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| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan | |
|---|---|
| LogicalExpression
Logical representation of expression operators. |
|
| ProjectExpression
Projection of columns in an expression. |
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| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan.logical.expression | |
|---|---|
| AddExpression
Add Operator |
|
| AndExpression
Boolean and expression. |
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| BinaryExpression
Superclass for all binary expressions |
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| BinCondExpression
|
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| CastExpression
|
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| ColumnExpression
Super class for all column expressions, including projection, constants, and deferences. |
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| ConstantExpression
A constant |
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| DereferenceExpression
get one or elements out of a tuple or a bag in case of Tuple( a#2:int, b#3:bag{ b_a#4:int, b_b#5:float }, c#6:int ) # 1 (the number after # represents the uid) Dereference ( 0 ) --> a:int - dereference of single column in a tuple gives the field Dereference ( 0,2 ) --> Tuple(a#2:int, c#6:int) #7 - dereference of more than one column gives a tuple Dereference ( 1 ) --> Dereference ( 1 ) --> b:bag{b_b#5:float}#8 - dereference of a bag gives a bag |
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| DivideExpression
Divide Operator |
|
| EqualExpression
Equality test expression. |
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| GreaterThanEqualExpression
|
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| GreaterThanExpression
|
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| IsNullExpression
|
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| LessThanEqualExpression
|
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| LessThanExpression
|
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| LogicalExpression
Logical representation of expression operators. |
|
| LogicalExpressionPlan
A plan containing LogicalExpressionOperators. |
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| LogicalExpressionVisitor
A visitor for expression plans. |
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| MapLookupExpression
|
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| ModExpression
Mod Operator |
|
| MultiplyExpression
Multiply Operator |
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| NegativeExpression
|
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| NotEqualExpression
NotEquality test expression. |
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| NotExpression
|
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| OrExpression
Boolean OR Expression |
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| ProjectExpression
Projection of columns in an expression. |
|
| RegexExpression
Regex Operator |
|
| ScalarExpression
|
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| SubtractExpression
Subtract Operator |
|
| UnaryExpression
Superclass for all unary expressions |
|
| UserFuncExpression
|
|
| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan.logical.optimizer | |
|---|---|
| LogicalExpressionPlan
A plan containing LogicalExpressionOperators. |
|
| LogicalExpressionVisitor
A visitor for expression plans. |
|
| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan.logical.relational | |
|---|---|
| LogicalExpressionPlan
A plan containing LogicalExpressionOperators. |
|
| ProjectExpression
Projection of columns in an expression. |
|
| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan.logical.rules | |
|---|---|
| LogicalExpressionPlan
A plan containing LogicalExpressionOperators. |
|
| LogicalExpressionVisitor
A visitor for expression plans. |
|
| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.newplan.logical.visitor | |
|---|---|
| AddExpression
Add Operator |
|
| AndExpression
Boolean and expression. |
|
| BinCondExpression
|
|
| CastExpression
|
|
| DereferenceExpression
get one or elements out of a tuple or a bag in case of Tuple( a#2:int, b#3:bag{ b_a#4:int, b_b#5:float }, c#6:int ) # 1 (the number after # represents the uid) Dereference ( 0 ) --> a:int - dereference of single column in a tuple gives the field Dereference ( 0,2 ) --> Tuple(a#2:int, c#6:int) #7 - dereference of more than one column gives a tuple Dereference ( 1 ) --> Dereference ( 1 ) --> b:bag{b_b#5:float}#8 - dereference of a bag gives a bag |
|
| DivideExpression
Divide Operator |
|
| EqualExpression
Equality test expression. |
|
| GreaterThanEqualExpression
|
|
| GreaterThanExpression
|
|
| LessThanEqualExpression
|
|
| LessThanExpression
|
|
| LogicalExpressionPlan
A plan containing LogicalExpressionOperators. |
|
| LogicalExpressionVisitor
A visitor for expression plans. |
|
| MapLookupExpression
|
|
| ModExpression
Mod Operator |
|
| MultiplyExpression
Multiply Operator |
|
| NegativeExpression
|
|
| NotEqualExpression
NotEquality test expression. |
|
| NotExpression
|
|
| OrExpression
Boolean OR Expression |
|
| RegexExpression
Regex Operator |
|
| SubtractExpression
Subtract Operator |
|
| UserFuncExpression
|
|
| Classes in org.apache.pig.newplan.logical.expression used by org.apache.pig.parser | |
|---|---|
| LogicalExpression
Logical representation of expression operators. |
|
| ScalarExpression
|
|
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