chore: tidy up db scripts

apps/backend/README.md

@@ -4,8 +4,34 @@ Uses Supabase. You need docker running locally to start local dev. You only need
 
 ## Handy scripts:
 
+Note: all scripts assume the backend directory is the current working directory.
+
 Generating migrations when you've edited the DB in the console.
 
 ```
-supabase db diff --use-migra name_of_migration -f name_of_migration
+yarn supabase db diff --use-migra name_of_migration -f name_of_migration
+```
+
+Reset db after migration to test migration files
+
+```
+yarn supabase db reset
+```
+
+Link local to upstream project so you can push migrations to staging or prod projects
+
+```
+yarn supabase link --project-ref $PROJECT_REF
+```
+
+Push migrations to upstream / clooud project such as staging
+
+```
+yarn supabase db push
+```
+
+Generate db types after migrations (from root of monorepo)
+
+```
+yarn generate:db-types
 ```

apps/backend/supabase/migrations/20231001222733_remove-dupe-functions.sql

@@ -0,0 +1,7 @@
+drop function if exists "public"."match_page_sections_v2"(embedding vector, match_threshold double precision, match_count integer, min_content_length integer);
+
+drop function if exists "public"."match_page_sections_v2"(embedding vector, match_threshold double precision, min_content_length integer);
+
+drop function if exists "public"."match_page_sections_v3"(embedding vector, match_threshold double precision, min_content_length integer);
+
+

apps/backend/supabase/schema.gen.ts

@@ -189,72 +189,24 @@ export interface Database {
           similarity: number
         }[]
       }
-      match_page_sections_v2:
-        | {
-            Args: {
-              embedding: string
-              match_threshold: number
-              match_count: number
-              min_content_length: number
-            }
-            Returns: {
-              path: string
-              content: string
-              similarity: number
-            }[]
-          }
-        | {
-            Args: {
-              embedding: string
-              match_threshold: number
-              min_content_length: number
-            }
-            Returns: {
-              content: string | null
-              embedding: string | null
-              heading: string | null
-              id: number
-              page_id: number
-              slug: string | null
-              token_count: number | null
-            }[]
-          }
-      match_page_sections_v3:
-        | {
-            Args: {
-              embedding: string
-              match_threshold: number
-              match_count: number
-              min_content_length: number
-            }
-            Returns: {
-              path: string
-              content: string
-              similarity: number
-              source: string
-              type: string
-              meta: Json
-              heading: string
-              slug: string
-            }[]
-          }
-        | {
-            Args: {
-              embedding: string
-              match_threshold: number
-              min_content_length: number
-            }
-            Returns: {
-              path: string
-              content: string
-              similarity: number
-              source: string
-              type: string
-              meta: Json
-              heading: string
-              slug: string
-            }[]
-          }
+      match_page_sections_v3: {
+        Args: {
+          embedding: string
+          match_threshold: number
+          match_count: number
+          min_content_length: number
+        }
+        Returns: {
+          path: string
+          content: string
+          similarity: number
+          source: string
+          type: string
+          meta: Json
+          heading: string
+          slug: string
+        }[]
+      }
       vector_avg: {
         Args: {
           "": number[]