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[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

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This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
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27
src/observer/ob_inner_sql_connection.cpp
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@ -949,7 +949,8 @@ int ObInnerSQLConnection::execute(ParamStore &params,
ObVirtualTableIteratorFactory *vt_iter_factory,
bool is_from_pl,
bool is_dynamic,
bool is_forall)
bool is_forall,
int64_t array_binding_count)
{
int ret = OB_SUCCESS;
ObExecRecord exec_record;
@ -1037,15 +1038,9 @@ int ObInnerSQLConnection::execute(ParamStore &params,
if (enable_sql_audit) {
exec_record.record_start();
}
if (is_forall) {
const ObSqlArrayObj *array_obj = NULL;
CK (params.count() > 0);
CK (params.at(0).is_ext_sql_array());
CK (OB_NOT_NULL(array_obj = reinterpret_cast<const ObSqlArrayObj*>(params.at(0).get_ext())));
if (OB_SUCC(ret)) {
res.sql_ctx().multi_stmt_item_.set_ps_mode(true);
res.sql_ctx().multi_stmt_item_.set_ab_cnt(array_obj->count_);
}
if (OB_SUCC(ret) && is_forall) {
res.sql_ctx().multi_stmt_item_.set_ps_mode(true);
res.sql_ctx().multi_stmt_item_.set_ab_cnt(array_binding_count);
}
const uint64_t tenant_id = get_session().get_effective_tenant_id();
@ -2259,7 +2254,8 @@ int ObInnerSQLConnection::execute(const uint64_t tenant_id,
ObISQLClient::ReadResult &res,
bool is_from_pl,
bool is_dynamic,
bool is_forall)
bool is_forall,
int64_t array_binding_count)
{
int ret = OB_SUCCESS;
FLTSpanGuard(inner_execute);
@ -2301,7 +2297,7 @@ int ObInnerSQLConnection::execute(const uint64_t tenant_id,
get_session().store_query_string(ps_info->get_ps_sql());
if (OB_FAIL(execute(params, read_ctx->get_result(), &read_ctx->get_vt_iter_factory(),
is_from_pl, is_dynamic, is_forall))) {
is_from_pl, is_dynamic, is_forall, array_binding_count))) {
LOG_WARN("execute sql failed", K(ret), K(tenant_id), K(stmt_id));
}
}
@ -2493,8 +2489,6 @@ int ObInnerSQLConnection::get_session_variable(const ObString &name, int64_t &va
if (!inited_) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (0 == name.case_compare("ob_read_snapshot_version")) { //fake system variable
val = get_session().get_read_snapshot_version();
} else if (0 == name.case_compare("tx_isolation")) {
// 隔离级别是一个varchar值
ObObj obj;
@ -2516,11 +2510,6 @@ int ObInnerSQLConnection::set_session_variable(const ObString &name, int64_t val
if (!inited_) {
ret = OB_NOT_INIT;
LOG_WARN("not init", K(ret));
} else if (0 == name.case_compare("ob_read_snapshot_version")) { //fake system variable
if (val > 0) {
LOG_INFO("inner sql with read snapshot version", K(name), K(val));
}
(void)get_session().set_read_snapshot_version(val);
} else if (0 == name.case_compare("ob_check_sys_variable")) { // fake system variable
if (0 == val) {
LOG_TRACE("disable inner sql check sys variable");