mirror of https://github.com/jackc/pgx.git
Convert Date to Codec
Jack Christensen
parent
f4a9d84e32
commit
b57e0c419b
|
|
@ -4,6 +4,7 @@ import (
|
|||
"fmt"
|
||||
"math"
|
||||
"strconv"
|
||||
"time"
|
||||
)
|
||||
|
||||
type int8Wrapper int8
|
||||
|
|
@ -315,3 +316,27 @@ func (w stringWrapper) Int64Value() (Int8, error) {
|
|||
|
||||
return Int8{Int: int64(num), Valid: true}, nil
|
||||
}
|
||||
|
||||
type timeWrapper time.Time
|
||||
|
||||
func (w *timeWrapper) ScanDate(v Date) error {
|
||||
if !v.Valid {
|
||||
return fmt.Errorf("cannot scan NULL into *time.Time")
|
||||
}
|
||||
|
||||
switch v.InfinityModifier {
|
||||
case None:
|
||||
*w = timeWrapper(v.Time)
|
||||
return nil
|
||||
case Infinity:
|
||||
return fmt.Errorf("cannot scan Infinity into *time.Time")
|
||||
case NegativeInfinity:
|
||||
return fmt.Errorf("cannot scan -Infinity into *time.Time")
|
||||
default:
|
||||
return fmt.Errorf("invalid InfinityModifier: %v", v.InfinityModifier)
|
||||
}
|
||||
}
|
||||
|
||||
func (w timeWrapper) DateValue() (Date, error) {
|
||||
return Date{Time: time.Time(w), Valid: true}, nil
|
||||
}
|
||||
|
|
|
|||
363
pgtype/date.go
363
pgtype/date.go
|
|
@ -10,10 +10,27 @@ import (
|
|||
"github.com/jackc/pgio"
|
||||
)
|
||||
|
||||
type DateScanner interface {
|
||||
ScanDate(v Date) error
|
||||
}
|
||||
|
||||
type DateValuer interface {
|
||||
DateValue() (Date, error)
|
||||
}
|
||||
|
||||
type Date struct {
|
||||
Time time.Time
|
||||
Valid bool
|
||||
InfinityModifier InfinityModifier
|
||||
Valid bool
|
||||
}
|
||||
|
||||
func (d *Date) ScanDate(v Date) error {
|
||||
*d = v
|
||||
return nil
|
||||
}
|
||||
|
||||
func (d Date) DateValue() (Date, error) {
|
||||
return d, nil
|
||||
}
|
||||
|
||||
const (
|
||||
|
|
@ -21,166 +38,6 @@ const (
|
|||
infinityDayOffset = 2147483647
|
||||
)
|
||||
|
||||
func (dst *Date) Set(src interface{}) error {
|
||||
if src == nil {
|
||||
*dst = Date{}
|
||||
return nil
|
||||
}
|
||||
|
||||
if value, ok := src.(interface{ Get() interface{} }); ok {
|
||||
value2 := value.Get()
|
||||
if value2 != value {
|
||||
return dst.Set(value2)
|
||||
}
|
||||
}
|
||||
|
||||
switch value := src.(type) {
|
||||
case time.Time:
|
||||
*dst = Date{Time: value, Valid: true}
|
||||
case string:
|
||||
return dst.DecodeText(nil, []byte(value))
|
||||
case *time.Time:
|
||||
if value == nil {
|
||||
*dst = Date{}
|
||||
} else {
|
||||
return dst.Set(*value)
|
||||
}
|
||||
case *string:
|
||||
if value == nil {
|
||||
*dst = Date{}
|
||||
} else {
|
||||
return dst.Set(*value)
|
||||
}
|
||||
default:
|
||||
if originalSrc, ok := underlyingTimeType(src); ok {
|
||||
return dst.Set(originalSrc)
|
||||
}
|
||||
return fmt.Errorf("cannot convert %v to Date", value)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (dst Date) Get() interface{} {
|
||||
if !dst.Valid {
|
||||
return nil
|
||||
}
|
||||
if dst.InfinityModifier != None {
|
||||
return dst.InfinityModifier
|
||||
}
|
||||
return dst.Time
|
||||
}
|
||||
|
||||
func (src *Date) AssignTo(dst interface{}) error {
|
||||
if !src.Valid {
|
||||
return NullAssignTo(dst)
|
||||
}
|
||||
|
||||
switch v := dst.(type) {
|
||||
case *time.Time:
|
||||
if src.InfinityModifier != None {
|
||||
return fmt.Errorf("cannot assign %v to %T", src, dst)
|
||||
}
|
||||
*v = src.Time
|
||||
return nil
|
||||
default:
|
||||
if nextDst, retry := GetAssignToDstType(dst); retry {
|
||||
return src.AssignTo(nextDst)
|
||||
}
|
||||
return fmt.Errorf("unable to assign to %T", dst)
|
||||
}
|
||||
}
|
||||
|
||||
func (dst *Date) DecodeText(ci *ConnInfo, src []byte) error {
|
||||
if src == nil {
|
||||
*dst = Date{}
|
||||
return nil
|
||||
}
|
||||
|
||||
sbuf := string(src)
|
||||
switch sbuf {
|
||||
case "infinity":
|
||||
*dst = Date{Valid: true, InfinityModifier: Infinity}
|
||||
case "-infinity":
|
||||
*dst = Date{Valid: true, InfinityModifier: -Infinity}
|
||||
default:
|
||||
t, err := time.ParseInLocation("2006-01-02", sbuf, time.UTC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
*dst = Date{Time: t, Valid: true}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (dst *Date) DecodeBinary(ci *ConnInfo, src []byte) error {
|
||||
if src == nil {
|
||||
*dst = Date{}
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(src) != 4 {
|
||||
return fmt.Errorf("invalid length for date: %v", len(src))
|
||||
}
|
||||
|
||||
dayOffset := int32(binary.BigEndian.Uint32(src))
|
||||
|
||||
switch dayOffset {
|
||||
case infinityDayOffset:
|
||||
*dst = Date{Valid: true, InfinityModifier: Infinity}
|
||||
case negativeInfinityDayOffset:
|
||||
*dst = Date{Valid: true, InfinityModifier: -Infinity}
|
||||
default:
|
||||
t := time.Date(2000, 1, int(1+dayOffset), 0, 0, 0, 0, time.UTC)
|
||||
*dst = Date{Time: t, Valid: true}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (src Date) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
|
||||
if !src.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
var s string
|
||||
|
||||
switch src.InfinityModifier {
|
||||
case None:
|
||||
s = src.Time.Format("2006-01-02")
|
||||
case Infinity:
|
||||
s = "infinity"
|
||||
case NegativeInfinity:
|
||||
s = "-infinity"
|
||||
}
|
||||
|
||||
return append(buf, s...), nil
|
||||
}
|
||||
|
||||
func (src Date) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
|
||||
if !src.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
var daysSinceDateEpoch int32
|
||||
switch src.InfinityModifier {
|
||||
case None:
|
||||
tUnix := time.Date(src.Time.Year(), src.Time.Month(), src.Time.Day(), 0, 0, 0, 0, time.UTC).Unix()
|
||||
dateEpoch := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
|
||||
|
||||
secSinceDateEpoch := tUnix - dateEpoch
|
||||
daysSinceDateEpoch = int32(secSinceDateEpoch / 86400)
|
||||
case Infinity:
|
||||
daysSinceDateEpoch = infinityDayOffset
|
||||
case NegativeInfinity:
|
||||
daysSinceDateEpoch = negativeInfinityDayOffset
|
||||
}
|
||||
|
||||
return pgio.AppendInt32(buf, daysSinceDateEpoch), nil
|
||||
}
|
||||
|
||||
// Scan implements the database/sql Scanner interface.
