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refine large size query range

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This commit is contained in:
zs0
2021-11-01 10:30:45 +08:00
committed by LINxiansheng
parent 766929ee4f
commit 9ff1baa323
27 changed files with 425 additions and 231 deletions
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20
src/sql/optimizer/ob_optimizer_util.cpp
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@ -5373,8 +5373,6 @@ int ObOptimizerUtil::check_pushdown_filter_for_set(ObSelectStmt& parent_stmt, Ob
K(child_select_list.count()),
K(parent_select_list.count()),
K(ret));
} else if (OB_FAIL(ObTransformUtils::replace_exprs(parent_select_list, child_select_list, pushdown_filters))) {
LOG_WARN("failed to replace expr", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && i < pushdown_filters.count(); ++i) {
ObSEArray<ObRawExpr*, 4> view_column_exprs;
@ -5382,6 +5380,10 @@ int ObOptimizerUtil::check_pushdown_filter_for_set(ObSelectStmt& parent_stmt, Ob
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpect null expr", K(ret));
} else if (OB_FAIL(ObTransformUtils::replace_expr(parent_select_list, child_select_list, expr))) {
SQL_LOG(WARN, "failed to replace expr", K(ret));
} else if (OB_FAIL(expr->extract_info())) {
LOG_WARN("failed to extract info", K(ret), K(*expr));
} else if (expr->has_flag(CNT_WINDOW_FUNC) || expr->has_flag(CNT_AGG) || expr->has_flag(CNT_SUB_QUERY)) {
ret = remain_filters.push_back(expr);
} else if (OB_FAIL(ObRawExprUtils::extract_column_exprs(expr, view_column_exprs))) {
@ -5391,12 +5393,16 @@ int ObOptimizerUtil::check_pushdown_filter_for_set(ObSelectStmt& parent_stmt, Ob
} else if (OB_FAIL(candi_filters.push_back(expr))) {
LOG_WARN("failed to push back predicate", K(ret));
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(ObTransformUtils::replace_expr(child_select_list, parent_select_list, expr))) {
SQL_LOG(WARN, "failed to replace expr", K(ret));
} else if (OB_FAIL(expr->extract_info())) {
LOG_WARN("failed to extract info", K(ret), K(*expr));
} else {
pushdown_filters.at(i) = expr;
}
}
if (OB_FAIL(ret)) {
// reset exprs for set
} else if (OB_FAIL(ObTransformUtils::replace_exprs(child_select_list, parent_select_list, pushdown_filters))) {
LOG_WARN("failed to replace expr", K(ret));
} else {
if (OB_SUCC(ret)) {
LOG_TRACE("success to check_pushdown_filter_for_set", K(pushdown_filters), K(candi_filters), K(remain_filters));
}
return ret;