LogicalUnion.UnionSelect (OpenJPA Parent POM 3.2.2 API)

java.lang.Object
- org.apache.openjpa.jdbc.sql.LogicalUnion.UnionSelect

All Implemented Interfaces:

Select, SelectExecutor

Enclosing class:

LogicalUnion
```
public class LogicalUnion.UnionSelect
extends Object
implements Select
```
A select that is part of a logical union.

Field Summary

Fields
Modifier and Type Field and Description

protected List orderIdxs

protected int orders

protected int pos

protected SelectImpl sel
- Fields inherited from interface org.apache.openjpa.jdbc.sql.Select
  EAGER_INNER, EAGER_OUTER, EAGER_PARALLEL, FROM_SELECT_ALIAS, SUBS_ANY_JOINABLE, SUBS_EXACT, SUBS_JOINABLE, SUBS_NONE, TYPE_JOINLESS, TYPE_TWO_PART

Fields
Modifier and Type	Field and Description
`protected List`	`orderIdxs`
`protected int`	`orders`
`protected int`	`pos`
`protected SelectImpl`	`sel`

Constructor Summary

Constructors
Constructor and Description

UnionSelect(SelectImpl sel, int pos)

Constructors
Constructor and Description
`UnionSelect(SelectImpl sel, int pos)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addJoinClassConditions()` Apply class conditions from relation joins.
`Joins`	`and(Joins joins1, Joins joins2)` AND the given joins together.
`void`	`append(SQLBuffer buf, Joins joins)` Append the given joins to the given buffer.
`void`	`clearOrdering()` Clear odering conditions.
`void`	`clearSelects()` Clear the existing column selects.
`Context`	`ctx()` Return the JPQL query context of this select
`SelectExecutor`	`eagerClone(FieldMapping key, int eagerType, boolean toMany, int sels)` Return a select that will be eagerly executed with this one, or null if the select cannot be created for the given key and join type.
`Result`	`execute(JDBCStore store, JDBCFetchConfiguration fetch)` Execute this select in the context of the given store manager.
`Result`	`execute(JDBCStore store, JDBCFetchConfiguration fetch, int lockLevel)` Execute this select in the context of the given store manager.
`SelectExecutor`	`fullClone(int sels)` Return a SELECT that is a complete clone of this one.
`boolean`	`getAutoDistinct()` Whether to automatically make results distinct when relational joins would otherwise introduce duplicates.
`String`	`getColumnAlias(Column col)` Return the alias for the given column.
`String`	`getColumnAlias(Column col, Joins joins)` Return the alias for the given column.
`String`	`getColumnAlias(Column col, Object alias)` Return the alias for the given column, without creating new table alias
`String`	`getColumnAlias(String col, Table table)` Return the alias for the given column.
`String`	`getColumnAlias(String col, Table table, Joins joins)` Return the alias for the given column.
`JDBCConfiguration`	`getConfiguration()` Return the select configuration.
`int`	`getCount(JDBCStore store)` Return the number of instances matching this select.
`SelectImpl`	`getDelegate()` Delegate select.
`DBDictionary`	`getDictionary()`
`SelectExecutor`	`getEager(FieldMapping key)` Return the eager select for the given key.
`long`	`getEndIndex()` The result end index.
`List`	`getExcludedJoinedTableClassMeta()` get joined table metadatas excluded for polymorphic queries
`int`	`getExpectedResultCount()` The expected result count for the query.
`Select`	`getFromSelect()` Another select instance that creates a temporary table from which this select pulls data.
`SQLBuffer`	`getGrouping()` Return the grouping SQL for this select.
`boolean`	`getHasSubselect()` Return the flag to indicate whether this Select has internally generated subselect
`SQLBuffer`	`getHaving()` Return the HAVING clause, or null if none.
`List`	`getIdentifierAliases()` Get the aliases for identifier columns that can be used in COUNT selects to find the number of matches.
`List`	`getJoinedTableClassMeta()` get joined table metadatas for polymorphic queries
`Iterator`	`getJoinIterator()` Return the top-level `Join` elements for this select.
`Joins`	`getJoins()` Return the top-level joins for this select.
`int`	`getJoinSyntax()` The join syntax for this select, as one of the syntax constants from `JoinSyntaxes`.
`SQLBuffer`	`getOrdering()` Return the ordering SQL for this select.
`Select`	`getParent()` Return the parent of this select, if it is a subselect.
`List`	`getSelectAliases()` Return the aliases of all selected columns and all selected buffers, in the order they were selected.
`List`	`getSelectedOrderIndexes()` Return the indexes of the data in the select clause this query is ordered by.
`List`	`getSelects()` Return the actual `Val`s and `Column`s that were selected, in the order that they were selected.
`SQLBuffer`	`getSQL()` Get the buffer if it has been computed by a previous call to `SelectExecutor.toSelect(boolean, JDBCFetchConfiguration)`, if any.
`long`	`getStartIndex()` The result start index.
`String`	`getSubselectPath()` Return the subselect path for this select, if it is a subselect.
`List`	`getSubselects()` Return this select's subselects, or empty collection if none.
`Collection`	`getTableAliases()` Return the set of all used table aliases.
`ClassMapping`	`getTablePerClassMeta()` get table-per-class metadata for polymorphic queries
`SQLBuffer`	`getWhere()` Return the WHERE clause, minus any necessary end joins.
`void`	`groupBy(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch)` Group by the columns of the given mapping, possibly including subclasses.
`void`	`groupBy(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch, Joins joins)` Group by the columns of the given mapping, possibly including subclasses.
`void`	`groupBy(Column col)` Group by the given column.
`void`	`groupBy(Column[] cols)` Group by the given columns.
`void`	`groupBy(Column[] cols, Joins joins)` Group by the given columns.
`void`	`groupBy(Column col, Joins joins)` Group by the given column.
`void`	`groupBy(SQLBuffer sql)` Add a GROUP BY clause.
`void`	`groupBy(SQLBuffer sql, Joins joins)` Add a GROUP BY clause.
`void`	`groupBy(String sql)` Add a GROUP BY clause.
`void`	`groupBy(String sql, Joins joins)` Add a GROUP BY clause.
`boolean`	`hasEagerJoin(boolean toMany)` Whether this select has an eager join of the specified type.
`boolean`	`hasJoin(boolean toMany)` Whether this select has a join of the specified type.
`boolean`	`hasMultipleSelects()` Affirm if this receiver requires more than one selects to fetch its data.
`void`	`having(SQLBuffer sql)` Add the given having conditions.
`void`	`having(SQLBuffer sql, Joins joins)` Add the given having conditions.
`void`	`having(String sql)` Add the given having conditions.
`void`	`having(String sql, Joins joins)` Add the given having conditions.
`int`	`indexOf()` The index of this select within the UNION, or 0.
`boolean`	`isAggregate()` Return true if this is an aggregate select.
`boolean`	`isDistinct()` Whether this is a SELECT DISTINCT / UNION ALL.
`boolean`	`isLob()` Return true if this select includes a LOB.
`boolean`	`isLRS()` Whether the result of this select should be treated as a large result set.
