[COMMITTERS] pgsql: Force synchronous_commit=on in test_decoding's concurrent_ddl_dm

Force synchronous_commit=on in test_decoding's concurrent_ddl_dml.spec. Otherwise running installcheck-force on a server with synchronous_commit=off will result in the tests failing. All the other tests already do so... Backpatch: 9.4, where logical decoding was added Branch -- REL9_5_STABLE

[COMMITTERS] pgsql: Force synchronous_commit=on in test_decoding's concurrent_ddl_dm

Force synchronous_commit=on in test_decoding's concurrent_ddl_dml.spec. Otherwise running installcheck-force on a server with synchronous_commit=off will result in the tests failing. All the other tests already do so... Backpatch: 9.4, where logical decoding was added Branch -- REL9_4_STABLE

[COMMITTERS] pgsql: Force synchronous_commit=on in test_decoding's concurrent_ddl_dm

Force synchronous_commit=on in test_decoding's concurrent_ddl_dml.spec. Otherwise running installcheck-force on a server with synchronous_commit=off will result in the tests failing. All the other tests already do so... Backpatch: 9.4, where logical decoding was added Branch -- master Detai