Added table schema checks to linearite demo triggers. (#449)

* Swap to postgres.js so compatible with CF Workers

* Added table schema checks to linearite demo triggers.

I ran into an issue using these triggers on a table with the same name as a table in another schema. Adding table schema checks fixes the issue.

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Co-authored-by: Sam Willis <[email protected]>

demos/linearlite/db/migrations-client/01-create_tables.sql

@@ -122,6 +122,7 @@ BEGIN
             FOR col_name IN SELECT column_name 
                                FROM information_schema.columns 
                                WHERE table_name = TG_TABLE_NAME AND
+                                     table_schema = TG_TABLE_SCHEMA AND
                                      column_name NOT IN ('id', 'synced', 'modified_columns', 'backup', 'deleted', 'new', 'sent_to_server', 'search_vector') LOOP
                 EXECUTE format('SELECT $1.%I', col_name) USING NEW INTO new_value;
                 EXECUTE format('SELECT %I FROM %I WHERE id = $1', col_name, TG_TABLE_NAME) USING NEW.id INTO old_value;
@@ -207,6 +208,7 @@ BEGIN
             FOR column_name IN SELECT columns.column_name 
                                FROM information_schema.columns 
                                WHERE columns.table_name = TG_TABLE_NAME 
+                               AND columns.table_schema = TG_TABLE_SCHEMA
                                AND columns.column_name NOT IN ('id', 'synced', 'modified_columns', 'backup', 'deleted', 'new', 'sent_to_server', 'search_vector') LOOP
                 IF column_name != ANY(OLD.modified_columns) THEN
                     EXECUTE format('SELECT ($1).%I', column_name) USING NEW INTO new_value;
@@ -224,6 +226,7 @@ BEGIN
         FOR column_name IN SELECT columns.column_name 
                            FROM information_schema.columns 
                            WHERE columns.table_name = TG_TABLE_NAME 
+                           AND columns.table_schema = TG_TABLE_SCHEMA
                            AND columns.column_name NOT IN ('id', 'synced', 'modified_columns', 'backup', 'deleted', 'new', 'sent_to_server', 'search_vector') LOOP
             EXECUTE format('SELECT ($1).%I', column_name) USING NEW INTO new_value;
             EXECUTE format('SELECT ($1).%I', column_name) USING OLD INTO old_value;