Compatibility with pg14 (#43)

.github/workflows/tests.yaml

@@ -23,13 +23,14 @@ jobs:
         - '11'
         - '12'
         - '13'
+        - '14'
 
     steps:
     - uses: actions/checkout@v1
     - name: Set up packages
       run: |
         set -e
-        sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+        sudo sh -c "echo \"deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main $PG\" > /etc/apt/sources.list.d/pgdg.list"
         sudo apt-get update
         sudo apt-get install -yq --no-install-suggests --no-install-recommends curl postgresql-common lcov libevent-dev pv brotli libbrotli1 libbrotli-dev
         # forbid creation of a main cluster when package is installed
@@ -50,7 +51,7 @@ jobs:
     - name: Run tests
       run: |
         PATH=/usr/lib/postgresql/$PG/bin:$PATH bash -x test.sh
-        if grep -E '(ERROR|FATAL)' test_cluster?/pg_log/postgresql.log | grep -Ev '(no COPY in progress|could not connect to|could not send|database system is shutting|error reading result of streaming command|database system is starting up|log:noisia)'; then exit 1; fi
+        if grep -E '(ERROR|FATAL)' test_cluster?/pg_log/postgresql.log | grep -Ev '(no COPY in progress|could not connect to|could not send|the database system is not yet accepting connections|database system is shutting|error reading result of streaming command|database system is starting up|log:noisia)'; then exit 1; fi
 
     - name: Generate lcov.info
       run: |

postgres_stats.c

@@ -29,6 +29,7 @@
 #include "storage/ipc.h"
 #include "storage/predicate_internals.h"
 #include "storage/procarray.h"
+#include "storage/proc.h"
 
 #include "system_stats.h"
 #include "postgres_stats.h"
@@ -1277,7 +1278,11 @@ pg_stat get_postgres_stats(void)
 #endif
 	pg_stats_new.wal_metrics.last_wal_replay_lsn = GetXLogReplayRecPtr(NULL);
 	pg_stats_new.wal_metrics.last_xact_replay_timestamp = GetLatestXTime();
+#if PG_VERSION_NUM >= 140000
+	pg_stats_new.wal_metrics.is_wal_replay_paused = GetRecoveryPauseState() != RECOVERY_NOT_PAUSED;
+#else
 	pg_stats_new.wal_metrics.is_wal_replay_paused = RecoveryIsPaused();
+#endif
 
 
 	merge_stats(&pg_stats_new.activity, proc_stats);