|
||||
func (dst *Date) Scan(src interface{}) error {
|
||||
if src == nil {
|
||||
|
|
@ -190,11 +47,7 @@ func (dst *Date) Scan(src interface{}) error {
|
|||
|
||||
switch src := src.(type) {
|
||||
case string:
|
||||
return dst.DecodeText(nil, []byte(src))
|
||||
case []byte:
|
||||
srcCopy := make([]byte, len(src))
|
||||
copy(srcCopy, src)
|
||||
return dst.DecodeText(nil, srcCopy)
|
||||
return scanPlanTextAnyToDateScanner{}.Scan(nil, 0, TextFormatCode, []byte(src), dst)
|
||||
case time.Time:
|
||||
*dst = Date{Time: src, Valid: true}
|
||||
return nil
|
||||
|
|
@ -262,3 +115,181 @@ func (dst *Date) UnmarshalJSON(b []byte) error {
|
|||
|
||||
return nil
|
||||
}
|
||||
|
||||
type DateCodec struct{}
|
||||
|
||||
func (DateCodec) FormatSupported(format int16) bool {
|
||||
return format == TextFormatCode || format == BinaryFormatCode
|
||||
}
|
||||
|
||||
func (DateCodec) PreferredFormat() int16 {
|
||||
return BinaryFormatCode
|
||||
}
|
||||
|
||||
func (DateCodec) PlanEncode(ci *ConnInfo, oid uint32, format int16, value interface{}) EncodePlan {
|
||||
if _, ok := value.(DateValuer); !ok {
|
||||
return nil
|
||||
}
|
||||
|
||||
switch format {
|
||||
case BinaryFormatCode:
|
||||
return encodePlanDateCodecBinary{}
|
||||
case TextFormatCode:
|
||||
return encodePlanDateCodecText{}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type encodePlanDateCodecBinary struct{}
|
||||
|
||||
func (encodePlanDateCodecBinary) Encode(value interface{}, buf []byte) (newBuf []byte, err error) {
|
||||
date, err := value.(DateValuer).DateValue()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if !date.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
var daysSinceDateEpoch int32
|
||||
switch date.InfinityModifier {
|
||||
case None:
|
||||
tUnix := time.Date(date.Time.Year(), date.Time.Month(), date.Time.Day(), 0, 0, 0, 0, time.UTC).Unix()
|
||||
dateEpoch := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC).Unix()
|
||||
|
||||
secSinceDateEpoch := tUnix - dateEpoch
|
||||
daysSinceDateEpoch = int32(secSinceDateEpoch / 86400)
|
||||
case Infinity:
|
||||
daysSinceDateEpoch = infinityDayOffset
|
||||
case NegativeInfinity:
|
||||
daysSinceDateEpoch = negativeInfinityDayOffset
|
||||
}
|
||||
|
||||
return pgio.AppendInt32(buf, daysSinceDateEpoch), nil
|
||||
}
|
||||
|
||||
type encodePlanDateCodecText struct{}
|
||||
|
||||
func (encodePlanDateCodecText) Encode(value interface{}, buf []byte) (newBuf []byte, err error) {
|
||||
date, err := value.(DateValuer).DateValue()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if !date.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
var s string
|
||||
|
||||
switch date.InfinityModifier {
|
||||
case None:
|
||||
s = date.Time.Format("2006-01-02")
|
||||
case Infinity:
|
||||
s = "infinity"
|
||||
case NegativeInfinity:
|
||||
s = "-infinity"
|
||||
}
|
||||
|
||||
return append(buf, s...), nil
|
||||
}
|
||||
|
||||
func (DateCodec) PlanScan(ci *ConnInfo, oid uint32, format int16, target interface{}, actualTarget bool) ScanPlan {
|
||||
|
||||
switch format {
|
||||
case BinaryFormatCode:
|
||||
switch target.(type) {
|
||||
case DateScanner:
|
||||
return scanPlanBinaryDateToDateScanner{}
|
||||
}
|
||||
case TextFormatCode:
|
||||
switch target.(type) {
|
||||
case DateScanner:
|
||||
return scanPlanTextAnyToDateScanner{}
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type scanPlanBinaryDateToDateScanner struct{}
|
||||
|
||||
func (scanPlanBinaryDateToDateScanner) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error {
|
||||
scanner := (dst).(DateScanner)
|
||||
|
||||
if src == nil {
|
||||
return scanner.ScanDate(Date{})
|
||||
}
|
||||
|
||||
if len(src) != 4 {
|
||||
return fmt.Errorf("invalid length for date: %v", len(src))
|
||||
}
|
||||
|
||||
dayOffset := int32(binary.BigEndian.Uint32(src))
|
||||
|
||||
switch dayOffset {
|
||||
case infinityDayOffset:
|
||||
return scanner.ScanDate(Date{InfinityModifier: Infinity, Valid: true})
|
||||
case negativeInfinityDayOffset:
|
||||
return scanner.ScanDate(Date{InfinityModifier: -Infinity, Valid: true})
|
||||
default:
|
||||
t := time.Date(2000, 1, int(1+dayOffset), 0, 0, 0, 0, time.UTC)
|
||||
return scanner.ScanDate(Date{Time: t, Valid: true})
|
||||
}
|
||||
}
|
||||
|
||||
type scanPlanTextAnyToDateScanner struct{}
|
||||
|
||||
func (scanPlanTextAnyToDateScanner) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error {
|
||||
scanner := (dst).(DateScanner)
|
||||
|
||||
if src == nil {
|
||||
return scanner.ScanDate(Date{})
|
||||
}
|
||||
|
||||
sbuf := string(src)
|
||||
switch sbuf {
|
||||
case "infinity":
|
||||
return scanner.ScanDate(Date{InfinityModifier: Infinity, Valid: true})
|
||||
case "-infinity":
|
||||
return scanner.ScanDate(Date{InfinityModifier: -Infinity, Valid: true})
|
||||
default:
|
||||
t, err := time.ParseInLocation("2006-01-02", sbuf, time.UTC)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return scanner.ScanDate(Date{Time: t, Valid: true})
|
||||
}
|
||||
}
|
||||
|
||||
func (c DateCodec) DecodeDatabaseSQLValue(ci *ConnInfo, oid uint32, format int16, src []byte) (driver.Value, error) {
|
||||
return codecDecodeToTextFormat(c, ci, oid, format, src)
|
||||
}
|
||||
|
||||
func (c DateCodec) DecodeValue(ci *ConnInfo, oid uint32, format int16, src []byte) (interface{}, error) {
|
||||
if src == nil {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
var date Date
|
||||
err := codecScan(c, ci, oid, format, src, &date)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if date.Valid {
|
||||
switch date.InfinityModifier {
|
||||
case None:
|
||||
return date.Time, nil
|
||||
case Infinity:
|
||||
return "infinity", nil
|
||||
case NegativeInfinity:
|
||||
return "-infinity", nil
|
||||
}
|
||||
}
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,505 +0,0 @@
|
|||
// Code generated by erb. DO NOT EDIT.
|
||||
|
||||
package pgtype
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"fmt"
|
||||
"reflect"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgio"
|
||||
)
|
||||
|
||||
type DateArray struct {
|
||||
Elements []Date
|
||||
Dimensions []ArrayDimension
|
||||
Valid bool
|
||||
}
|
||||
|
||||
func (dst *DateArray) Set(src interface{}) error {
|
||||
// untyped nil and typed nil interfaces are different
|
||||
if src == nil {
|
||||
*dst = DateArray{}
|
||||
return nil
|
||||
}
|
||||
|
||||
if value, ok := src.(interface{ Get() interface{} }); ok {
|
||||
value2 := value.Get()
|
||||
if value2 != value {
|
||||
return dst.Set(value2)
|
||||
}
|
||||
}
|
||||
|
||||
// Attempt to match to select common types:
|
||||
switch value := src.(type) {
|
||||
|
||||
case []time.Time:
|
||||
if value == nil {
|
||||
*dst = DateArray{}
|
||||
} else if len(value) == 0 {
|
||||
*dst = DateArray{Valid: true}
|
||||
} else {
|
||||
elements := make([]Date, len(value))
|
||||
for i := range value {
|
||||
if err := elements[i].Set(value[i]); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
*dst = DateArray{
|
||||
Elements: elements,
|
||||
Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}},
|
||||
Valid: true,
|
||||
}
|
||||
}
|
||||
|
||||
case []*time.Time:
|
||||
if value == nil {
|
||||
*dst = DateArray{}
|
||||
} else if len(value) == 0 {
|
||||
*dst = DateArray{Valid: true}
|
||||
} else {
|
||||
elements := make([]Date, len(value))
|
||||
for i := range value {
|
||||
if err := elements[i].Set(value[i]); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
*dst = DateArray{
|
||||
Elements: elements,
|
||||
Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}},
|
||||
Valid: true,
|
||||
}
|
||||
}
|
||||
|
||||
case []Date:
|
||||
if value == nil {
|
||||
*dst = DateArray{}
|
||||
} else if len(value) == 0 {
|
||||
*dst = DateArray{Valid: true}
|
||||
} else {
|
||||
*dst = DateArray{
|
||||
Elements: value,
|
||||
Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}},
|
||||
Valid: true,
|
||||
}
|
||||
}
|
||||
default:
|
||||
// Fallback to reflection if an optimised match was not found.
