diff options
author | 2023-05-12 14:33:40 +0200 | |
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committer | 2023-05-12 14:33:40 +0200 | |
commit | ec325fee141c1e9757144a0a4094061b56839b78 (patch) | |
tree | 2948ab4ef5702cc8478ab2be841340b946bdb867 /vendor/github.com/jackc/pgx/v5/pgproto3/execute.go | |
parent | [frogend/bugfix] fix dynamicSpoiler elements (#1771) (diff) | |
download | gotosocial-ec325fee141c1e9757144a0a4094061b56839b78.tar.xz |
[chore] Update a bunch of database dependencies (#1772)
* [chore] Update a bunch of database dependencies
* fix lil thing
Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/execute.go')
-rw-r--r-- | vendor/github.com/jackc/pgx/v5/pgproto3/execute.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/execute.go b/vendor/github.com/jackc/pgx/v5/pgproto3/execute.go new file mode 100644 index 000000000..a5fee7cb9 --- /dev/null +++ b/vendor/github.com/jackc/pgx/v5/pgproto3/execute.go @@ -0,0 +1,65 @@ +package pgproto3 + +import ( + "bytes" + "encoding/binary" + "encoding/json" + + "github.com/jackc/pgx/v5/internal/pgio" +) + +type Execute struct { + Portal string + MaxRows uint32 +} + +// Frontend identifies this message as sendable by a PostgreSQL frontend. +func (*Execute) 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 *Execute) Decode(src []byte) error { + buf := bytes.NewBuffer(src) + + b, err := buf.ReadBytes(0) + if err != nil { + return err + } + dst.Portal = string(b[:len(b)-1]) + + if buf.Len() < 4 { + return &invalidMessageFormatErr{messageType: "Execute"} + } + dst.MaxRows = binary.BigEndian.Uint32(buf.Next(4)) + + return nil +} + +// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length. +func (src *Execute) Encode(dst []byte) []byte { + dst = append(dst, 'E') + sp := len(dst) + dst = pgio.AppendInt32(dst, -1) + + dst = append(dst, src.Portal...) + dst = append(dst, 0) + + dst = pgio.AppendUint32(dst, src.MaxRows) + + pgio.SetInt32(dst[sp:], int32(len(dst[sp:]))) + + return dst +} + +// MarshalJSON implements encoding/json.Marshaler. +func (src Execute) MarshalJSON() ([]byte, error) { + return json.Marshal(struct { + Type string + Portal string + MaxRows uint32 + }{ + Type: "Execute", + Portal: src.Portal, + MaxRows: src.MaxRows, + }) +} |