`boolean`	`isSelected(Table table)` Return whether the given table is being used in this select.
`void`	`logEagerRelations()` Extended trace that logs eager relations
`Joins`	`newJoins()` Return a new instance to use for joining.
`Joins`	`newOuterJoins()` Return a new instance to use for outer joining.
`Joins`	`or(Joins joins1, Joins joins2)` OR the given joins together.
`int`	`orderBy(Column[] cols, boolean asc, boolean select)` Order by the given columns.
`int`	`orderBy(Column[] cols, boolean asc, Joins joins, boolean select)` Order by the given columns.
`boolean`	`orderBy(Column col, boolean asc, boolean select)` Order by the given column.
`boolean`	`orderBy(Column col, boolean asc, Joins joins, boolean select)` Order by the given column.
`boolean`	`orderBy(SQLBuffer sql, boolean asc, boolean select, Value selAs)` Add an ORDER BY clause.
`boolean`	`orderBy(SQLBuffer sql, boolean asc, Joins joins, boolean select, Value selAs)` Add an ORDER BY clause.
`boolean`	`orderBy(String sql, boolean asc, boolean select)` Add an ORDER BY clause.
`boolean`	`orderBy(String sql, boolean asc, Joins joins, boolean select)` Add an ORDER BY clause.
`int`	`orderByPrimaryKey(ClassMapping mapping, boolean asc, boolean select)` Order on the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
`int`	`orderByPrimaryKey(ClassMapping mapping, boolean asc, Joins joins, boolean select)` Select and order on the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
`Joins`	`outer(Joins joins)` Return a join set making the given joins outer joins.
`protected void`	`recordOrder(Object ord, boolean asc)` Record that we're ordering by a SQL expression.
`protected void`	`recordOrderColumns(Column[] cols, boolean asc)` Record that we're ordering by the given columns.
`void`	`select(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch, int eager)` Select the columns of the given mapping, possibly including subclasses.
`void`	`select(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch, int eager, Joins joins)` Select the columns of the given mapping, possibly including subclasses.
`boolean`	`select(Column col)` Select the given column.
`int`	`select(Column[] cols)` Select the given columns.
`int`	`select(Column[] cols, Joins joins)` Select the given columns.
`boolean`	`select(Column col, Joins joins)` Select the given column.
`boolean`	`select(SQLBuffer sql, Object id)` Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a `Result`.
`boolean`	`select(SQLBuffer sql, Object id, Joins joins)` Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a `Result`.
`boolean`	`select(String sql, Object id)` Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a `Result`.
`boolean`	`select(String sql, Object id, Joins joins)` Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a `Result`.
`void`	`selectIdentifier(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch, int eager)` Select the columns of the given mapping, possibly including subclasses.
`void`	`selectIdentifier(ClassMapping mapping, int subclasses, JDBCStore store, JDBCFetchConfiguration fetch, int eager, Joins joins)` Select the columns of the given mapping, possibly including subclasses.
`boolean`	`selectIdentifier(Column col)` Select the given column as one that can be used to get a count of distinct matches.
`int`	`selectIdentifier(Column[] cols)` Select the given columns as ones that can be used to get a count of distinct matches.
`int`	`selectIdentifier(Column[] cols, Joins joins)` Select the given columns as ones that can be used to get a count of distinct matches.
`boolean`	`selectIdentifier(Column col, Joins joins)` Select the given column as one that can be used to get a count of distinct matches.
`void`	`selectPlaceholder(String sql)` Select the given SQL as a placeholder for a UNION element.
`int`	`selectPrimaryKey(ClassMapping mapping)` Select the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
`int`	`selectPrimaryKey(ClassMapping mapping, Joins joins)` Select the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
`void`	`setAggregate(boolean agg)` Set to true for aggregate selects.
`void`	`setAutoDistinct(boolean distinct)` Whether to automatically make results distinct when relational joins would otherwise introduce duplicates.
`void`	`setContext(Context context)` Set JPQL query context for this select
`void`	`setDistinct(boolean distinct)` Whether this is a SELECT DISTINCT / UNION ALL.
`void`	`setExcludedJoinedTableClassMeta(List meta)` Set joined table metadatas excluded for polymorphic queries
`void`	`setExpectedResultCount(int expectedResultCount, boolean force)` The expected result count for the query.
`void`	`setFromSelect(Select sel)` Another select instance that creates a temporary table from which this select pulls data.
`void`	`setHasSubselect(boolean hasSub)` Set the flag to indicate whether this Select has internally generated subselect
`void`	`setJoinedTableClassMeta(List meta)` Set joined table metadatas for polymorphic queries
`void`	`setJoinSyntax(int joinSyntax)` The join syntax for this select, as one of the syntax constants from `JoinSyntaxes`.
`void`	`setLob(boolean lob)` Set to true for selects that include LOB columns.
`void`	`setLRS(boolean lrs)` Whether the result of this select should be treated as a large result set.
`void`	`setParent(Select parent, String path)` Turn this select into a subselect of the given instance.
`void`	`setRange(long start, long end)` Set the result range for this select.
`void`	`setSchemaAlias(String schemaAlias)` Record the initial schemaAlias of a join path
`void`	`setTablePerClassMeta(ClassMapping meta)` Set table-per-class metadata for polymorphic queries
`boolean`	`supportsLocking()` Whether this select can be executed for update.
`boolean`	`supportsRandomAccess(boolean forUpdate)` Return whether this select can support a random access result set type.
`SQLBuffer`	`toSelect(boolean forUpdate, JDBCFetchConfiguration fetch)` Return this select as a SQL statement formatted for the current dictionary.
`SQLBuffer`	`toSelectCount()` Return this select as a COUNT SQL statement formatted for the current dictionary.
`String`	`toString()` Implement toString to generate SQL string for profiling/debuggging.
`void`	`where(Joins joins)` Add the given where conditions.
`void`	`where(SQLBuffer sql)` Add the given where conditions.
`void`	`where(SQLBuffer sql, Joins joins)` Add the given where conditions.
`void`	`where(String sql)` Add the given where conditions.
`void`	`where(String sql, Joins joins)` Add the given where conditions.
`SelectExecutor`	`whereClone(int sels)` Return a SELECT with the same joins and where conditions as this one.
`void`	`whereForeignKey(ForeignKey fk, Object oid, ClassMapping mapping, JDBCStore store)` Add where conditions setting the given foreign key to the given oid values.
`void`	`wherePrimaryKey(Object oid, ClassMapping mapping, JDBCStore store)` Add where conditions setting the mapping's primary key to the given oid values.