|
||||
// The reflection is necessary for arrays and multidimensional slices,
|
||||
// but it comes with a 20-50% performance penalty for large arrays/slices
|
||||
reflectedValue := reflect.ValueOf(src)
|
||||
if !reflectedValue.IsValid() || reflectedValue.IsZero() {
|
||||
*dst = DateArray{}
|
||||
return nil
|
||||
}
|
||||
|
||||
dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0)
|
||||
if !ok {
|
||||
return fmt.Errorf("cannot find dimensions of %v for DateArray", src)
|
||||
}
|
||||
if elementsLength == 0 {
|
||||
*dst = DateArray{Valid: true}
|
||||
return nil
|
||||
}
|
||||
if len(dimensions) == 0 {
|
||||
if originalSrc, ok := underlyingSliceType(src); ok {
|
||||
return dst.Set(originalSrc)
|
||||
}
|
||||
return fmt.Errorf("cannot convert %v to DateArray", src)
|
||||
}
|
||||
|
||||
*dst = DateArray{
|
||||
Elements: make([]Date, elementsLength),
|
||||
Dimensions: dimensions,
|
||||
Valid: true,
|
||||
}
|
||||
elementCount, err := dst.setRecursive(reflectedValue, 0, 0)
|
||||
if err != nil {
|
||||
// Maybe the target was one dimension too far, try again:
|
||||
if len(dst.Dimensions) > 1 {
|
||||
dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1]
|
||||
elementsLength = 0
|
||||
for _, dim := range dst.Dimensions {
|
||||
if elementsLength == 0 {
|
||||
elementsLength = int(dim.Length)
|
||||
} else {
|
||||
elementsLength *= int(dim.Length)
|
||||
}
|
||||
}
|
||||
dst.Elements = make([]Date, elementsLength)
|
||||
elementCount, err = dst.setRecursive(reflectedValue, 0, 0)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
return err
|
||||
}
|
||||
}
|
||||
if elementCount != len(dst.Elements) {
|
||||
return fmt.Errorf("cannot convert %v to DateArray, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (dst *DateArray) setRecursive(value reflect.Value, index, dimension int) (int, error) {
|
||||
switch value.Kind() {
|
||||
case reflect.Array:
|
||||
fallthrough
|
||||
case reflect.Slice:
|
||||
if len(dst.Dimensions) == dimension {
|
||||
break
|
||||
}
|
||||
|
||||
valueLen := value.Len()
|
||||
if int32(valueLen) != dst.Dimensions[dimension].Length {
|
||||
return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions")
|
||||
}
|
||||
for i := 0; i < valueLen; i++ {
|
||||
var err error
|
||||
index, err = dst.setRecursive(value.Index(i), index, dimension+1)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
}
|
||||
|
||||
return index, nil
|
||||
}
|
||||
if !value.CanInterface() {
|
||||
return 0, fmt.Errorf("cannot convert all values to DateArray")
|
||||
}
|
||||
if err := dst.Elements[index].Set(value.Interface()); err != nil {
|
||||
return 0, fmt.Errorf("%v in DateArray", err)
|
||||
}
|
||||
index++
|
||||
|
||||
return index, nil
|
||||
}
|
||||
|
||||
func (dst DateArray) Get() interface{} {
|
||||
if !dst.Valid {
|
||||
return nil
|
||||
}
|
||||
return dst
|
||||
}
|
||||
|
||||
func (src *DateArray) AssignTo(dst interface{}) error {
|
||||
if !src.Valid {
|
||||
return NullAssignTo(dst)
|
||||
}
|
||||
|
||||
if len(src.Dimensions) <= 1 {
|
||||
// Attempt to match to select common types:
|
||||
switch v := dst.(type) {
|
||||
|
||||
case *[]time.Time:
|
||||
*v = make([]time.Time, len(src.Elements))
|
||||
for i := range src.Elements {
|
||||
if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
|
||||
case *[]*time.Time:
|
||||
*v = make([]*time.Time, len(src.Elements))
|
||||
for i := range src.Elements {
|
||||
if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Try to convert to something AssignTo can use directly.
|
||||
if nextDst, retry := GetAssignToDstType(dst); retry {
|
||||
return src.AssignTo(nextDst)
|
||||
}
|
||||
|
||||
// Fallback to reflection if an optimised match was not found.
|
||||
// The reflection is necessary for arrays and multidimensional slices,
|
||||
// but it comes with a 20-50% performance penalty for large arrays/slices
|
||||
value := reflect.ValueOf(dst)
|
||||
if value.Kind() == reflect.Ptr {
|
||||
value = value.Elem()
|
||||
}
|
||||
|
||||
switch value.Kind() {
|
||||
case reflect.Array, reflect.Slice:
|
||||
default:
|
||||
return fmt.Errorf("cannot assign %T to %T", src, dst)
|
||||
}
|
||||
|
||||
if len(src.Elements) == 0 {
|
||||
if value.Kind() == reflect.Slice {
|
||||
value.Set(reflect.MakeSlice(value.Type(), 0, 0))
