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[FEAT MERGE] Big Txn Execution Optimization

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This commit is contained in:
Handora
2023-01-06 09:12:22 +00:00
committed by ob-robot
parent 4dfd67d8fb
commit 561432c689
141 changed files with 7806 additions and 2574 deletions
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3
src/sql/ob_sql_trans_control.cpp
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@ -586,7 +586,10 @@ int ObSqlTransControl::stmt_setup_snapshot_(ObSQLSessionInfo *session,
} else if (plan->is_plain_insert()
&& session->get_tx_isolation() != ObTxIsolationLevel::SERIAL
&& session->get_tx_isolation() != ObTxIsolationLevel::RR) {
auto &tx_desc = *session->get_tx_desc();
snapshot.init_none_read();
snapshot.core_.tx_id_ = tx_desc.get_tx_id();
snapshot.core_.scn_ = common::ObSequence::get_max_seq_no();
} else {
auto &tx_desc = *session->get_tx_desc();
int64_t stmt_expire_ts = get_stmt_expire_ts(plan_ctx, *session);