func (b *executorBuilder) buildSort(v *plan.Sort) Executor {
src := b.build(v.GetChildByIndex(0))
e := &SortExec{
Src: src,
ByItems: v.ByItems,
ctx: b.ctx,
Limit: v.ExecLimit,
}
return e
}
func (b *executorBuilder) buildSort(v *plan.Sort) Executor {
src := b.build(v.GetChildByIndex(0))
if v.ExecLimit != nil {
return &TopnExec{
SortExec: SortExec{
Src: src,
ByItems: v.ByItems,
ctx: b.ctx,
schema: v.GetSchema()},
limit: v.ExecLimit,
}
}
return &SortExec{
Src: src,
ByItems: v.ByItems,
ctx: b.ctx,
schema: v.GetSchema(),
}
}