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[FEAT MERGE] Lob SQL refactoring (Mem-LobLocator, expressions and dbms_lob adaptions)

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Co-authored-by: chaser-ch <chaser.ch@antgroup.com>
This commit is contained in:
obdev
2023-01-28 20:40:15 +08:00
committed by ob-robot
parent 4bb1033505
commit 3d4f554258
350 changed files with 19091 additions and 3918 deletions
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25
src/sql/engine/expr/ob_expr_json_func_helper.h
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@ -15,6 +15,7 @@
#define OCEANBASE_SQL_OB_EXPR_JSON_FUNC_HELPER_H_
#include "sql/engine/expr/ob_expr_util.h"
#include "sql/engine/expr/ob_expr_lob_utils.h"
#include "share/object/ob_obj_cast.h"
#include "objit/common/ob_item_type.h"
#include "sql/session/ob_sql_session_info.h"
@ -45,6 +46,9 @@ class ObJsonExprHelper final
ObJsonPathCache path_cache_;
};
public:
static int get_json_or_str_data(ObExpr *expr, ObEvalCtx &ctx,
common::ObArenaAllocator &allocator,
ObString& str, bool& is_null);
/*
get json doc to JsonBase in static_typing_engine
@param[in] expr the input arguments
@ -61,19 +65,6 @@ public:
bool &is_null, bool need_to_tree=true, bool relax = true);
static int cast_to_json_tree(ObString &text, common::ObIAllocator *allocator, uint32_t parse_flag = 0);
/*
get json doc to JsonBase in old_typing_engine
@param[in] objs the input arguments
@param[in] allocator the Allocator in context
@param[in] index the input arguments index
@param[out] j_base the pointer to JsonBase
@param[out] is_null the flag for null situation
@return Returns OB_SUCCESS on success, error code otherwise.
*/
static int get_json_doc(const ObObj *objs, common::ObIAllocator *allocator,
uint16_t index, ObIJsonBase*& j_base,
bool &is_null, bool need_to_tree = true);
/*
get json value to JsonBase in static_typing_engine
@param[in] expr the input arguments
@ -158,6 +149,7 @@ public:
ObCollationType cs_type,
ObIJsonBase*& j_base,
bool to_bin,
bool has_lob_header,
bool deep_copy = false,
bool relax_type = true,
bool format_json = false);
@ -168,6 +160,7 @@ public:
ObObjType type,
ObCollationType cs_type,
ObJsonBuffer &j_buf,
bool has_lob_header,
bool format_json,
bool strict_json,
int32_t pos);
@ -193,6 +186,12 @@ public:
static void set_type_for_value(ObExprResType* types_stack, uint32_t index);
static int ensure_collation(ObObjType type, ObCollationType cs_type);
static ObJsonInType get_json_internal_type(ObObjType type);
template <typename T>
static int pack_json_str_res(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &res,
T &str,
common::ObIAllocator *allocator = nullptr);
/**
* the following 3 functions is used for json_query and json_mergepatch