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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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79
src/sql/engine/expr/ob_expr_priv_xml_binary.cpp Normal file
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
* This file contains implementation for _make_xml_binary.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "ob_expr_priv_xml_binary.h"
#include "ob_expr_lob_utils.h"
#include "ob_expr_xml_func_helper.h"
using namespace oceanbase::common;
using namespace oceanbase::sql;
namespace oceanbase
{
namespace sql
{
// Internal expression used for generate binary xml from xmltype data
ObExprPrivXmlBinary::ObExprPrivXmlBinary(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_SYS_PRIV_MAKE_XML_BINARY, N_PRIV_XML_BINARY, TWO_OR_THREE, NOT_VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION)
{
}
int ObExprPrivXmlBinary::calc_result_typeN(ObExprResType& type,
ObExprResType* types_stack,
int64_t param_num,
ObExprTypeCtx& type_ctx) const
{
UNUSED(type_ctx);
int ret = OB_SUCCESS;
// 1st param is schema id for validation from column definition
// schema id in xml data maybe 0 or different from column definition
// 2nd param is xmltype data (udt sql type), or varchar(should parse again)
if (param_num != 2) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid param number", K(param_num));
} else if (!ob_is_oracle_numeric_type(types_stack[0].get_type())) {
ret = OB_ERR_INVALID_TYPE_FOR_OP;
LOG_WARN("invalid type", K(ret), K(types_stack[0].get_type()));
} else if (types_stack[1].is_ext() && types_stack[1].get_udt_id() == T_OBJ_XML) {
types_stack[1].get_calc_meta().set_sql_udt(ObXMLSqlType);
} else if (!types_stack[1].is_xml_sql_type()
&& !types_stack[1].is_character_type() // remove later
&& !types_stack[1].is_null()) {
ret = OB_ERR_INVALID_TYPE_FOR_OP;
LOG_WARN("invalid type", K(ret), K(types_stack[1].get_type()));
}
if (OB_SUCC(ret)) {
if (types_stack[1].is_character_type() && types_stack[1].get_charset_type() != CHARSET_UTF8MB4) {
types_stack[1].set_calc_collation_type(CS_TYPE_UTF8MB4_BIN); // remove later
}
type.set_type(ObLongTextType);
type.set_collation_type(CS_TYPE_BINARY);
type.set_collation_level(CS_LEVEL_IMPLICIT);
type.set_accuracy(ObAccuracy::DDL_DEFAULT_ACCURACY[ObLongTextType]);
}
return ret;
}
int ObExprPrivXmlBinary::cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
{
UNUSEDx(expr_cg_ctx, raw_expr);
rt_expr.eval_func_ = eval_priv_xml_binary;
return OB_SUCCESS;
}
} // namespace sql
} // namespace oceanbase