| Package | Description | 
|---|---|
| org.apache.pig.newplan.logical.expression | |
| org.apache.pig.newplan.logical.visitor | 
| Modifier and Type | Method and Description | 
|---|---|
| void | LogicalExpressionVisitor. visit(CastExpression op) | 
| void | ExpToPhyTranslationVisitor. visit(CastExpression op) | 
| void | AllSameExpressionVisitor. visit(CastExpression cast) | 
| Modifier and Type | Method and Description | 
|---|---|
| void | TypeCheckingExpVisitor. visit(CastExpression cast)For Basic Types:
 0) Casting to itself is always ok
 1) Casting from number to number is always ok
 2) ByteArray to anything is ok
 3) number to chararray is ok
 For Composite Types:
 Recursively traverse the schemas till you get a basic type | 
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