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

dblink_write implement [FEAT MERGE]

Browse Source 
Co-authored-by: zzg19950727 <1071026277@qq.com>
Co-authored-by: xianyu-w <707512433@qq.com>
This commit is contained in:
obdev
2023-01-29 16:23:18 +08:00
committed by ob-robot
parent 195ab500ab
commit 814de27a42
226 changed files with 9602 additions and 4087 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/sql/optimizer/ob_del_upd_log_plan.cpp
View File

@ -17,8 +17,10 @@
#include "sql/optimizer/ob_log_insert.h"
#include "sql/optimizer/ob_log_update.h"
#include "sql/optimizer/ob_log_exchange.h"
#include "sql/optimizer/ob_log_link_dml.h"
#include "sql/resolver/dml/ob_merge_stmt.h"
#include "sql/rewrite/ob_transform_utils.h"
#include "sql/dblink/ob_dblink_utils.h"
using namespace oceanbase;
using namespace sql;
@ -31,7 +33,7 @@ using share::schema::ObTableSchema;
using share::schema::ObColumnSchemaV2;
using share::schema::ObSchemaGetterGuard;
int ObDelUpdLogPlan::generate_raw_plan()
int ObDelUpdLogPlan::generate_normal_raw_plan()
{
int ret = OB_SUCCESS;
/*do nothing*/
@ -92,6 +94,35 @@ int ObDelUpdLogPlan::prepare_dml_infos()
return OB_SUCCESS;
}
int ObDelUpdLogPlan::generate_dblink_raw_plan()
{
int ret = OB_SUCCESS;
const ObDelUpdStmt *stmt = get_stmt();
ObLogicalOperator *top = NULL;
if (OB_ISNULL(stmt)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null ptr", K(ret));
} else if (OB_FAIL(allocate_link_dml_as_top(top))) {
LOG_WARN("failed to allocate link dml as top", K(ret));
} else if (OB_FAIL(make_candidate_plans(top))) {
LOG_WARN("failed to make candidate plans", K(ret));
} else if (OB_FAIL(static_cast<ObLogLink *>(top)->set_link_stmt())) {
LOG_WARN("failed to set link stmt", K(ret));
} else {
set_plan_root(top);
bool has_reverse_link = false;
if (OB_FAIL(ObDblinkUtils::has_reverse_link(stmt, has_reverse_link))) {
LOG_WARN("failed to exec has_reverse_link", K(ret));
} else {
uint64_t dblink_id = stmt->get_dblink_id();
top->set_dblink_id(dblink_id);
static_cast<ObLogLinkDml *>(top)->set_reverse_link(has_reverse_link);
static_cast<ObLogLinkDml *>(top)->set_dml_type(stmt->get_stmt_type());
}
}
return ret;
}
// check_table_rowkey_distinct 从逻辑上看计划是否可能有一行数据被更新多次
// 如果有可能，则会产生一个 distinct 运算，以去重。去哪一行，未定义。
//
@ -2016,6 +2047,21 @@ int ObDelUpdLogPlan::check_update_part_key(const ObTableSchema* index_schema,
}
return ret;
}
int ObDelUpdLogPlan::allocate_link_dml_as_top(ObLogicalOperator *&old_top)
{
int ret = OB_SUCCESS;
ObLogLinkDml *link_dml = NULL;
if (OB_ISNULL(link_dml = static_cast<ObLogLinkDml *>(get_log_op_factory().
allocate(*this, LOG_LINK_DML)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate link dml operator", K(ret));
} else if (OB_FAIL(link_dml->compute_property())) {
LOG_WARN("failed to compute property", K(ret));
} else {
old_top = link_dml;
}
return ret;
}
int ObDelUpdLogPlan::is_direct_insert_into_select(bool &result)
{