working version i guess

Dockers/postgres-shadow/init.sh

@@ -1,17 +1,11 @@
 #!/bin/bash
 set -e
 
-# Create the target database if it doesn't exist
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    DO
-    \$do\$
-    BEGIN
-        IF NOT EXISTS (SELECT FROM pg_database WHERE datname = '$TARGET_DB_NAME') THEN
-            CREATE DATABASE $TARGET_DB_NAME OWNER $POSTGRES_USER;
-        END IF;
-    END
-    \$do\$;
-EOSQL
+# Check if database exists
+if ! psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" -tAc "SELECT 1 FROM pg_database WHERE datname = '$TARGET_DB_NAME'" | grep -q 1; then
+    # Create the target database if it doesn't exist
+    createdb -U "$POSTGRES_USER" -O "$POSTGRES_USER" "$TARGET_DB_NAME"
+fi
 
 # Enable the pgvector extension on both databases
 for DB in "$POSTGRES_DB" "$TARGET_DB_NAME"; do

Dockers/postgres-shadow/refresh.sh

@@ -23,10 +23,16 @@ EOSQL
 
 # Drop and recreate the target database
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    DROP DATABASE IF EXISTS $TARGET_DB_NAME;
-    CREATE DATABASE $TARGET_DB_NAME OWNER $POSTGRES_USER;
+    SELECT pg_terminate_backend(pid)
+    FROM pg_stat_activity
+    WHERE datname = '$TARGET_DB_NAME'
+    AND pid != pg_backend_pid();
 EOSQL
 
+# Drop and create database as separate commands
+dropdb -U "$POSTGRES_USER" --if-exists "$TARGET_DB_NAME"
+createdb -U "$POSTGRES_USER" -O "$POSTGRES_USER" "$TARGET_DB_NAME"
+
 # Copy the database if SOURCE_DB_URL is provided
 if [ ! -z "$SOURCE_DB_URL" ]; then
     echo "Copying database from $SOURCE_DB_URL to $TARGET_DB_NAME..."
@@ -50,9 +56,22 @@ if [ ! -z "$SOURCE_DB_URL" ]; then
                 EXECUTE 'ALTER SEQUENCE public.' || quote_ident(r.sequence_name) || ' OWNER TO $POSTGRES_USER';
             END LOOP;
 
-            FOR r IN SELECT typname FROM pg_type WHERE typnamespace = 'public'::regnamespace
+            -- Handle regular types, excluding arrays and special types
+            FOR r IN SELECT t.typname
+                    FROM pg_type t
+                    LEFT JOIN pg_type arr ON arr.typelem = t.oid
+                    WHERE t.typnamespace = 'public'::regnamespace
+                    AND t.typtype NOT IN ('a', 'c')  -- Exclude arrays and composite types
+                    AND NOT EXISTS (
+                        SELECT 1 FROM pg_type arr
+                        WHERE arr.typarray = t.oid
+                    )
             LOOP
-                EXECUTE 'ALTER TYPE public.' || quote_ident(r.typname) || ' OWNER TO $POSTGRES_USER';
+                BEGIN
+                    EXECUTE 'ALTER TYPE public.' || quote_ident(r.typname) || ' OWNER TO $POSTGRES_USER';
+                EXCEPTION WHEN OTHERS THEN
+                    RAISE NOTICE 'Could not alter ownership of type %: %', r.typname, SQLERRM;
+                END;
             END LOOP;
         END
         \$\$;