to issue<48907696>:fix udf containing complex type execute slow issue

This commit is contained in:
obdev 2023-04-13 07:25:34 +00:00 committed by ob-robot
parent 7fca017f19
commit b14bad1f09
3 changed files with 20 additions and 29 deletions

View File

@ -200,6 +200,19 @@ void ObPLCtx::reset_obj()
objects_.reset();
}
void ObPLCtx::reset_obj_range_to_end(int64_t index)
{
int tmp_ret = OB_SUCCESS;
if (index < objects_.count() && index >= 0) {
for (int64_t i = objects_.count() - 1; i >= index; i--) {
if (OB_SUCCESS != (tmp_ret = ObUserDefinedType::destruct_obj(objects_.at(i)))) {
LOG_WARN_RET(tmp_ret, "failed to destruct pl object", K(i), K(tmp_ret));
}
objects_.pop_back();
}
}
}
ObPLCtx::~ObPLCtx()
{
reset_obj();

View File

@ -703,6 +703,7 @@ public:
objects_.reset();
}
void reset_obj();
void reset_obj_range_to_end(int64_t index);
common::ObIArray<ObObj>& get_objects() { return objects_; }
private:
// 用于收集在PL执行过程中使用到的Allocator,
@ -712,31 +713,6 @@ private:
ObSEArray<ObObj, 32> objects_;
};
class ObPLCtxGuard
{
public:
ObPLCtxGuard(ObPLCtx *ctx, int& ret) : ctx_(ctx), ret_(ret) {
if (OB_SUCCESS == ret_ && OB_NOT_NULL(ctx)) {
ret_ = objects_.assign(ctx->get_objects());
ctx_->clear();
}
}
~ObPLCtxGuard() {
if (OB_SUCCESS == ret_ && OB_NOT_NULL(ctx_)) {
for (int64_t i = 0; OB_SUCCESS == ret_ && i < objects_.count(); ++i) {
ret_ = ctx_->add(objects_.at(i));
}
}
}
private:
ObPLCtx *ctx_;
int &ret_;
ObSEArray<ObObj, 4> objects_;
};
class ObPLPackageGuard;
#define IDX_PLEXECCTX_VTABLE 0

View File

@ -444,10 +444,12 @@ int ObExprUDF::eval_udf(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
session->set_start_stmt();
}
pl::ObPLCtxGuard guard(ctx.exec_ctx_.get_pl_ctx(), ret);
ObEvalCtx::TempAllocGuard memory_guard(ctx);
ObArenaAllocator &allocator = memory_guard.get_allocator();
int64_t cur_obj_count = 0;
if (OB_NOT_NULL(ctx.exec_ctx_.get_pl_ctx())) {
cur_obj_count = ctx.exec_ctx_.get_pl_ctx()->get_objects().count();
}
ObObj *objs = nullptr;
if (expr.arg_cnt_ > 0) {
@ -505,11 +507,11 @@ int ObExprUDF::eval_udf(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
OZ (pl::ObUserDefinedType::deep_copy_obj(alloc, tmp_result, result, true));
OZ (pl::ObUserDefinedType::destruct_obj(tmp_result, ctx.exec_ctx_.get_my_session()));
CK (OB_NOT_NULL(ctx.exec_ctx_.get_pl_ctx()));
OX (ctx.exec_ctx_.get_pl_ctx()->reset_obj());
OX (ctx.exec_ctx_.get_pl_ctx()->reset_obj_range_to_end(cur_obj_count));
OZ (ctx.exec_ctx_.get_pl_ctx()->add(result));
} else {
result = tmp_result;
OX (ctx.exec_ctx_.get_pl_ctx()->reset_obj());
OX (ctx.exec_ctx_.get_pl_ctx()->reset_obj_range_to_end(cur_obj_count));
}
} else {
result = tmp_result;