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

- Field Detail
  - sel
```
protected final SelectImpl sel
```
  - pos
```
protected final int pos
```
  - orders
```
protected int orders
```
  - orderIdxs
```
protected List orderIdxs
```
- Constructor Detail
  - UnionSelect
```
public UnionSelect(SelectImpl sel,
                   int pos)
```
- Method Detail
  - getDelegate
```
public SelectImpl getDelegate()
```
    Delegate select.
  - getSelectedOrderIndexes
```
public List getSelectedOrderIndexes()
```
    Return the indexes of the data in the select clause this query is ordered by.
  - getConfiguration
```
public JDBCConfiguration getConfiguration()
```
    Description copied from interface: SelectExecutor
    
    Return the select configuration.
    
    Specified by:
    
    getConfiguration in interface SelectExecutor
  - indexOf
```
public int indexOf()
```
    Description copied from interface: Select
    
    The index of this select within the UNION, or 0.
    
    Specified by:
    
    indexOf in interface Select
  - toSelect
```
public SQLBuffer toSelect(boolean forUpdate,
                          JDBCFetchConfiguration fetch)
```
    Description copied from interface: SelectExecutor
    
    Return this select as a SQL statement formatted for the current dictionary.
    
    Specified by:
    
    toSelect in interface SelectExecutor
  - getSQL
```
public SQLBuffer getSQL()
```
    Description copied from interface: SelectExecutor
    
    Get the buffer if it has been computed by a previous call to SelectExecutor.toSelect(boolean, JDBCFetchConfiguration), if any.
    
    Specified by:
    
    getSQL in interface SelectExecutor
  - toSelectCount
```
public SQLBuffer toSelectCount()
```
    Description copied from interface: SelectExecutor
    
    Return this select as a COUNT SQL statement formatted for the current dictionary.
    
    Specified by:
    
    toSelectCount in interface SelectExecutor
  - getAutoDistinct
```
public boolean getAutoDistinct()
```
    Description copied from interface: SelectExecutor
    
    Whether to automatically make results distinct when relational joins would otherwise introduce duplicates.
    
    Specified by:
    
    getAutoDistinct in interface SelectExecutor
  - setAutoDistinct
```
public void setAutoDistinct(boolean distinct)
```
    Description copied from interface: SelectExecutor
    
    Whether to automatically make results distinct when relational joins would otherwise introduce duplicates.
    
    Specified by:
    
    setAutoDistinct in interface SelectExecutor
  - isDistinct
```
public boolean isDistinct()
```
    Description copied from interface: SelectExecutor
    
    Whether this is a SELECT DISTINCT / UNION ALL.
    
    Specified by:
    
    isDistinct in interface SelectExecutor
  - setDistinct
```
public void setDistinct(boolean distinct)
```
    Description copied from interface: SelectExecutor
    
    Whether this is a SELECT DISTINCT / UNION ALL.
    
    Specified by:
    
    setDistinct in interface SelectExecutor
  - isLRS
```
public boolean isLRS()
```
    Description copied from interface: SelectExecutor
    
    Whether the result of this select should be treated as a large result set.
    
    Specified by:
    
    isLRS in interface SelectExecutor
  - setLRS
```
public void setLRS(boolean lrs)
```
    Description copied from interface: SelectExecutor
    
    Whether the result of this select should be treated as a large result set.
    
