mirror of https://github.com/jackc/pgx.git
Remove old typed array code gen
Jack Christensen
parent
740263c0d4
commit
8d2c87b5e5
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@ -1,481 +0,0 @@
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// Code generated by erb. DO NOT EDIT.
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package pgtype
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import (
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"bytes"
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"fmt"
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"io"
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"github.com/jackc/pgio"
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)
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type <%= pgtype_array_type %> struct {
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Elements []<%= pgtype_element_type %>
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Dimensions []ArrayDimension
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Valid bool
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}
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func (dst *<%= pgtype_array_type %>) Set(src interface{}) error {
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// untyped nil and typed nil interfaces are different
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if src == nil {
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*dst = <%= pgtype_array_type %>{}
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return nil
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}
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if value, ok := src.(interface{ Get() interface{} }); ok {
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value2 := value.Get()
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if value2 != value {
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return dst.Set(value2)
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}
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}
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// Attempt to match to select common types:
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switch value := src.(type) {
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<% go_array_types.split(",").each do |t| %>
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<% if t != "[]#{pgtype_element_type}" %>
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case <%= t %>:
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if value == nil {
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*dst = <%= pgtype_array_type %>{}
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} else if len(value) == 0 {
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*dst = <%= pgtype_array_type %>{Valid: true}
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} else {
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elements := make([]<%= pgtype_element_type %>, len(value))
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for i := range value {
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if err := elements[i].Set(value[i]); err != nil {
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return err
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}
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}
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*dst = <%= pgtype_array_type %>{
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Elements: elements,
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Dimensions: []ArrayDimension{{Length: int32(len(elements)), LowerBound: 1}},
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Valid: true,
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}
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}
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<% end %>
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<% end %>
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case []<%= pgtype_element_type %>:
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if value == nil {
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*dst = <%= pgtype_array_type %>{}
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} else if len(value) == 0 {
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*dst = <%= pgtype_array_type %>{Valid: true}
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} else {
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*dst = <%= pgtype_array_type %>{
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Elements: value,
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Dimensions: []ArrayDimension{{Length: int32(len(value)), LowerBound: 1}},
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Valid: true,
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}
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}
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default:
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// Fallback to reflection if an optimised match was not found.
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// The reflection is necessary for arrays and multidimensional slices,
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// but it comes with a 20-50% performance penalty for large arrays/slices
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reflectedValue := reflect.ValueOf(src)
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if !reflectedValue.IsValid() || reflectedValue.IsZero() {
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*dst = <%= pgtype_array_type %>{}
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return nil
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}
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dimensions, elementsLength, ok := findDimensionsFromValue(reflectedValue, nil, 0)
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if !ok {
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return fmt.Errorf("cannot find dimensions of %v for <%= pgtype_array_type %>", src)
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}
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if elementsLength == 0 {
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*dst = <%= pgtype_array_type %>{Valid: true}
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return nil
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}
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if len(dimensions) == 0 {
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if originalSrc, ok := underlyingSliceType(src); ok {
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return dst.Set(originalSrc)
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}
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return fmt.Errorf("cannot convert %v to <%= pgtype_array_type %>", src)
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}
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*dst = <%= pgtype_array_type %> {
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Elements: make([]<%= pgtype_element_type %>, elementsLength),
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Dimensions: dimensions,
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Valid: true,
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}
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elementCount, err := dst.setRecursive(reflectedValue, 0, 0)
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if err != nil {
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// Maybe the target was one dimension too far, try again:
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if len(dst.Dimensions) > 1 {
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dst.Dimensions = dst.Dimensions[:len(dst.Dimensions)-1]
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elementsLength = 0
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for _, dim := range dst.Dimensions {
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if elementsLength == 0 {
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elementsLength = int(dim.Length)
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} else {
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elementsLength *= int(dim.Length)
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}
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}
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dst.Elements = make([]<%= pgtype_element_type %>, elementsLength)
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elementCount, err = dst.setRecursive(reflectedValue, 0, 0)
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if err != nil {
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return err
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}
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} else {
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return err
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}
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}
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if elementCount != len(dst.Elements) {
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return fmt.Errorf("cannot convert %v to <%= pgtype_array_type %>, expected %d dst.Elements, but got %d instead", src, len(dst.Elements), elementCount)
