParser.joinType()`.
`java.lang.Object`	`visitJoinTypeLeftOuter(NanoSQLParser.JoinTypeLeftOuterContext ctx)`	Visit a parse tree produced by the `JoinTypeLeftOuter` labeled alternative in `NanoSQLParser.joinType()`.
`java.lang.Object`	`visitJoinTypeRightOuter(NanoSQLParser.JoinTypeRightOuterContext ctx)`	Visit a parse tree produced by the `JoinTypeRightOuter` labeled alternative in `NanoSQLParser.joinType()`.
`java.lang.Object`	`visitLiteralDecimal(NanoSQLParser.LiteralDecimalContext ctx)`	Visit a parse tree produced by the `LiteralDecimal` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralFalse(NanoSQLParser.LiteralFalseContext ctx)`	Visit a parse tree produced by the `LiteralFalse` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralInteger(NanoSQLParser.LiteralIntegerContext ctx)`	Visit a parse tree produced by the `LiteralInteger` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralInterval(NanoSQLParser.LiteralIntervalContext ctx)`	Visit a parse tree produced by the `LiteralInterval` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralNull(NanoSQLParser.LiteralNullContext ctx)`	Visit a parse tree produced by the `LiteralNull` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralString(NanoSQLParser.LiteralStringContext ctx)`	Visit a parse tree produced by the `LiteralString` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitLiteralTrue(NanoSQLParser.LiteralTrueContext ctx)`	Visit a parse tree produced by the `LiteralTrue` labeled alternative in `NanoSQLParser.literalValue()`.
`java.lang.Object`	`visitOptimizeStmt(NanoSQLParser.OptimizeStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.optimizeStmt()`.
`java.lang.Object`	`visitOrderByExpr(NanoSQLParser.OrderByExprContext ctx)`	Visit a parse tree produced by `NanoSQLParser.orderByExpr()`.
`java.lang.Object`	`visitRollbackTxnStmt(NanoSQLParser.RollbackTxnStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.rollbackTxnStmt()`.
`java.lang.Object`	`visitSelectStmt(NanoSQLParser.SelectStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.selectStmt()`.
`java.lang.Object`	`visitSelectValue(NanoSQLParser.SelectValueContext ctx)`	Visit a parse tree produced by `NanoSQLParser.selectValue()`.
`java.lang.Object`	`visitSetPropStmt(NanoSQLParser.SetPropStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.setPropStmt()`.
`java.lang.Object`	`visitShowPropsStmt(NanoSQLParser.ShowPropsStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.showPropsStmt()`.
`java.lang.Object`	`visitShowSystemStatsStmt(NanoSQLParser.ShowSystemStatsStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.showSystemStatsStmt()`.
`java.lang.Object`	`visitShowTablesStmt(NanoSQLParser.ShowTablesStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.showTablesStmt()`.
`java.lang.Object`	`visitShowTableStatsStmt(NanoSQLParser.ShowTableStatsStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.showTableStatsStmt()`.
`java.lang.Object`	`visitTableColDecl(NanoSQLParser.TableColDeclContext ctx)`	Visit a parse tree produced by `NanoSQLParser.tableColDecl()`.
`java.lang.Object`	`visitTblConstraintForeignKey(NanoSQLParser.TblConstraintForeignKeyContext ctx)`	Visit a parse tree produced by the `TblConstraintForeignKey` labeled alternative in `NanoSQLParser.tableConstraint()`.
`java.lang.Object`	`visitTblConstraintPrimaryKey(NanoSQLParser.TblConstraintPrimaryKeyContext ctx)`	Visit a parse tree produced by the `TblConstraintPrimaryKey` labeled alternative in `NanoSQLParser.tableConstraint()`.
`java.lang.Object`	`visitTblConstraintUnique(NanoSQLParser.TblConstraintUniqueContext ctx)`	Visit a parse tree produced by the `TblConstraintUnique` labeled alternative in `NanoSQLParser.tableConstraint()`.
`java.lang.Object`	`visitUpdateStmt(NanoSQLParser.UpdateStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.updateStmt()`.
`java.lang.Object`	`visitVerifyStmt(NanoSQLParser.VerifyStmtContext ctx)`	Visit a parse tree produced by `NanoSQLParser.verifyStmt()`.

