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feat: add the rule to use-das when has variable assignments in sql

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Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
This commit is contained in:
obdev
2023-10-23 09:14:02 +00:00
committed by ob-robot
parent a46ee110fb
commit bacc417957
23 changed files with 170 additions and 18 deletions
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4
src/sql/plan_cache/ob_plan_cache_util.cpp
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@ -407,6 +407,7 @@ int ObConfigInfoInPC::load_influence_plan_config()
px_join_skew_handling_ = tenant_config->_px_join_skew_handling;
px_join_skew_minfreq_ = static_cast<int8_t>(tenant_config->_px_join_skew_minfreq);
min_cluster_version_ = GET_MIN_CLUSTER_VERSION();
enable_var_assign_use_das_ = tenant_config->_enable_var_assign_use_das;
}
return ret;
@ -453,6 +454,9 @@ int ObConfigInfoInPC::serialize_configs(char *buf, int buf_len, int64_t &pos)
} else if (OB_FAIL(databuff_printf(buf, buf_len, pos,
"%d", is_enable_px_fast_reclaim_))) {
SQL_PC_LOG(WARN, "failed to databuff_printf", K(ret), K(is_enable_px_fast_reclaim_));
} else if (OB_FAIL(databuff_printf(buf, buf_len, pos,
"%d", enable_var_assign_use_das_))) {
SQL_PC_LOG(WARN, "failed to databuff_printf", K(ret), K(enable_var_assign_use_das_));
} else {
// do nothing
}