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
elementCount, err := src.assignToRecursive(value, 0, 0)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if elementCount != len(src.Elements) {
|
||||
return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (src *DateArray) assignToRecursive(value reflect.Value, index, dimension int) (int, error) {
|
||||
switch kind := value.Kind(); kind {
|
||||
case reflect.Array:
|
||||
fallthrough
|
||||
case reflect.Slice:
|
||||
if len(src.Dimensions) == dimension {
|
||||
break
|
||||
}
|
||||
|
||||
length := int(src.Dimensions[dimension].Length)
|
||||
if reflect.Array == kind {
|
||||
typ := value.Type()
|
||||
if typ.Len() != length {
|
||||
return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len())
|
||||
}
|
||||
value.Set(reflect.New(typ).Elem())
|
||||
} else {
|
||||
value.Set(reflect.MakeSlice(value.Type(), length, length))
|
||||
}
|
||||
|
||||
var err error
|
||||
for i := 0; i < length; i++ {
|
||||
index, err = src.assignToRecursive(value.Index(i), index, dimension+1)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
}
|
||||
|
||||
return index, nil
|
||||
}
|
||||
if len(src.Dimensions) != dimension {
|
||||
return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension)
|
||||
}
|
||||
if !value.CanAddr() {
|
||||
return 0, fmt.Errorf("cannot assign all values from DateArray")
|
||||
}
|
||||
addr := value.Addr()
|
||||
if !addr.CanInterface() {
|
||||
return 0, fmt.Errorf("cannot assign all values from DateArray")
|
||||
}
|
||||
if err := src.Elements[index].AssignTo(addr.Interface()); err != nil {
|
||||
return 0, err
|
||||
}
|
||||
index++
|
||||
return index, nil
|
||||
}
|
||||
|
||||
func (dst *DateArray) DecodeText(ci *ConnInfo, src []byte) error {
|
||||
if src == nil {
|
||||
*dst = DateArray{}
|
||||
return nil
|
||||
}
|
||||
|
||||
uta, err := ParseUntypedTextArray(string(src))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var elements []Date
|
||||
|
||||
if len(uta.Elements) > 0 {
|
||||
elements = make([]Date, len(uta.Elements))
|
||||
|
||||
for i, s := range uta.Elements {
|
||||
var elem Date
|
||||
var elemSrc []byte
|
||||
if s != "NULL" || uta.Quoted[i] {
|
||||
elemSrc = []byte(s)
|
||||
}
|
||||
err = elem.DecodeText(ci, elemSrc)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
elements[i] = elem
|
||||
}
|
||||
}
|
||||
|
||||
*dst = DateArray{Elements: elements, Dimensions: uta.Dimensions, Valid: true}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (dst *DateArray) DecodeBinary(ci *ConnInfo, src []byte) error {
|
||||
if src == nil {
|
||||
*dst = DateArray{}
|
||||
return nil
|
||||
}
|
||||
|
||||
var arrayHeader ArrayHeader
|
||||
rp, err := arrayHeader.DecodeBinary(ci, src)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if len(arrayHeader.Dimensions) == 0 {
|
||||
*dst = DateArray{Dimensions: arrayHeader.Dimensions, Valid: true}
|
||||
return nil
|
||||
}
|
||||
|
||||
elementCount := arrayHeader.Dimensions[0].Length
|
||||
for _, d := range arrayHeader.Dimensions[1:] {
|
||||
elementCount *= d.Length
|
||||
}
|
||||
|
||||
elements := make([]Date, elementCount)
|
||||
|
||||
for i := range elements {
|
||||
elemLen := int(int32(binary.BigEndian.Uint32(src[rp:])))
|
||||
rp += 4
|
||||
var elemSrc []byte
|
||||
if elemLen >= 0 {
|
||||
elemSrc = src[rp : rp+elemLen]
|
||||
rp += elemLen
|
||||
}
|
||||
err = elements[i].DecodeBinary(ci, elemSrc)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
*dst = DateArray{Elements: elements, Dimensions: arrayHeader.Dimensions, Valid: true}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (src DateArray) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
|
||||
if !src.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if len(src.Dimensions) == 0 {
|
||||
return append(buf, '{', '}'), nil
|
||||
}
|
||||
|
||||
buf = EncodeTextArrayDimensions(buf, src.Dimensions)
|
||||
|
||||
// dimElemCounts is the multiples of elements that each array lies on. For
|
||||
// example, a single dimension array of length 4 would have a dimElemCounts of
|
||||
// [4]. A multi-dimensional array of lengths [3,5,2] would have a
|
||||
// dimElemCounts of [30,10,2]. This is used to simplify when to render a '{'
|
||||
// or '}'.
