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[FEAT MERGE]:Oracle Json Supported

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obdev
2023-01-28 15:52:29 +08:00
committed by ob-robot
parent 274e68514d
commit bbb017266b
197 changed files with 30520 additions and 2252 deletions
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src/sql/engine/expr/ob_expr_json_exists.h 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 json_valid.
* Authors:
* wuxingying.wxy@oceanbase.com
*/
#ifndef OCEANBASE_SRC_SQL_ENGINE_EXPR_OB_EXPR_JSON_EXISTS_H
#define OCEANBASE_SRC_SQL_ENGINE_EXPR_OB_EXPR_JSON_EXISTS_H
#include "sql/engine/expr/ob_expr_operator.h"
#include "lib/json_type/ob_json_tree.h"
#include "lib/json_type/ob_json_base.h"
namespace oceanbase
{
namespace sql
{
class ObExprJsonExists : public ObFuncExprOperator
{
public:
explicit ObExprJsonExists(common::ObIAllocator &alloc);
virtual ~ObExprJsonExists();
virtual int calc_result_typeN(ObExprResType& type,
ObExprResType* types,
int64_t param_num,
common::ObExprTypeCtx& type_ctx) const override;
static int get_path(const ObExpr &expr, ObEvalCtx &ctx, ObJsonPath* &j_path,
ObJsonPathCache &ctx_cache, ObJsonPathCache* &path_cache);
static int get_var_data(const ObExpr &expr, ObEvalCtx &ctx, common::ObArenaAllocator &allocator,
uint16_t index, ObIJsonBase*& j_base);
static int get_json_data(const ObExpr &expr, ObEvalCtx &ctx, common::ObArenaAllocator &allocator,
uint16_t index, ObIJsonBase*& j_base, bool &is_null, bool need_to_tree,
bool need_quote);
static int get_passing(const ObExpr &expr, ObEvalCtx &ctx, PassingMap &pass_map,
uint32_t param_num, common::ObArenaAllocator &temp_allocator);
static int get_error_or_empty(const ObExpr &expr, ObEvalCtx &ctx, uint32_t idx, uint8_t &result);
static int set_result(ObDatum &res, const ObJsonBaseVector& hit,
const uint8_t option_on_error, const uint8_t option_on_empty,
const bool is_cover_by_error, const bool is_null_json);
static int eval_json_exists(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
private:
const static uint8_t OB_JSON_FALSE_ON_ERROR = 0;
const static uint8_t OB_JSON_TRUE_ON_ERROR = 1;
const static uint8_t OB_JSON_ERROR_ON_ERROR = 2;
const static uint8_t OB_JSON_DEFAULT_ON_ERROR = 3;
const static uint8_t OB_JSON_FALSE_ON_EMPTY = 0;
const static uint8_t OB_JSON_TRUE_ON_EMPTY = 1;
const static uint8_t OB_JSON_ERROR_ON_EMPTY = 2;
const static uint8_t OB_JSON_DEFAULT_ON_EMPTY = 3;
DISALLOW_COPY_AND_ASSIGN(ObExprJsonExists);
};
} // sql
} // oceanbase
#endif // OCEANBASE_SRC_SQL_ENGINE_EXPR_OB_EXPR_JSON_EXISTS_H