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[FEAT MERGE] merge transfer

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Co-authored-by: wxhwang <wxhwang@126.com>
Co-authored-by: godyangfight <godyangfight@gmail.com>
Co-authored-by: Tyshawn <tuyunshan@gmail.com>
This commit is contained in:
xuhuleon
2023-06-21 11:42:26 +00:00
committed by ob-robot
parent d06678002e
commit 9dae112952
1280 changed files with 149724 additions and 48813 deletions
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104
src/sql/ob_sql_trans_control.cpp
View File

@ -37,6 +37,8 @@
#include "observer/ob_server.h"
#include "storage/tx/wrs/ob_weak_read_util.h" //ObWeakReadUtil
#include "storage/tx_storage/ob_ls_service.h"
#include "storage/ls/ob_ls_get_mod.h"
#include "storage/tablet/ob_tablet.h"
#include "sql/das/ob_das_dml_ctx_define.h"
#include "share/deadlock/ob_deadlock_detector_mgr.h"
@ -675,24 +677,32 @@ int ObSqlTransControl::stmt_setup_snapshot_(ObSQLSessionInfo *session,
} else {
auto &tx_desc = *session->get_tx_desc();
int64_t stmt_expire_ts = get_stmt_expire_ts(plan_ctx, *session);
share::ObLSID local_ls_id;
bool local_single_ls_plan = plan->is_local_plan()
&& OB_PHY_PLAN_LOCAL == plan->get_location_type()
&& das_ctx.has_same_lsid(&local_ls_id);
if (local_single_ls_plan) {
ret = txs->get_ls_read_snapshot(tx_desc,
session->get_tx_isolation(),
local_ls_id,
stmt_expire_ts,
snapshot);
} else {
share::ObLSID first_ls_id;
bool local_single_ls_plan = false;
const bool local_single_ls_plan_maybe = plan->is_local_plan() &&
OB_PHY_PLAN_LOCAL == plan->get_location_type() &&
!tx_desc.is_can_elr();
if (local_single_ls_plan_maybe) {
if (OB_FAIL(get_first_lsid(das_ctx, first_ls_id))) {
} else if (!first_ls_id.is_valid()) {
// do nothing
} else if (OB_FAIL(txs->get_ls_read_snapshot(tx_desc,
session->get_tx_isolation(),
first_ls_id,
stmt_expire_ts,
snapshot))) {
} else {
local_single_ls_plan = has_same_lsid(das_ctx, snapshot.core_.version_, first_ls_id);
}
}
if (OB_SUCC(ret) && !local_single_ls_plan) {
ret = txs->get_read_snapshot(tx_desc,
session->get_tx_isolation(),
stmt_expire_ts,
snapshot);
}
if (OB_FAIL(ret)) {
LOG_WARN("fail to get snapshot", K(ret), K(local_ls_id), KPC(session));
LOG_WARN("fail to get snapshot", K(ret), K(local_single_ls_plan), K(first_ls_id), KPC(session));
}
}
return ret;
@ -767,6 +777,76 @@ uint32_t ObSqlTransControl::get_real_session_id(ObSQLSessionInfo &session)
return session.get_xid().empty() ? 0 : (session.get_proxy_sessid() != 0 ? session.get_proxy_sessid() : session.get_sessid());
}
int ObSqlTransControl::get_first_lsid(const ObDASCtx &das_ctx, share::ObLSID &first_lsid)
{
int ret = OB_SUCCESS;
const DASTableLocList &table_locs = das_ctx.get_table_loc_list();
if (!table_locs.empty()) {
const ObDASTableLoc *first_table_loc = table_locs.get_first();
const DASTabletLocList &tablet_locs = first_table_loc->get_tablet_locs();
if (!tablet_locs.empty()) {
const ObDASTabletLoc *tablet_loc = tablet_locs.get_first();
first_lsid = tablet_loc->ls_id_;
}
}
return ret;
}
bool ObSqlTransControl::has_same_lsid(const ObDASCtx &das_ctx,
const share::SCN &snapshot_version,
share::ObLSID &first_lsid)
{
int ret = OB_SUCCESS;
bool bret = true;
ObLSHandle ls_handle;
const DASTableLocList &table_locs = das_ctx.get_table_loc_list();
FOREACH_X(table_node, table_locs, bret) {
ObDASTableLoc *table_loc = *table_node;
for (DASTabletLocListIter tablet_node = table_loc->tablet_locs_begin();
bret && tablet_node != table_loc->tablet_locs_end(); ++tablet_node) {
ObDASTabletLoc *tablet_loc = *tablet_node;
const ObTabletID tablet_id = tablet_loc->tablet_id_;
if (first_lsid != tablet_loc->ls_id_) {
bret = false;
}
if (bret && !ls_handle.is_valid()) {
ObLSService *ls_svr = NULL;
if (OB_ISNULL(ls_svr = MTL(ObLSService *))) {
bret = false;
} else if (OB_FAIL(ls_svr->get_ls(first_lsid, ls_handle, ObLSGetMod::TRANS_MOD))) {
bret = false;
} else {
// do nothing
}
}
if (bret) {
ObLS *ls = NULL;
ObLSTabletService *ls_tablet_service = NULL;
if (OB_ISNULL(ls = ls_handle.get_ls())) {
bret = false;
} else if (OB_ISNULL(ls_tablet_service = ls->get_tablet_svr())) {
bret = false;
} else {
ObTablet *tablet = NULL;
ObTabletHandle tablet_handle;
if (OB_FAIL(ls_tablet_service->get_tablet(tablet_id, tablet_handle, 100 * 1000))) {
bret = false;
} else if (OB_ISNULL(tablet = tablet_handle.get_obj())) {
bret = false;
} else if (!tablet->get_tablet_meta().transfer_info_.is_valid()) {
bret = false;
} else if (tablet->get_tablet_meta().transfer_info_.transfer_start_scn_ >= snapshot_version) {
bret = false;
} else {
// do nothing
}
}
}
}
}
return bret;
}
int ObSqlTransControl::start_hook_if_need_(ObSQLSessionInfo &session,
transaction::ObTransService *txs,
bool &start_hook)