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}
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}
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return nil
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}
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func (dst *<%= pgtype_array_type %>) setRecursive(value reflect.Value, index, dimension int) (int, error) {
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switch value.Kind() {
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case reflect.Array:
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fallthrough
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case reflect.Slice:
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if len(dst.Dimensions) == dimension {
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break
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}
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valueLen := value.Len()
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if int32(valueLen) != dst.Dimensions[dimension].Length {
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return 0, fmt.Errorf("multidimensional arrays must have array expressions with matching dimensions")
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}
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for i := 0; i < valueLen; i++ {
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var err error
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index, err = dst.setRecursive(value.Index(i), index, dimension+1)
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if err != nil {
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return 0, err
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}
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}
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return index, nil
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}
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if !value.CanInterface() {
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return 0, fmt.Errorf("cannot convert all values to <%= pgtype_array_type %>")
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}
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if err := dst.Elements[index].Set(value.Interface()); err != nil {
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return 0, fmt.Errorf("%v in <%= pgtype_array_type %>", err)
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}
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index++
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return index, nil
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}
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func (dst <%= pgtype_array_type %>) Get() interface{} {
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if !dst.Valid {
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return nil
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}
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return dst
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}
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func (src *<%= pgtype_array_type %>) AssignTo(dst interface{}) error {
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if !src.Valid {
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return NullAssignTo(dst)
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}
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if len(src.Dimensions) <= 1{
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// Attempt to match to select common types:
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switch v := dst.(type) {
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<% go_array_types.split(",").each do |t| %>
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case *<%= t %>:
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*v = make(<%= t %>, len(src.Elements))
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for i := range src.Elements {
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if err := src.Elements[i].AssignTo(&((*v)[i])); err != nil {
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return err
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}
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}
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return nil
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<% end %>
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}
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}
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// Try to convert to something AssignTo can use directly.
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if nextDst, retry := GetAssignToDstType(dst); retry {
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return src.AssignTo(nextDst)
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}
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// Fallback to reflection if an optimised match was not found.
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// The reflection is necessary for arrays and multidimensional slices,
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// but it comes with a 20-50% performance penalty for large arrays/slices
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value := reflect.ValueOf(dst)
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if value.Kind() == reflect.Ptr {
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value = value.Elem()
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}
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switch value.Kind() {
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case reflect.Array, reflect.Slice:
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default:
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return fmt.Errorf("cannot assign %T to %T", src, dst)
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}
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if len(src.Elements) == 0 {
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if value.Kind() == reflect.Slice {
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value.Set(reflect.MakeSlice(value.Type(), 0, 0))
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return nil
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}
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}
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elementCount, err := src.assignToRecursive(value, 0, 0)
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if err != nil {
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return err
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}
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if elementCount != len(src.Elements) {
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return fmt.Errorf("cannot assign %v, needed to assign %d elements, but only assigned %d", dst, len(src.Elements), elementCount)
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}
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return nil
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}
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func (src *<%= pgtype_array_type %>) assignToRecursive(value reflect.Value, index, dimension int) (int, error) {
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switch kind := value.Kind(); kind {
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case reflect.Array:
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fallthrough
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case reflect.Slice:
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if len(src.Dimensions) == dimension {
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break
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}
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length := int(src.Dimensions[dimension].Length)
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if reflect.Array == kind {
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typ := value.Type()
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if typ.Len() != length {
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return 0, fmt.Errorf("expected size %d array, but %s has size %d array", length, typ, typ.Len())
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}
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value.Set(reflect.New(typ).Elem())
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} else {
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value.Set(reflect.MakeSlice(value.Type(), length, length))
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}
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var err error
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for i := 0; i < length; i++ {
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index, err = src.assignToRecursive(value.Index(i), index, dimension+1)
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if err != nil {
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return 0, err
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}
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}
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return index, nil
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}
