hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

[CP] [CP] [CP] support sql_id level cache evict

Browse Source
This commit is contained in:
obdev
2022-05-16 20:37:47 +08:00
committed by wangzelin.wzl
parent 92f008a9a9
commit bc1f0c4d8d
17 changed files with 490 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/sql/plan_cache/ob_pcv_set.cpp
View File

@ -68,15 +68,23 @@ void ObPCVSet::destroy()
pcv = NULL;
}
}
// free key.
if (NULL != pc_alloc_) {
//free key.
pc_key_.destory(*pc_alloc_);
pc_key_.reset();
if (NULL != sql_.ptr()) {
pc_alloc_->free(sql_.ptr());
}
// free sql_id list
for (int64_t i = 0; i < sql_ids_.count(); i++) {
if (NULL != sql_ids_[i].ptr()) {
pc_alloc_->free(sql_ids_[i].ptr());
}
}
}
sql_ids_.reset();
sql_.reset();
plan_cache_ = NULL;
pc_alloc_ = NULL;
@ -226,6 +234,7 @@ int ObPCVSet::add_cache_obj(ObCacheObject* cache_obj, ObPlanCacheCtx& pc_ctx)
LOG_WARN("fail to match pcv in pcv_set", K(ret));
} else if (is_same) {
is_new = false;
LOG_INFO("has identical pcv", K(is_same), K(pcv));
if (OB_FAIL(pcv->add_plan(*cache_obj, schema_array, pc_ctx))) {
if (OB_SQL_PC_PLAN_DUPLICATE == ret || is_not_supported_err(ret)) {
LOG_DEBUG("fail to add plan to pcv", K(ret));
@ -237,7 +246,6 @@ int ObPCVSet::add_cache_obj(ObCacheObject* cache_obj, ObPlanCacheCtx& pc_ctx)
}
} // for end
}
if (OB_SUCC(ret) && is_new) {
ObPlanCacheValue* pcv = NULL;
if (OB_FAIL(create_pcv_and_add_plan(cache_obj, pc_ctx, schema_array, pcv))) {
@ -277,8 +285,11 @@ int ObPCVSet::create_pcv_and_add_plan(ObCacheObject* cache_obj, ObPlanCacheCtx&
{
int ret = OB_SUCCESS;
new_pcv = nullptr;
// create pcv and init
if (OB_ISNULL(cache_obj) || OB_ISNULL(pc_ctx.sql_ctx_.schema_guard_)) {
common::ObString sql_id;
common::ObString sql_id_org(common::OB_MAX_SQL_ID_LENGTH, (const char*)&pc_ctx.sql_ctx_.sql_id_);
//create pcv and init
if (OB_ISNULL(cache_obj) ||
OB_ISNULL(pc_ctx.sql_ctx_.schema_guard_)) {
ret = OB_INVALID_ARGUMENT;
SQL_PC_LOG(WARN, "invalid argument", K(ret));
} else if (OB_FAIL(create_new_pcv(new_pcv))) {
@ -288,6 +299,10 @@ int ObPCVSet::create_pcv_and_add_plan(ObCacheObject* cache_obj, ObPlanCacheCtx&
LOG_WARN("unexpected null for new_pcv", K(new_pcv));
} else if (OB_FAIL(new_pcv->init(this, cache_obj, pc_ctx))) {
SQL_PC_LOG(WARN, "failed to init plan cache value");
} else if (OB_FAIL(ob_write_string(*pc_alloc_, sql_id_org, sql_id))) {
SQL_PC_LOG(WARN, "failed to deep copy sql_id_", K(sql_id_org), K(ret));
} else if (OB_FAIL(push_sql_id(sql_id))) {
SQL_PC_LOG(WARN, "failed to push sql_id_", K(ret));
} else {
// do nothing
}