init push

migrations/20260625_add_flight_position_to_flight_data.sql

@@ -0,0 +1,33 @@
+-- +goose Up
+SET @has_col := (
+  SELECT COUNT(*)
+  FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'flight_data'
+    AND column_name = 'flight_position'
+);
+SET @sql := IF(
+  @has_col = 0,
+  'ALTER TABLE flight_data ADD COLUMN flight_position TINYINT(1) NOT NULL DEFAULT 0 AFTER fuel_planning',
+  'SELECT 1'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- +goose Down
+SET @has_col := (
+  SELECT COUNT(*)
+  FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'flight_data'
+    AND column_name = 'flight_position'
+);
+SET @sql := IF(
+  @has_col = 1,
+  'ALTER TABLE flight_data DROP COLUMN flight_position',
+  'SELECT 1'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;