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

[FEAT MERGE] support auto dop

Browse Source
This commit is contained in:
obdev
2023-04-28 15:11:52 +00:00
committed by ob-robot
parent 642f1c7d84
commit b41dc0ebdd
106 changed files with 3815 additions and 2844 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/sql/ob_sql_define.h
View File

@ -506,37 +506,52 @@ enum DominateRelation
// https://docs.oracle.com/cd/E11882_01/server.112/e41573/hintsref.htm#PFGRF94937
enum PXParallelRule
{
NOT_USE_PX = 0, // Plan执行不使用PX框架
USE_PX_DEFAULT, // Plan执行使用PX框架，使用默认方式
USE_PX_DEFAULT = 0, // default disable parallel
MANUAL_HINT, // /*+ parallel(3) */
MANUAL_TABLE_HINT, // /*+ parallel(t1 3) */
SESSION_FORCE_PARALLEL, // alter session force parallel query parallel 3;
MANUAL_TABLE_DOP, // create table t1 (...) parallel 3;
AUTO_DOP, // /*+ parallel(auto) */ or alter session set parallel_degree_policy = 'auto';
// force disable parallel below
PL_UDF_DAS_FORCE_SERIALIZE, //stmt has_pl_udf will use das, force serialize;
DBLINK_FORCE_SERIALIZE, //stmt has dblink will use das, force seialize;
MAX_OPTION
};
inline const char *ob_px_parallel_rule_str(PXParallelRule px_parallel_ruel)
{
const char *ret = "NOT_USE_PX";
const char *ret = "USE_PX_DEFAULT";
static const char *parallel_rule_type_to_str[] =
{
"NOT_USE_PX",
"USE_PX_DEFAULT",
"MANUAL_HINT",
"MANUAL_TABLE_HINT",
"SESSION_FORCE_PARALLEL",
"MANUAL_TABLE_DOP",
"AUTO_DOP",
"PL_UDF_DAS_FORCE_SERIALIZE",
"DBLINK_FORCE_SERIALIZE",
"MAX_OPTION",
};
if (OB_LIKELY(px_parallel_ruel >= NOT_USE_PX)
if (OB_LIKELY(px_parallel_ruel >= USE_PX_DEFAULT)
&& OB_LIKELY(px_parallel_ruel <= MAX_OPTION)) {
ret = parallel_rule_type_to_str[px_parallel_ruel];
}
return ret;
}
static const int64_t PDML_DOP_LIMIT_PER_PARTITION = 10;
static const int64_t ROW_COUNT_THRESHOLD_PER_DOP = 10000; // zhanyuetodo: need adjust this by test
enum OpParallelRule
{
OP_GLOBAL_DOP = 0, /* use DOP from global parallel rule except MANUAL_TABLE_DOP or AUTO_DOP */
OP_DAS_DOP, /*+ DAS use DOP = 1 */
OP_HINT_DOP, /* use parallel hint for table: parallel(t1, 3) */
OP_TABLE_DOP, /*+ use table parallel property: create table t1 (...) parallel 3; */
OP_AUTO_DOP, /*+ DOP is calculated by AUTO_DOP */
OP_INHERIT_DOP, /*+ inherited from other op or determined by other op in the same DFO */
OP_DOP_RULE_MAX
};
typedef common::ObDmlEventType ObDmlEventType;
enum MayAddIntervalPart {