Class SQLBooleanMethod
- java.lang.Object
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- org.datanucleus.store.rdbms.sql.method.SQLBooleanMethod
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- All Implemented Interfaces:
SQLMethod
public class SQLBooleanMethod extends Object implements SQLMethod
Method to allow inclusion of any SQL code that returns a boolean. The original expression will be of the formSQL_boolean("some sql")which is compiled intoInvokeExpression{STATIC.SQL_boolean(Literal{some sql})
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Constructor Summary
Constructors Constructor Description SQLBooleanMethod()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description SQLExpressiongetExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args)Return the expression for this SQL function.
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Method Detail
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getExpression
public SQLExpression getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> args)
Description copied from interface:SQLMethodReturn the expression for this SQL function.- Specified by:
getExpressionin interfaceSQLMethod- Parameters:
stmt- SQLStatement that this expression is forignore- The expression that it is invoked onargs- Arguments passed in- Returns:
- The SQL expression using the SQL function
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