|
||||
dimElemCounts := make([]int, len(src.Dimensions))
|
||||
dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length)
|
||||
for i := len(src.Dimensions) - 2; i > -1; i-- {
|
||||
dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1]
|
||||
}
|
||||
|
||||
inElemBuf := make([]byte, 0, 32)
|
||||
for i, elem := range src.Elements {
|
||||
if i > 0 {
|
||||
buf = append(buf, ',')
|
||||
}
|
||||
|
||||
for _, dec := range dimElemCounts {
|
||||
if i%dec == 0 {
|
||||
buf = append(buf, '{')
|
||||
}
|
||||
}
|
||||
|
||||
elemBuf, err := elem.EncodeText(ci, inElemBuf)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if elemBuf == nil {
|
||||
buf = append(buf, `NULL`...)
|
||||
} else {
|
||||
buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...)
|
||||
}
|
||||
|
||||
for _, dec := range dimElemCounts {
|
||||
if (i+1)%dec == 0 {
|
||||
buf = append(buf, '}')
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return buf, nil
|
||||
}
|
||||
|
||||
func (src DateArray) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
|
||||
if !src.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
arrayHeader := ArrayHeader{
|
||||
Dimensions: src.Dimensions,
|
||||
}
|
||||
|
||||
if dt, ok := ci.DataTypeForName("date"); ok {
|
||||
arrayHeader.ElementOID = int32(dt.OID)
|
||||
} else {
|
||||
return nil, fmt.Errorf("unable to find oid for type name %v", "date")
|
||||
}
|
||||
|
||||
for i := range src.Elements {
|
||||
if !src.Elements[i].Valid {
|
||||
arrayHeader.ContainsNull = true
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
buf = arrayHeader.EncodeBinary(ci, buf)
|
||||
|
||||
for i := range src.Elements {
|
||||
sp := len(buf)
|
||||
buf = pgio.AppendInt32(buf, -1)
|
||||
|
||||
elemBuf, err := src.Elements[i].EncodeBinary(ci, buf)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if elemBuf != nil {
|
||||
buf = elemBuf
|
||||
pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4))
|
||||
}
|
||||
}
|
||||
|
||||
return buf, nil
|
||||
}
|
||||
|
||||
// Scan implements the database/sql Scanner interface.
|
||||
func (dst *DateArray) Scan(src interface{}) error {
|
||||
if src == nil {
|
||||
return dst.DecodeText(nil, nil)
|
||||
}
|
||||
|
||||
switch src := src.(type) {
|
||||
case string:
|
||||
return dst.DecodeText(nil, []byte(src))
|
||||
case []byte:
|
||||
srcCopy := make([]byte, len(src))
|
||||
copy(srcCopy, src)
|
||||
return dst.DecodeText(nil, srcCopy)
|
||||
}
|
||||
|
||||
return fmt.Errorf("cannot scan %T", src)
|
||||
}
|
||||
|
||||
// Value implements the database/sql/driver Valuer interface.