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if len(src.Dimensions) != dimension {
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return 0, fmt.Errorf("incorrect dimensions, expected %d, found %d", len(src.Dimensions), dimension)
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}
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if !value.CanAddr(){
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return 0, fmt.Errorf("cannot assign all values from <%= pgtype_array_type %>")
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}
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addr := value.Addr()
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if !addr.CanInterface() {
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return 0, fmt.Errorf("cannot assign all values from <%= pgtype_array_type %>")
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}
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if err := src.Elements[index].AssignTo(addr.Interface()); err != nil {
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return 0, err
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}
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index++
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return index, nil
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}
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func (dst *<%= pgtype_array_type %>) DecodeText(ci *ConnInfo, src []byte) error {
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if src == nil {
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*dst = <%= pgtype_array_type %>{}
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return nil
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}
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uta, err := ParseUntypedTextArray(string(src))
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if err != nil {
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return err
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}
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var elements []<%= pgtype_element_type %>
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if len(uta.Elements) > 0 {
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elements = make([]<%= pgtype_element_type %>, len(uta.Elements))
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for i, s := range uta.Elements {
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var elem <%= pgtype_element_type %>
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var elemSrc []byte
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if s != "NULL" || uta.Quoted[i] {
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elemSrc = []byte(s)
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}
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err = elem.DecodeText(ci, elemSrc)
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if err != nil {
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return err
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}
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elements[i] = elem
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}
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}
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*dst = <%= pgtype_array_type %>{Elements: elements, Dimensions: uta.Dimensions, Valid: true}
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return nil
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}
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<% if binary_format == "true" %>
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func (dst *<%= pgtype_array_type %>) DecodeBinary(ci *ConnInfo, src []byte) error {
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if src == nil {
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*dst = <%= pgtype_array_type %>{}
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return nil
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}
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var arrayHeader ArrayHeader
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rp, err := arrayHeader.DecodeBinary(ci, src)
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if err != nil {
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return err
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}
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if len(arrayHeader.Dimensions) == 0 {
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*dst = <%= pgtype_array_type %>{Dimensions: arrayHeader.Dimensions, Valid: true}
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return nil
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}
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elementCount := arrayHeader.Dimensions[0].Length
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for _, d := range arrayHeader.Dimensions[1:] {
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elementCount *= d.Length
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}
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elements := make([]<%= pgtype_element_type %>, elementCount)
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for i := range elements {
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elemLen := int(int32(binary.BigEndian.Uint32(src[rp:])))
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rp += 4
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var elemSrc []byte
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if elemLen >= 0 {
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elemSrc = src[rp:rp+elemLen]
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rp += elemLen
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}
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err = elements[i].DecodeBinary(ci, elemSrc)
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if err != nil {
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return err
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}
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}
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*dst = <%= pgtype_array_type %>{Elements: elements, Dimensions: arrayHeader.Dimensions, Valid: true}
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return nil
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}
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<% end %>
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func (src <%= pgtype_array_type %>) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
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if !src.Valid {
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return nil, nil
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}
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if len(src.Dimensions) == 0 {
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return append(buf, '{', '}'), nil
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}
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buf = EncodeTextArrayDimensions(buf, src.Dimensions)
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// dimElemCounts is the multiples of elements that each array lies on. For
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// example, a single dimension array of length 4 would have a dimElemCounts of
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// [4]. A multi-dimensional array of lengths [3,5,2] would have a
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// dimElemCounts of [30,10,2]. This is used to simplify when to render a '{'
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// or '}'.
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dimElemCounts := make([]int, len(src.Dimensions))
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dimElemCounts[len(src.Dimensions)-1] = int(src.Dimensions[len(src.Dimensions)-1].Length)
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for i := len(src.Dimensions) - 2; i > -1; i-- {
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dimElemCounts[i] = int(src.Dimensions[i].Length) * dimElemCounts[i+1]
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}
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inElemBuf := make([]byte, 0, 32)
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for i, elem := range src.Elements {
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if i > 0 {
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buf = append(buf, ',')
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}
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for _, dec := range dimElemCounts {
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if i%dec == 0 {
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buf = append(buf, '{')
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}
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}
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elemBuf, err := elem.EncodeText(ci, inElemBuf)
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if err != nil {
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return nil, err
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}
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if elemBuf == nil {
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buf = append(buf, `<%= text_null %>`...)
