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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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6
src/sql/engine/expr/ob_expr_cast.cpp
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@ -441,7 +441,8 @@ int ObExprCast::calc_result_type2(ObExprResType &type,
// MySql:cast (1 as decimal(0)) = cast(1 as decimal)
// Oracle: cast(1.4 as number) = cast(1.4 as number(-1, -1))
type.set_precision(ObAccuracy::DDL_DEFAULT_ACCURACY2[compatibility_mode][ObNumberType].get_precision());
} else if (ObIntTC == dst_type.get_type_class() || ObUIntTC == dst_type.get_type_class()) {
} else if ((ObIntTC == dst_type.get_type_class() || ObUIntTC == dst_type.get_type_class())
&& dst_type.get_precision() <= 0) {
// for int or uint , the precision = len
int32_t len = 0;
int16_t length_semantics = LS_BYTE;//unused
@ -471,6 +472,9 @@ int ObExprCast::calc_result_type2(ObExprResType &type,
// interval expr need NOT_NULL_FLAG
// bug:
calc_result_flag2(type, type1, type2);
if (CM_IS_ADD_ZEROFILL(cast_raw_expr->get_extra())) {
type.set_result_flag(ZEROFILL_FLAG);
}
}
}
if (OB_SUCC(ret)) {