Methods inherited from class edu.caltech.nanodb.sqlparse.NanoSQLBaseVisitor
visitCommandNoSemicolon

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor
aggregateResult, defaultResult, shouldVisitNextChild, visit, visitChildren, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor
visit, visitChildren, visitErrorNode, visitTerminal

- Field Detail
  - functionDirectory
```
private FunctionDirectory functionDirectory
```
    A function directory for resolving function calls.
- Constructor Detail
  - NanoSQLTranslator
```
public NanoSQLTranslator(FunctionDirectory functionDirectory)
```
  - NanoSQLTranslator
```
public NanoSQLTranslator()
```
- Method Detail
  - visitCommands
```
public java.lang.Object visitCommands(NanoSQLParser.CommandsContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.commands().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommands in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCommands in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommand
```
public java.lang.Object visitCommand(NanoSQLParser.CommandContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.command().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommand in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCommand in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBeginTxnStmt
```
public java.lang.Object visitBeginTxnStmt(NanoSQLParser.BeginTxnStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.beginTxnStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBeginTxnStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitBeginTxnStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommitTxnStmt
```
public java.lang.Object visitCommitTxnStmt(NanoSQLParser.CommitTxnStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.commitTxnStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommitTxnStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCommitTxnStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollbackTxnStmt
```
public java.lang.Object visitRollbackTxnStmt(NanoSQLParser.RollbackTxnStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.rollbackTxnStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRollbackTxnStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitRollbackTxnStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFlushStmt
```
public java.lang.Object visitFlushStmt(NanoSQLParser.FlushStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.flushStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFlushStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFlushStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExitStmt
```
public java.lang.Object visitExitStmt(NanoSQLParser.ExitStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.exitStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExitStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExitStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCrashStmt
```
public java.lang.Object visitCrashStmt(NanoSQLParser.CrashStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.crashStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCrashStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCrashStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPropsStmt
```
public java.lang.Object visitShowPropsStmt(NanoSQLParser.ShowPropsStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.showPropsStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowPropsStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitShowPropsStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetPropStmt
```
public java.lang.Object visitSetPropStmt(NanoSQLParser.SetPropStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.setPropStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetPropStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitSetPropStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowSystemStatsStmt
```
public java.lang.Object visitShowSystemStatsStmt(NanoSQLParser.ShowSystemStatsStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.showSystemStatsStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowSystemStatsStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitShowSystemStatsStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTablesStmt
```
public java.lang.Object visitShowTablesStmt(NanoSQLParser.ShowTablesStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.showTablesStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTablesStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitShowTablesStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnalyzeStmt
```
public java.lang.Object visitAnalyzeStmt(NanoSQLParser.AnalyzeStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.analyzeStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnalyzeStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitAnalyzeStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptimizeStmt
```
public java.lang.Object visitOptimizeStmt(NanoSQLParser.OptimizeStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.optimizeStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptimizeStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitOptimizeStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVerifyStmt
```
public java.lang.Object visitVerifyStmt(NanoSQLParser.VerifyStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.verifyStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVerifyStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitVerifyStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDumpTableStmt
```
public java.lang.Object visitDumpTableStmt(NanoSQLParser.DumpTableStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.dumpTableStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDumpTableStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitDumpTableStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDumpIndexStmt
```
public java.lang.Object visitDumpIndexStmt(NanoSQLParser.DumpIndexStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.dumpIndexStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDumpIndexStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitDumpIndexStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTableStatsStmt
```
public java.lang.Object visitShowTableStatsStmt(NanoSQLParser.ShowTableStatsStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.showTableStatsStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTableStatsStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitShowTableStatsStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCmdProperties
```
public java.lang.Object visitCmdProperties(NanoSQLParser.CmdPropertiesContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.cmdProperties().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCmdProperties in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCmdProperties in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTableStmt
```
public java.lang.Object visitCreateTableStmt(NanoSQLParser.CreateTableStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.createTableStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTableStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCreateTableStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableColDecl
```
public java.lang.Object visitTableColDecl(NanoSQLParser.TableColDeclContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.tableColDecl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableColDecl in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitTableColDecl in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeInt
```
public java.lang.Object visitColTypeInt(NanoSQLParser.ColTypeIntContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeInt labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeInt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeInt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeBigInt
```
public java.lang.Object visitColTypeBigInt(NanoSQLParser.ColTypeBigIntContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeBigInt labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeBigInt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeBigInt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDecimal
```
public java.lang.Object visitColTypeDecimal(NanoSQLParser.ColTypeDecimalContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeDecimal labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeDecimal in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeDecimal in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeFloat
```
public java.lang.Object visitColTypeFloat(NanoSQLParser.ColTypeFloatContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeFloat labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeFloat in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeFloat in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDouble
```