|
||||
func (src DateArray) Value() (driver.Value, error) {
|
||||
buf, err := src.EncodeText(nil, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if buf == nil {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
return string(buf), nil
|
||||
}
|
||||
|
|
@ -1,327 +0,0 @@
|
|||
package pgtype_test
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgtype"
|
||||
"github.com/jackc/pgx/v5/pgtype/testutil"
|
||||
)
|
||||
|
||||
func TestDateArrayTranscode(t *testing.T) {
|
||||
testutil.TestSuccessfulTranscode(t, "date[]", []interface{}{
|
||||
&pgtype.DateArray{
|
||||
Elements: nil,
|
||||
Dimensions: nil,
|
||||
Valid: true,
|
||||
},
|
||||
&pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{},
|
||||
},
|
||||
Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
|
||||
Valid: true,
|
||||
},
|
||||
&pgtype.DateArray{},
|
||||
&pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2017, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{},
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
},
|
||||
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
|
||||
Valid: true,
|
||||
},
|
||||
&pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2015, 2, 2, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2015, 2, 3, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2015, 2, 4, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
},
|
||||
Dimensions: []pgtype.ArrayDimension{
|
||||
{Length: 2, LowerBound: 4},
|
||||
{Length: 2, LowerBound: 2},
|
||||
},
|
||||
Valid: true,
|
||||
},
|
||||
})
|
||||
}
|
||||
|
||||
func TestDateArraySet(t *testing.T) {
|
||||
successfulTests := []struct {
|
||||
source interface{}
|
||||
result pgtype.DateArray
|
||||
}{
|
||||
{
|
||||
source: []time.Time{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
result: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
},
|
||||
{
|
||||
source: (([]time.Time)(nil)),
|
||||
result: pgtype.DateArray{},
|
||||
},
|
||||
{
|
||||
source: [][]time.Time{
|
||||
{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
{time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC)}},
|
||||
result: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
},
|
||||
{
|
||||
source: [][][][]time.Time{
|
||||
{{{
|
||||
time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC)}}},
|
||||
{{{
|
||||
time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC)}}}},
|
||||
result: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{
|
||||
{LowerBound: 1, Length: 2},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 3}},
|
||||
Valid: true},
|
||||
},
|
||||
{
|
||||
source: [2][1]time.Time{
|
||||
{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
{time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC)}},
|
||||
result: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
},
|
||||
{
|
||||
source: [2][1][1][3]time.Time{
|
||||
{{{
|
||||
time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC)}}},
|
||||
{{{
|
||||
time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC)}}}},
|
||||
result: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{
|
||||
{LowerBound: 1, Length: 2},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 3}},
|
||||
Valid: true},
|
||||
},
|
||||
}
|
||||
|
||||
for i, tt := range successfulTests {
|
||||
var r pgtype.DateArray
|
||||
err := r.Set(tt.source)
|
||||
if err != nil {
|
||||
t.Errorf("%d: %v", i, err)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(r, tt.result) {
|
||||
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestDateArrayAssignTo(t *testing.T) {
|
||||
var timeSlice []time.Time
|
||||
var timeSliceDim2 [][]time.Time
|
||||
var timeSliceDim4 [][][][]time.Time
|
||||
var timeArrayDim2 [2][1]time.Time
|
||||
var timeArrayDim4 [2][1][1][3]time.Time
|
||||
|
||||
simpleTests := []struct {
|
||||
src pgtype.DateArray
|
||||
dst interface{}
|
||||
expected interface{}
|
||||
}{
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
|
||||
Valid: true,
|
||||
},
|
||||
dst: &timeSlice,
|
||||
expected: []time.Time{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{},
|
||||
dst: &timeSlice,
|
||||
expected: (([]time.Time)(nil)),
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{Valid: true},
|
||||
dst: &timeSlice,
|
||||
expected: []time.Time{},
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
dst: &timeSliceDim2,
|
||||
expected: [][]time.Time{
|
||||
{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
{time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC)}},
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{
|
||||
{LowerBound: 1, Length: 2},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 3}},
|
||||
Valid: true},
|
||||
dst: &timeSliceDim4,
|
||||
expected: [][][][]time.Time{
|
||||
{{{
|
||||
time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC)}}},
|
||||
{{{
|
||||
time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC)}}}},
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
dst: &timeArrayDim2,
|
||||
expected: [2][1]time.Time{
|
||||
{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
|
||||
{time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC)}},
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{
|
||||
{LowerBound: 1, Length: 2},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 1},
|
||||
{LowerBound: 1, Length: 3}},
|
||||
Valid: true},
|
||||
dst: &timeArrayDim4,
|
||||
expected: [2][1][1][3]time.Time{
|
||||
{{{
|
||||
time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2017, 5, 6, 0, 0, 0, 0, time.UTC)}}},
|
||||
{{{
|
||||
time.Date(2018, 7, 8, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2019, 9, 10, 0, 0, 0, 0, time.UTC),
|
||||
time.Date(2020, 11, 12, 0, 0, 0, 0, time.UTC)}}}},
|
||||
},
|
||||
}
|
||||
|
||||
for i, tt := range simpleTests {
|
||||
err := tt.src.AssignTo(tt.dst)
|
||||
if err != nil {
|
||||
t.Errorf("%d: %v", i, err)
|
||||
}
|
||||
|
||||
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); !reflect.DeepEqual(dst, tt.expected) {
|
||||
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
|
||||
}
|
||||
}
|
||||
|
||||
errorTests := []struct {
|
||||
src pgtype.DateArray
|
||||
dst interface{}
|
||||
}{
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{{}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
|
||||
Valid: true,
