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xmlbugfix: xmltype cast to clob need cast when deduce type

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This commit is contained in:
GroundWu
2023-05-17 23:46:36 +00:00
committed by ob-robot
parent 305a2f95c8
commit 10a6c9b642
1 changed files with 3 additions and 1 deletions
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4
src/sql/resolver/expr/ob_raw_expr_util.cpp
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@ -7014,8 +7014,10 @@ int ObRawExprUtils::check_need_cast_expr(const ObExprResType &src_type,
//no need add cast, will add column_conv later
need_cast = false;
} else if ((ob_is_xml_sql_type(in_type, src_type.get_subschema_id()) || ob_is_xml_pl_type(in_type, src_type.get_udt_id())) &&
ob_is_large_text(out_type)) {
ob_is_blob(out_type, out_cs_type)) {
//no need add cast, will transform in make_xmlbinary
// there are cases cannot skip cast expr, and xmltype cast to clob is not support and cast func will check:
// case: select xmlserialize(content xmltype_var as clob) || xmltype_var from t;
need_cast = false;
} else if (OB_FAIL(ObRawExprUtils::need_wrap_to_string(in_type, out_type,
is_same_need, need_wrap))) {