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[FEAT MERGE]:Oracle Json Supported

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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
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128
src/sql/engine/expr/ob_expr_json_value.h
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@ -8,6 +8,7 @@
* 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 is for func json_value.
*/
#ifndef OCEANBASE_SQL_OB_EXPR_JSON_VALUE_H_
@ -36,6 +37,22 @@ public:
common::ObExprTypeCtx& type_ctx)
const override;
static int eval_json_value(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int eval_ora_json_value(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res);
static int cast_to_res(common::ObIAllocator *allocator,
const ObExpr &expr,
ObEvalCtx &ctx,
ObIJsonBase *j_base,
uint8_t error_type,
ObDatum *error_val,
common::ObAccuracy &accuracy,
ObObjType dst_type,
common::ObCollationType in_coll_type,
common::ObCollationType dst_coll_type,
ObDatum &res,
ObVector<uint8_t> &mismatch_val,
ObVector<uint8_t> &mismatch_type,
uint8_t &is_type_cast,
uint8_t ascii_type);
virtual int cg_expr(ObExprCGCtx &expr_cg_ctx, const ObRawExpr &raw_expr,
ObExpr &rt_expr) const override;
virtual common::ObCastMode get_cast_mode() const { return CM_ERROR_ON_SCALE_OVER;}
@ -68,14 +85,22 @@ private:
static int cast_to_int(ObIJsonBase *j_base, ObObjType dst_type, int64_t &val);
static int cast_to_uint(ObIJsonBase *j_base, ObObjType dst_type, uint64_t &val);
static int cast_to_datetime(ObIJsonBase *j_base,
common::ObIAllocator *allocator,
const ObBasicSessionInfo *session,
common::ObAccuracy &accuracy,
int64_t &val);
int64_t &val,
uint8_t &is_type_cast);
static bool type_cast_to_string(ObString &json_string,
common::ObIAllocator *allocator,
ObIJsonBase *j_base,
ObAccuracy &accuracy);
static int cast_to_otimstamp(ObIJsonBase *j_base,
const ObBasicSessionInfo *session,
common::ObAccuracy &accuracy,
ObObjType dst_type,
ObOTimestampData &out_val);
static int cast_to_date(ObIJsonBase *j_base, int32_t &val);
ObOTimestampData &out_val,
uint8_t &is_type_cast);
static int cast_to_date(ObIJsonBase *j_base, int32_t &val, uint8_t &is_type_cast);
static int cast_to_time(ObIJsonBase *j_base,
common::ObAccuracy &accuracy,
int64_t &val);
@ -86,40 +111,36 @@ private:
ObIJsonBase *j_base,
common::ObAccuracy &accuracy,
ObObjType dst_type,
number::ObNumber &val);
number::ObNumber &val,
uint8_t &is_type_cast);
static int cast_to_string(common::ObIAllocator *allocator,
ObIJsonBase *j_base,
ObCollationType in_cs_type,
ObCollationType dst_cs_type,
common::ObAccuracy &accuracy,
ObObjType dst_type,
ObString &val);
ObString &val,
uint8_t &is_type_cast);
static int cast_to_bit(ObIJsonBase *j_base, uint64_t &val);
static int cast_to_json(common::ObIAllocator *allocator, ObIJsonBase *j_base, ObString &val);
static int cast_to_res(common::ObIAllocator *allocator,
ObExprCtx& expr_ctx,
ObIJsonBase *j_base,
uint8_t error_type,
ObObj *error_val,
common::ObAccuracy &accuracy,
ObObjType dst_type,
common::ObCollationType in_coll_type,
common::ObCollationType dst_coll_type,
common::ObCollationLevel dst_coll_level,
ObObj &res);
static int cast_to_res(common::ObIAllocator *allocator,
const ObExpr &expr,
ObEvalCtx &ctx,
ObIJsonBase *j_base,
uint8_t error_type,
ObDatum *error_val,
common::ObAccuracy &accuracy,
ObObjType dst_type,
common::ObCollationType in_coll_type,
common::ObCollationType dst_coll_type,
ObDatum &res);
static int cast_to_json(common::ObIAllocator *allocator, ObIJsonBase *j_base,
