Class BooleanSubqueryExpression

java.lang.Object

org.datanucleus.store.rdbms.sql.expression.SQLExpression

org.datanucleus.store.rdbms.sql.expression.BooleanExpression

org.datanucleus.store.rdbms.sql.expression.BooleanSubqueryExpression

public class BooleanSubqueryExpression
extends BooleanExpression

Boolean expression to wrap a subquery. The subquery will be a "SELECT 1 FROM ..." resulting in SQL like

{keyword} (SELECT 1 FROM ...)

where the keyword is supplied (e.g EXISTS). e.g

EXISTS (SELECT 1 FROM TBL WHERE TBL.ID = A0.ID)

Nested Class Summary

Nested classes/interfaces inherited from class SQLExpression

SQLExpression.ColumnExpressionList

Field Summary

Fields inherited from class BooleanExpression

hasClosure

Fields inherited from class SQLExpression

lowestOperator, mapping, parameterName, st, stmt, subExprs, table

Constructor Summary

Constructors

Constructor	Description
BooleanSubqueryExpression(SQLStatement stmt, String keyword, SQLStatement subStmt)

Method Summary

Methods inherited from class BooleanExpression

and, eor, eq, hasClosure, in, invoke, ior, ne, neg, not

Methods inherited from class SQLExpression

add, bitAnd, bitOr, cast, com, distinct, div, encloseInParentheses, ge, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, gt, is, isParameter, le, lt, mod, mul, setJavaTypeMapping, sub, toSQLText, unDistinct

Methods inherited from class Object

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

Constructor Details

BooleanSubqueryExpression

public BooleanSubqueryExpression(SQLStatement stmt,
 String keyword,
 SQLStatement subStmt)