org.sqlproc.engine.impl
Interface SqlMetaLogOperand

All Known Implementing Classes:

SqlMetaConst, SqlMetaIdent, SqlMetaLogExpr, SqlMetaLogOperator, SqlMetaOperator

interface SqlMetaLogOperand

The ancestor of META SQL sub-elements, which can be used in SqlMetaLogExpr. In fact it's a marker interface for

• SqlMetaIdent
• SqlMetaConst

Author:

Vladimir Hudec

Method Summary

boolean

processExpression(SqlProcessContext ctx) The main contract to evaluate a logical value of META SQL sub-elements.

Method Detail

processExpression

boolean processExpression(SqlProcessContext ctx)

The main contract to evaluate a logical value of META SQL sub-elements.

Parameters:

ctx - the context for a dynamic ANSI SQL Query generation

Returns:

a logical value