| Package | Description | 
|---|---|
| org.apache.pig.newplan | |
| org.apache.pig.newplan.logical.expression | 
| Modifier and Type | Method and Description | 
|---|---|
| protected FilterExtractor.KeyState | FilterExtractor. checkPushDown(UnaryExpression unaryExpr) | 
| protected Expression | FilterExtractor. getExpression(UnaryExpression unaryOp,
             Expression.OpType opType) | 
| protected boolean | PredicatePushDownFilterExtractor. isSupportedOpType(UnaryExpression unaryOp) | 
| protected boolean | PartitionFilterExtractor. isSupportedOpType(UnaryExpression unaryOp) | 
| protected abstract boolean | FilterExtractor. isSupportedOpType(UnaryExpression unaryOp) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CastExpression | 
| class  | IsNullExpression | 
| class  | NegativeExpression | 
| class  | NotExpression | 
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