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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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23
src/sql/engine/expr/ob_expr_json_extract.cpp
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@ -120,7 +120,9 @@ int ObExprJsonExtract::eval_json_extract(const ObExpr &expr, ObEvalCtx &ctx, ObD
} else {
ObString j_str = json_datum->get_string();
ObJsonInType j_in_type = ObJsonExprHelper::get_json_internal_type(val_type);
if (OB_FAIL(ObJsonBaseFactory::get_json_base(&allocator, j_str, j_in_type, j_in_type, j_base))) {
if (OB_FAIL(ObJsonExprHelper::get_json_or_str_data(json_arg, ctx, allocator, j_str, is_null_result))) {
LOG_WARN("fail to get real data.", K(ret), K(j_str));
} else if (OB_FAIL(ObJsonBaseFactory::get_json_base(&allocator, j_str, j_in_type, j_in_type, j_base))) {
LOG_WARN("fail to get json base", K(ret), K(j_in_type));
ret = OB_ERR_INVALID_JSON_TEXT;
}
@ -149,10 +151,12 @@ int ObExprJsonExtract::eval_json_extract(const ObExpr &expr, ObEvalCtx &ctx, ObD
} else {
ObString path_text = path_data->get_string();
ObJsonPath *j_path = NULL;
if (OB_FAIL(ObJsonExprHelper::find_and_add_cache(path_cache, j_path, path_text, i, true))) {
LOG_WARN("parse text to path failed", K(path_data->get_string()), K(ret));
if (OB_FAIL(ObJsonExprHelper::get_json_or_str_data(expr.args_[i], ctx, allocator, path_text, is_null_result))) {
LOG_WARN("fail to get real data.", K(ret), K(path_text));
} else if (OB_FAIL(ObJsonExprHelper::find_and_add_cache(path_cache, j_path, path_text, i, true))) {
LOG_WARN("parse text to path failed", K(path_text), K(ret));
} else if (OB_FAIL(j_base->seek(*j_path, j_path->path_node_cnt(), true, false, hit))) {
LOG_WARN("json seek failed", K(path_data->get_string()), K(ret));
LOG_WARN("json seek failed", K(path_text), K(ret));
} else {
if (j_path->can_match_many()) {
may_match_many = true;
@ -192,15 +196,8 @@ int ObExprJsonExtract::eval_json_extract(const ObExpr &expr, ObEvalCtx &ctx, ObD
LOG_WARN("json extarct get results failed", K(ret));
} else if (OB_FAIL(jb_res->get_raw_binary(raw_str, &allocator))) {
LOG_WARN("json extarct get result binary failed", K(ret));
} else {
char *buf = expr.get_str_res_mem(ctx, raw_str.length());
if (OB_UNLIKELY(buf == NULL)){
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory for result failed", K(raw_str.length()), K(ret));
} else {
MEMCPY(buf, raw_str.ptr(), raw_str.length());
res.set_string(buf, raw_str.length());
}
} else if (OB_FAIL(ObJsonExprHelper::pack_json_str_res(expr, ctx, res, raw_str))) {
LOG_WARN("fail to pack json result", K(ret));
}
}
} else if (OB_SUCC(ret) && is_null_result) {