Add pgxn-releas workflow

Add dependencies and other data to `META.json`, and add `.gitattributes`
so that `git archive` excludes files not needed in the release archive.

.gitattributes

@@ -0,0 +1,3 @@
+.gitignore export-ignore
+.gitattributes export-ignore
+.github export-ignore

.github/workflows/pgxn-release.yml

@@ -0,0 +1,20 @@
+name: ⚙️ Release on PGXN
+on:
+  push:
+    # Release on semantic version tag.
+    tags: ['v[0-9]+.[0-9]+.[0-9]+']
+jobs:
+  release:
+    name: Release on PGXN
+    runs-on: ubuntu-latest
+    container: pgxn/pgxn-tools
+    steps:
+    - name: Check out the repo
+      uses: actions/checkout@v4
+    - name: Bundle the Release
+      run: pgxn-bundle
+    - name: Release on PGXN
+      env:
+        PGXN_USERNAME: ${{ secrets.PGXN_USERNAME }}
+        PGXN_PASSWORD: ${{ secrets.PGXN_PASSWORD }}
+      run: pgxn-release

META.json

@@ -4,19 +4,45 @@
   "description": "Convenience API for Tembo time series stack",
   "version": "0.1.1",
   "maintainer": [
-     "Jason Petersen <[email protected]>"
+    "Jason Petersen <[email protected]>"
   ],
   "license": "mit",
   "provides": {
-     "timeseries": {
-        "abstract": "Convenience API for Tembo time series stack",
-        "file": "sql/timeseries.sql",
-        "docfile": "doc/timeseries.md",
-        "version": "0.1.1"
-     }
+    "timeseries": {
+      "abstract": "Convenience API for Tembo time series stack",
+      "file": "sql/timeseries.sql",
+      "docfile": "doc/timeseries.md",
+      "version": "0.1.1"
+    }
   },
+  "prereqs": {
+    "runtime": {
+      "requires": {
+        "PostgreSQL": "14.0.0"
+      },
+      "recommends": {
+        "pg_partman": "4.5.1"
+      }
+    }
+  },
+  "resources": {
+    "bugtracker": {
+      "web": "https://github.com/tembo-io/pg_timeseries/issues/"
+    },
+    "repository": {
+      "url": "git://github.com/tembo-io/pg_timeseries.git",
+      "web": "https://github.com/tembo-io/pg_timeseries/",
+      "type": "git"
+    }
+  },
+  "generated_by": "Jason Petersen",
   "meta-spec": {
-     "version": "1.0.0",
-     "url": "https://pgxn.org/meta/spec.txt"
-  }
-}
+    "version": "1.0.0",
+    "url": "https://pgxn.org/meta/spec.txt"
+  },
+  "tags": [
+    "time series",
+    "partition",
+    "retention"
+  ]
+}

doc/timeseries.md

@@ -12,7 +12,7 @@ SELECT enable_ts_table('sensor_readings');
 
 With this one call, several things will happen:
 
-  * The table will be restructred as a series of partitions using PostgreSQL's [native PARTITION features](https://www.postgresql.org/docs/current/ddl-partitioning.html)
+  * The table will be restructured as a series of partitions using PostgreSQL's [native PARTITION features](https://www.postgresql.org/docs/current/ddl-partitioning.html)
   * Each partition covers a particular range of time (one week by default)
   * New partitions will be created for some time in the future (one month by default)
   * Once an hour, a maintenance job will create any missing partitions as well as needed future ones