init push

migrations/20260526_reserve_acs_add_notes.sql

@@ -0,0 +1,35 @@
+-- +goose Up
+SET @schema_name := DATABASE();
+
+SELECT COUNT(*) INTO @has_notes
+FROM information_schema.COLUMNS
+WHERE TABLE_SCHEMA = @schema_name
+  AND TABLE_NAME = 'reserve_acs'
+  AND COLUMN_NAME = 'notes';
+
+SET @add_notes_sql := IF(
+  @has_notes = 0,
+  'ALTER TABLE reserve_acs ADD COLUMN notes TEXT NULL AFTER base_id',
+  'SELECT 1'
+);
+PREPARE stmt_add_notes FROM @add_notes_sql;
+EXECUTE stmt_add_notes;
+DEALLOCATE PREPARE stmt_add_notes;
+
+-- +goose Down
+SET @schema_name := DATABASE();
+
+SELECT COUNT(*) INTO @has_notes
+FROM information_schema.COLUMNS
+WHERE TABLE_SCHEMA = @schema_name
+  AND TABLE_NAME = 'reserve_acs'
+  AND COLUMN_NAME = 'notes';
+
+SET @drop_notes_sql := IF(
+  @has_notes = 1,
+  'ALTER TABLE reserve_acs DROP COLUMN notes',
+  'SELECT 1'
+);
+PREPARE stmt_drop_notes FROM @drop_notes_sql;
+EXECUTE stmt_drop_notes;
+DEALLOCATE PREPARE stmt_drop_notes;