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PATCH bugfix to opensource branch

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This commit is contained in:
obdev
2021-07-19 22:33:13 +08:00
committed by wangzelin.wzl
parent 5b5c04ff49
commit e03cb03357
34 changed files with 1471 additions and 1150 deletions
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45
src/sql/rewrite/ob_transform_where_subquery_pullup.cpp
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@ -1095,7 +1095,9 @@ int ObWhereSubQueryPullup::pullup_correlated_subquery_as_view(
subquery->set_limit_offset(NULL, NULL);
}
if (OB_FAIL(subquery->get_select_exprs(right_hand_exprs))) {
if (OB_FAIL(ret)) {
// do nothing
} else if (OB_FAIL(subquery->get_select_exprs(right_hand_exprs))) {
LOG_WARN("failed to get select exprs", K(ret));
} else if (OB_FAIL(generate_conditions(stmt, right_hand_exprs, subquery, expr, new_conditions))) {
// create conditions with left_hand and subquery's original targetlist
@ -2048,15 +2050,19 @@ int ObWhereSubQueryPullup::generate_conditions(ObDMLStmt* stmt, ObIArray<ObRawEx
}
right_vector = row_expr;
}
if (OB_SUCC(ret) && OB_FAIL(ObRawExprUtils::create_double_op_expr(
*expr_factory, ctx_->session_info_, oper_type, cmp_expr, left_hand, right_vector))) {
LOG_WARN("failed to create comparison expr", K(ret));
} else if (!expr->has_flag(IS_WITH_ALL)) {
// do nothing
} else if (OB_FAIL(ObRawExprUtils::build_lnnvl_expr(*expr_factory, cmp_expr, lnnvl_expr))) {
LOG_WARN("failed to build lnnvl expr", K(ret));
} else {
cmp_expr = lnnvl_expr;
if (OB_SUCC(ret)) {
if (OB_FAIL(ObRawExprUtils::create_double_op_expr(
*expr_factory, ctx_->session_info_, oper_type,
cmp_expr, left_hand, right_vector))) {
LOG_WARN("failed to create comparison expr", K(ret));
} else if (!expr->has_flag(IS_WITH_ALL)) {
// do nothing
} else if (OB_FAIL(ObRawExprUtils::build_lnnvl_expr(
*expr_factory, cmp_expr, lnnvl_expr))) {
LOG_WARN("failed to build lnnvl expr", K(ret));
} else {
cmp_expr = lnnvl_expr;
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(cmp_expr->formalize(ctx_->session_info_))) {
@ -2139,17 +2145,28 @@ int ObWhereSubQueryPullup::transform_single_set_query(ObDMLStmt* stmt, bool& tra
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < cond_exprs.count(); ++i) {
ObSEArray<ObQueryRefRawExpr*, 4> queries;
ObSEArray<const ObRawExpr*, 1> tmp;
ObSEArray<ObQueryRefRawExpr *, 4> queries;
bool is_null_reject = false;
if (OB_FAIL(get_single_set_subquery(stmt->get_current_level(), cond_exprs.at(i), queries))) {
LOG_WARN("failed to get single set subquery", K(ret));
}
for (int64_t j = 0; OB_SUCC(ret) && j < queries.count(); ++j) {
if (is_vector_query(queries.at(j))) {
ObSEArray<const ObRawExpr *, 1> tmp;
if (OB_ISNULL(queries.at(j)) ||
OB_UNLIKELY(!queries.at(j)->is_ref_stmt()) ||
OB_ISNULL(queries.at(j)->get_ref_stmt())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid subquery", K(ret));
} else if (is_vector_query(queries.at(j))) {
// not necessary limitation
} else if (OB_FAIL(ObTransformUtils::is_null_reject_condition(cond_exprs.at(i), tmp, is_null_reject))) {
} else if (OB_FAIL(tmp.push_back(queries.at(j)))) {
LOG_WARN("failed to push back query", K(ret));
} else if (OB_FAIL(ObTransformUtils::is_null_reject_condition(
cond_exprs.at(i), tmp, is_null_reject))) {
LOG_WARN("failed to check is null reject condition", K(ret));
} else if (!is_null_reject &&
queries.at(j)->get_ref_stmt()->get_semi_info_size() > 0) {
// do nothing
} else if (OB_FAIL(unnest_single_set_subquery(stmt, queries.at(j), !is_null_reject, false))) {
LOG_WARN("failed to unnest single set subquery", K(ret));
} else {