migrations: add insights_query_runner_jobs table

internal/database/schema.md

@@ -572,6 +572,29 @@ Indexes:
 
 ```
 
+# Table "public.insights_query_runner_jobs"
+```
+     Column      |           Type           |                                Modifiers                                
+-----------------+--------------------------+-------------------------------------------------------------------------
+ id              | integer                  | not null default nextval('insights_query_runner_jobs_id_seq'::regclass)
+ series_id       | text                     | not null
+ search_query    | text                     | not null
+ state           | text                     | default 'queued'::text
+ failure_message | text                     | 
+ started_at      | timestamp with time zone | 
+ finished_at     | timestamp with time zone | 
+ process_after   | timestamp with time zone | 
+ num_resets      | integer                  | not null default 0
+ num_failures    | integer                  | not null default 0
+ execution_logs  | json[]                   | 
+Indexes:
+    "insights_query_runner_jobs_pkey" PRIMARY KEY, btree (id)
+    "insights_query_runner_jobs_state_btree" btree (state)
+
+```
+
+See [enterprise/internal/insights/background/queryrunner/worker.go:Job](https://sourcegraph.com/search?q=repo:%5Egithub%5C.com/sourcegraph/sourcegraph%24+file:enterprise/internal/insights/background/queryrunner/worker.go+type+Job&patternType=literal)
+
 # Table "public.lsif_dirty_repositories"
 ```
     Column     |           Type           | Modifiers 

migrations/frontend/1528395783_insights_query_runner_jobs.down.sql

@@ -0,0 +1,6 @@
+BEGIN;
+
+DROP INDEX IF EXISTS insights_query_runner_jobs_state_btree;
+DROP TABLE IF EXISTS insights_query_runner_jobs;
+
+COMMIT;

migrations/frontend/1528395783_insights_query_runner_jobs.up.sql

@@ -0,0 +1,20 @@
+BEGIN;
+
+CREATE TABLE IF NOT EXISTS insights_query_runner_jobs(
+    id SERIAL PRIMARY KEY,
+    series_id text NOT NULL,
+    search_query text NOT NULL,
+    state           text default 'queued',
+    failure_message text,
+    started_at      timestamptz,
+    finished_at     timestamptz,
+    process_after   timestamptz,
+    num_resets      int4 NOT NULL default 0,
+    num_failures    int4 NOT NULL default 0,
+    execution_logs json[]
+);
+CREATE INDEX insights_query_runner_jobs_state_btree ON insights_query_runner_jobs USING btree (state);
+
+COMMENT ON TABLE insights_query_runner_jobs IS 'See [enterprise/internal/insights/background/queryrunner/worker.go:Job](https://sourcegraph.com/search?q=repo:%5Egithub%5C.com/sourcegraph/sourcegraph%24+file:enterprise/internal/insights/background/queryrunner/worker.go+type+Job&patternType=literal)';
+
+COMMIT;