Run update test on PG 11.8 and 12.3

This patch changes the update test to run on PG 11.8 and 12.3 instead
of 11.0 and 12.0. This patch also adds additional diagnostic output
when errors occur during the update test.

.github/workflows/update-test.yaml

@@ -13,11 +13,11 @@ jobs:
     runs-on: 'ubuntu-18.04'
     strategy:
       matrix:
-        pg: ["11.0","12.0"]
+        pg: ["11.8","12.3"]
         include:
-          - pg: "11.0"
+          - pg: "11.8"
             pg_major: 11
-          - pg: "12.0"
+          - pg: "12.3"
             pg_major: 12
       fail-fast: false
     env:

scripts/test_update_from_tag.sh

@@ -80,7 +80,13 @@ docker_logs() {
 }
 
 docker_pgcmd() {
-    docker_exec $1 "psql -h localhost -U postgres -d single -c \"$2\""
+    set +e
+    docker_exec $1 "psql -h localhost -U postgres -d single -v VERBOSITY=verbose -c \"$2\""
+    if [ $? -ne 0 ]; then
+      docker_logs $1
+      exit 1
+    fi
+    set -e
 }
 
 docker_pgscript() {
@@ -96,7 +102,13 @@ docker_pgdiff() {
     diff_file=update_test.diff.${UPDATE_FROM_TAG}
     >&2 echo -e "\033[1m$1 vs $2\033[0m: $2"
     docker_pgtest $1 $3
+    if [ $? -ne 0 ]; then
+      docker_logs $1
+    fi
     docker_pgtest $2 $3
+    if [ $? -ne 0 ]; then
+      docker_logs $2
+    fi
     echo "RUNNING:  diff ${TEST_TMPDIR}/$1.out ${TEST_TMPDIR}/$2.out "
     diff -u ${TEST_TMPDIR}/$1.out ${TEST_TMPDIR}/$2.out | tee ${diff_file}
     if [ ! -s ${diff_file} ]; then