Name | Description | Type | Package | Framework |
CastLineageSetter | Find uid lineage information. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
ColumnAliasConversionVisitor | Logical plan visitor which will convert all column alias references to column indexes, using the underlying anonymous expression plan visitor. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
LineageFindRelVisitor | Create mapping between uid and Load FuncSpec when the LogicalExpression associated with it is known to hold an unmodified element of data returned | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
ProjectStarExpander | A visitor to walk operators that contain a nested plan and translate project( * ) operators to a list of projection operators, i. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
ProjectStarExpanderUtil | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
ProjStarInUdfExpander | Expand project-star or project-range when used as udf argument. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
ScalarVariableValidator | This validator checks the correctness of use of scalar variables in logical operators. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
ScalarVariableValidator .ProjectFinder | Class | org.apache.pig.newplan.logical.visitor.ScalarVariableValidator | Apache Pig | |
ScalarVisitor | Logical plan visitor which handles scalar projections. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |
SchemaAliasVisitor | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
SortInfoSetter | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
StoreAliasSetter | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
TypeCheckingExpVisitor | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
TypeCheckingRelVisitor | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
UDFFinder | Class | org.apache.pig.newplan.logical.visitor | Apache Pig | |
UnionOnSchemaSetter | A visitor that modifies the logical plan (if necessary) for union-onschema functionality. | Class | org.apache.pig.newplan.logical.visitor | Apache Pig |