Import to pgx main repo in pgtype subdir

2021-12-04 13:07:54 -06:00
parent 550cc7b529
commit 44214b7854
237 changed files with 0 additions and 0 deletions
@@ -0,0 +1,197 @@
+package pgtype
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+	"strconv"
+)
+
+type Bool struct {
+	Bool  bool
+	Valid bool
+}
+
+func (dst *Bool) Set(src interface{}) error {
+	if src == nil {
+		*dst = Bool{}
+		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 bool:
+		*dst = Bool{Bool: value, Valid: true}
+	case string:
+		bb, err := strconv.ParseBool(value)
+		if err != nil {
+			return err
+		}
+		*dst = Bool{Bool: bb, Valid: true}
+	case *bool:
+		if value == nil {
+			*dst = Bool{}
+		} else {
+			return dst.Set(*value)
+		}
+	case *string:
+		if value == nil {
+			*dst = Bool{}
+		} else {
+			return dst.Set(*value)
+		}
+	default:
+		if originalSrc, ok := underlyingBoolType(src); ok {
+			return dst.Set(originalSrc)
+		}
+		return fmt.Errorf("cannot convert %v to Bool", value)
+	}
+
+	return nil
+}
+
+func (dst Bool) Get() interface{} {
+	if !dst.Valid {
+		return nil
+	}
+
+	return dst.Bool
+}
+
+func (src *Bool) AssignTo(dst interface{}) error {
+	if !src.Valid {
+		return NullAssignTo(dst)
+	}
+
+	switch v := dst.(type) {
+	case *bool:
+		*v = src.Bool
+		return nil
+	default:
+		if nextDst, retry := GetAssignToDstType(dst); retry {
+			return src.AssignTo(nextDst)
+		}
+		return fmt.Errorf("unable to assign to %T", dst)
+	}
+}
+
+func (dst *Bool) DecodeText(ci *ConnInfo, src []byte) error {
+	if src == nil {
+		*dst = Bool{}
+		return nil
+	}
+
+	if len(src) != 1 {
+		return fmt.Errorf("invalid length for bool: %v", len(src))
+	}
+
+	*dst = Bool{Bool: src[0] == 't', Valid: true}
+	return nil
+}
+
+func (dst *Bool) DecodeBinary(ci *ConnInfo, src []byte) error {
+	if src == nil {
+		*dst = Bool{}
+		return nil
+	}
+
+	if len(src) != 1 {
+		return fmt.Errorf("invalid length for bool: %v", len(src))
+	}
+
+	*dst = Bool{Bool: src[0] == 1, Valid: true}
+	return nil
+}
+
+func (src Bool) EncodeText(ci *ConnInfo, buf []byte) ([]byte, error) {
+	if !src.Valid {
+		return nil, nil
+	}
+
+	if src.Bool {
+		buf = append(buf, 't')
+	} else {
+		buf = append(buf, 'f')
+	}
+
+	return buf, nil
+}
+
+func (src Bool) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
+	if !src.Valid {
+		return nil, nil
+	}
+
+	if src.Bool {
+		buf = append(buf, 1)
+	} else {
+		buf = append(buf, 0)
+	}
+
+	return buf, nil
+}
+
+// Scan implements the database/sql Scanner interface.
+func (dst *Bool) Scan(src interface{}) error {
+	if src == nil {
+		*dst = Bool{}
+		return nil
+	}
+
+	switch src := src.(type) {
+	case bool:
+		*dst = Bool{Bool: src, Valid: true}
+		return nil
+	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 Bool) Value() (driver.Value, error) {
+	if !src.Valid {
+		return nil, nil
+	}
+
+	return src.Bool, nil
+}
+
+func (src Bool) MarshalJSON() ([]byte, error) {
+	if !src.Valid {
+		return []byte("null"), nil
+	}
+
+	if src.Bool {
+		return []byte("true"), nil
+	} else {
+		return []byte("false"), nil
+	}
+}
+
+func (dst *Bool) UnmarshalJSON(b []byte) error {
+	var v *bool
+	err := json.Unmarshal(b, &v)
+	if err != nil {
+		return err
+	}
+
+	if v == nil {
+		*dst = Bool{}
+	} else {
+		*dst = Bool{Bool: *v, Valid: true}
+	}
+
+	return nil
+}