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

Type Parameters:

T - The return type of the visit operation. Use Void for operations with no return type.

All Implemented Interfaces:

NanoSQLVisitor<T>, org.antlr.v4.runtime.tree.ParseTreeVisitor<T>

Direct Known Subclasses:

NanoSQLTranslator
```
public class NanoSQLBaseVisitor<T>
extends org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
implements NanoSQLVisitor<T>
```
This class provides an empty implementation of NanoSQLVisitor, which can be extended to create a visitor which only needs to handle a subset of the available methods.

Constructor Summary

Constructors
Constructor Description

NanoSQLBaseVisitor()

Method Summary

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

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

- Constructor Detail
  - NanoSQLBaseVisitor
```
public NanoSQLBaseVisitor()
```
- Method Detail
  - visitCommands
```
public T visitCommands(NanoSQLParser.CommandsContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommand
```
public T visitCommand(NanoSQLParser.CommandContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommandNoSemicolon
```
public T visitCommandNoSemicolon(NanoSQLParser.CommandNoSemicolonContext ctx)
```
    Visit a parse tree produced by NanoSQLParser.commandNoSemicolon().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommandNoSemicolon in interface NanoSQLVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTableStmt
```
public T visitCreateTableStmt(NanoSQLParser.CreateTableStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableColDecl
```
public T visitTableColDecl(NanoSQLParser.TableColDeclContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeInt
```
public T visitColTypeInt(NanoSQLParser.ColTypeIntContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeBigInt
```
public T visitColTypeBigInt(NanoSQLParser.ColTypeBigIntContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDecimal
```
public T visitColTypeDecimal(NanoSQLParser.ColTypeDecimalContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeFloat
```
public T visitColTypeFloat(NanoSQLParser.ColTypeFloatContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDouble
```
public T visitColTypeDouble(NanoSQLParser.ColTypeDoubleContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeChar
```
public T visitColTypeChar(NanoSQLParser.ColTypeCharContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeVarChar
```
public T visitColTypeVarChar(NanoSQLParser.ColTypeVarCharContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDate
```
public T visitColTypeDate(NanoSQLParser.ColTypeDateContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeDateTime
```
public T visitColTypeDateTime(NanoSQLParser.ColTypeDateTimeContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeTime
```
public T visitColTypeTime(NanoSQLParser.ColTypeTimeContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColTypeTimestamp
```
public T visitColTypeTimestamp(NanoSQLParser.ColTypeTimestampContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintNotNull
```
public T visitColConstraintNotNull(NanoSQLParser.ColConstraintNotNullContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintUnique
```
public T visitColConstraintUnique(NanoSQLParser.ColConstraintUniqueContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintPrimaryKey
```
public T visitColConstraintPrimaryKey(NanoSQLParser.ColConstraintPrimaryKeyContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintForeignKey
```
public T visitColConstraintForeignKey(NanoSQLParser.ColConstraintForeignKeyContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintUnique
```
public T visitTblConstraintUnique(NanoSQLParser.TblConstraintUniqueContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintPrimaryKey
```
public T visitTblConstraintPrimaryKey(NanoSQLParser.TblConstraintPrimaryKeyContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTblConstraintForeignKey
```
public T visitTblConstraintForeignKey(NanoSQLParser.TblConstraintForeignKeyContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptRestrict
```
public T visitCascadeOptRestrict(NanoSQLParser.CascadeOptRestrictContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptCascade
```
public T visitCascadeOptCascade(NanoSQLParser.CascadeOptCascadeContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCascadeOptSetNull
```
public T visitCascadeOptSetNull(NanoSQLParser.CascadeOptSetNullContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTableStmt
```
public T visitDropTableStmt(NanoSQLParser.DropTableStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateIndexStmt
```
public T visitCreateIndexStmt(NanoSQLParser.CreateIndexStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropIndexStmt
```
public T visitDropIndexStmt(NanoSQLParser.DropIndexStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTablesStmt
```
public T visitShowTablesStmt(NanoSQLParser.ShowTablesStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnalyzeStmt
```
public T visitAnalyzeStmt(NanoSQLParser.AnalyzeStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptimizeStmt
```
public T visitOptimizeStmt(NanoSQLParser.OptimizeStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVerifyStmt
```
public T visitVerifyStmt(NanoSQLParser.VerifyStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDumpTableStmt
```
public T visitDumpTableStmt(NanoSQLParser.DumpTableStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDumpIndexStmt
```
public T visitDumpIndexStmt(NanoSQLParser.DumpIndexStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTableStatsStmt
```
public T visitShowTableStatsStmt(NanoSQLParser.ShowTableStatsStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBeginTxnStmt
```
public T visitBeginTxnStmt(NanoSQLParser.BeginTxnStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommitTxnStmt
```
public T visitCommitTxnStmt(NanoSQLParser.CommitTxnStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollbackTxnStmt
```
public T visitRollbackTxnStmt(NanoSQLParser.RollbackTxnStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPropsStmt
```
public T visitShowPropsStmt(NanoSQLParser.ShowPropsStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetPropStmt
```
public T visitSetPropStmt(NanoSQLParser.SetPropStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowSystemStatsStmt
```
public T visitShowSystemStatsStmt(NanoSQLParser.ShowSystemStatsStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFlushStmt
```
public T visitFlushStmt(NanoSQLParser.FlushStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCrashStmt
```
public T visitCrashStmt(NanoSQLParser.CrashStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExitStmt
```
public T visitExitStmt(NanoSQLParser.ExitStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectStmt
```
public T visitSelectStmt(NanoSQLParser.SelectStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectValue
```
public T visitSelectValue(NanoSQLParser.SelectValueContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeInner
```
public T visitJoinTypeInner(NanoSQLParser.JoinTypeInnerContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeLeftOuter
```
public T visitJoinTypeLeftOuter(NanoSQLParser.JoinTypeLeftOuterContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeRightOuter
```
public T visitJoinTypeRightOuter(NanoSQLParser.JoinTypeRightOuterContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinTypeFullOuter
```
public T visitJoinTypeFullOuter(NanoSQLParser.JoinTypeFullOuterContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromImplicitCrossJoin
```
public T visitFromImplicitCrossJoin(NanoSQLParser.FromImplicitCrossJoinContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromTableFunction
```
public T visitFromTableFunction(NanoSQLParser.FromTableFunctionContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromCrossJoin
```
public T visitFromCrossJoin(NanoSQLParser.FromCrossJoinContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromTable
```
public T visitFromTable(NanoSQLParser.FromTableContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromParens
```
public T visitFromParens(NanoSQLParser.FromParensContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromNestedSelect
```
public T visitFromNestedSelect(NanoSQLParser.FromNestedSelectContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromNaturalJoin
```
public T visitFromNaturalJoin(NanoSQLParser.FromNaturalJoinContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromJoinOn
```
public T visitFromJoinOn(NanoSQLParser.FromJoinOnContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromJoinUsing
```
public T visitFromJoinUsing(NanoSQLParser.FromJoinUsingContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrderByExpr
```
public T visitOrderByExpr(NanoSQLParser.OrderByExprContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertStmt
```
public T visitInsertStmt(NanoSQLParser.InsertStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUpdateStmt
```
public T visitUpdateStmt(NanoSQLParser.UpdateStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeleteStmt
```
public T visitDeleteStmt(NanoSQLParser.DeleteStmtContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainSelect
```
public T visitExplainSelect(NanoSQLParser.ExplainSelectContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainInsert
```
public T visitExplainInsert(NanoSQLParser.ExplainInsertContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainUpdate
```
public T visitExplainUpdate(NanoSQLParser.ExplainUpdateContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainDelete
```
public T visitExplainDelete(NanoSQLParser.ExplainDeleteContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCmdProperties
```
public T visitCmdProperties(NanoSQLParser.CmdPropertiesContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprScalarSubquery
```
public T visitExprScalarSubquery(NanoSQLParser.ExprScalarSubqueryContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprParen
```
public T visitExprParen(NanoSQLParser.ExprParenContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprExists
```
public T visitExprExists(NanoSQLParser.ExprExistsContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprBetween
```
public T visitExprBetween(NanoSQLParser.ExprBetweenContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprSimilarTo
```
public T visitExprSimilarTo(NanoSQLParser.ExprSimilarToContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprLike
```
public T visitExprLike(NanoSQLParser.ExprLikeContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprNot
```
public T visitExprNot(NanoSQLParser.ExprNotContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprMultiColInSubquery
```
public T visitExprMultiColInSubquery(NanoSQLParser.ExprMultiColInSubqueryContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprAnd
```
public T visitExprAnd(NanoSQLParser.ExprAndContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprFunctionCall
```
public T visitExprFunctionCall(NanoSQLParser.ExprFunctionCallContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprIsNull
```
public T visitExprIsNull(NanoSQLParser.ExprIsNullContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOr
```
public T visitExprOr(NanoSQLParser.ExprOrContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOneColInSubquery
```
public T visitExprOneColInSubquery(NanoSQLParser.ExprOneColInSubqueryContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprColumnRef
```
public T visitExprColumnRef(NanoSQLParser.ExprColumnRefContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprCompare
```
public T visitExprCompare(NanoSQLParser.ExprCompareContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprLiteral
```
public T visitExprLiteral(NanoSQLParser.ExprLiteralContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprOneColInValues
```
public T visitExprOneColInValues(NanoSQLParser.ExprOneColInValuesContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprMul
```
public T visitExprMul(NanoSQLParser.ExprMulContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprAdd
```
public T visitExprAdd(NanoSQLParser.ExprAddContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprUnarySign
```
public T visitExprUnarySign(NanoSQLParser.ExprUnarySignContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralNull
```
public T visitLiteralNull(NanoSQLParser.LiteralNullContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralTrue
```
public T visitLiteralTrue(NanoSQLParser.LiteralTrueContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralFalse
```
public T visitLiteralFalse(NanoSQLParser.LiteralFalseContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralInteger
```
public T visitLiteralInteger(NanoSQLParser.LiteralIntegerContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralDecimal
```
public T visitLiteralDecimal(NanoSQLParser.LiteralDecimalContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralString
```
public T visitLiteralString(NanoSQLParser.LiteralStringContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralInterval
```
public T visitLiteralInterval(NanoSQLParser.LiteralIntervalContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefTable
```
public T visitColRefTable(NanoSQLParser.ColRefTableContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefNoTable
```
public T visitColRefNoTable(NanoSQLParser.ColRefNoTableContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefWildcardTable
```
public T visitColRefWildcardTable(NanoSQLParser.ColRefWildcardTableContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColRefWildcardNoTable
```
public T visitColRefWildcardNoTable(NanoSQLParser.ColRefWildcardNoTableContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExpressionList
```
public T visitExpressionList(NanoSQLParser.ExpressionListContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionCall
```
public T visitFunctionCall(NanoSQLParser.FunctionCallContext ctx)
```
    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<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result