public java.lang.Object visitColTypeDouble(NanoSQLParser.ColTypeDoubleContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeDouble labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeDouble in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeDouble in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeChar
```
public java.lang.Object visitColTypeChar(NanoSQLParser.ColTypeCharContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeChar labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeChar in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeChar in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeVarChar
```
public java.lang.Object visitColTypeVarChar(NanoSQLParser.ColTypeVarCharContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeVarChar labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeVarChar in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeVarChar in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDate
```
public java.lang.Object visitColTypeDate(NanoSQLParser.ColTypeDateContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeDate labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeDate in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeDate in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeTime
```
public java.lang.Object visitColTypeTime(NanoSQLParser.ColTypeTimeContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeTime labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeTime in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeTime in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDateTime
```
public java.lang.Object visitColTypeDateTime(NanoSQLParser.ColTypeDateTimeContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeDateTime labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeDateTime in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeDateTime in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeTimestamp
```
public java.lang.Object visitColTypeTimestamp(NanoSQLParser.ColTypeTimestampContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColTypeTimestamp labeled alternative in NanoSQLParser.columnType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColTypeTimestamp in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColTypeTimestamp in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintNotNull
```
public java.lang.Object visitColConstraintNotNull(NanoSQLParser.ColConstraintNotNullContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColConstraintNotNull labeled alternative in NanoSQLParser.columnConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraintNotNull in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColConstraintNotNull in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintUnique
```
public java.lang.Object visitColConstraintUnique(NanoSQLParser.ColConstraintUniqueContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColConstraintUnique labeled alternative in NanoSQLParser.columnConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraintUnique in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColConstraintUnique in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintPrimaryKey
```
public java.lang.Object visitColConstraintPrimaryKey(NanoSQLParser.ColConstraintPrimaryKeyContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColConstraintPrimaryKey labeled alternative in NanoSQLParser.columnConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraintPrimaryKey in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColConstraintPrimaryKey in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintForeignKey
```
public java.lang.Object visitColConstraintForeignKey(NanoSQLParser.ColConstraintForeignKeyContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColConstraintForeignKey labeled alternative in NanoSQLParser.columnConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraintForeignKey in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColConstraintForeignKey in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintUnique
```
public java.lang.Object visitTblConstraintUnique(NanoSQLParser.TblConstraintUniqueContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the TblConstraintUnique labeled alternative in NanoSQLParser.tableConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTblConstraintUnique in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitTblConstraintUnique in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintPrimaryKey
```
public java.lang.Object visitTblConstraintPrimaryKey(NanoSQLParser.TblConstraintPrimaryKeyContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the TblConstraintPrimaryKey labeled alternative in NanoSQLParser.tableConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTblConstraintPrimaryKey in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitTblConstraintPrimaryKey in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintForeignKey
```
public java.lang.Object visitTblConstraintForeignKey(NanoSQLParser.TblConstraintForeignKeyContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the TblConstraintForeignKey labeled alternative in NanoSQLParser.tableConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTblConstraintForeignKey in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitTblConstraintForeignKey in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptRestrict
```
public java.lang.Object visitCascadeOptRestrict(NanoSQLParser.CascadeOptRestrictContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the CascadeOptRestrict labeled alternative in NanoSQLParser.cascadeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCascadeOptRestrict in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCascadeOptRestrict in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptCascade
```
public java.lang.Object visitCascadeOptCascade(NanoSQLParser.CascadeOptCascadeContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the CascadeOptCascade labeled alternative in NanoSQLParser.cascadeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCascadeOptCascade in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCascadeOptCascade in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptSetNull
```
public java.lang.Object visitCascadeOptSetNull(NanoSQLParser.CascadeOptSetNullContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the CascadeOptSetNull labeled alternative in NanoSQLParser.cascadeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCascadeOptSetNull in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCascadeOptSetNull in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTableStmt
```
public java.lang.Object visitDropTableStmt(NanoSQLParser.DropTableStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.dropTableStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTableStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitDropTableStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateIndexStmt
```
public java.lang.Object visitCreateIndexStmt(NanoSQLParser.CreateIndexStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.createIndexStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateIndexStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitCreateIndexStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropIndexStmt
```
public java.lang.Object visitDropIndexStmt(NanoSQLParser.DropIndexStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.dropIndexStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropIndexStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitDropIndexStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectStmt
```
public java.lang.Object visitSelectStmt(NanoSQLParser.SelectStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.selectStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitSelectStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectValue
```
public java.lang.Object visitSelectValue(NanoSQLParser.SelectValueContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.selectValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectValue in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitSelectValue in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeInner
```
public java.lang.Object visitJoinTypeInner(NanoSQLParser.JoinTypeInnerContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the JoinTypeInner labeled alternative in NanoSQLParser.joinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinTypeInner in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitJoinTypeInner in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeLeftOuter
```
public java.lang.Object visitJoinTypeLeftOuter(NanoSQLParser.JoinTypeLeftOuterContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the JoinTypeLeftOuter labeled alternative in NanoSQLParser.joinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinTypeLeftOuter in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitJoinTypeLeftOuter in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeRightOuter
```
