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java.lang.Objectorg.edg.info.sqlutil.rdb.SQLExpEvaluator
Evaluate SQL expressions
Constructor Summary | |
SQLExpEvaluator()
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Method Summary | |
boolean |
eval(Tuple tuple,
ExpSelConst exp)
Evaluate a boolean expression to true or false (for example, SQL WHERE clauses are boolean expressions) |
java.lang.Object |
evalExpValue(Tuple tuple,
ExpSelConst exp)
Evaluate a numeric or string expression (example: a+1) |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public SQLExpEvaluator()
Method Detail |
public boolean eval(Tuple tuple, ExpSelConst exp) throws java.sql.SQLException
tuple
- The tuple on which to evaluate the expressionexp
- The expression to evaluate
java.sql.SQLException
- DOCUMENT ME!public java.lang.Object evalExpValue(Tuple tuple, ExpSelConst exp) throws java.sql.SQLException
tuple
- The tuple on which to evaluate the expressionexp
- The expression to evaluate
java.sql.SQLException
- DOCUMENT ME!
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