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fix correctness bug of replacing zerofill column expr

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This commit is contained in:
yinyj17
2023-09-09 13:42:25 +00:00
committed by ob-robot
parent 54921b0342
commit 4a904949c2
6 changed files with 298 additions and 272 deletions
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20
src/sql/ob_sql_utils.cpp
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@ -1689,6 +1689,26 @@ int ObSQLUtils::get_default_cast_mode(const bool is_explicit_cast,
return ret;
}
int ObSQLUtils::get_cast_mode_for_replace(const ObRawExpr *expr,
const ObSQLSessionInfo *session,
ObCastMode &cast_mode)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(expr) || OB_ISNULL(session)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null", KP(expr), KP(session), K(ret));
} else if (OB_FAIL(ObSQLUtils::get_default_cast_mode(false,/* explicit_cast */
0, /* result_flag */
session, cast_mode))) {
LOG_WARN("failed to get default cast mode", K(ret));
} else if (OB_FAIL(ObSQLUtils::set_cs_level_cast_mode(expr->get_collation_level(), cast_mode))) {
LOG_WARN("failed to set cs level cast mode", K(ret));
} else if (expr->get_result_type().has_result_flag(ZEROFILL_FLAG)) {
cast_mode |= CM_ADD_ZEROFILL;
}
return ret;
}
ObCollationLevel ObSQLUtils::transform_cs_level(const ObCollationLevel cs_level)
{
// CS_LEVEL_INVALID is not defined as 0, transform the input cs level to make the default 0