ObString &val, uint8_t &is_type_cast);
template<typename Obj>
static bool try_set_error_val(Obj &res, int &ret, uint8_t error_type, Obj *error_val, const char *type = NULL);
static bool try_set_error_val(const ObExpr &expr,
ObEvalCtx &ctx,
Obj &res, int &ret, uint8_t &error_type,
Obj *&error_val, ObVector<uint8_t> &mismatch_val,
ObVector<uint8_t> &mismatch_type,
uint8_t &is_type_cast,
const ObAccuracy &accuracy, ObObjType dst_type);
static int error_convert(int ret_old);
static int doc_do_seek(ObJsonBaseVector &hits, bool &is_null_result,
ObDatum *json_datum, ObJsonPath *j_path,
ObIJsonBase *j_base, const ObExpr &expr,
ObEvalCtx &ctx, bool &is_cover_by_error,
const ObAccuracy &accuracy, ObObjType dst_type,
ObDatum *&return_val, ObDatum *error_datum,
uint8_t error_type, ObDatum *empty_datum,
uint8_t &empty_type, ObObjType &default_val_type, uint8_t &is_type_cast);
// new sql engine
static inline void set_val(ObDatum &res, ObDatum *val)
{ res.set_datum(*val); }
@ -128,18 +149,63 @@ private:
static inline void set_val(ObObj &res, ObObj *val)
{ res = *val; }
/* process ascii */
const static uint8_t OB_JSON_ON_ASCII_IMPLICIT = 0;
const static uint8_t OB_JSON_ON_ASCII_USE = 1;
/* process empty or error */
const static uint8_t OB_JSON_ON_RESPONSE_ERROR = 0;
const static uint8_t OB_JSON_ON_RESPONSE_NULL = 1;
const static uint8_t OB_JSON_ON_RESPONSE_DEFAULT = 2;
const static uint8_t OB_JSON_ON_RESPONSE_IMPLICIT = 3;
/* process on mismatch { error : 0, null : 1, ignore : 2 }*/
const static uint8_t OB_JSON_ON_MISMATCH_ERROR = 0;
const static uint8_t OB_JSON_ON_MISMATCH_NULL = 1;
const static uint8_t OB_JSON_ON_MISMATCH_IGNORE = 2;
const static uint8_t OB_JSON_ON_MISMATCH_IMPLICIT = 3;
/* process mismatch type { MISSING : 4 (1), EXTRA : 5 (2), TYPE : 6 (4), EMPTY : 7 (0)} make diff with mismatch type */
const static uint8_t OB_JSON_TYPE_MISSING_DATA = 4;
const static uint8_t OB_JSON_TYPE_EXTRA_DATA = 5;
const static uint8_t OB_JSON_TYPE_TYPE_ERROR = 6;
const static uint8_t OB_JSON_TYPE_IMPLICIT = 7;
const static uint8_t json_value_param_json_doc = 0;
const static uint8_t json_value_param_json_path = 1;
const static uint8_t json_value_param_ret_type = 2;
const static uint8_t json_value_param_opt_ascii = 3;
const static uint8_t json_value_param_empty_type = 4;
const static uint8_t json_value_param_empty_val = 5;
const static uint8_t json_value_param_empty_val_pre = 6;
const static uint8_t json_value_param_error_type = 7;
const static uint8_t json_value_param_error_val = 8;
const static uint8_t json_value_param_error_val_pre = 9;
const static uint8_t json_value_param_opt_mismatch = 10;
static int get_on_empty_or_error(const ObExpr &expr,
ObEvalCtx &ctx,
uint8_t index,
bool &is_cover_by_error,
const ObAccuracy &accuracy,
uint8 &type,
ObDatum **default_value);
ObDatum **default_value,
ObObjType dst_type,
ObObjType &default_val_type);
static int get_on_ascii(const ObExpr &expr,
ObEvalCtx &ctx,
uint8_t index,
bool &is_cover_by_error,
uint8 &type);
static int get_on_mismatch(const ObExpr &expr,
ObEvalCtx &ctx,
uint8_t index,
bool &is_cover_by_error,
const ObAccuracy &accuracy,
ObVector<uint8_t> &val,
ObVector<uint8_t> &type);
/* code from ob_expr_cast for cal_result_type */
const static int32_t OB_LITERAL_MAX_INT_LEN = 21;
int get_cast_type(const ObExprResType param_type2, ObExprResType &dst_type) const;
@ -162,4 +228,4 @@ private:
} // sql
} // oceanbase
#endif // OCEANBASE_SQL_OB_EXPR_JSON_VALUE_H_
#endif // OCEANBASE_SQL_OB_EXPR_JSON_VALUE_H_