From a97ba0c34a638cdd470d03c2a459ed0c7acacd09 Mon Sep 17 00:00:00 2001
From: Jack Christensen <jack@jackchristensen.com>
Date: Sat, 2 Jul 2022 21:49:16 -0500
Subject: [PATCH] Remove ReceiveResults

Pipeline mode should be used instead.
---
 CHANGELOG.md     |  2 ++
 pgconn/pgconn.go | 33 ---------------------------------
 2 files changed, 2 insertions(+), 33 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 81b6cb26..a51ef9bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ pgconn now uses non-blocking IO. This is a significant internal restructuring, b
 
 pgconn now supports pipeline mode.
 
+`*PgConn.ReceiveResults` removed. Use pipeline mode instead.
+
 ## pgtype
 
 The `pgtype` package has been significantly changed.
diff --git a/pgconn/pgconn.go b/pgconn/pgconn.go
index b386a786..6f6f0486 100644
--- a/pgconn/pgconn.go
+++ b/pgconn/pgconn.go
@@ -917,39 +917,6 @@ func (pgConn *PgConn) Exec(ctx context.Context, sql string) *MultiResultReader {
 	return multiResult
 }
 
-// ReceiveResults reads the result that might be returned by Postgres after a SendBytes
-// (e.a. after sending a CopyDone in a copy-both situation).
-//
-// This is a very low level method that requires deep understanding of the PostgreSQL wire protocol to use correctly.
-// See https://www.postgresql.org/docs/current/protocol.html.
-func (pgConn *PgConn) ReceiveResults(ctx context.Context) *MultiResultReader {
-	if err := pgConn.lock(); err != nil {
-		return &MultiResultReader{
-			closed: true,
-			err:    err,
-		}
-	}
-
-	pgConn.multiResultReader = MultiResultReader{
-		pgConn: pgConn,
-		ctx:    ctx,
-	}
-	multiResult := &pgConn.multiResultReader
-	if ctx != context.Background() {
-		select {
-		case <-ctx.Done():
-			multiResult.closed = true
-			multiResult.err = newContextAlreadyDoneError(ctx)
-			pgConn.unlock()
-			return multiResult
-		default:
-		}
-		pgConn.contextWatcher.Watch(ctx)
-	}
-
-	return multiResult
-}
-
 // ExecParams executes a command via the PostgreSQL extended query protocol.
 //
 // sql is a SQL command string. It may only contain one query. Parameter substitution is positional using $1, $2, $3,