hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

[FEAT MERGE]:Oracle Json Supported

Browse Source
This commit is contained in:
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
Download Patch File Download Diff File Expand all files Collapse all files

34
src/sql/engine/expr/ob_expr_json_object.h
View File

@ -8,12 +8,14 @@
* 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 declare of the json_object.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_JSON_OBJECT_H_
#define OCEANBASE_SQL_OB_EXPR_JSON_OBJECT_H_
#include "sql/engine/expr/ob_expr_operator.h"
#include "sql/resolver/dml/ob_select_resolver.h"
using namespace oceanbase::common;
@ -29,7 +31,39 @@ public:
virtual int calc_result_typeN(ObExprResType& type, ObExprResType* types, int64_t param_num,
common::ObExprTypeCtx& type_ctx) const override;
static int eval_json_object(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_ora_json_object(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const override;
static int set_result(ObObjType dst_type, ObString str_res, common::ObIAllocator *allocator,
ObEvalCtx &ctx, const ObExpr &expr, ObDatum &res, uint8_t strict_type,
uint8_t unique_type);
static int check_key_valid(common::hash::ObHashSet<ObString> &view_key_names, const ObString &key_name);
private:
/* process null */
const static int64_t OB_JSON_ON_NULL_NUM = 3;
const static uint8_t OB_JSON_ON_NULL_NULL = 1;
const static uint8_t OB_JSON_ON_NULL_ABSENT = 2;
const static uint8_t OB_JSON_ON_NULL_IMPLICIT = 0;
/* process format strict */
const static int64_t OB_JSON_ON_STRICT_NUM = 2;
const static uint8_t OB_JSON_ON_STRICT_USE = 1;
const static uint8_t OB_JSON_ON_STRICT_IMPLICIT = 0;
/* process unique */
const static int64_t OB_JSON_ON_UNIQUE_NUM = 2;
const static uint8_t OB_JSON_ON_UNIQUE_USE = 1;
const static uint8_t OB_JSON_ON_UNIQUE_IMPLICIT = 0;
static int get_clause(const ObExpr &expr,
ObEvalCtx &ctx,
uint8_t index,
uint8_t &type,
int64_t size_para);
static int get_ora_json_doc(const ObExpr &expr, ObEvalCtx &ctx,
uint16_t index, ObDatum*& j_datum,
bool &is_null);
private:
DISALLOW_COPY_AND_ASSIGN(ObExprJsonObject);