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2dc9fc1626* start moving to bun * changing more stuff * more * and yet more * tests passing * seems stable now * more big changes * small fix * little fixes
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package pgproto3
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import (
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"bytes"
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"encoding/json"
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"github.com/jackc/pgio"
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)
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type Query struct {
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String string
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}
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// Frontend identifies this message as sendable by a PostgreSQL frontend.
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func (*Query) Frontend() {}
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// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
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// type identifier and 4 byte message length.
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func (dst *Query) Decode(src []byte) error {
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i := bytes.IndexByte(src, 0)
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if i != len(src)-1 {
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return &invalidMessageFormatErr{messageType: "Query"}
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}
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dst.String = string(src[:i])
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return nil
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}
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// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
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func (src *Query) Encode(dst []byte) []byte {
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dst = append(dst, 'Q')
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dst = pgio.AppendInt32(dst, int32(4+len(src.String)+1))
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dst = append(dst, src.String...)
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dst = append(dst, 0)
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return dst
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}
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// MarshalJSON implements encoding/json.Marshaler.
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func (src Query) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Type string
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String string
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}{
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Type: "Query",
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String: src.String,
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})
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}
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