    Specified by:
    
    setLRS in interface SelectExecutor
  - getJoinSyntax
```
public int getJoinSyntax()
```
    Description copied from interface: SelectExecutor
    
    The join syntax for this select, as one of the syntax constants from JoinSyntaxes.
    
    Specified by:
    
    getJoinSyntax in interface SelectExecutor
  - setJoinSyntax
```
public void setJoinSyntax(int joinSyntax)
```
    Description copied from interface: SelectExecutor
    
    The join syntax for this select, as one of the syntax constants from JoinSyntaxes.
    
    Specified by:
    
    setJoinSyntax in interface SelectExecutor
  - supportsRandomAccess
```
public boolean supportsRandomAccess(boolean forUpdate)
```
    Description copied from interface: SelectExecutor
    
    Return whether this select can support a random access result set type.
    
    Specified by:
    
    supportsRandomAccess in interface SelectExecutor
  - supportsLocking
```
public boolean supportsLocking()
```
    Description copied from interface: SelectExecutor
    
    Whether this select can be executed for update.
    
    Specified by:
    
    supportsLocking in interface SelectExecutor
  - hasMultipleSelects
```
public boolean hasMultipleSelects()
```
    Description copied from interface: SelectExecutor
    
    Affirm if this receiver requires more than one selects to fetch its data.
    
    Specified by:
    
    hasMultipleSelects in interface SelectExecutor
  - getCount
```
public int getCount(JDBCStore store)
             throws SQLException
```
    Description copied from interface: SelectExecutor
    
    Return the number of instances matching this select.
    
    Specified by:
    
    getCount in interface SelectExecutor
    
    Throws:
    
    SQLException
  - execute
```
public Result execute(JDBCStore store,
                      JDBCFetchConfiguration fetch)
               throws SQLException
```
    Description copied from interface: SelectExecutor
    
    Execute this select in the context of the given store manager.
    
    Specified by:
    
    execute in interface SelectExecutor
    
    Throws:
    
    SQLException
  - execute
```
public Result execute(JDBCStore store,
                      JDBCFetchConfiguration fetch,
                      int lockLevel)
               throws SQLException
```
    Description copied from interface: SelectExecutor
    
    Execute this select in the context of the given store manager.
    
    Specified by:
    
    execute in interface SelectExecutor
    
    Throws:
    
    SQLException
  - getSubselects
```
public List getSubselects()
```
    Description copied from interface: Select
    
    Return this select's subselects, or empty collection if none.
    
    Specified by:
    
    getSubselects in interface Select
  - getParent
```
public Select getParent()
```
    Description copied from interface: Select
    
    Return the parent of this select, if it is a subselect.
    
    Specified by:
    
    getParent in interface Select
  - getSubselectPath
```
public String getSubselectPath()
```
    Description copied from interface: Select
    
    Return the subselect path for this select, if it is a subselect.
    
    Specified by:
    
    getSubselectPath in interface Select
  - setParent
```
public void setParent(Select parent,
                      String path)
```
    Description copied from interface: Select
    
    Turn this select into a subselect of the given instance.
    
    Specified by:
    
    setParent in interface Select
  - setHasSubselect
```
public void setHasSubselect(boolean hasSub)
```
    Description copied from interface: Select
    
    Set the flag to indicate whether this Select has internally generated subselect
    
    Specified by:
    
    setHasSubselect in interface Select
  - getHasSubselect
```
public boolean getHasSubselect()
```
    Description copied from interface: Select
    
    Return the flag to indicate whether this Select has internally generated subselect
    
    Specified by:
    
    getHasSubselect in interface Select
  - getFromSelect
```
public Select getFromSelect()
```
    Description copied from interface: Select
    
    Another select instance that creates a temporary table from which this select pulls data.
    
    Specified by:
    
    getFromSelect in interface Select
  - setFromSelect
```
public void setFromSelect(Select sel)
```
    Description copied from interface: Select
    
    Another select instance that creates a temporary table from which this select pulls data.
    
    Specified by:
    
    setFromSelect in interface Select
  - hasEagerJoin
```
public boolean hasEagerJoin(boolean toMany)
```
    Description copied from interface: Select
    
    Whether this select has an eager join of the specified type.
    
    Specified by:
    
    hasEagerJoin in interface Select
  - hasJoin
```
public boolean hasJoin(boolean toMany)
```
    Description copied from interface: Select
    
    Whether this select has a join of the specified type.
    
    Specified by:
    
    hasJoin in interface Select
  - isSelected
```
public boolean isSelected(Table table)
```
    Description copied from interface: Select
    
    Return whether the given table is being used in this select.
    
    Specified by:
    
    isSelected in interface Select
  - getTableAliases
```
public Collection getTableAliases()
```
    Description copied from interface: Select
    
    Return the set of all used table aliases.
    
    Specified by:
    
    getTableAliases in interface Select
  - getSelects
```
public List getSelects()
```
    Description copied from interface: Select
    
    Return the actual Vals and Columns that were selected, in the order that they were selected.
    
    Specified by:
    
    getSelects in interface Select
  - getSelectAliases
```
public List getSelectAliases()
```
    Description copied from interface: Select
    
    Return the aliases of all selected columns and all selected buffers, in the order they were selected. Each alias may be either a string or a SQLBuffer.
    
    Specified by:
    
    getSelectAliases in interface Select
  - getIdentifierAliases
```
public List getIdentifierAliases()
```
    Description copied from interface: Select
    
    Get the aliases for identifier columns that can be used in COUNT selects to find the number of matches. Each alias will be a string. If no identifier columns have been nominated, then all column alises are returned.
    
