Add activity reporting SQL query generation code

This allows us to have a modular view of all tables used in activity reporting, to facilitate generating reports in BigQuery.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=161849007

java/google/registry/reporting/sql/monthly_logs.sql

@@ -0,0 +1,28 @@
+  -- Copyright 2017 The Nomulus Authors. All Rights Reserved.
+  --
+  -- 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.
+
+  -- Query to fetch AppEngine request logs for the report month.
+
+  -- START_OF_MONTH and END_OF_MONTH should be in YYYY-MM-01 format.
+
+SELECT
+  protoPayload.resource AS requestPath,
+  protoPayload.line.logMessage AS logMessage,
+FROM
+  TABLE_DATE_RANGE_STRICT(
+    [%APPENGINE_LOGS_DATA_SET%.%REQUEST_TABLE%],
+    TIMESTAMP('%START_OF_MONTH%'),
+    -- End timestamp is inclusive, so subtract 1 day from the
+    -- timestamp representing the start of the next month.
+    DATE_ADD(TIMESTAMP('%END_OF_MONTH%'), -1, 'DAY'))