feat: Adds the enums to every column

Fixes #12

Author: kiwicopple

dist/lib/sql/tables/list.sql

@@ -51,7 +51,13 @@ columns AS (
       (table_schema || '."' || table_name || '"') :: regclass,
       ordinal_position
     ) as description,
-    (table_schema || '.' || table_name) as table_id
+    (table_schema || '.' || table_name) as table_id,
+    array_to_json(array(
+      select   enumlabel
+      FROM     pg_catalog.pg_enum enums
+      WHERE    udt_name = pg_catalog.Format_type(enums.enumtypid::regclass, NULL) 
+      ORDER BY enums.enumsortorder
+    )) AS enums
   from
     information_schema.columns
 ),

docs/source/index.html.md

@@ -381,6 +381,7 @@ Get your Postgres version information.
   bytes: number
   size: string
   relationships: Tables.Relationship[]
+  enums: string[]
 }
 ```
 

src/lib/interfaces/tables.ts

@@ -10,6 +10,7 @@ export namespace Tables {
     bytes: number
     size: string
     relationships: Tables.Relationship[]
+    enums: string[]
   }
 
   export interface Relationship {

src/lib/sql/tables/list.sql

@@ -51,7 +51,13 @@ columns AS (
       (table_schema || '."' || table_name || '"') :: regclass,
       ordinal_position
     ) as description,
-    (table_schema || '.' || table_name) as table_id
+    (table_schema || '.' || table_name) as table_id,
+    array_to_json(array(
+      select   enumlabel
+      FROM     pg_catalog.pg_enum enums
+      WHERE    udt_name = pg_catalog.Format_type(enums.enumtypid::regclass, NULL) 
+      ORDER BY enums.enumsortorder
+    )) AS enums
   from
     information_schema.columns
 ),

test/integration/index.spec.js

@@ -133,12 +133,14 @@ describe('/tables', async () => {
     const datum = tables.data.find((x) => x.table_id == 'public.users')
     const idColumn = datum.columns.find((x) => x.name == 'id')
     const nameColumn = datum.columns.find((x) => x.name == 'name')
+    const statusColumn = datum.columns.find((x) => x.name == 'status')
     assert.equal(true, !!datum)
     assert.equal(datum.columns.length > 0, true)
     assert.equal(datum.primary_keys.length > 0, true)
     assert.equal(idColumn.is_updatable, true)
     assert.equal(idColumn.is_identity, true)
     assert.equal(nameColumn.is_identity, false)
+    assert.equal(statusColumn.enums.length, 2)
   })
   it('should return the grants', async () => {
     const tables = await axios.get(`${URL}/tables`)

test/postgres/mnt/00-init.sql

@@ -5,7 +5,8 @@
 CREATE TYPE public.user_status AS ENUM ('ACTIVE', 'INACTIVE');
 CREATE TABLE public.users (
   id bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
-  name text
+  name text,
+  status user_status DEFAULT 'ACTIVE'
 );
 INSERT INTO 
     public.users (name)