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

patch 4.0

Browse Source
This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/sql/engine/expr/ob_expr_json_unquote.cpp
View File

@ -10,7 +10,6 @@
* See the Mulan PubL v2 for more details.
*/
// This file is for implement of func json_unquote
#define USING_LOG_PREFIX SQL_ENG
#include "ob_expr_json_unquote.h"
#include "sql/engine/expr/ob_expr_json_func_helper.h"
@ -43,8 +42,7 @@ int ObExprJsonUnquote::calc_result_type1(ObExprResType &type,
type.set_type(ObLongTextType);
type.set_collation_type(CS_TYPE_UTF8MB4_BIN);
type.set_collation_level(CS_LEVEL_IMPLICIT);
type.set_length(OB_MAX_LONGTEXT_LENGTH);
if (type1.get_type() == ObNullType || type1.get_type() == ObDoubleType
|| type1.get_type() == ObIntType) {
// do nothing
@ -108,45 +106,13 @@ int ObExprJsonUnquote::calc(const T &data, ObObjType type, ObCollationType cs_ty
return ret;
}
int ObExprJsonUnquote::calc_result1(common::ObObj &result, const common::ObObj &obj,
common::ObExprCtx &expr_ctx) const
{
INIT_SUCC(ret);
ObIAllocator *allocator = expr_ctx.calc_buf_;
ObJsonBuffer j_buf(allocator);
bool is_null = false;
if (result_type_.get_collation_type() != CS_TYPE_UTF8MB4_BIN) {
ret = OB_ERR_INVALID_JSON_CHARSET;
LOG_WARN("invalid out put charset", K(ret), K(result_type_));
} else if (OB_ISNULL(allocator)) { // check allocator
ret = OB_NOT_INIT;
LOG_WARN("allcator not init", K(ret));
} else if (OB_FAIL(calc(obj, obj.get_type(), obj.get_collation_type(), allocator, j_buf, is_null))) {
LOG_WARN("fail to calc json unquote result in old engine", K(ret), K(obj.get_type()));
} else if (is_null) {
result.set_null();
} else {
// allocate length() + 1; as for alloc(0) will return null result
char *buf = static_cast<char*>(allocator->alloc(j_buf.length() + 1));
if (buf) {
MEMCPY(buf, j_buf.ptr(), j_buf.length());
result.set_collation_type(result_type_.get_collation_type());
result.set_string(ObLongTextType, buf, j_buf.length());
} else {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("fail to alloc memory for json unquote result", K(ret), K(j_buf.length()));
}
}
return ret;
}
int ObExprJsonUnquote::eval_json_unquote(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res)
{
INIT_SUCC(ret);
ObExpr *arg = expr.args_[0];
ObDatum* json_datum = NULL;
common::ObArenaAllocator &temp_allocator = ctx.get_reset_tmp_alloc();
ObEvalCtx::TempAllocGuard tmp_alloc_g(ctx);
common::ObArenaAllocator &temp_allocator = tmp_alloc_g.get_allocator();
ObObjType val_type = arg->datum_meta_.type_;
ObCollationType cs_type = arg->datum_meta_.cs_type_;
ObJsonBuffer j_buf(&temp_allocator);