update db to use unicode8

play-admin/src/main/resources/db/migration/V15__downgrade_new_tables_collation.sql

@@ -0,0 +1,31 @@
+-- Roll newer earnings/withdrawal tables back to legacy utf8mb4_general_ci
+-- This keeps them compatible with older tables (e.g. play_order_info) that are still on general_ci.
+-- Run in maintenance window; each ALTER rebuilds the entire table.
+
+ALTER TABLE `play_earnings_line`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_withdrawal_request`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_withdrawal_log`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_freeze_policy`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_earnings_backfill_log`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_clerk_payee_profile`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;
+
+ALTER TABLE `play_tenant_alipay_config`
+    CONVERT TO CHARACTER SET utf8mb4
+    COLLATE utf8mb4_general_ci;