511 - add create_queue db migration

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pg-boss",
-  "version": "10.1.4",
+  "version": "10.1.5",
   "description": "Queueing jobs in Postgres from Node.js like a boss",
   "main": "./src/index.js",
   "engines": {
@@ -23,7 +23,8 @@
     "cover": "nyc npm test",
     "tsc": "tsc --noEmit types.d.ts",
     "readme": "node ./test/readme.js",
-    "migrate": "node -e 'console.log(require(\"./src\").getMigrationPlans())'"
+    "db:migrate": "node -e 'console.log(require(\"./src\").getMigrationPlans())'",
+    "db:construct": "node -e 'console.log(require(\"./src\").getConstructionPlans())'"
   },
   "mocha": {
     "timeout": 10000,

src/migrationStore.js

@@ -64,6 +64,72 @@ function migrate (value, version, migrations) {
 
 function getAll (schema) {
   return [
+    {
+      release: '10.1.5',
+      version: 24,
+      previous: 23,
+      install: [
+        `
+        CREATE OR REPLACE FUNCTION ${schema}.create_queue(queue_name text, options json)
+        RETURNS VOID AS
+        $$
+        DECLARE
+          table_name varchar := 'j' || encode(sha224(queue_name::bytea), 'hex');
+          queue_created_on timestamptz;
+        BEGIN
+
+          WITH q as (
+            INSERT INTO ${schema}.queue (
+              name,
+              policy,
+              retry_limit,
+              retry_delay,
+              retry_backoff,
+              expire_seconds,
+              retention_minutes,
+              dead_letter,
+              partition_name
+            )
+            VALUES (
+              queue_name,
+              options->>'policy',
+              (options->>'retryLimit')::int,
+              (options->>'retryDelay')::int,
+              (options->>'retryBackoff')::bool,
+              (options->>'expireInSeconds')::int,
+              (options->>'retentionMinutes')::int,
+              options->>'deadLetter',
+              table_name
+            )
+            ON CONFLICT DO NOTHING
+            RETURNING created_on
+          )
+          SELECT created_on into queue_created_on from q;
+
+          IF queue_created_on IS NULL THEN
+            RETURN;
+          END IF;
+
+          EXECUTE format('CREATE TABLE ${schema}.%I (LIKE ${schema}.job INCLUDING DEFAULTS)', table_name);
+
+          EXECUTE format('ALTER TABLE ${schema}.%1$I ADD PRIMARY KEY (name, id)', table_name);
+          EXECUTE format('ALTER TABLE ${schema}.%1$I ADD CONSTRAINT q_fkey FOREIGN KEY (name) REFERENCES ${schema}.queue (name) ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED', table_name);
+          EXECUTE format('ALTER TABLE ${schema}.%1$I ADD CONSTRAINT dlq_fkey FOREIGN KEY (dead_letter) REFERENCES ${schema}.queue (name) ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED', table_name);
+          EXECUTE format('CREATE UNIQUE INDEX %1$s_i1 ON ${schema}.%1$I (name, COALESCE(singleton_key, '''')) WHERE state = ''created'' AND policy = ''short''', table_name);
+          EXECUTE format('CREATE UNIQUE INDEX %1$s_i2 ON ${schema}.%1$I (name, COALESCE(singleton_key, '''')) WHERE state = ''active'' AND policy = ''singleton''', table_name);
+          EXECUTE format('CREATE UNIQUE INDEX %1$s_i3 ON ${schema}.%1$I (name, state, COALESCE(singleton_key, '''')) WHERE state <= ''active'' AND policy = ''stately''', table_name);
+          EXECUTE format('CREATE UNIQUE INDEX %1$s_i4 ON ${schema}.%1$I (name, singleton_on, COALESCE(singleton_key, '''')) WHERE state <> ''cancelled'' AND singleton_on IS NOT NULL', table_name);
+          EXECUTE format('CREATE INDEX %1$s_i5 ON ${schema}.%1$I (name, start_after) INCLUDE (priority, created_on, id) WHERE state < ''active''', table_name);
+
+          EXECUTE format('ALTER TABLE ${schema}.%I ADD CONSTRAINT cjc CHECK (name=%L)', table_name, queue_name);
+          EXECUTE format('ALTER TABLE ${schema}.job ATTACH PARTITION ${schema}.%I FOR VALUES IN (%L)', table_name, queue_name);
+        END;
+        $$
+        LANGUAGE plpgsql
+        `
+      ],
+      uninstall: []
+    },
     {
       release: '10.1.1',
       version: 23,

src/plans.js

@@ -332,7 +332,7 @@ function createPrimaryKeyArchive (schema) {
 }
 
 function createIndexJobPolicyShort (schema) {
-  return `CREATE UNIQUE INDEX job_i1 ON ${schema}.job (name, COALESCE(singleton_key, '')) WHERE state = '${JOB_STATES.created}' AND policy = '${QUEUE_POLICIES.short}';`
+  return `CREATE UNIQUE INDEX job_i1 ON ${schema}.job (name, COALESCE(singleton_key, '')) WHERE state = '${JOB_STATES.created}' AND policy = '${QUEUE_POLICIES.short}'`
 }
 
 function createIndexJobPolicySingleton (schema) {

version.json

@@ -1,3 +1,3 @@
 {
-  "schema": 23
+  "schema": 24
 }