Raw SQL to effectively reset a Supabase project to the same state as when it was first created using SQL Editor; script created 2025-06-08, will need updates as supabase adds features

reset.sql

CREATE OR REPLACE FUNCTION reset_supabase_project()
RETURNS void
LANGUAGE plpgsql
AS '
DECLARE 
    r RECORD;
BEGIN
    -- Drop all user-created tables in public schema
    FOR r IN (
        SELECT tablename FROM pg_tables 
        WHERE schemaname = ''public'' 
        AND tablename NOT IN (''spatial_ref_sys'')
    ) 
    LOOP
        EXECUTE ''DROP TABLE IF EXISTS public.'' || quote_ident(r.tablename) || '' CASCADE'';
    END LOOP;
    
    -- Drop all user-created views in public schema
    FOR r IN (SELECT viewname FROM pg_views WHERE schemaname = ''public'') 
    LOOP
        EXECUTE ''DROP VIEW IF EXISTS public.'' || quote_ident(r.viewname) || '' CASCADE'';
    END LOOP;
    
    -- Drop user-created functions in public schema
    FOR r IN (
        SELECT proname, oidvectortypes(proargtypes) as argtypes 
        FROM pg_proc p 
        JOIN pg_namespace n ON p.pronamespace = n.oid 
        WHERE n.nspname = ''public''
        AND proname NOT LIKE ''st_%''
        AND proname NOT LIKE ''postgis_%''
        AND proname NOT LIKE ''_st_%''
    ) 
    LOOP
        EXECUTE ''DROP FUNCTION IF EXISTS public.'' || quote_ident(r.proname) || ''('' || r.argtypes || '') CASCADE'';
    END LOOP;
    
    -- Drop user-created sequences in public schema
    FOR r IN (SELECT sequencename FROM pg_sequences WHERE schemaname = ''public'') 
    LOOP
        EXECUTE ''DROP SEQUENCE IF EXISTS public.'' || quote_ident(r.sequencename) || '' CASCADE'';
    END LOOP;
    
    -- Drop user-created types in public schema
    FOR r IN (
        SELECT typname FROM pg_type t 
        JOIN pg_namespace n ON t.typnamespace = n.oid 
        WHERE n.nspname = ''public'' 
        AND t.typtype = ''c''
        AND typname NOT LIKE ''geometry%''
        AND typname NOT LIKE ''geography%''
    ) 
    LOOP
        EXECUTE ''DROP TYPE IF EXISTS public.'' || quote_ident(r.typname) || '' CASCADE'';
    END LOOP;
    
    RAISE NOTICE ''✅ All user-created database objects have been dropped'';
END;
';

SELECT reset_supabase_project();
DROP FUNCTION IF EXISTS reset_supabase_project();