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[FEAT MERGE] Support float/double(m, d) in mysql mode

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hezuojiao
2022-12-29 12:09:23 +00:00
committed by ob-robot
parent d967637528
commit 26f2754db2
58 changed files with 695 additions and 118 deletions
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12
src/sql/engine/expr/ob_expr_add.cpp
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@ -69,11 +69,15 @@ int ObExprAdd::calc_result_type2(ObExprResType &type,
} else {
ObScale scale1 = static_cast<ObScale>(MAX(type1.get_scale(), 0));
ObScale scale2 = static_cast<ObScale>(MAX(type2.get_scale(), 0));
int64_t inter_part_length1 = type1.get_precision() - type1.get_scale();
int64_t inter_part_length2 = type2.get_precision() - type2.get_scale();
scale = MAX(scale1, scale2);
precision = static_cast<ObPrecision>(MAX(inter_part_length1, inter_part_length2)
+ CARRY_OFFSET + scale);
if (lib::is_mysql_mode() && type.is_double()) {
precision = ObMySQLUtil::float_length(scale);
} else {
int64_t inter_part_length1 = type1.get_precision() - type1.get_scale();
int64_t inter_part_length2 = type2.get_precision() - type2.get_scale();
precision = static_cast<ObPrecision>(MAX(inter_part_length1, inter_part_length2)
+ CARRY_OFFSET + scale);
}
}
type.set_scale(scale);