logicaltrace

Documentation

Index

• func AppendByItemsPruneTraceStep(p base.LogicalPlan, prunedByItems []*util.ByItems, ...)
• func AppendColumnPruneTraceStep(p base.LogicalPlan, prunedColumns []*expression.Column, ...)
• func AppendFunctionPruneTraceStep(p base.LogicalPlan, prunedFunctions []*aggregation.AggFuncDesc, ...)
• func AppendGroupByItemsPruneTraceStep(p base.LogicalPlan, prunedGroupByItems []expression.Expression, ...)
• func ApplyEliminateTraceStep(lp base.LogicalPlan, opt *optimizetrace.LogicalOptimizeOp)

Functions

func AppendByItemsPruneTraceStep

func AppendByItemsPruneTraceStep(p base.LogicalPlan, prunedByItems []*util.ByItems,
	opt *optimizetrace.LogicalOptimizeOp)

AppendByItemsPruneTraceStep appends a trace step for group by pruning.

func AppendColumnPruneTraceStep

func AppendColumnPruneTraceStep(p base.LogicalPlan, prunedColumns []*expression.Column,
	opt *optimizetrace.LogicalOptimizeOp)

AppendColumnPruneTraceStep appends a trace step for column pruning.

func AppendFunctionPruneTraceStep

func AppendFunctionPruneTraceStep(p base.LogicalPlan, prunedFunctions []*aggregation.AggFuncDesc,
	opt *optimizetrace.LogicalOptimizeOp)

AppendFunctionPruneTraceStep appends a trace step for group by pruning.

func AppendGroupByItemsPruneTraceStep

func AppendGroupByItemsPruneTraceStep(p base.LogicalPlan, prunedGroupByItems []expression.Expression,
	opt *optimizetrace.LogicalOptimizeOp)

AppendGroupByItemsPruneTraceStep appends a trace step for group by pruning.

func ApplyEliminateTraceStep

func ApplyEliminateTraceStep(lp base.LogicalPlan, opt *optimizetrace.LogicalOptimizeOp)

ApplyEliminateTraceStep appends a trace step for aggregation pruning.