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Fix nullif expr precision calc error

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This commit is contained in:
hezuojiao
2024-02-08 09:18:18 +00:00
committed by ob-robot
parent 9ac49045b5
commit 4d2c32c9ae
1 changed files with 3 additions and 1 deletions
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4
src/sql/engine/expr/ob_expr_nullif.cpp
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@ -115,8 +115,10 @@ int ObExprNullif::se_deduce_type(ObExprResType &type,
if (OB_FAIL(ret)) {
} else if (ob_is_decimal_int(cmp_type.get_calc_type())) {
ObAccuracy calc_acc;
calc_acc.precision_ = MAX(type1.get_precision(), type2.get_precision());
calc_acc.scale_ = MAX(type1.get_scale(), type2.get_scale());
const int64_t int_len1 = type1.get_precision() - type1.get_scale();
const int64_t int_len2 = type2.get_precision() - type2.get_scale();
calc_acc.precision_ = MIN(MAX(int_len1, int_len2), OB_MAX_DECIMAL_POSSIBLE_PRECISION);
cmp_type.set_calc_accuracy(calc_acc);
}
if (OB_SUCC(ret)) {