[OSSTEST PATCH 1/7] mg-schema-test-database: posgtres compat: psql transactions

[Ian Jackson <iwj@xenproject.org>]

Now (postgresql 11):

 * psql transaction behaviour has changed so that now we want to
   use the -1 option.  This obviates a few BEGIN and COMMITs.

 * SET implicitly starts a transaction and DROP and CREATE DATABASE
   aren't transactional and now complain if they are run in a
   transaction.  So we must add COMMIT after SET.

Signed-off-by: Ian Jackson <iwj@xenproject.org>
---
 mg-schema-create        |  2 +-
 mg-schema-test-database | 12 +++++-------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/mg-schema-create b/mg-schema-create
index 9bb3040a..3a344db4 100755
--- a/mg-schema-create
+++ b/mg-schema-create
@@ -89,7 +89,7 @@ fi
 
 $progress "Populating database..."
 
-$(get_psql_cmd) $quietopt -f schema/initial.sql
+$(get_psql_cmd) $quietopt -1 -f schema/initial.sql
 
 if $do_updates; then
     ./mg-schema-update $quietopt apply-all "${updates[@]}"
diff --git a/mg-schema-test-database b/mg-schema-test-database
index dab536c5..e69b9881 100755
--- a/mg-schema-test-database
+++ b/mg-schema-test-database
@@ -132,7 +132,7 @@ psql_query () {
 }
 
 psql_do_cmd () {
-	echo "$(get_psql_cmd) ${OSSTEST_DEBUG:+-e -a}" 
+	echo "$(get_psql_cmd) ${OSSTEST_DEBUG:+-e -a}" -1
 }
 
 psql_do () {
@@ -411,7 +411,9 @@ END
 	#---------- create test db ----------
 
 	psql_do <<END
+		COMMIT;
 		CREATE DATABASE $dbname;
+		BEGIN;
 END
 	withtest ./mg-schema-create -q --no-updates
 
@@ -449,12 +451,10 @@ END
 
 	for task in $tasks; do
 		psql_do <<END
-			BEGIN;
 			$(make_xdbref_task $dbname 'borrowed for test db' \
 				$task "$username@$nodename")
 			UPDATE resources SET owntaskid = $(borrowtaskid $task)
 				WHERE owntaskid=$task;
-			COMMIT;
 END
 	done
 
@@ -466,7 +466,6 @@ END
 
 	cat >>$t.import <<END
 		\o $t.import-output
-		BEGIN;
 		SET CONSTRAINTS ALL DEFERRED;
 END
 
@@ -500,7 +499,6 @@ END
 			WHERE owntaskid != $(borrowtaskid $task)
 			  AND owntaskid != $(taskid magic shared)
 			  AND owntaskid != $(taskid magic preparing);
-		COMMIT;
 END
 
 	printf "Copy..."
@@ -519,11 +517,9 @@ END
 
 	for task in $tasks; do
 		(withtest psql_do <<END
-			BEGIN;
 			UPDATE resources
 				SET owntaskid = $(taskid magic idle)
 				WHERE owntaskid = $(borrowtaskid $task);
-			COMMIT;
 END
                 )
 	done
@@ -551,7 +547,9 @@ drop)
 
 	psql_do <<END
                 SET client_min_messages = WARNING;
+		COMMIT;
 		DROP DATABASE IF EXISTS $dbname;
+		BEGIN;
 		UPDATE resources
 			SET owntaskid = CAST(tasks.refinfo AS INTEGER)
 			FROM tasks
-- 
2.20.1