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Import Fix for -0 numeric 

From pgx: d678216f46
non-blocking
Jack Christensen 2019-06-08 11:45:47 -05:00
parent 3294a8cf1f
commit 4e0ed911f5
3 changed files with 19 additions and 1 deletions
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2
numeric.go
View File

@ -322,7 +322,7 @@ func parseNumericString(str string) (n *big.Int, exp int32, err error) {
if len(parts) > 1 {
exp = int32(-len(parts[1]))
} else {
for len(digits) > 1 && digits[len(digits)-1] == '0' {
for len(digits) > 1 && digits[len(digits)-1] == '0' && digits[len(digits)-2] != '-' {
digits = digits[:len(digits)-1]
exp++
}

15
numeric_array_test.go
View File

@ -1,6 +1,7 @@
package pgtype_test
import (
"math"
"math/big"
"reflect"
"testing"
@ -65,6 +66,13 @@ func TestNumericArraySet(t *testing.T) {
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float32{float32(math.Copysign(0, -1))},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(0), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float64{1},
result: pgtype.NumericArray{
@ -72,6 +80,13 @@ func TestNumericArraySet(t *testing.T) {
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float64{math.Copysign(0, -1)},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(0), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: (([]float32)(nil)),
result: pgtype.NumericArray{Status: pgtype.Null},

3
numeric_test.go
View File

@ -1,6 +1,7 @@
package pgtype_test
import (
"math"
"math/big"
"math/rand"
"reflect"
@ -188,7 +189,9 @@ func TestNumericSet(t *testing.T) {
result *pgtype.Numeric
}{
{source: float32(1), result: &pgtype.Numeric{Int: big.NewInt(1), Status: pgtype.Present}},
{source: float32(math.Copysign(0, -1)), result: &pgtype.Numeric{Int: big.NewInt(0), Status: pgtype.Present}},
{source: float64(1), result: &pgtype.Numeric{Int: big.NewInt(1), Status: pgtype.Present}},
{source: float64(math.Copysign(0, -1)), result: &pgtype.Numeric{Int: big.NewInt(0), Status: pgtype.Present}},
{source: int8(1), result: &pgtype.Numeric{Int: big.NewInt(1), Status: pgtype.Present}},
{source: int16(1), result: &pgtype.Numeric{Int: big.NewInt(1), Status: pgtype.Present}},
{source: int32(1), result: &pgtype.Numeric{Int: big.NewInt(1), Status: pgtype.Present}},