Package org.apache.drill.exec.physical.impl.project

Interface Summary

Interface	Description
Projector

Class Summary

Class	Description
ComplexToJsonBatchCreator
OutputSizeEstimateConstants
OutputWidthExpression	OutputWidthExpressions are used to capture the information required to calculate the width of the output produced by a variable-width expression.
OutputWidthExpression.FixedLenExpr	Used to represent fixed-width values used in an expression.
OutputWidthExpression.FunctionCallExpr	FunctionCallExpr captures the details required to calculate the width of the output produced by a function that produces variable-width output.
OutputWidthExpression.IfElseWidthExpr	IfElseWidthExpr is uded to capture an IfExpression.
OutputWidthExpression.VarLenReadExpr	VarLenReadExpr captures the inputColumnName and the readExpression used to read a variable length column.
OutputWidthVisitor
OutputWidthVisitorState
ProjectBatchBuilder	Implements callbacks to build the physical vectors for the project record batch.
ProjectBatchCreator
ProjectMemoryManager	ProjectMemoryManager(PMM) is used to estimate the size of rows produced by ProjectRecordBatch.
ProjectMemoryManager.VariableWidthColumnInfo
ProjectorTemplate
ProjectRecordBatch
TestProjectEmitOutcome
TestSimpleProjection