public java.lang.Object visitJoinTypeRightOuter(NanoSQLParser.JoinTypeRightOuterContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the JoinTypeRightOuter labeled alternative in NanoSQLParser.joinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinTypeRightOuter in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitJoinTypeRightOuter in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeFullOuter
```
public java.lang.Object visitJoinTypeFullOuter(NanoSQLParser.JoinTypeFullOuterContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the JoinTypeFullOuter labeled alternative in NanoSQLParser.joinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinTypeFullOuter in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitJoinTypeFullOuter in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromCrossJoin
```
public java.lang.Object visitFromCrossJoin(NanoSQLParser.FromCrossJoinContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromCrossJoin labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromCrossJoin in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromCrossJoin in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromNaturalJoin
```
public java.lang.Object visitFromNaturalJoin(NanoSQLParser.FromNaturalJoinContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromNaturalJoin labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromNaturalJoin in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromNaturalJoin in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromJoinOn
```
public java.lang.Object visitFromJoinOn(NanoSQLParser.FromJoinOnContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromJoinOn labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromJoinOn in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromJoinOn in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromJoinUsing
```
public java.lang.Object visitFromJoinUsing(NanoSQLParser.FromJoinUsingContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromJoinUsing labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromJoinUsing in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromJoinUsing in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromImplicitCrossJoin
```
public java.lang.Object visitFromImplicitCrossJoin(NanoSQLParser.FromImplicitCrossJoinContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromImplicitCrossJoin labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromImplicitCrossJoin in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromImplicitCrossJoin in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromTable
```
public java.lang.Object visitFromTable(NanoSQLParser.FromTableContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromTable labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromTable in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromTable in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromTableFunction
```
public java.lang.Object visitFromTableFunction(NanoSQLParser.FromTableFunctionContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromTableFunction labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromTableFunction in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromTableFunction in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromNestedSelect
```
public java.lang.Object visitFromNestedSelect(NanoSQLParser.FromNestedSelectContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromNestedSelect labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromNestedSelect in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromNestedSelect in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromParens
```
public java.lang.Object visitFromParens(NanoSQLParser.FromParensContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the FromParens labeled alternative in NanoSQLParser.fromExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromParens in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFromParens in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrderByExpr
```
public java.lang.Object visitOrderByExpr(NanoSQLParser.OrderByExprContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.orderByExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOrderByExpr in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitOrderByExpr in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertStmt
```
public java.lang.Object visitInsertStmt(NanoSQLParser.InsertStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.insertStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitInsertStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUpdateStmt
```
public java.lang.Object visitUpdateStmt(NanoSQLParser.UpdateStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.updateStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUpdateStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitUpdateStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeleteStmt
```
public java.lang.Object visitDeleteStmt(NanoSQLParser.DeleteStmtContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.deleteStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDeleteStmt in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitDeleteStmt in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainSelect
```
public java.lang.Object visitExplainSelect(NanoSQLParser.ExplainSelectContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExplainSelect labeled alternative in NanoSQLParser.explainStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainSelect in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExplainSelect in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainInsert
```
public java.lang.Object visitExplainInsert(NanoSQLParser.ExplainInsertContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExplainInsert labeled alternative in NanoSQLParser.explainStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainInsert in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExplainInsert in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainUpdate
```
public java.lang.Object visitExplainUpdate(NanoSQLParser.ExplainUpdateContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExplainUpdate labeled alternative in NanoSQLParser.explainStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainUpdate in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExplainUpdate in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainDelete
```
public java.lang.Object visitExplainDelete(NanoSQLParser.ExplainDeleteContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExplainDelete labeled alternative in NanoSQLParser.explainStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainDelete in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExplainDelete in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralNull
```
public java.lang.Object visitLiteralNull(NanoSQLParser.LiteralNullContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralNull labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralNull in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralNull in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralTrue
```
public java.lang.Object visitLiteralTrue(NanoSQLParser.LiteralTrueContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralTrue labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralTrue in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralTrue in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralFalse
```
public java.lang.Object visitLiteralFalse(NanoSQLParser.LiteralFalseContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralFalse labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralFalse in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralFalse in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralInteger
```
public java.lang.Object visitLiteralInteger(NanoSQLParser.LiteralIntegerContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralInteger labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralInteger in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralInteger in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralDecimal
```
public java.lang.Object visitLiteralDecimal(NanoSQLParser.LiteralDecimalContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralDecimal labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralDecimal in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralDecimal in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralString
```
public java.lang.Object visitLiteralString(NanoSQLParser.LiteralStringContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralString labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralString in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralString in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralInterval
```
public java.lang.Object visitLiteralInterval(NanoSQLParser.LiteralIntervalContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the LiteralInterval labeled alternative in NanoSQLParser.literalValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralInterval in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitLiteralInterval in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefTable
