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-rw-r--r--src/bin/psql/copy.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/src/bin/psql/copy.c b/src/bin/psql/copy.c
index ebe5ee9ea55..2e1dff7f483 100644
--- a/src/bin/psql/copy.c
+++ b/src/bin/psql/copy.c
@@ -350,7 +350,9 @@ do_copy(const char *args)
PQresultStatus(result));
/* if still in COPY IN state, try to get out of it */
if (PQresultStatus(result) == PGRES_COPY_IN)
- PQputCopyEnd(pset.db, _("trying to exit copy mode"));
+ PQputCopyEnd(pset.db,
+ (PQprotocolVersion(pset.db) < 3) ? NULL :
+ _("trying to exit copy mode"));
PQclear(result);
}
@@ -397,15 +399,15 @@ handleCopyOut(PGconn *conn, FILE *copystream)
ret = PQgetCopyData(conn, &buf, 0);
if (ret < 0)
- break; /* done or error */
+ break; /* done or server/connection error */
if (buf)
{
- if (fwrite(buf, 1, ret, copystream) != ret)
+ if (OK && fwrite(buf, 1, ret, copystream) != ret)
{
- if (OK) /* complain only once, keep reading data */
- psql_error("could not write COPY data: %s\n",
- strerror(errno));
+ psql_error("could not write COPY data: %s\n",
+ strerror(errno));
+ /* complain only once, keep reading data from server */
OK = false;
}
PQfreemem(buf);
@@ -469,7 +471,9 @@ handleCopyIn(PGconn *conn, FILE *copystream, bool isbinary)
/* got here with longjmp */
/* Terminate data transfer */
- PQputCopyEnd(conn, _("canceled by user"));
+ PQputCopyEnd(conn,
+ (PQprotocolVersion(conn) < 3) ? NULL :
+ _("canceled by user"));
/* Check command status and return to normal libpq state */
res = PQgetResult(conn);
@@ -597,7 +601,8 @@ handleCopyIn(PGconn *conn, FILE *copystream, bool isbinary)
/* Terminate data transfer */
if (PQputCopyEnd(conn,
- OK ? NULL : _("aborted because of read failure")) <= 0)
+ (OK || PQprotocolVersion(conn) < 3) ? NULL :
+ _("aborted because of read failure")) <= 0)
OK = false;
/* Check command status and return to normal libpq state */