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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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4
src/sql/engine/expr/ob_expr_ifnull.cpp
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@ -80,6 +80,10 @@ int ObExprIfNull::calc_result_type2(ObExprResType &type,
} else {
type.set_scale(-1);
}
if (lib::is_mysql_mode() && ob_is_real_type(type.get_type()) &&
SCALE_UNKNOWN_YET != type.get_scale()) {
type.set_precision(static_cast<ObPrecision>(ObMySQLUtil::float_length(type.get_scale())));
}
type.set_length(MAX(type1.get_length(), type2.get_length()));
type1.set_calc_meta(type.get_obj_meta());
type1.set_calc_accuracy(type.get_accuracy());