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[FEAT MERGE]优化器技术改造

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Co-authored-by: JinmaoLi <ljm.csmaster@gmail.com>
Co-authored-by: jingtaoye35 <1255153887@qq.com>
Co-authored-by: chimyue <chimyue@gmail.com>
This commit is contained in:
zzg19950727
2024-11-19 13:14:39 +00:00
committed by ob-robot
parent dab7652eee
commit 8aff09f2cd
226 changed files with 15647 additions and 9415 deletions
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33
src/sql/ob_sql.cpp
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@ -3023,10 +3023,10 @@ int ObSql::generate_stmt(ParseResult &parse_result,
if (OB_SUCC(ret)) {
// set # of question marks
if (context.is_prepare_protocol_ && !context.is_prepare_stage_) {
resolver_ctx.query_ctx_->question_marks_count_ = plan_ctx->get_param_store().count();
resolver_ctx.query_ctx_->set_questionmark_count(plan_ctx->get_param_store().count());
LOG_DEBUG("question mark size is ", K(plan_ctx->get_param_store()));
} else {
resolver_ctx.query_ctx_->question_marks_count_ = static_cast<int64_t> (parse_result.question_mark_ctx_.count_);
resolver_ctx.query_ctx_->set_questionmark_count(static_cast<int64_t>(parse_result.question_mark_ctx_.count_));
LOG_DEBUG("question mark size is ", K(parse_result.question_mark_ctx_.count_));
}
@ -4420,6 +4420,8 @@ int ObSql::parser_and_check(const ObString &outlined_stmt,
ObPhysicalPlanCtx *pctx = exec_ctx.get_physical_plan_ctx();
bool is_stack_overflow = false;
bool is_show_variables = false;
bool is_explain_parameterize = false;
stmt::StmtType stmt_type = stmt::T_NONE;
if (OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("session is null", K(ret));
@ -4530,6 +4532,17 @@ int ObSql::parser_and_check(const ObString &outlined_stmt,
}
}
}
if (OB_SUCC(ret) && stmt::T_EXPLAIN == stmt_type) {
#ifndef OB_BUILD_SPM
if (OB_SQL_PC_NOT_EXIST == get_plan_err) {
#else
if (OB_SQL_PC_NOT_EXIST == get_plan_err || pc_ctx.sql_ctx_.spm_ctx_.is_retry_for_spm_) {
#endif
is_explain_parameterize = true;
} else {
is_explain_parameterize = false;
}
}
}
}
}
@ -4567,10 +4580,11 @@ int ObSql::parser_and_check(const ObString &outlined_stmt,
//对于create outline限流语句，可能会带有问题。我们需要对?做特殊处理,
//所以也需要经过transform_systax_tree
bool flag = false;
if ((add_plan_to_pc && !is_show_variables)
|| ((T_CREATE_OUTLINE == parse_result.result_tree_->children_[0]->type_
|| T_ALTER_OUTLINE == parse_result.result_tree_->children_[0]->type_)
&& (INT64_MAX != parse_result.result_tree_->children_[0]->value_))) {
if ((add_plan_to_pc && !is_show_variables) ||
is_explain_parameterize ||
((T_CREATE_OUTLINE == parse_result.result_tree_->children_[0]->type_ ||
T_ALTER_OUTLINE == parse_result.result_tree_->children_[0]->type_) &&
(INT64_MAX != parse_result.result_tree_->children_[0]->value_))) {
flag = true;
if (T_CREATE_OUTLINE == parse_result.result_tree_->children_[0]->type_) {
if (1 != parse_result.result_tree_->children_[0]->children_[2]->value_) {
@ -5232,9 +5246,10 @@ OB_NOINLINE int ObSql::handle_physical_plan(const ObString &trimed_stmt,
(void) ObSpmController::deny_new_plan_as_baseline(spm_ctx);
}
} else if (plan_added && ObSpmCacheCtx::SpmStat::STAT_ADD_BASELINE_PLAN == spm_ctx.spm_stat_) {
if (nullptr != spm_ctx.baseline_guard_.get_cache_obj() &&
static_cast<ObPlanBaselineItem*>(spm_ctx.baseline_guard_.get_cache_obj())->get_fixed()) {
// fixed baseline plan, use is directly
if ((nullptr != spm_ctx.baseline_guard_.get_cache_obj() &&
static_cast<ObPlanBaselineItem*>(spm_ctx.baseline_guard_.get_cache_obj())->get_fixed()) ||
SPM_MODE_BASELINE_FIRST == spm_ctx.spm_mode_) {
// fixed baseline plan or baseline first mode, use is directly
} else {
spm_ctx.spm_force_disable_ = true;
spm_ctx.spm_stat_ = ObSpmCacheCtx::STAT_FIRST_EXECUTE_PLAN;