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

[FEAT MERGE]:develop pl feature of 4.2 version

Browse Source 
Co-authored-by: LiuYoung00 <liuyanglo_ol@163.com>
Co-authored-by: 0xacc <heyongyi1998@gmail.com>
Co-authored-by: seuwebber <webber_code@163.com>
This commit is contained in:
obdev
2023-04-27 16:08:10 +08:00
committed by ob-robot
parent 8e9c9d0c5f
commit 57f1c6e7ee
92 changed files with 3534 additions and 1304 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/sql/optimizer/ob_optimizer.cpp
View File

@ -512,7 +512,7 @@ int ObOptimizer::check_pdml_supported_feature(const ObDMLStmt &stmt,
} else if (stmt_has_dblink) {
is_use_pdml = false;
ctx_.set_has_dblink(true);
} else if (ctx_.contain_user_nested_sql()) {
} else if (!ctx_.has_trigger() && ctx_.contain_user_nested_sql()) {
//user nested sql can't use PDML plan, force to use DAS plan
//if online ddl has pl udf, only this way, allow it use PDML plan
//such as:
@ -521,6 +521,11 @@ int ObOptimizer::check_pdml_supported_feature(const ObDMLStmt &stmt,
//create index with PL UDF allow to use PDML plan during build index table
is_use_pdml = false;
ctx_.add_plan_note(PDML_DISABLED_BY_NESTED_SQL);
} else if (ctx_.has_trigger() && !ctx_.is_allow_parallel_trigger()) {
// if sql linked trigger, and trigger do not access package var, sequence, sql stmt etc..,
// allow it use PDML plan
is_use_pdml = false;
ctx_.add_plan_note(PDML_DISABLED_BY_NESTED_SQL);
} else if (stmt::T_DELETE == stmt.get_stmt_type()) {
//
// if no trigger, no foreign key, delete can do pdml, even if with local unique index
@ -758,7 +763,7 @@ int ObOptimizer::check_whether_contain_nested_sql(const ObDMLStmt &stmt)
{
int ret = OB_SUCCESS;
const ObDelUpdStmt *del_upd_stmt = nullptr;
if (stmt.get_query_ctx()->has_pl_udf_) {
if (stmt.get_query_ctx()->disable_udf_parallel_) {
ctx_.set_has_pl_udf(true);
}
if (ObSQLUtils::is_nested_sql(ctx_.get_exec_ctx())) {
@ -775,6 +780,7 @@ int ObOptimizer::check_whether_contain_nested_sql(const ObDMLStmt &stmt)
const ObTableSchema *table_schema = nullptr;
ObSQLSessionInfo *session = ctx_.get_session_info();
bool trigger_exists = false;
bool is_forbid_parallel = false;
if (OB_ISNULL(table_info) || OB_ISNULL(schema_guard) || OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("sql schema guard is nullptr", K(ret), K(table_info), K(schema_guard), K(session));
@ -793,6 +799,13 @@ int ObOptimizer::check_whether_contain_nested_sql(const ObDMLStmt &stmt)
ctx_.set_has_trigger(true);
}
}
if (OB_SUCC(ret) && trigger_exists) {
if (OB_FAIL(table_schema->is_allow_parallel_of_trigger(*schema_guard, is_forbid_parallel))) {
LOG_WARN("check allow parallel failed", K(ret));
} else if (!is_forbid_parallel) {
ctx_.set_allow_parallel_trigger(true);
}
}
}
}
return ret;