Rehuffle where things are in the internal package (#1122)

renamed:    internal/eventcontent.go -> internal/eventutil/eventcontent.go
	renamed:    internal/events.go -> internal/eventutil/events.go
	renamed:    internal/types.go -> internal/eventutil/types.go
	renamed:    internal/http/http.go -> internal/httputil/http.go
	renamed:    internal/httpapi.go -> internal/httputil/httpapi.go
	renamed:    internal/httpapi_test.go -> internal/httputil/httpapi_test.go
	renamed:    internal/httpapis/paths.go -> internal/httputil/paths.go
	renamed:    internal/routing.go -> internal/httputil/routing.go
	renamed:    internal/basecomponent/base.go -> internal/setup/base.go
	renamed:    internal/basecomponent/flags.go -> internal/setup/flags.go
	renamed:    internal/partition_offset_table.go -> internal/sqlutil/partition_offset_table.go
	renamed:    internal/postgres.go -> internal/sqlutil/postgres.go
	renamed:    internal/postgres_wasm.go -> internal/sqlutil/postgres_wasm.go
	renamed:    internal/sql.go -> internal/sqlutil/sql.go

1 files changed, 25 insertions, 0 deletions

diff --git a/internal/sqlutil/postgres.go b/internal/sqlutil/postgres.go
new file mode 100644
index 00000000..41a5508a
--- /dev/null
+++ b/internal/sqlutil/postgres.go
@@ -0,0 +1,25 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !wasm
+
+package sqlutil
+
+import "github.com/lib/pq"
+
+// IsUniqueConstraintViolationErr returns true if the error is a postgresql unique_violation error
+func IsUniqueConstraintViolationErr(err error) bool {
+	pqErr, ok := err.(*pq.Error)
+	return ok && pqErr.Code == "23505"
+}