```
public java.lang.Object visitColRefTable(NanoSQLParser.ColRefTableContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColRefTable labeled alternative in NanoSQLParser.columnRef().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColRefTable in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColRefTable in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefNoTable
```
public java.lang.Object visitColRefNoTable(NanoSQLParser.ColRefNoTableContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColRefNoTable labeled alternative in NanoSQLParser.columnRef().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColRefNoTable in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColRefNoTable in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefWildcardTable
```
public java.lang.Object visitColRefWildcardTable(NanoSQLParser.ColRefWildcardTableContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColRefWildcardTable labeled alternative in NanoSQLParser.columnRef().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColRefWildcardTable in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColRefWildcardTable in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefWildcardNoTable
```
public java.lang.Object visitColRefWildcardNoTable(NanoSQLParser.ColRefWildcardNoTableContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ColRefWildcardNoTable labeled alternative in NanoSQLParser.columnRef().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColRefWildcardNoTable in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitColRefWildcardNoTable in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionCall
```
public java.lang.Object visitFunctionCall(NanoSQLParser.FunctionCallContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.functionCall().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionCall in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitFunctionCall in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExpressionList
```
public java.lang.Object visitExpressionList(NanoSQLParser.ExpressionListContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by NanoSQLParser.expressionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExpressionList in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExpressionList in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprLiteral
```
public java.lang.Object visitExprLiteral(NanoSQLParser.ExprLiteralContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprLiteral labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprLiteral in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprLiteral in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprColumnRef
```
public java.lang.Object visitExprColumnRef(NanoSQLParser.ExprColumnRefContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprColumnRef labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprColumnRef in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprColumnRef in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprFunctionCall
```
public java.lang.Object visitExprFunctionCall(NanoSQLParser.ExprFunctionCallContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprFunctionCall labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprFunctionCall in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprFunctionCall in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprUnarySign
```
public java.lang.Object visitExprUnarySign(NanoSQLParser.ExprUnarySignContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprUnarySign labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprUnarySign in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprUnarySign in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprMul
```
public java.lang.Object visitExprMul(NanoSQLParser.ExprMulContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprMul labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprMul in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprMul in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprAdd
```
public java.lang.Object visitExprAdd(NanoSQLParser.ExprAddContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprAdd labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprAdd in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprAdd in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprCompare
```
public java.lang.Object visitExprCompare(NanoSQLParser.ExprCompareContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprCompare labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprCompare in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprCompare in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprIsNull
```
public java.lang.Object visitExprIsNull(NanoSQLParser.ExprIsNullContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprIsNull labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprIsNull in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprIsNull in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprBetween
```
public java.lang.Object visitExprBetween(NanoSQLParser.ExprBetweenContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprBetween labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprBetween in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprBetween in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprLike
```
public java.lang.Object visitExprLike(NanoSQLParser.ExprLikeContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprLike labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprLike in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprLike in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprSimilarTo
```
public java.lang.Object visitExprSimilarTo(NanoSQLParser.ExprSimilarToContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprSimilarTo labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprSimilarTo in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprSimilarTo in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOneColInValues
```
public java.lang.Object visitExprOneColInValues(NanoSQLParser.ExprOneColInValuesContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprOneColInValues labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprOneColInValues in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprOneColInValues in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOneColInSubquery
```
public java.lang.Object visitExprOneColInSubquery(NanoSQLParser.ExprOneColInSubqueryContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprOneColInSubquery labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprOneColInSubquery in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprOneColInSubquery in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprMultiColInSubquery
```
public java.lang.Object visitExprMultiColInSubquery(NanoSQLParser.ExprMultiColInSubqueryContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprMultiColInSubquery labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprMultiColInSubquery in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprMultiColInSubquery in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprExists
```
public java.lang.Object visitExprExists(NanoSQLParser.ExprExistsContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprExists labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprExists in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprExists in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprNot
```
public java.lang.Object visitExprNot(NanoSQLParser.ExprNotContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprNot labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprNot in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprNot in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprAnd
```
public java.lang.Object visitExprAnd(NanoSQLParser.ExprAndContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprAnd labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprAnd in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprAnd in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOr
```
public java.lang.Object visitExprOr(NanoSQLParser.ExprOrContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprOr labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprOr in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprOr in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprScalarSubquery
```
public java.lang.Object visitExprScalarSubquery(NanoSQLParser.ExprScalarSubqueryContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprScalarSubquery labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprScalarSubquery in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprScalarSubquery in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprParen
```
public java.lang.Object visitExprParen(NanoSQLParser.ExprParenContext ctx)
```
    Description copied from class: NanoSQLBaseVisitor
    
