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java.lang.Objectorg.h2.expression.Expression
org.h2.expression.Condition
org.h2.expression.ConditionInSelect
public class ConditionInSelect
An 'in' condition with a subquery, as in WHERE ID IN(SELECT ...)
Constructor Summary | |
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ConditionInSelect(Database database,
Expression left,
Query query,
boolean all,
int compareType)
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Method Summary | |
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void |
createIndexConditions(Session session,
TableFilter filter)
Create index conditions if possible and attach them to the table filter. |
int |
getCost()
Estimate the cost to process the expression. |
java.lang.String |
getSQL()
Get the SQL statement of this expression. |
Value |
getValue(Session session)
Return the resulting value for the current row. |
boolean |
isEverything(ExpressionVisitor visitor)
Check if this expression and all sub-expressions can fulfill a criteria. |
void |
mapColumns(ColumnResolver resolver,
int level)
Map the columns of the resolver to expression columns. |
Expression |
optimize(Session session)
Try to optimize the expression. |
void |
setEvaluatable(TableFilter tableFilter,
boolean b)
Tell the expression columns whether the table filter can return values now. |
void |
updateAggregate(Session session)
Update an aggregate value. |
Methods inherited from class org.h2.expression.Condition |
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getDisplaySize, getPrecision, getScale, getType |
Methods inherited from class org.h2.expression.Expression |
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addFilterConditions, getAlias, getBooleanValue, getColumnName, getExpressionColumns, getExpressionColumns, getExpressionColumns, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getTableAlias, getTableName, isAutoIncrement, isConstant, isEverything, isValueSet, isWildcard, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ConditionInSelect(Database database, Expression left, Query query, boolean all, int compareType)
Method Detail |
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public Value getValue(Session session)
Expression
getValue
in class Expression
session
- the session
public void mapColumns(ColumnResolver resolver, int level)
Expression
mapColumns
in class Expression
resolver
- the column resolverlevel
- the subquery nesting levelpublic Expression optimize(Session session)
Expression
optimize
in class Expression
session
- the session
public void setEvaluatable(TableFilter tableFilter, boolean b)
Expression
setEvaluatable
in class Expression
tableFilter
- the table filterb
- true if the table filter can return valuepublic java.lang.String getSQL()
Expression
getSQL
in class Expression
public void updateAggregate(Session session)
Expression
updateAggregate
in class Expression
session
- the sessionpublic boolean isEverything(ExpressionVisitor visitor)
Expression
isEverything
in class Expression
visitor
- the visitor
public int getCost()
Expression
getCost
in class Expression
public void createIndexConditions(Session session, TableFilter filter)
Expression
createIndexConditions
in class Expression
session
- the sessionfilter
- the table filter
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