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[FEAT MERGE] OB Support XMLType

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Co-authored-by: simonjoylet <simonjoylet@gmail.com>
This commit is contained in:
obdev
2023-04-28 03:45:10 +00:00
committed by ob-robot
parent 58bb3d34b7
commit 17abf2818a
405 changed files with 18839 additions and 1573 deletions
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39
src/sql/engine/expr/ob_expr_cast.cpp
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@ -314,6 +314,8 @@ int ObExprCast::calc_result_type2(ObExprResType &type,
LOG_WARN("invalid row_dimension_", K(row_dimension_), K(ret));
} else if (OB_FAIL(get_cast_type(type2, cast_raw_expr->get_extra(), dst_type))) {
LOG_WARN("get cast dest type failed", K(ret));
} else if (OB_FAIL(adjust_udt_cast_type(type1, dst_type))) {
LOG_WARN("adjust udt cast sub type failed", K(ret));
} else if (OB_UNLIKELY(!cast_supported(type1.get_type(), type1.get_collation_type(),
dst_type.get_type(), dst_type.get_collation_type()))) {
ret = OB_ERR_INVALID_TYPE_FOR_OP;
@ -363,6 +365,9 @@ int ObExprCast::calc_result_type2(ObExprResType &type,
type.set_precision(float_precision);
type.set_scale(float_scale);
}
} else if (dst_type.is_user_defined_sql_type()) {
type.set_type(dst_type.get_type());
type.set_subschema_id(dst_type.get_subschema_id());
} else {
type.set_type(dst_type.get_type());
type.set_collation_type(dst_type.get_collation_type());
@ -480,6 +485,12 @@ int ObExprCast::calc_result_type2(ObExprResType &type,
ObExprResType dst_type_utf8;
OZ(ObRawExprUtils::setup_extra_cast_utf8_type(dst_type, dst_type_utf8));
OX(type1.set_calc_meta(dst_type_utf8.get_obj_meta()));
} else if (type1.is_ext() && type1.get_udt_id() == T_OBJ_XML
&& dst_type.is_character_type() && is_called_in_sql()) {
// only when cast (pl xmltype variable as chartype) in pl
ObExprResType sql_xml_type;
sql_xml_type.set_sql_udt(ObXMLSqlType);
type1.set_calc_meta(sql_xml_type.get_obj_meta());
} else {
bool need_warp = false;
if (ob_is_enumset_tc(type1.get_type())) {
@ -599,6 +610,34 @@ int ObExprCast::get_cast_type(const ObExprResType param_type2,
return ret;
}
int ObExprCast::adjust_udt_cast_type(const ObExprResType &src_type, ObExprResType &dst_type) const
{
int ret = OB_SUCCESS;
if (src_type.is_ext()) {
if (dst_type.is_user_defined_sql_type()) {
if (src_type.get_udt_id() == T_OBJ_XML) {
dst_type.set_sql_udt(ObXMLSqlType);
} else {
ret = OB_NOT_SUPPORTED;
LOG_WARN("cast unsupported pl udt type to sql udt type", K(ret), K(src_type), K(dst_type));
}
} else if (dst_type.is_character_type() && !is_called_in_sql()) {
ret = OB_ERR_EXPRESSION_WRONG_TYPE;
LOG_WARN("PLS-00382: expression is of wrong type", K(ret), K(src_type), K(dst_type));
}
} else if (src_type.is_user_defined_sql_type()) {
if (dst_type.is_ext()) {
if (src_type.is_xml_sql_type()) {
dst_type.set_udt_id(T_OBJ_XML);
} else {
ret = OB_NOT_SUPPORTED;
LOG_WARN("cast unsupported sql udt type to pl udt type", K(ret), K(src_type), K(dst_type));
}
}
}
return ret;
}
int ObExprCast::get_subquery_iter(const sql::ObExpr &expr,
sql::ObEvalCtx &ctx,
ObExpr **&subquery_row,