    Specified by:
    
    getIdentifierAliases in interface Select
  - getOrdering
```
public SQLBuffer getOrdering()
```
    Description copied from interface: Select
    
    Return the ordering SQL for this select.
    
    Specified by:
    
    getOrdering in interface Select
  - getGrouping
```
public SQLBuffer getGrouping()
```
    Description copied from interface: Select
    
    Return the grouping SQL for this select.
    
    Specified by:
    
    getGrouping in interface Select
  - getWhere
```
public SQLBuffer getWhere()
```
    Description copied from interface: Select
    
    Return the WHERE clause, minus any necessary end joins.
    
    Specified by:
    
    getWhere in interface Select
  - getHaving
```
public SQLBuffer getHaving()
```
    Description copied from interface: Select
    
    Return the HAVING clause, or null if none.
    
    Specified by:
    
    getHaving in interface Select
  - addJoinClassConditions
```
public void addJoinClassConditions()
```
    Description copied from interface: Select
    
    Apply class conditions from relation joins. This may affect the return values of Select.getJoins(), Select.getJoinIterator(), and Select.getWhere().
    
    Specified by:
    
    addJoinClassConditions in interface Select
  - getJoins
```
public Joins getJoins()
```
    Description copied from interface: Select
    
    Return the top-level joins for this select.
    
    Specified by:
    
    getJoins in interface Select
  - getJoinIterator
```
public Iterator getJoinIterator()
```
    Description copied from interface: Select
    
    Return the top-level Join elements for this select.
    
    Specified by:
    
    getJoinIterator in interface Select
  - getStartIndex
```
public long getStartIndex()
```
    Description copied from interface: Select
    
    The result start index.
    
    Specified by:
    
    getStartIndex in interface Select
  - getEndIndex
```
public long getEndIndex()
```
    Description copied from interface: Select
    
    The result end index.
    
    Specified by:
    
    getEndIndex in interface Select
  - setRange
```
public void setRange(long start,
                     long end)
```
    Description copied from interface: Select
    
    Set the result range for this select.
    
    Specified by:
    
    setRange in interface Select
  - getColumnAlias
```
public String getColumnAlias(Column col)
```
    Description copied from interface: Select
    
    Return the alias for the given column.
    
    Specified by:
    
    getColumnAlias in interface Select
  - getColumnAlias
```
public String getColumnAlias(Column col,
                             Joins joins)
```
    Description copied from interface: Select
    
    Return the alias for the given column.
    
    Specified by:
    
    getColumnAlias in interface Select
  - getColumnAlias
```
public String getColumnAlias(Column col,
                             Object alias)
```
    Description copied from interface: Select
    
    Return the alias for the given column, without creating new table alias
    
    Specified by:
    
    getColumnAlias in interface Select
  - getColumnAlias
```
public String getColumnAlias(String col,
                             Table table)
```
    Description copied from interface: Select
    
    Return the alias for the given column.
    
    Specified by:
    
    getColumnAlias in interface Select
  - getColumnAlias
```
public String getColumnAlias(String col,
                             Table table,
                             Joins joins)
```
    Description copied from interface: Select
    
    Return the alias for the given column.
    
    Specified by:
    
    getColumnAlias in interface Select
  - isAggregate
```
public boolean isAggregate()
```
    Description copied from interface: Select
    
    Return true if this is an aggregate select.
    
    Specified by:
    
    isAggregate in interface Select
  - setAggregate
```
public void setAggregate(boolean agg)
```
    Description copied from interface: Select
    
    Set to true for aggregate selects.
    
    Specified by:
    
    setAggregate in interface Select
  - isLob
```
public boolean isLob()
```
    Description copied from interface: Select
    
    Return true if this select includes a LOB.
    
    Specified by:
    
    isLob in interface Select
  - setLob
```
public void setLob(boolean lob)
```
    Description copied from interface: Select
    
    Set to true for selects that include LOB columns.
    
    Specified by:
    
    setLob in interface Select
  - selectPlaceholder
```
public void selectPlaceholder(String sql)
```
    Description copied from interface: Select
    
    Select the given SQL as a placeholder for a UNION element.
    
    Specified by:
    
    selectPlaceholder in interface Select
  - clearSelects
```
public void clearSelects()
```
    Description copied from interface: Select
    
    Clear the existing column selects.
    
    Specified by:
    
    clearSelects in interface Select
  - select
```
public boolean select(SQLBuffer sql,
                      Object id)
```
    Description copied from interface: Select
    
    Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a Result.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public boolean select(SQLBuffer sql,
                      Object id,
                      Joins joins)
```
    Description copied from interface: Select
    
    Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a Result.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public boolean select(String sql,
                      Object id)
```
    Description copied from interface: Select
    
    Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a Result.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public boolean select(String sql,
                      Object id,
                      Joins joins)
```
    Description copied from interface: Select
    
    Select the given SQL; the given id object is an identifier to use when retrieving the corresponding value from a Result.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public boolean select(Column col)
```
    Description copied from interface: Select
    
