com.foundationdb.sql.parser

Class FromSubquery

java.lang.Object

com.foundationdb.sql.parser.QueryTreeNode

com.foundationdb.sql.parser.ResultSetNode

com.foundationdb.sql.parser.FromTable

com.foundationdb.sql.parser.FromSubquery

All Implemented Interfaces:

Visitable

public class FromSubquery
extends FromTable

A FromSubquery represents a subquery in the FROM list of a DML statement. The current implementation of this class is only sufficient for Insert's need to push a new select on top of the one the user specified, to make the selected structure match that of the insert target table.

Field Summary

Fields inherited from class com.foundationdb.sql.parser.FromTable

correlationName, origTableName, tableProperties

Fields inherited from class com.foundationdb.sql.parser.QueryTreeNode

AUTOINCREMENT_CREATE_MODIFY, AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX

Constructor Summary

Constructors

Constructor and Description
FromSubquery()

Method Summary

Methods

Modifier and Type	Method and Description
void	copyFrom(QueryTreeNode node) Fill this node with a deep copy of the given node.
String	getExposedName() Get the exposed name for this table, which is the name that can be used to refer to it in the rest of the query.
ValueNode	getFetchFirst()
ValueNode	getOffset()
OrderByList	getOrderByList()
ResultSetNode	getSubquery() Return the "subquery" from this node.
void	init(Object subquery, Object orderByList, Object offset, Object fetchFirst, Object correlationName, Object derivedRCL, Object tableProperties) Intializer for a table in a FROM list.
void	printSubNodes(int depth) Prints the sub-nodes of this object.

Methods inherited from class com.foundationdb.sql.parser.FromTable

getCorrelationName, getOrigTableName, getTableName, init, setCorrelationName, setOrigTableName, toString

Methods inherited from class com.foundationdb.sql.parser.ResultSetNode

getResultColumns, setInsertSource, setResultColumns

Methods inherited from class com.foundationdb.sql.parser.QueryTreeNode

accept, convertDefaultNode, debugFlush, debugPrint, formatNodeString, getBeginOffset, getDebugOutput, getEndOffset, getNodeFactory, getNodeType, getNullNode, getParserContext, getStatementType, getUserData, init, init, init, init, init, init, init, init, init, init, init, init, isInstanceOf, makeTableName, makeTableName, nodeHeader, printLabel, setBeginOffset, setDebugOutput, setEndOffset, setNodeType, setParserContext, setUserData, stackPrint, treePrint, treePrint, treePrint

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FromSubquery

public FromSubquery()

Method Detail

init

public void init(Object subquery,
        Object orderByList,
        Object offset,
        Object fetchFirst,
        Object correlationName,
        Object derivedRCL,
        Object tableProperties)

Intializer for a table in a FROM list.

Overrides:

init in class QueryTreeNode

Parameters:

subquery - The subquery

orderByList - ORDER BY list if any, or null

offset - OFFSET if any, or null

fetchFirst - FETCH FIRST if any, or null

correlationName - The correlation name

derivedRCL - The derived column list

tableProperties - Properties list associated with the table

copyFrom

public void copyFrom(QueryTreeNode node)
              throws StandardException

Fill this node with a deep copy of the given node.

Overrides:

copyFrom in class FromTable

Throws:

StandardException

printSubNodes

public void printSubNodes(int depth)

Prints the sub-nodes of this object. See QueryTreeNode.java for how tree printing is supposed to work.

Overrides:

printSubNodes in class ResultSetNode

Parameters:

depth - The depth of this node in the tree

getSubquery

public ResultSetNode getSubquery()

Return the "subquery" from this node.

Returns:

ResultSetNode The "subquery" from this node.

getExposedName

public String getExposedName()

Get the exposed name for this table, which is the name that can be used to refer to it in the rest of the query.

Overrides:

getExposedName in class FromTable

Returns:

The exposed name for this table.

getOrderByList

public OrderByList getOrderByList()

getOffset

public ValueNode getOffset()

getFetchFirst

public ValueNode getFetchFirst()