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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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19
src/sql/engine/expr/ob_expr_soundex.h
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@ -33,11 +33,22 @@ public:
const ObCollationType input_cs_type,
const bool use_original_algo,
const bool fix_min_len,
char *buf, const int64_t len, int64_t &pos);
char *buf, const int64_t len, int64_t &pos,
bool &is_first,
int8_t &last_soundex_code);
static int calc(const ObString &input, const ObCollationType intput_cs_type,
const ObCollationType res_cs_type,
common::ObIAllocator &tmp_alloc, common::ObIAllocator &res_alloc,
ObString &out);
const ObCollationType res_cs_type,
common::ObIAllocator &tmp_alloc, common::ObIAllocator &res_alloc,
ObString &out);
static int calc_text(const ObDatum &input_datum,
const ObObjType input_type,
const ObObjType res_type,
const ObCollationType input_cs_type,
const ObCollationType res_cs_type,
const bool input_has_lob_header,
ObIAllocator &tmp_alloc, ObIAllocator &res_alloc,
ObString &out,
bool has_lob_header);
static int eval_soundex(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum);
private:
static const int64_t MIN_RESULT_LENGTH = 4;