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bugfix pathch:46540606

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This commit is contained in:
obdev
2022-12-15 02:37:56 +00:00
committed by ob-robot
parent d510d51bf1
commit ca298777f1
1 changed files with 4 additions and 0 deletions
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4
src/share/object/ob_obj_cast.cpp
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@ -10615,6 +10615,8 @@ int ObObjCaster::to_type(const ObExpectType &expect_type,
return ret;
}
const char OB_JSON_NULL[2] = {'\0', '\0'}; // binary json null
int ObObjCaster::get_zero_value(const ObObjType expect_type, ObCollationType expect_cs_type, ObObj &zero_obj)
{
int ret = OB_SUCCESS;
@ -10674,6 +10676,8 @@ int ObObjCaster::get_zero_value(const ObObjType expect_type, ObCollationType exp
} else if (ob_is_urowid(expect_type)) {
ret = OB_NOT_SUPPORTED;
LOG_WARN("urowid with default value not supported");
} else if (expect_type == ObJsonType) {
zero_obj.set_json_value(expect_type, OB_JSON_NULL, 2);
}
if (OB_SUCC(ret)) {
zero_obj.set_collation_type(expect_cs_type);