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} else {
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buf = append(buf, QuoteArrayElementIfNeeded(string(elemBuf))...)
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}
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for _, dec := range dimElemCounts {
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if (i+1)%dec == 0 {
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buf = append(buf, '}')
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}
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}
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}
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return buf, nil
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}
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<% if binary_format == "true" %>
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func (src <%= pgtype_array_type %>) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
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if !src.Valid {
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return nil, nil
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}
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arrayHeader := ArrayHeader{
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Dimensions: src.Dimensions,
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}
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if dt, ok := ci.DataTypeForName("<%= element_type_name %>"); ok {
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arrayHeader.ElementOID = int32(dt.OID)
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} else {
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return nil, fmt.Errorf("unable to find oid for type name %v", "<%= element_type_name %>")
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}
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for i := range src.Elements {
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if !src.Elements[i].Valid {
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arrayHeader.ContainsNull = true
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break
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}
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}
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buf = arrayHeader.EncodeBinary(ci, buf)
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for i := range src.Elements {
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sp := len(buf)
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buf = pgio.AppendInt32(buf, -1)
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elemBuf, err := src.Elements[i].EncodeBinary(ci, buf)
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if err != nil {
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return nil, err
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}
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if elemBuf != nil {
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buf = elemBuf
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pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4))
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}
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}
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return buf, nil
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}
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<% end %>
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// Scan implements the database/sql Scanner interface.
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func (dst *<%= pgtype_array_type %>) Scan(src interface{}) error {
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if src == nil {
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return dst.DecodeText(nil, nil)
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}
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switch src := src.(type) {
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case string:
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return dst.DecodeText(nil, []byte(src))
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case []byte:
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srcCopy := make([]byte, len(src))
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copy(srcCopy, src)
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return dst.DecodeText(nil, srcCopy)
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}
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return fmt.Errorf("cannot scan %T", src)
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}
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// Value implements the database/sql/driver Valuer interface.
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func (src <%= pgtype_array_type %>) Value() (driver.Value, error) {
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buf, err := src.EncodeText(nil, nil)
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if err != nil {
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return nil, err
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}
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if buf == nil {
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return nil, nil
