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path: root/vendor/github.com/jackc/pgx/v5/pgproto3/query.go
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Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/query.go')
-rw-r--r--vendor/github.com/jackc/pgx/v5/pgproto3/query.go45
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/query.go b/vendor/github.com/jackc/pgx/v5/pgproto3/query.go
new file mode 100644
index 0000000..aebdfde
--- /dev/null
+++ b/vendor/github.com/jackc/pgx/v5/pgproto3/query.go
@@ -0,0 +1,45 @@
+package pgproto3
+
+import (
+ "bytes"
+ "encoding/json"
+)
+
+type Query struct {
+ String string
+}
+
+// Frontend identifies this message as sendable by a PostgreSQL frontend.
+func (*Query) 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 *Query) Decode(src []byte) error {
+ i := bytes.IndexByte(src, 0)
+ if i != len(src)-1 {
+ return &invalidMessageFormatErr{messageType: "Query"}
+ }
+
+ dst.String = string(src[:i])
+
+ return nil
+}
+
+// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
+func (src *Query) Encode(dst []byte) ([]byte, error) {
+ dst, sp := beginMessage(dst, 'Q')
+ dst = append(dst, src.String...)
+ dst = append(dst, 0)
+ return finishMessage(dst, sp)
+}
+
+// MarshalJSON implements encoding/json.Marshaler.
+func (src Query) MarshalJSON() ([]byte, error) {
+ return json.Marshal(struct {
+ Type string
+ String string
+ }{
+ Type: "Query",
+ String: src.String,
+ })
+}