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path: root/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go
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Diffstat (limited to 'vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go')
-rw-r--r--vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go b/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go
new file mode 100644
index 0000000..cbcaad4
--- /dev/null
+++ b/vendor/github.com/jackc/pgx/v5/pgproto3/no_data.go
@@ -0,0 +1,34 @@
+package pgproto3
+
+import (
+ "encoding/json"
+)
+
+type NoData struct{}
+
+// Backend identifies this message as sendable by the PostgreSQL backend.
+func (*NoData) Backend() {}
+
+// 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 *NoData) Decode(src []byte) error {
+ if len(src) != 0 {
+ return &invalidMessageLenErr{messageType: "NoData", expectedLen: 0, actualLen: len(src)}
+ }
+
+ return nil
+}
+
+// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
+func (src *NoData) Encode(dst []byte) ([]byte, error) {
+ return append(dst, 'n', 0, 0, 0, 4), nil
+}
+
+// MarshalJSON implements encoding/json.Marshaler.
+func (src NoData) MarshalJSON() ([]byte, error) {
+ return json.Marshal(struct {
+ Type string
+ }{
+ Type: "NoData",
+ })
+}