fix: multi-tenant phase 2

database/install/kpi_report.sql

@@ -33,7 +33,7 @@ CREATE TABLE `kpi_report`  (
   `granularity` tinyint(4) NULL DEFAULT 60 COMMENT 'Time granualarity: 5/10/.../60/300 (second)',
   `kpi_values` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NULL DEFAULT NULL,
   `created_at` bigint(20) NULL DEFAULT NULL,
-  `tenant_name` varchar(128) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
+  `tenant_id` varchar(32) NULL DEFAULT NULL,
   PRIMARY KEY (`id`) USING BTREE,
   INDEX `idx_timestamp`(`created_at`) USING BTREE,
   INDEX `idx_uid_datetime`(`rm_uid`, `date`, `start_time`) USING BTREE