com.facebook.presto.spi.relation

Interface ExpressionOptimizer

public interface ExpressionOptimizer

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ExpressionOptimizer.Level

Method Summary

Modifier and Type	Method and Description
RowExpression	optimize(RowExpression rowExpression, ExpressionOptimizer.Level level, ConnectorSession session) Optimize a RowExpression to
Object	optimize(RowExpression expression, ExpressionOptimizer.Level level, ConnectorSession session, Function<VariableReferenceExpression,Object> variableResolver)

Method Detail

optimize

RowExpression optimize(RowExpression rowExpression,
                       ExpressionOptimizer.Level level,
                       ConnectorSession session)

Optimize a RowExpression to

optimize

Object optimize(RowExpression expression,
                ExpressionOptimizer.Level level,
                ConnectorSession session,
                Function<VariableReferenceExpression,Object> variableResolver)