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Class org.apache.pig.newplan.logical.expression.ProjectExpression

Added Constructors
ProjectExpression(OperatorPlan, int, String, LogicalRelationalOperator) Adds projection to the plan.
ProjectExpression(OperatorPlan, int, LogicalRelationalOperator) Constructor for range projection Adds projection to the plan.
ProjectExpression(ProjectExpression, OperatorPlan) like a copy constructor but with a plan argument
 

Added Methods
String getColAlias()  
int getEndCol() @return the endCol
int getStartCol() @return the startCol
boolean isRangeOrStarProject()  
boolean isRangeProject()  
void setColumnNumberFromAlias() If there is an alias finds the column number from it.
void setEndAlias(String) @param endAlias
void setEndCol(int) @param endCol the endCol to set
void setStartAlias(String) @param startAlias
void setStartCol(int) @param startCol the startCol to set