From ffd9685a6e4cc2750070220bc4bccb2cc2ba0e6c Mon Sep 17 00:00:00 2001
From: Artem Gavrilov <artem.gavrilov@percona.com>
Date: Mon, 27 May 2024 12:35:03 +0200
Subject: [PATCH] Fix t/027_local_blocks.pl test for older PG versions

---
 t/027_local_blocks.pl | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/t/027_local_blocks.pl b/t/027_local_blocks.pl
index be2d52b..f45b939 100644
--- a/t/027_local_blocks.pl
+++ b/t/027_local_blocks.pl
@@ -70,9 +70,13 @@ is($stdout,'t',"Check: local_blks_hit should not be 0.");
 trim($stdout);
 is($stdout,'t',"Check: local_blks_dirtied should not be 0.");
 
-($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT SUM(PGSM.local_blk_write_time) != 0 FROM pg_stat_monitor AS PGSM WHERE PGSM.query LIKE \'%INSERT INTO t1%\'', extra_params => ['-Pformat=unaligned','-Ptuples_only=on']);
-trim($stdout);
-is($stdout,'t',"Check: local_blk_write_time should not be 0.");
+if ($PGSM::PG_MAJOR_VERSION => 17)
+{
+    ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT SUM(PGSM.local_blk_write_time) != 0 FROM pg_stat_monitor AS PGSM WHERE PGSM.query LIKE \'%INSERT INTO t1%\'', extra_params => ['-Pformat=unaligned','-Ptuples_only=on']);
+    trim($stdout);
+    is($stdout,'t',"Check: local_blk_write_time should not be 0.");
+}
+
 
 # Compare values for query 'SELECT * FROM t1' 
 ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT PGSM.local_blks_hit != 0 FROM pg_stat_monitor AS PGSM WHERE PGSM.query LIKE \'%FROM t1%\';', extra_params => ['-Pformat=unaligned','-Ptuples_only=on']);
@@ -80,9 +84,12 @@ trim($stdout);
 is($stdout,'t',"Check: local_blks_hit should not be 0.");
 
 # TODO: Find a way how to bypass cache and ger real block reads
-# ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT SUM(PGSM.local_blk_read_time) != 0 FROM pg_stat_monitor AS PGSM WHERE PGSM.query LIKE \'%FROM t1%\';', extra_params => ['-Pformat=unaligned','-Ptuples_only=on']);
-# trim($stdout);
-# is($stdout,'t',"Check: local_blk_read_time should not be 0.");
+# if ($PGSM::PG_MAJOR_VERSION => 17)
+# {
+#     ($cmdret, $stdout, $stderr) = $node->psql('postgres', 'SELECT SUM(PGSM.local_blk_read_time) != 0 FROM pg_stat_monitor AS PGSM WHERE PGSM.query LIKE \'%FROM t1%\';', extra_params => ['-Pformat=unaligned','-Ptuples_only=on']);
+#     trim($stdout);
+#     is($stdout,'t',"Check: local_blk_read_time should not be 0.");
+# }
 
 # DROP EXTENSION
 $stdout = $node->safe_psql('postgres', 'DROP EXTENSION pg_stat_monitor;', extra_params => ['-a']);