1 files changed, 51 insertions, 0 deletions
diff --git a/community/postgresql-pglogical/001-fix-stdin-handling.patch b/community/postgresql-pglogical/001-fix-stdin-handling.patch
new file mode 100644
index 0000000000..8ba3f6c958
--- /dev/null
+++ b/community/postgresql-pglogical/001-fix-stdin-handling.patch
@@ -0,0 +1,51 @@
+diff --git a/pglogical_apply_spi.c b/pglogical_apply_spi.c
+index 3eaccc4..111a4eb 100644
+--- a/pglogical_apply_spi.c
++++ b/pglogical_apply_spi.c
+@@ -454,7 +454,7 @@ static void
+ pglogical_proccess_copy(pglogical_copyState *pglcstate)
+ {
+ 	uint64	processed;
+-	FILE	*save_stdin;
++	int		save_stdin;
+ 
+ 	if (!pglcstate->copy_parsetree || !pglcstate->copy_buffered_tuples)
+ 		return;
+@@ -489,8 +489,16 @@ pglogical_proccess_copy(pglogical_copyState *pglcstate)
+ 	 * for this relation. Before that we save the current 'stdin' stream and
+ 	 * restore it back when the COPY is done
+ 	 */
+-	save_stdin = stdin;
+-	stdin = pglcstate->copy_read_file;
++	save_stdin = dup(fileno(stdin));
++	if (save_stdin < 0)
++		ereport(FATAL,
++				(errcode_for_file_access(),
++				 errmsg("could not save stdin: %m")));
++
++	if (dup2(fileno(pglcstate->copy_read_file), fileno(stdin)) < 0)
++		ereport(FATAL,
++				(errcode_for_file_access(),
++				 errmsg("could not redirect stdin: %m")));
+ 
+ 	/* COPY may call into SPI (triggers, ...) and we already are in SPI. */
+ 	SPI_push();
+@@ -501,10 +509,17 @@ pglogical_proccess_copy(pglogical_copyState *pglcstate)
+ 
+ 	/* Clean up SPI state */
+ 	SPI_pop();
++	/*
++	 * Also close the read end of the pipe and restore 'stdin' to its original
++	 * value
++	 */
++	if (dup2(save_stdin, fileno(stdin)) < 0)
++		ereport(FATAL,
++				(errcode_for_file_access(),
++				 errmsg("could not restore stdin: %m")));
+ 
+ 	fclose(pglcstate->copy_read_file);
+ 	pglcstate->copy_read_file = NULL;
+-	stdin = save_stdin;
+ 
+ 	/* Ensure we processed correct number of tuples */
+ 	Assert(processed == pglcstate->copy_buffered_tuples);