org.apache.ignite.internal.processors.query.h2.sql

Class GridSqlUnion

java.lang.Object

org.apache.ignite.internal.processors.query.h2.sql.GridSqlStatement

org.apache.ignite.internal.processors.query.h2.sql.GridSqlQuery

org.apache.ignite.internal.processors.query.h2.sql.GridSqlUnion

All Implemented Interfaces:

GridSqlAst

public class GridSqlUnion
extends GridSqlQuery

Select query with UNION.

Field Summary

Fields

Modifier and Type	Field and Description
static int	LEFT_CHILD
static int	RIGHT_CHILD

Fields inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlQuery

LIMIT_CHILD, OFFSET_CHILD, sort

Fields inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlStatement

limit

Constructor Summary

Constructors

Constructor and Description
GridSqlUnion()

Method Summary

Modifier and Type	Method and Description
<E extends GridSqlAst> E	child(int childIdx) Get child by index.
<E extends GridSqlAst> void	child(int childIdx, E child) Set child.
protected GridSqlElement	column(int col)
String	getSQL()
GridSqlQuery	left()
void	left(GridSqlQuery left)
GridSqlQuery	right()
void	right(GridSqlQuery right)
int	size()
boolean	skipMergeTable()
org.gridgain.internal.h2.command.dml.SelectUnion.UnionType	unionType()
void	unionType(org.gridgain.internal.h2.command.dml.SelectUnion.UnionType unionType)
protected int	visibleColumns()

Methods inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlQuery

addSort, child, clearSort, getSortLimitSQL, hasOffsetLimit, maskNull, offset, offset, resultType, sort

Methods inherited from class org.apache.ignite.internal.processors.query.h2.sql.GridSqlStatement

explain, explain, limit, limit, toString

Methods inherited from class java.lang.Object

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

Field Detail

LEFT_CHILD

public static final int LEFT_CHILD

See Also:

Constant Field Values

RIGHT_CHILD

public static final int RIGHT_CHILD

See Also:

Constant Field Values

Constructor Detail

GridSqlUnion

public GridSqlUnion()

Method Detail

child

public <E extends GridSqlAst> E child(int childIdx)

Get child by index.

Specified by:

child in interface GridSqlAst

Overrides:

child in class GridSqlQuery

Parameters:

childIdx - Index of the requested child.

Returns:

Child element.

child

public <E extends GridSqlAst> void child(int childIdx,
                                         E child)

Set child.

Specified by:

child in interface GridSqlAst

Overrides:

child in class GridSqlQuery

Parameters:

childIdx - Index of the requested child.

child - Child element.

size

public int size()

Returns:

Number of child nodes.

visibleColumns

protected int visibleColumns()

Specified by:

visibleColumns in class GridSqlQuery

Returns:

Number of visible columns.

column

protected GridSqlElement column(int col)

Specified by:

column in class GridSqlQuery

Parameters:

col - Column index.

Returns:

Expression for column index.

getSQL

public String getSQL()

Specified by:

getSQL in interface GridSqlAst

Specified by:

getSQL in class GridSqlStatement

Returns:

Generate sql.

skipMergeTable

public boolean skipMergeTable()

Specified by:

skipMergeTable in class GridSqlQuery

Returns:

If this is a simple query with no conditions, expressions, sorting, etc...

unionType

public org.gridgain.internal.h2.command.dml.SelectUnion.UnionType unionType()

Returns:

Union type.

unionType

public void unionType(org.gridgain.internal.h2.command.dml.SelectUnion.UnionType unionType)

Parameters:

unionType - New union type.

right

public GridSqlQuery right()

Returns:

Right.

right

public void right(GridSqlQuery right)

Parameters:

right - New right.

left

public GridSqlQuery left()

Returns:

Left.

left

public void left(GridSqlQuery left)

Parameters:

left - New left.