Class NanoSQLBaseVisitor<T>

Constructor Summary

Method Summary

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

Constructor Detail

NanoSQLBaseVisitor

Method Detail

visitCommands

visitCommand

visitCommandNoSemicolon

visitCreateTableStmt

visitTableColDecl

visitColTypeInt

visitColTypeBigInt

visitColTypeDecimal

visitColTypeFloat

visitColTypeDouble

visitColTypeChar

visitColTypeVarChar

visitColTypeDate

visitColTypeDateTime

visitColTypeTime

visitColTypeTimestamp

visitColConstraintNotNull

visitColConstraintUnique

visitColConstraintPrimaryKey

visitColConstraintForeignKey

visitTblConstraintUnique

visitTblConstraintPrimaryKey

visitTblConstraintForeignKey

visitCascadeOptRestrict

visitCascadeOptCascade

visitCascadeOptSetNull

visitDropTableStmt

visitCreateIndexStmt

visitDropIndexStmt

visitShowTablesStmt

visitAnalyzeStmt

visitOptimizeStmt

visitVerifyStmt

visitDumpTableStmt

visitDumpIndexStmt

visitShowTableStatsStmt

visitBeginTxnStmt

visitCommitTxnStmt

visitRollbackTxnStmt

visitShowPropsStmt

visitSetPropStmt

visitShowSystemStatsStmt

visitFlushStmt

visitCrashStmt

visitExitStmt

visitSelectStmt

visitSelectValue

visitJoinTypeInner

visitJoinTypeLeftOuter

visitJoinTypeRightOuter

visitJoinTypeFullOuter

visitFromImplicitCrossJoin

visitFromTableFunction

visitFromCrossJoin

visitFromTable

visitFromParens

visitFromNestedSelect

visitFromNaturalJoin

visitFromJoinOn

visitFromJoinUsing

visitOrderByExpr

visitInsertStmt

visitUpdateStmt

visitDeleteStmt

visitExplainSelect

visitExplainInsert

visitExplainUpdate

visitExplainDelete

visitCmdProperties

visitExprScalarSubquery

visitExprParen