remove_unnecessary_code_in_psql_watch.patch

diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 5c906e4806..c03e47744e 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -5312,20 +5312,10 @@ do_watch(PQExpBuffer query_buf, double sleep, int iter, int min_rows)
 			continue;
 
 #ifdef WIN32
-
-		/*
-		 * Set up cancellation of 'watch' via SIGINT.  We redo this each time
-		 * through the loop since it's conceivable something inside
-		 * PSQLexecWatch could change sigint_interrupt_jmp.
-		 */
-		if (sigsetjmp(sigint_interrupt_jmp, 1) != 0)
-			break;
-
 		/*
-		 * Enable 'watch' cancellations and wait a while before running the
-		 * query again.  Break the sleep into short intervals (at most 1s).
+		 * Wait a while before running the query again.  Break the sleep into
+		 * short intervals (at most 1s).
 		 */
-		sigint_interrupt_enabled = true;
 		for (long i = sleep_ms; i > 0;)
 		{
 			long		s = Min(i, 1000L);
@@ -5335,7 +5325,6 @@ do_watch(PQExpBuffer query_buf, double sleep, int iter, int min_rows)
 				break;
 			i -= s;
 		}
-		sigint_interrupt_enabled = false;
 #else
 		/* sigwait() will handle SIGINT. */
 		sigprocmask(SIG_BLOCK, &sigint, NULL);