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/whois_counts.sql

@@ -0,0 +1,33 @@
+  -- 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 for WHOIS metrics.
+
+  -- This searches the monthly appengine logs for Whois requests, and
+  -- counts the number of hits via both endpoints (port 43 and the web).
+
+SELECT
+  -- Whois applies to all TLDs, hence the 'null' magic value.
+  STRING(NULL) AS tld,
+  -- Whois queries over port 43 get forwarded by the proxy to /_dr/whois,
+  -- while web queries come in via /whois/<params>.
+  CASE
+    WHEN requestPath = '/_dr/whois' THEN 'whois-43-queries'
+    WHEN LEFT(requestPath, 7) = '/whois/' THEN 'web-whois-queries'
+  END AS metricName,
+  INTEGER(COUNT(requestPath)) AS count,
+FROM
+  [%MONTHLY_LOGS_DATA_SET%.%MONTHLY_LOGS_TABLE%]
+GROUP BY metricName
+HAVING metricName IS NOT NULL