    Select the given column.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public boolean select(Column col,
                      Joins joins)
```
    Description copied from interface: Select
    
    Select the given column.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    true if selected
  - select
```
public int select(Column[] cols)
```
    Description copied from interface: Select
    
    Select the given columns.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    bit set of indexes of columns that were selected
  - select
```
public int select(Column[] cols,
                  Joins joins)
```
    Description copied from interface: Select
    
    Select the given columns.
    
    Specified by:
    
    select in interface Select
    
    Returns:
    
    bit set of indexes of columns that were selected
  - select
```
public void select(ClassMapping mapping,
                   int subclasses,
                   JDBCStore store,
                   JDBCFetchConfiguration fetch,
                   int eager)
```
    Description copied from interface: Select
    
    Select the columns of the given mapping, possibly including subclasses. This method should be called after all where conditions are added in case the given mapping batches other selects.
    
    Specified by:
    
    select in interface Select
  - select
```
public void select(ClassMapping mapping,
                   int subclasses,
                   JDBCStore store,
                   JDBCFetchConfiguration fetch,
                   int eager,
                   Joins joins)
```
    Description copied from interface: Select
    
    Select the columns of the given mapping, possibly including subclasses. This method should be called after all where conditions are added in case the given mapping batches other selects.
    
    Specified by:
    
    select in interface Select
  - selectIdentifier
```
public boolean selectIdentifier(Column col)
```
    Description copied from interface: Select
    
    Select the given column as one that can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
    
    Returns:
    
    true if selected
  - selectIdentifier
```
public boolean selectIdentifier(Column col,
                                Joins joins)
```
    Description copied from interface: Select
    
    Select the given column as one that can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
    
    Returns:
    
    true if selected
  - selectIdentifier
```
public int selectIdentifier(Column[] cols)
```
    Description copied from interface: Select
    
    Select the given columns as ones that can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
    
    Returns:
    
    bit set of indexes of columns that were selected
  - selectIdentifier
```
public int selectIdentifier(Column[] cols,
                            Joins joins)
```
    Description copied from interface: Select
    
    Select the given columns as ones that can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
    
    Returns:
    
    bit set of indexes of columns that were selected
  - selectIdentifier
```
public void selectIdentifier(ClassMapping mapping,
                             int subclasses,
                             JDBCStore store,
                             JDBCFetchConfiguration fetch,
                             int eager)
```
    Description copied from interface: Select
    
    Select the columns of the given mapping, possibly including subclasses. This method should be called after all where conditions are added in case the given mapping batches other selects. The primary key columns of the mapping can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
  - selectIdentifier
```
public void selectIdentifier(ClassMapping mapping,
                             int subclasses,
                             JDBCStore store,
                             JDBCFetchConfiguration fetch,
                             int eager,
                             Joins joins)
```
    Description copied from interface: Select
    
    Select the columns of the given mapping, possibly including subclasses. This method should be called after all where conditions are added in case the given mapping batches other selects. The primary key columns of the mapping can be used to get a count of distinct matches. It is not necessary to designate distinct identifiers when eagerly traversing the entire result of the select or when not using an LRSSize setting of count.
    
    Specified by:
    
    selectIdentifier in interface Select
  - selectPrimaryKey
```
public int selectPrimaryKey(ClassMapping mapping)
```
    Description copied from interface: Select
    
    Select the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
    
    Specified by:
    
    selectPrimaryKey in interface Select
    
    Returns:
    
    bit set of indexes of pk columns that were selected
  - selectPrimaryKey
```
public int selectPrimaryKey(ClassMapping mapping,
                            Joins joins)
```
    Description copied from interface: Select
    
    Select the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id.
    
    Specified by:
    
    selectPrimaryKey in interface Select
    
    Returns:
    
    bit set of indexes of pk columns that were selected
  - orderByPrimaryKey
```
public int orderByPrimaryKey(ClassMapping mapping,
                             boolean asc,
                             boolean select)
```
    Description copied from interface: Select
    
    Order on the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderByPrimaryKey in interface Select
  - orderByPrimaryKey
```
public int orderByPrimaryKey(ClassMapping mapping,
                             boolean asc,
                             Joins joins,
                             boolean select)
```
    Description copied from interface: Select
    
    Select and order on the primary key columns of the given mapping, joining to superclasses as necessary to get all columns needed to construct an object id. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderByPrimaryKey in interface Select
  - recordOrder
```
protected void recordOrder(Object ord,
                           boolean asc)
```
    Record that we're ordering by a SQL expression.
  - recordOrderColumns
```
protected void recordOrderColumns(Column[] cols,
                                  boolean asc)
```
    Record that we're ordering by the given columns.
  - orderBy
```
public boolean orderBy(Column col,
                       boolean asc,
                       boolean select)
```
    Description copied from interface: Select
    
    Order by the given column. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public boolean orderBy(Column col,
                       boolean asc,
                       Joins joins,
                       boolean select)
```
    Description copied from interface: Select
    
    Order by the given column. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public int orderBy(Column[] cols,
                   boolean asc,
                   boolean select)
```
    Description copied from interface: Select
    
    Order by the given columns. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public int orderBy(Column[] cols,
                   boolean asc,
                   Joins joins,
                   boolean select)
```
    Description copied from interface: Select
    
    Order by the given columns. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public boolean orderBy(SQLBuffer sql,
                       boolean asc,
                       boolean select,
                       Value selAs)
```
    Description copied from interface: Select
    
    Add an ORDER BY clause. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public boolean orderBy(SQLBuffer sql,
                       boolean asc,
                       Joins joins,
                       boolean select,
                       Value selAs)
```
    Description copied from interface: Select
    
