diff options
Diffstat (limited to 'src/bin/psql/common.c')
| -rw-r--r-- | src/bin/psql/common.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c index 3e4e444f3fd..47352b7faed 100644 --- a/src/bin/psql/common.c +++ b/src/bin/psql/common.c @@ -1867,6 +1867,21 @@ ExecQueryAndProcessResults(const char *query, { FILE *copy_stream = NULL; + if (pset.piped_syncs > 1) + { + /* + * When reading COPY data, the backend ignores sync messages + * and will not send a matching ReadyForQuery response. Even + * if we adjust piped_syncs and requested_results, it is not + * possible to salvage this as the sync message would still be + * in libpq's command queue and we would be stuck in a busy + * pipeline state. Thus, we abort the connection to avoid + * this state. + */ + pg_log_info("\\syncpipeline after COPY is not supported, aborting connection"); + exit(EXIT_BADCONN); + } + /* * For COPY OUT, direct the output to the default place (probably * a pager pipe) for \watch, or to pset.copyStream for \copy, |