|
||||
},
|
||||
dst: &timeSlice,
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
|
||||
Valid: true},
|
||||
dst: &timeArrayDim2,
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
|
||||
Valid: true},
|
||||
dst: &timeSlice,
|
||||
},
|
||||
{
|
||||
src: pgtype.DateArray{
|
||||
Elements: []pgtype.Date{
|
||||
{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
{Time: time.Date(2016, 3, 4, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
|
||||
Valid: true},
|
||||
dst: &timeArrayDim4,
|
||||
},
|
||||
}
|
||||
|
||||
for i, tt := range errorTests {
|
||||
err := tt.src.AssignTo(tt.dst)
|
||||
if err == nil {
|
||||
t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,123 +1,36 @@
|
|||
package pgtype_test
|
||||
|
||||
import (
|
||||
"reflect"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgtype"
|
||||
"github.com/jackc/pgx/v5/pgtype/testutil"
|
||||
)
|
||||
|
||||
func TestDateTranscode(t *testing.T) {
|
||||
testutil.TestSuccessfulTranscodeEqFunc(t, "date", []interface{}{
|
||||
&pgtype.Date{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{Time: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true},
|
||||
&pgtype.Date{},
|
||||
&pgtype.Date{Valid: true, InfinityModifier: pgtype.Infinity},
|
||||
&pgtype.Date{Valid: true, InfinityModifier: -pgtype.Infinity},
|
||||
}, func(a, b interface{}) bool {
|
||||
at := a.(pgtype.Date)
|
||||
bt := b.(pgtype.Date)
|
||||
func isExpectedEqTime(a interface{}) func(interface{}) bool {
|
||||
return func(v interface{}) bool {
|
||||
at := a.(time.Time)
|
||||
vt := v.(time.Time)
|
||||
|
||||
return at.Time.Equal(bt.Time) && at.Valid == bt.Valid && at.InfinityModifier == bt.InfinityModifier
|
||||
return at.Equal(vt)
|
||||
}
|
||||
}
|
||||
|
||||
func TestDateCodec(t *testing.T) {
|
||||
testPgxCodec(t, "date", []PgxTranscodeTestCase{
|
||||
{time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC))},
|
||||
{time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC))},
|
||||
{time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC))},
|
||||
{time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC))},
|
||||
{time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC))},
|
||||
{time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), new(time.Time), isExpectedEqTime(time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC))},
|
||||
{pgtype.Date{InfinityModifier: pgtype.Infinity, Valid: true}, new(pgtype.Date), isExpectedEq(pgtype.Date{InfinityModifier: pgtype.Infinity, Valid: true})},
|
||||
{pgtype.Date{InfinityModifier: pgtype.NegativeInfinity, Valid: true}, new(pgtype.Date), isExpectedEq(pgtype.Date{InfinityModifier: pgtype.NegativeInfinity, Valid: true})},
|
||||
{pgtype.Date{}, new(pgtype.Date), isExpectedEq(pgtype.Date{})},
|
||||
{nil, new(*time.Time), isExpectedEq((*time.Time)(nil))},
|
||||
})
|
||||
}
|
||||
|
||||
func TestDateSet(t *testing.T) {
|
||||
type _time time.Time
|
||||
|
||||
successfulTests := []struct {
|
||||
source interface{}
|
||||
result pgtype.Date
|
||||
}{
|
||||
{source: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2000, 1, 2, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), result: pgtype.Date{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: _time(time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC)), result: pgtype.Date{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
{source: "1999-12-31", result: pgtype.Date{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.UTC), Valid: true}},
|
||||
}
|
||||
|
||||
for i, tt := range successfulTests {
|
||||
var d pgtype.Date
|
||||
err := d.Set(tt.source)
|
||||
if err != nil {
|
||||
t.Errorf("%d: %v", i, err)
|
||||
}
|
||||
|
||||
if d != tt.result {
|
||||
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, d)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestDateAssignTo(t *testing.T) {
|
||||
var tim time.Time
|
||||
var ptim *time.Time
|
||||
|
||||
simpleTests := []struct {
|
||||
src pgtype.Date
|
||||
dst interface{}
|
||||
expected interface{}
|
||||
}{
|
||||
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Valid: true}, dst: &tim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
|
||||
{src: pgtype.Date{Time: time.Time{}}, dst: &ptim, expected: ((*time.Time)(nil))},
|
||||
}
|
||||
|
||||
for i, tt := range simpleTests {
|
||||
err := tt.src.AssignTo(tt.dst)
|
||||
if err != nil {
|
||||
t.Errorf("%d: %v", i, err)
|
||||
}
|
||||
|
||||
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
|
||||
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
|
||||
}
|
||||
}
|
||||
|
||||
pointerAllocTests := []struct {
|
||||
src pgtype.Date
|
||||
dst interface{}
|
||||
expected interface{}
|
||||
}{
|
||||
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Valid: true}, dst: &ptim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
|
||||
}
|
||||
|
||||
for i, tt := range pointerAllocTests {
|
||||
err := tt.src.AssignTo(tt.dst)
|
||||
if err != nil {
|
||||
t.Errorf("%d: %v", i, err)
|
||||
}
|
||||
|
||||
if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
|
||||
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
|
||||
}
|
||||
}
|
||||
|
||||
errorTests := []struct {
|
||||
src pgtype.Date
|
||||
dst interface{}
|
||||
}{
|
||||
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.Infinity, Valid: true}, dst: &tim},
|
||||
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.NegativeInfinity, Valid: true}, dst: &tim},
|
||||
{src: pgtype.Date{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)}, dst: &tim},
|
||||
}
|
||||
|
||||
for i, tt := range errorTests {
|
||||
err := tt.src.AssignTo(tt.dst)
|
||||
if err == nil {
|
||||
t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestDateMarshalJSON(t *testing.T) {
|
||||
successfulTests := []struct {
|
||||
source pgtype.Date
|
||||
|
|
|
|||
|
|
@ -263,7 +263,7 @@ func NewConnInfo() *ConnInfo {
|
|||
ci.RegisterDataType(DataType{Name: "_bpchar", OID: BPCharArrayOID, Codec: &ArrayCodec{ElementCodec: TextCodec{}, ElementOID: BPCharOID}})
|
||||
ci.RegisterDataType(DataType{Name: "_bytea", OID: ByteaArrayOID, Codec: &ArrayCodec{ElementCodec: ByteaCodec{}, ElementOID: ByteaOID}})
|
||||
ci.RegisterDataType(DataType{Value: &CIDRArray{}, Name: "_cidr", OID: CIDRArrayOID})
|
||||
