Uses of Class
edu.caltech.nanodb.queryast.SelectClause

Packages that use SelectClause

Package	Description
edu.caltech.nanodb.commands	This package contains the classes that represent the commands that the NanoSQL database recognizes.
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.queryast
edu.caltech.nanodb.queryeval	This package contains the query-evaluation components of the database.

Uses of SelectClause in edu.caltech.nanodb.commands

Fields in edu.caltech.nanodb.commands declared as SelectClause

Modifier and Type	Field	Description
private SelectClause	InsertCommand.selClause	When the insert command is of the form INSERT ...
private SelectClause	SelectCommand.selClause	This object contains all the details of the top-level select clause, including any subqueries, that is going to be evaluated.
private SelectClause	CreateViewCommand.selectClause

Methods in edu.caltech.nanodb.commands that return SelectClause

Modifier and Type	Method	Description
SelectClause	InsertCommand.getSelectClause()
SelectClause	SelectCommand.getSelectClause()	Returns the root select-clause for this select command.

Constructors in edu.caltech.nanodb.commands with parameters of type SelectClause

Constructor	Description
CreateViewCommand(java.lang.String viewName, SelectClause selectClause)
InsertCommand(java.lang.String tableName, java.util.List<java.lang.String> colNames, SelectClause selClause)	Constructs a new insert command for INSERT ...
SelectCommand(SelectClause selClause)

Uses of SelectClause in edu.caltech.nanodb.expressions

Fields in edu.caltech.nanodb.expressions declared as SelectClause

Modifier and Type	Field	Description
protected SelectClause	SubqueryOperator.subquery	This is the parsed representation of the subquery that the operator uses for its operation.

Methods in edu.caltech.nanodb.expressions that return SelectClause

Modifier and Type	Method	Description
SelectClause	SubqueryOperator.getSubquery()	Returns the parsed representation of the subquery that is used by this operator.

Constructors in edu.caltech.nanodb.expressions with parameters of type SelectClause

Constructor	Description
ExistsOperator(SelectClause subquery)
InSubqueryOperator(Expression expr, SelectClause subquery)
InSubqueryOperator(java.util.List<Expression> exprList, SelectClause subquery)
ScalarSubquery(SelectClause subquery)

Uses of SelectClause in edu.caltech.nanodb.queryast

Fields in edu.caltech.nanodb.queryast declared as SelectClause

Modifier and Type	Field	Description
private SelectClause	FromClause.derivedTable	If the FROM clause specifies a nested SELECT command with an alias, this field holds the nested query.
private SelectClause	SelectClause.parentSelect	The parent of this select-clause, if it is a nested subquery; null otherwise.
private SelectClause	SelectValue.scalarSubquery	If this select-value is a scalar subquery then this field references the subquery expression.
private SelectClause	SubquerySchemaComputer.selectClause	This is the parent query that may contain subqueries.

Fields in edu.caltech.nanodb.queryast with type parameters of type SelectClause

Modifier and Type	Field	Description
private java.util.HashMap<ColumnName,SelectClause>	SelectClause.correlatedWith	If this query is correlated with one or more enclosing queries, this will contain column names, and the corresponding references to the enclosing queries.

Methods in edu.caltech.nanodb.queryast that return SelectClause

Modifier and Type	Method	Description
SelectClause	SelectClause.getParentSelect()	Returns the parent of this query if it is a subquery; null otherwise.
SelectClause	SelectValue.getScalarSubquery()
SelectClause	FromClause.getSelectClause()	Returns the select clause for a derived table.
static SelectClause	QueryUtils.makeSelectStar(java.lang.String tableName)	Given a table name, this method constructs a query AST for the SQL "SELECT * FROM table".
static SelectClause	QueryUtils.makeSelectStar(java.lang.String tableName, Expression whereExpr)	Given a table name and an optional WHERE predicate, this method constructs a query AST for the SQL "SELECT * FROM table [WHERE expr]".

Methods in edu.caltech.nanodb.queryast with parameters of type SelectClause

Modifier and Type	Method	Description
Schema	SelectClause.computeSchema(TableManager tableManager, SelectClause parentSelect)	This method computes the resulting schema from this query, and in the process it performs various semantic checks as well.

Constructors in edu.caltech.nanodb.queryast with parameters of type SelectClause

Constructor	Description
FromClause(SelectClause derivedTable, java.lang.String aliasName)	Construct a new FROM clause of type FromClause.ClauseType.SELECT_SUBQUERY.
SubquerySchemaComputer(SelectClause selectClause, TableManager tableManager)

Uses of SelectClause in edu.caltech.nanodb.queryeval

Fields in edu.caltech.nanodb.queryeval with type parameters of type SelectClause

Modifier and Type	Field	Description
private java.util.HashMap<java.lang.String,SelectClause>	Definitions.viewDefinitions	A collection of view definitions from the query, specified as WITH clauses.

Methods in edu.caltech.nanodb.queryeval with parameters of type SelectClause

Modifier and Type	Method	Description
PlanNode	CostBasedJoinPlanner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.
PlanNode	Planner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.
PlanNode	SimplestPlanner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.

Method parameters in edu.caltech.nanodb.queryeval with type arguments of type SelectClause

Modifier and Type	Method	Description
PlanNode	CostBasedJoinPlanner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.
PlanNode	Planner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.
PlanNode	SimplestPlanner.makePlan(SelectClause selClause, java.util.List<SelectClause> enclosingSelects)	Returns the root of a plan tree suitable for executing the specified query.
SelectNode	CostBasedJoinPlanner.makeSimpleSelect(java.lang.String tableName, Expression predicate, java.util.List<SelectClause> enclosingSelects)	Constructs a simple select plan that reads directly from a table, with an optional predicate for selecting rows.
SelectNode	Planner.makeSimpleSelect(java.lang.String tableName, Expression predicate, java.util.List<SelectClause> enclosingSelects)	Returns a plan tree for executing a simple select against a single table, whose tuples can also be used for updating and deletion.
SelectNode	SimplestPlanner.makeSimpleSelect(java.lang.String tableName, Expression predicate, java.util.List<SelectClause> enclosingSelects)	Constructs a simple select plan that reads directly from a table, with an optional predicate for selecting rows.