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fix sign result not cpmpat with mysql

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This commit is contained in:
ls0
2022-03-25 15:07:40 +08:00
committed by LINxiansheng
parent aba750322c
commit e6d4caa074
1 changed files with 3 additions and 3 deletions
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6
src/sql/engine/expr/ob_expr_sign.cpp
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@ -66,7 +66,7 @@ int ObExprSign::calc_result_type1(ObExprResType& type, ObExprResType& text, comm
int ObExprSign::calc(ObObj& result, double val)
{
if (fabs(val) < FLOAT_EPS) {
if (0 == val) {
result.set_int(0);
} else {
result.set_int(val < 0 ? -1 : 1);
@ -193,7 +193,7 @@ int calc_sign_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
}
case ObFloatTC: {
float v = arg_datum->get_float();
if (is_mysql_mode() && fabsf(v) < FLOAT_EPS) {
if (is_mysql_mode() && 0 == v) {
res_int = 0;
} else {
res_int = v < 0 ? -1 : 1;
@ -202,7 +202,7 @@ int calc_sign_expr(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& res_datum)
}
case ObDoubleTC: {
double v = arg_datum->get_double();
if (is_mysql_mode() && fabs(v) < DOUBLE_EPS) {
if (is_mysql_mode() && 0 == v) {
res_int = 0;
} else {
res_int = v < 0 ? -1 : 1;