    Visit a parse tree produced by the ExprParen labeled alternative in NanoSQLParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprParen in interface NanoSQLVisitor<java.lang.Object>
    
    Overrides:
    
    visitExprParen in class NanoSQLBaseVisitor<java.lang.Object>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result

Constructor	Description
`NanoSQLTranslator()`
`NanoSQLTranslator(FunctionDirectory functionDirectory)`

Class NanoSQLTranslator

Field Summary

Constructor Summary

Method Summary

Methods inherited from class edu.caltech.nanodb.sqlparse.NanoSQLBaseVisitor

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor

Methods inherited from class java.lang.Object

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor

Field Detail

functionDirectory

Constructor Detail

NanoSQLTranslator

NanoSQLTranslator

Method Detail

visitCommands

visitCommand

visitBeginTxnStmt

visitCommitTxnStmt

visitRollbackTxnStmt

visitFlushStmt

visitExitStmt

visitCrashStmt

visitShowPropsStmt

visitSetPropStmt

visitShowSystemStatsStmt

visitShowTablesStmt

visitAnalyzeStmt

visitOptimizeStmt

visitVerifyStmt

visitDumpTableStmt

visitDumpIndexStmt

visitShowTableStatsStmt

visitCmdProperties

visitCreateTableStmt

visitTableColDecl

visitColTypeInt

visitColTypeBigInt

visitColTypeDecimal

visitColTypeFloat

visitColTypeDouble

visitColTypeChar

visitColTypeVarChar

visitColTypeDate

visitColTypeTime

visitColTypeDateTime

visitColTypeTimestamp

visitColConstraintNotNull

visitColConstraintUnique

visitColConstraintPrimaryKey

visitColConstraintForeignKey

visitTblConstraintUnique

visitTblConstraintPrimaryKey

visitTblConstraintForeignKey

visitCascadeOptRestrict

visitCascadeOptCascade

visitCascadeOptSetNull

visitDropTableStmt

visitCreateIndexStmt

visitDropIndexStmt

visitSelectStmt

visitSelectValue

visitJoinTypeInner

visitJoinTypeLeftOuter

visitJoinTypeRightOuter

visitJoinTypeFullOuter

visitFromCrossJoin

visitFromNaturalJoin

visitFromJoinOn

visitFromJoinUsing

visitFromImplicitCrossJoin

visitFromTable

visitFromTableFunction

visitFromNestedSelect

visitFromParens

visitOrderByExpr

visitInsertStmt

visitUpdateStmt

visitDeleteStmt

visitExplainSelect

visitExplainInsert