ci.RegisterDataType(DataType{Value: &DateArray{}, Name: "_date", OID: DateArrayOID})
|
||||
ci.RegisterDataType(DataType{Name: "_date", OID: DateArrayOID, Codec: &ArrayCodec{ElementCodec: DateCodec{}, ElementOID: DateOID}})
|
||||
ci.RegisterDataType(DataType{Value: &Float4Array{}, Name: "_float4", OID: Float4ArrayOID})
|
||||
ci.RegisterDataType(DataType{Value: &Float8Array{}, Name: "_float8", OID: Float8ArrayOID})
|
||||
ci.RegisterDataType(DataType{Value: &InetArray{}, Name: "_inet", OID: InetArrayOID})
|
||||
|
|
@ -295,7 +295,7 @@ func NewConnInfo() *ConnInfo {
|
|||
ci.RegisterDataType(DataType{Name: "cid", OID: CIDOID, Codec: Uint32Codec{}})
|
||||
ci.RegisterDataType(DataType{Value: &CIDR{}, Name: "cidr", OID: CIDROID})
|
||||
ci.RegisterDataType(DataType{Name: "circle", OID: CircleOID, Codec: CircleCodec{}})
|
||||
ci.RegisterDataType(DataType{Value: &Date{}, Name: "date", OID: DateOID})
|
||||
ci.RegisterDataType(DataType{Name: "date", OID: DateOID, Codec: DateCodec{}})
|
||||
// ci.RegisterDataType(DataType{Value: &Daterange{}, Name: "daterange", OID: DaterangeOID})
|
||||
ci.RegisterDataType(DataType{Value: &Float4{}, Name: "float4", OID: Float4OID})
|
||||
ci.RegisterDataType(DataType{Value: &Float8{}, Name: "float8", OID: Float8OID})
|
||||
|
|
@ -807,6 +807,30 @@ func tryUnderlyingTypeScanPlan(dst interface{}) (plan *underlyingTypeScanPlan, n
|
|||
return nil, nil, false
|
||||
}
|
||||
|
||||
type WrappedScanPlanNextSetter interface {
|
||||
SetNext(ScanPlan)
|
||||
ScanPlan
|
||||
}
|
||||
|
||||
func tryWrapBuiltinTypeScanPlan(dst interface{}) (plan WrappedScanPlanNextSetter, nextDst interface{}, ok bool) {
|
||||
switch dst := dst.(type) {
|
||||
case *time.Time:
|
||||
return &wrapTimeScanPlan{}, (*timeWrapper)(dst), true
|
||||
}
|
||||
|
||||
return nil, nil, false
|
||||
}
|
||||
|
||||
type wrapTimeScanPlan struct {
|
||||
next ScanPlan
|
||||
}
|
||||
|
||||
func (plan *wrapTimeScanPlan) SetNext(next ScanPlan) { plan.next = next }
|
||||
|
||||
func (plan *wrapTimeScanPlan) Scan(ci *ConnInfo, oid uint32, formatCode int16, src []byte, dst interface{}) error {
|
||||
return plan.next.Scan(ci, oid, formatCode, src, (*timeWrapper)(dst.(*time.Time)))
|
||||
}
|
||||
|
||||
type pointerEmptyInterfaceScanPlan struct {
|
||||
codec Codec
|
||||
}
|
||||
|
|
@ -903,6 +927,13 @@ func (ci *ConnInfo) PlanScan(oid uint32, formatCode int16, dst interface{}) Scan
|
|||
}
|
||||
}
|
||||
|
||||
if wrapperPlan, nextValue, ok := tryWrapBuiltinTypeScanPlan(dst); ok {
|
||||
if nextPlan := ci.PlanScan(oid, formatCode, nextValue); nextPlan != nil {
|
||||
wrapperPlan.SetNext(nextPlan)
|
||||
return wrapperPlan
|
||||
}
|
||||
}
|
||||
|
||||
if _, ok := dst.(*interface{}); ok {
|
||||
return &pointerEmptyInterfaceScanPlan{codec: dt.Codec}
|
||||
}
|
||||
|
|
@ -1031,7 +1062,6 @@ func (ci *ConnInfo) PlanEncode(oid uint32, format int16, value interface{}) Enco
|
|||
wrapperPlan.SetNext(nextPlan)
|
||||
return wrapperPlan
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1107,33 +1137,35 @@ type WrappedEncodePlanNextSetter interface {
|
|||
}
|
||||
|
||||
func tryWrapBuiltinTypeEncodePlan(value interface{}) (plan WrappedEncodePlanNextSetter, nextValue interface{}, ok bool) {
|
||||
switch value.(type) {
|
||||
switch value := value.(type) {
|
||||
case int8:
|
||||
return &wrapInt8EncodePlan{}, int8Wrapper(value.(int8)), true
|
||||
return &wrapInt8EncodePlan{}, int8Wrapper(value), true
|
||||
case int16:
|
||||
return &wrapInt16EncodePlan{}, int16Wrapper(value.(int16)), true
|
||||
return &wrapInt16EncodePlan{}, int16Wrapper(value), true
|
||||
case int32:
|
||||
return &wrapInt32EncodePlan{}, int32Wrapper(value.(int32)), true
|
||||
return &wrapInt32EncodePlan{}, int32Wrapper(value), true
|
||||
case int64:
|
||||
return &wrapInt64EncodePlan{}, int64Wrapper(value.(int64)), true
|
||||
return &wrapInt64EncodePlan{}, int64Wrapper(value), true
|
||||
case int:
|
||||
return &wrapIntEncodePlan{}, intWrapper(value.(int)), true
|
||||
return &wrapIntEncodePlan{}, intWrapper(value), true
|
||||
case uint8:
|
||||
return &wrapUint8EncodePlan{}, uint8Wrapper(value.(uint8)), true
|
||||
return &wrapUint8EncodePlan{}, uint8Wrapper(value), true
|
||||
case uint16:
|
||||
return &wrapUint16EncodePlan{}, uint16Wrapper(value.(uint16)), true
|
||||
return &wrapUint16EncodePlan{}, uint16Wrapper(value), true
|
||||
case uint32:
|
||||
return &wrapUint32EncodePlan{}, uint32Wrapper(value.(uint32)), true
|
||||
return &wrapUint32EncodePlan{}, uint32Wrapper(value), true
|
||||
case uint64:
|
||||
return &wrapUint64EncodePlan{}, uint64Wrapper(value.(uint64)), true
|
||||
return &wrapUint64EncodePlan{}, uint64Wrapper(value), true
|
||||
case uint:
|
||||
return &wrapUintEncodePlan{}, uintWrapper(value.(uint)), true
|
||||
return &wrapUintEncodePlan{}, uintWrapper(value), true
|
||||
case float32:
|
||||
return &wrapFloat32EncodePlan{}, float32Wrapper(value.(float32)), true
|
||||
return &wrapFloat32EncodePlan{}, float32Wrapper(value), true
|
||||
case float64:
|
||||
return &wrapFloat64EncodePlan{}, float64Wrapper(value.(float64)), true
|
||||
return &wrapFloat64EncodePlan{}, float64Wrapper(value), true
|
||||
case string:
|
||||
return &wrapStringEncodePlan{}, stringWrapper(value.(string)), true
|
||||
return &wrapStringEncodePlan{}, stringWrapper(value), true
|
||||
case time.Time:
|
||||
return &wrapTimeEncodePlan{}, timeWrapper(value), true
|
||||
}
|
||||
|
||||
return nil, nil, false
|
||||
|
|
@ -1269,6 +1301,16 @@ func (plan *wrapStringEncodePlan) Encode(value interface{}, buf []byte) (newBuf
|
|||
return plan.next.Encode(stringWrapper(value.(string)), buf)
|
||||
}
|
||||
|
||||
type wrapTimeEncodePlan struct {
|
||||
next EncodePlan
|
||||
}
|
||||
|
||||
func (plan *wrapTimeEncodePlan) SetNext(next EncodePlan) { plan.next = next }
|
||||
|
||||
func (plan *wrapTimeEncodePlan) Encode(value interface{}, buf []byte) (newBuf []byte, err error) {
|
||||
return plan.next.Encode(timeWrapper(value.(time.Time)), buf)
|
||||
}
|
||||
|
||||
// Encode appends the encoded bytes of value to buf. If value is the SQL value NULL then append nothing and return
|
||||
// (nil, nil). The caller of Encode is responsible for writing the correct NULL value or the length of the data
|
||||
// written.
|
||||
|
|
|
|||
Loading…
Reference in New Issue