    Add an ORDER BY clause. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public boolean orderBy(String sql,
                       boolean asc,
                       boolean select)
```
    Description copied from interface: Select
    
    Add an ORDER BY clause. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - orderBy
```
public boolean orderBy(String sql,
                       boolean asc,
                       Joins joins,
                       boolean select)
```
    Description copied from interface: Select
    
    Add an ORDER BY clause. Optionally selects ordering data if not already selected.
    
    Specified by:
    
    orderBy in interface Select
  - clearOrdering
```
public void clearOrdering()
```
    Description copied from interface: Select
    
    Clear odering conditions.
    
    Specified by:
    
    clearOrdering in interface Select
  - wherePrimaryKey
```
public void wherePrimaryKey(Object oid,
                            ClassMapping mapping,
                            JDBCStore store)
```
    Description copied from interface: Select
    
    Add where conditions setting the mapping's primary key to the given oid values. If the given mapping does not use oid values for its primary key, we will recursively join to its superclass until we find an ancestor that does.
    
    Specified by:
    
    wherePrimaryKey in interface Select
  - whereForeignKey
```
public void whereForeignKey(ForeignKey fk,
                            Object oid,
                            ClassMapping mapping,
                            JDBCStore store)
```
    Description copied from interface: Select
    
    Add where conditions setting the given foreign key to the given oid values.
    
    Specified by:
    
    whereForeignKey in interface Select
    
    See Also:
    
    Select.wherePrimaryKey(java.lang.Object, org.apache.openjpa.jdbc.meta.ClassMapping, org.apache.openjpa.jdbc.kernel.JDBCStore)
  - where
```
public void where(Joins joins)
```
    Description copied from interface: Select
    
    Add the given where conditions.
    
    Specified by:
    
    where in interface Select
  - where
```
public void where(SQLBuffer sql)
```
    Description copied from interface: Select
    
    Add the given where conditions.
    
    Specified by:
    
    where in interface Select
  - where
```
public void where(SQLBuffer sql,
                  Joins joins)
```
    Description copied from interface: Select
    
    Add the given where conditions.
    
    Specified by:
    
    where in interface Select
  - where
```
public void where(String sql)
```
    Description copied from interface: Select
    
    Add the given where conditions.
    
    Specified by:
    
    where in interface Select
  - where
```
public void where(String sql,
                  Joins joins)
```
    Description copied from interface: Select
    
    Add the given where conditions.
    
    Specified by:
    
    where in interface Select
  - having
```
public void having(SQLBuffer sql)
```
    Description copied from interface: Select
    
    Add the given having conditions.
    
    Specified by:
    
    having in interface Select
  - having
```
public void having(SQLBuffer sql,
                   Joins joins)
```
    Description copied from interface: Select
    
    Add the given having conditions.
    
    Specified by:
    
    having in interface Select
  - having
```
public void having(String sql)
```
    Description copied from interface: Select
    
    Add the given having conditions.
    
    Specified by:
    
    having in interface Select
  - having
```
public void having(String sql,
                   Joins joins)
```
    Description copied from interface: Select
    
    Add the given having conditions.
    
    Specified by:
    
    having in interface Select
  - groupBy
```
public void groupBy(SQLBuffer sql)
```
    Description copied from interface: Select
    
    Add a GROUP BY clause.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(SQLBuffer sql,
                    Joins joins)
```
    Description copied from interface: Select
    
    Add a GROUP BY clause.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(String sql)
```
    Description copied from interface: Select
    
    Add a GROUP BY clause.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(String sql,
                    Joins joins)
```
    Description copied from interface: Select
    
    Add a GROUP BY clause.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(Column col)
```
    Description copied from interface: Select
    
    Group by the given column.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(Column col,
                    Joins joins)
```
    Description copied from interface: Select
    
    Group by the given column.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(Column[] cols)
```
    Description copied from interface: Select
    
    Group by the given columns.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(Column[] cols,
                    Joins joins)
```
    Description copied from interface: Select
    