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}
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return string(buf), nil
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}
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@ -1,26 +0,0 @@
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erb pgtype_array_type=Int8Array pgtype_element_type=Int8 go_array_types=[]int16,[]*int16,[]uint16,[]*uint16,[]int32,[]*int32,[]uint32,[]*uint32,[]int64,[]*int64,[]uint64,[]*uint64,[]int,[]*int,[]uint,[]*uint element_type_name=int8 text_null=NULL binary_format=true typed_array.go.erb > int8_array.go
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erb pgtype_array_type=BoolArray pgtype_element_type=Bool go_array_types=[]bool,[]*bool element_type_name=bool text_null=NULL binary_format=true typed_array.go.erb > bool_array.go
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erb pgtype_array_type=DateArray pgtype_element_type=Date go_array_types=[]time.Time,[]*time.Time element_type_name=date text_null=NULL binary_format=true typed_array.go.erb > date_array.go
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erb pgtype_array_type=TimestamptzArray pgtype_element_type=Timestamptz go_array_types=[]time.Time,[]*time.Time element_type_name=timestamptz text_null=NULL binary_format=true typed_array.go.erb > timestamptz_array.go
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erb pgtype_array_type=TstzrangeArray pgtype_element_type=Tstzrange go_array_types=[]Tstzrange element_type_name=tstzrange text_null=NULL binary_format=true typed_array.go.erb > tstzrange_array.go
|
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erb pgtype_array_type=TsrangeArray pgtype_element_type=Tsrange go_array_types=[]Tsrange element_type_name=tsrange text_null=NULL binary_format=true typed_array.go.erb > tsrange_array.go
|
||||
erb pgtype_array_type=TimestampArray pgtype_element_type=Timestamp go_array_types=[]time.Time,[]*time.Time element_type_name=timestamp text_null=NULL binary_format=true typed_array.go.erb > timestamp_array.go
|
||||
erb pgtype_array_type=Float4Array pgtype_element_type=Float4 go_array_types=[]float32,[]*float32 element_type_name=float4 text_null=NULL binary_format=true typed_array.go.erb > float4_array.go
|
||||
erb pgtype_array_type=Float8Array pgtype_element_type=Float8 go_array_types=[]float64,[]*float64 element_type_name=float8 text_null=NULL binary_format=true typed_array.go.erb > float8_array.go
|
||||
erb pgtype_array_type=InetArray pgtype_element_type=Inet go_array_types=[]*net.IPNet,[]net.IP,[]*net.IP element_type_name=inet text_null=NULL binary_format=true typed_array.go.erb > inet_array.go
|
||||
erb pgtype_array_type=MacaddrArray pgtype_element_type=Macaddr go_array_types=[]net.HardwareAddr,[]*net.HardwareAddr element_type_name=macaddr text_null=NULL binary_format=true typed_array.go.erb > macaddr_array.go
|
||||
erb pgtype_array_type=CIDRArray pgtype_element_type=CIDR go_array_types=[]*net.IPNet,[]net.IP,[]*net.IP element_type_name=cidr text_null=NULL binary_format=true typed_array.go.erb > cidr_array.go
|
||||
erb pgtype_array_type=TextArray pgtype_element_type=Text go_array_types=[]string,[]*string element_type_name=text text_null=NULL binary_format=true typed_array.go.erb > text_array.go
|
||||
erb pgtype_array_type=VarcharArray pgtype_element_type=Varchar go_array_types=[]string,[]*string element_type_name=varchar text_null=NULL binary_format=true typed_array.go.erb > varchar_array.go
|
||||
erb pgtype_array_type=BPCharArray pgtype_element_type=BPChar go_array_types=[]string,[]*string element_type_name=bpchar text_null=NULL binary_format=true typed_array.go.erb > bpchar_array.go
|
||||
erb pgtype_array_type=ByteaArray pgtype_element_type=Bytea go_array_types=[][]byte element_type_name=bytea text_null=NULL binary_format=true typed_array.go.erb > bytea_array.go
|
||||
erb pgtype_array_type=ACLItemArray pgtype_element_type=ACLItem go_array_types=[]string,[]*string element_type_name=aclitem text_null=NULL binary_format=false typed_array.go.erb > aclitem_array.go
|
||||
erb pgtype_array_type=HstoreArray pgtype_element_type=Hstore go_array_types=[]map[string]string element_type_name=hstore text_null=NULL binary_format=true typed_array.go.erb > hstore_array.go
|
||||
erb pgtype_array_type=NumericArray pgtype_element_type=Numeric go_array_types=[]float32,[]*float32,[]float64,[]*float64,[]int64,[]*int64,[]uint64,[]*uint64 element_type_name=numeric text_null=NULL binary_format=true typed_array.go.erb > numeric_array.go
|
||||
erb pgtype_array_type=UUIDArray pgtype_element_type=UUID go_array_types=[][16]byte,[][]byte,[]string,[]*string element_type_name=uuid text_null=NULL binary_format=true typed_array.go.erb > uuid_array.go
|
||||
erb pgtype_array_type=JSONBArray pgtype_element_type=JSONB go_array_types=[]string,[][]byte element_type_name=jsonb text_null=NULL binary_format=true typed_array.go.erb > jsonb_array.go
|
||||
|
||||
# While the binary format is theoretically possible it is only practical to use the text format.
|
||||
erb pgtype_array_type=EnumArray pgtype_element_type=GenericText go_array_types=[]string,[]*string text_null=NULL binary_format=false typed_array.go.erb > enum_array.go
|
||||
|
||||
goimports -w *_array.go
|
||||
Loading…
Reference in New Issue