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path: root/vendor/github.com/jackc/pgx/v5/pgproto3/describe.go
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Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/describe.go')
-rw-r--r--vendor/github.com/jackc/pgx/v5/pgproto3/describe.go80
1 files changed, 0 insertions, 80 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/describe.go b/vendor/github.com/jackc/pgx/v5/pgproto3/describe.go
deleted file mode 100644
index 89feff215..000000000
--- a/vendor/github.com/jackc/pgx/v5/pgproto3/describe.go
+++ /dev/null
@@ -1,80 +0,0 @@
-package pgproto3
-
-import (
- "bytes"
- "encoding/json"
- "errors"
-)
-
-type Describe struct {
- ObjectType byte // 'S' = prepared statement, 'P' = portal
- Name string
-}
-
-// Frontend identifies this message as sendable by a PostgreSQL frontend.
-func (*Describe) Frontend() {}
-
-// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
-// type identifier and 4 byte message length.
-func (dst *Describe) Decode(src []byte) error {
- if len(src) < 2 {
- return &invalidMessageFormatErr{messageType: "Describe"}
- }
-
- dst.ObjectType = src[0]
- rp := 1
-
- idx := bytes.IndexByte(src[rp:], 0)
- if idx != len(src[rp:])-1 {
- return &invalidMessageFormatErr{messageType: "Describe"}
- }
-
- dst.Name = string(src[rp : len(src)-1])
-
- return nil
-}
-
-// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
-func (src *Describe) Encode(dst []byte) ([]byte, error) {
- dst, sp := beginMessage(dst, 'D')
- dst = append(dst, src.ObjectType)
- dst = append(dst, src.Name...)
- dst = append(dst, 0)
- return finishMessage(dst, sp)
-}
-
-// MarshalJSON implements encoding/json.Marshaler.
-func (src Describe) MarshalJSON() ([]byte, error) {
- return json.Marshal(struct {
- Type string
- ObjectType string
- Name string
- }{
- Type: "Describe",
- ObjectType: string(src.ObjectType),
- Name: src.Name,
- })
-}
-
-// UnmarshalJSON implements encoding/json.Unmarshaler.
-func (dst *Describe) UnmarshalJSON(data []byte) error {
- // Ignore null, like in the main JSON package.
- if string(data) == "null" {
- return nil
- }
-
- var msg struct {
- ObjectType string
- Name string
- }
- if err := json.Unmarshal(data, &msg); err != nil {
- return err
- }
- if len(msg.ObjectType) != 1 {
- return errors.New("invalid length for Describe.ObjectType")
- }
-
- dst.ObjectType = byte(msg.ObjectType[0])
- dst.Name = msg.Name
- return nil
-}