    Group by the given columns.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(ClassMapping mapping,
                    int subclasses,
                    JDBCStore store,
                    JDBCFetchConfiguration fetch)
```
    Description copied from interface: Select
    
    Group by the columns of the given mapping, possibly including subclasses. Assumes EAGER_NONE.
    
    Specified by:
    
    groupBy in interface Select
  - groupBy
```
public void groupBy(ClassMapping mapping,
                    int subclasses,
                    JDBCStore store,
                    JDBCFetchConfiguration fetch,
                    Joins joins)
```
    Description copied from interface: Select
    
    Group by the columns of the given mapping, possibly including subclasses. Assumes EAGER_NONE.
    
    Specified by:
    
    groupBy in interface Select
  - whereClone
```
public SelectExecutor whereClone(int sels)
```
    Description copied from interface: Select
    
    Return a SELECT with the same joins and where conditions as this one.
    
    Specified by:
    
    whereClone in interface Select
    
    Parameters:
    
    sels - number of selects to UNION together; ignored if <= 1
  - fullClone
```
public SelectExecutor fullClone(int sels)
```
    Description copied from interface: Select
    
    Return a SELECT that is a complete clone of this one.
    
    Specified by:
    
    fullClone in interface Select
    
    Parameters:
    
    sels - number of selects to UNION together; ignored if <= 1
  - eagerClone
```
public SelectExecutor eagerClone(FieldMapping key,
                                 int eagerType,
                                 boolean toMany,
                                 int sels)
```
    Description copied from interface: Select
    
    Return a select that will be eagerly executed with this one, or null if the select cannot be created for the given key and join type. If the join type is inner or outer, then this select instance will be returned. Otherwise, the returned select will have a clone of this select's where conditions and joins but will be independent.
    
    Specified by:
    
    eagerClone in interface Select
    
    Parameters:
    
    key - the key for the eager select
    
    eagerType - one of the EAGER_* constants
    
    toMany - whether the eager join is to-many
    
    sels - number of selects to UNION together; ignored if <= 1
  - getEager
```
public SelectExecutor getEager(FieldMapping key)
```
    Description copied from interface: Select
    
    Return the eager select for the given key.
    
    Specified by:
    
    getEager in interface Select
  - newJoins
```
public Joins newJoins()
```
    Description copied from interface: Select
    
    Return a new instance to use for joining.
    
    Specified by:
    
    newJoins in interface Select
  - newOuterJoins
```
public Joins newOuterJoins()
```
    Description copied from interface: Select
    
    Return a new instance to use for outer joining.
    
    Specified by:
    
    newOuterJoins in interface Select
  - append
```
public void append(SQLBuffer buf,
                   Joins joins)
```
    Description copied from interface: Select
    
    Append the given joins to the given buffer.
    
    Specified by:
    
    append in interface Select
  - and
```
public Joins and(Joins joins1,
                 Joins joins2)
```
    Description copied from interface: Select
    
    AND the given joins together. The given joins will be hollowed in the process.
    
    Specified by:
    
    and in interface Select
  - or
```
public Joins or(Joins joins1,
                Joins joins2)
```
    Description copied from interface: Select
    
    OR the given joins together. The common joins will be removed in the process.
    
    Specified by:
    
    or in interface Select
  - outer
```
public Joins outer(Joins joins)
```
    Description copied from interface: Select
    
    Return a join set making the given joins outer joins.
    
    Specified by:
    
    outer in interface Select
  - toString
```
public String toString()
```
    Description copied from interface: Select
    
    Implement toString to generate SQL string for profiling/debuggging.
    
    Specified by:
    
    toString in interface Select
    
    Overrides:
    
    toString in class Object
  - getExpectedResultCount
```
public int getExpectedResultCount()
```
    Description copied from interface: SelectExecutor
    
    The expected result count for the query.
    
    Specified by:
    
    getExpectedResultCount in interface SelectExecutor
  - setExpectedResultCount
```
public void setExpectedResultCount(int expectedResultCount,
                                   boolean force)
```
    Description copied from interface: SelectExecutor
    
    The expected result count for the query.
    
    Specified by:
    
    setExpectedResultCount in interface SelectExecutor
    
    force - if false, the count will be discarded if this select has any to-many eager joins that would throw off the result count
  - setContext
```
public void setContext(Context context)
```
    Description copied from interface: Select
    
    Set JPQL query context for this select
    
    Specified by:
    
    setContext in interface Select
  - ctx
```
public Context ctx()
```
    Description copied from interface: Select
    
    Return the JPQL query context of this select
    
    Specified by:
    
    ctx in interface Select
  - setSchemaAlias
```
public void setSchemaAlias(String schemaAlias)
```
    Description copied from interface: Select
    
    Record the initial schemaAlias of a join path
    
    Specified by:
    
    setSchemaAlias in interface Select
  - logEagerRelations
```
public void logEagerRelations()
```
    Description copied from interface: Select
    
    Extended trace that logs eager relations
    
    Specified by:
    
    logEagerRelations in interface Select
  - setTablePerClassMeta
```
public void setTablePerClassMeta(ClassMapping meta)
```
    Description copied from interface: Select
    
    Set table-per-class metadata for polymorphic queries
    
    Specified by:
    
    setTablePerClassMeta in interface Select
  - getTablePerClassMeta
```
public ClassMapping getTablePerClassMeta()
```
    Description copied from interface: Select
    
    get table-per-class metadata for polymorphic queries
    
    Specified by:
    
    getTablePerClassMeta in interface Select
  - setJoinedTableClassMeta
```
public void setJoinedTableClassMeta(List meta)
```
    Description copied from interface: Select
    
    Set joined table metadatas for polymorphic queries
    
    Specified by:
    
    setJoinedTableClassMeta in interface Select
  - getJoinedTableClassMeta
```
public List getJoinedTableClassMeta()
```
    Description copied from interface: Select
    
    get joined table metadatas for polymorphic queries
    
    Specified by:
    
    getJoinedTableClassMeta in interface Select
  - setExcludedJoinedTableClassMeta
```
public void setExcludedJoinedTableClassMeta(List meta)
```
    Description copied from interface: Select
    
    Set joined table metadatas excluded for polymorphic queries
    
    Specified by:
    
    setExcludedJoinedTableClassMeta in interface Select
  - getExcludedJoinedTableClassMeta
```
public List getExcludedJoinedTableClassMeta()
```
    Description copied from interface: Select
    
    get joined table metadatas excluded for polymorphic queries
    
    Specified by:
    
    getExcludedJoinedTableClassMeta in interface Select
  - getDictionary
```
public DBDictionary getDictionary()
```
    Specified by:
    
    getDictionary in interface Select

Class LogicalUnion.UnionSelect

Field Summary

Fields inherited from interface org.apache.openjpa.jdbc.sql.Select

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

sel

pos

orders

orderIdxs

Constructor Detail

UnionSelect

Method Detail

getDelegate

getSelectedOrderIndexes

getConfiguration

indexOf

toSelect

getSQL

toSelectCount

getAutoDistinct

setAutoDistinct

isDistinct

setDistinct

isLRS

setLRS

getJoinSyntax

setJoinSyntax

supportsRandomAccess

supportsLocking

hasMultipleSelects

getCount

execute

execute

getSubselects

getParent

getSubselectPath

setParent

setHasSubselect

getHasSubselect

getFromSelect

setFromSelect

hasEagerJoin

hasJoin

isSelected

getTableAliases

getSelects

getSelectAliases

getIdentifierAliases

getOrdering

getGrouping

getWhere

getHaving

addJoinClassConditions

getJoins

getJoinIterator

getStartIndex

getEndIndex

setRange

getColumnAlias

getColumnAlias

getColumnAlias

getColumnAlias

getColumnAlias

isAggregate

setAggregate

isLob

setLob

selectPlaceholder

clearSelects

select

select

select

select

select

select

select

select

select