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

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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
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25
src/sql/engine/cmd/ob_alter_system_executor.cpp
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@ -84,13 +84,34 @@ int ObFlushCacheExecutor::execute(ObExecContext& ctx, ObFlushCacheStmt& stmt)
int ret = OB_SUCCESS;
if (!stmt.is_global_) { // flush local
int64_t tenant_num = stmt.flush_cache_arg_.tenant_ids_.count();
int64_t db_num = stmt.flush_cache_arg_.db_ids_.count();
common::ObString sql_id = stmt.flush_cache_arg_.sql_id_;
switch (stmt.flush_cache_arg_.cache_type_) {
case CACHE_TYPE_PLAN: {
if (OB_ISNULL(ctx.get_plan_cache_manager())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("plan cache manager is null");
} else if (0 == tenant_num) {
ret = ctx.get_plan_cache_manager()->flush_all_plan_cache();
} else if (stmt.flush_cache_arg_.is_fine_grained_) {
// purge in sql_id level, aka. fine-grained plan evict
// we assume tenant_list must not be empty and this will be checked in resolve phase
if (0 == tenant_num) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected tenant_list in fine-grained plan evict", K(tenant_num));
} else {
for (int64_t i = 0; i < tenant_num; i++) { // ignore ret
int64_t t_id = stmt.flush_cache_arg_.tenant_ids_.at(i);
if (db_num == 0) { // not specified db_name, evcit all dbs
ret = GCTX.sql_engine_->get_plan_cache_manager()->flush_plan_cache_by_sql_id(t_id, OB_INVALID_ID, sql_id);
} else { // evict db by db
for(int64_t j = 0; j < db_num; j++) { // ignore ret
ret = GCTX.sql_engine_->get_plan_cache_manager()->flush_plan_cache_by_sql_id(
t_id, stmt.flush_cache_arg_.db_ids_.at(j), sql_id);
}
}
}
}
} else if (0 == tenant_num) { // purge in tenant level, aka. coarse-grained plan evict
ret = GCTX.sql_engine_->get_plan_cache_manager()->flush_all_plan_cache();
} else {
for (int64_t i = 0; i < tenant_num; ++i) { // ignore ret
ret = ctx.get_plan_cache_manager()->flush_plan_cache(stmt.flush_cache_arg_.tenant_ids_.at(i));