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[CP] use optimizer_features_enable system variable and optimizer_features_enable hint to control optimizer behaviors

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obdev
2024-02-09 14:31:41 +00:00
committed by ob-robot
parent d1a8a16e05
commit c5a5b18553
17 changed files with 153 additions and 108 deletions
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11
src/sql/resolver/dml/ob_sql_hint.cpp
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@ -228,9 +228,11 @@ int ObQueryHint::check_and_set_params_from_hint(const ObResolverParams &params,
int ret = OB_SUCCESS;
const ObSQLSessionInfo *session_info = NULL;
bool has_enable_param = false;
if (OB_ISNULL(session_info = params.session_info_)) {
ObQueryCtx *query_ctx = NULL;
if (OB_ISNULL(session_info = params.session_info_)
|| OB_ISNULL(query_ctx = params.query_ctx_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret), K(session_info));
LOG_WARN("unexpected null", K(ret), K(session_info), K(query_ctx));
} else if (T_NONE_SCOPE != params.hidden_column_scope_ &&
OB_FAIL(global_hint_.opt_params_.has_enable_opt_param(ObOptParamHint::OptParamType::HIDDEN_COLUMN_VISIBLE, has_enable_param))) {
LOG_WARN("failed to check has enable opt param", K(ret));
@ -247,6 +249,11 @@ int ObQueryHint::check_and_set_params_from_hint(const ObResolverParams &params,
if (global_hint_.query_timeout_ > 0) {
THIS_WORKER.set_timeout_ts(session_info->get_query_start_time() + global_hint_.query_timeout_);
}
if (global_hint_.has_valid_opt_features_version()) {
query_ctx->optimizer_features_enable_version_ = global_hint_.opt_features_version_;
} else if (OB_FAIL(session_info->get_optimizer_features_enable_version(query_ctx->optimizer_features_enable_version_))) {
LOG_WARN("failed to check ddl schema version", K(ret));
}
}
return ret;
}