-- 1.0.510.verify.sql
-- 契约（CURRENT.md > F-11）：禁 SET @var · 每条返回 1/0 · 一条一断言 · 末条为真 SELECT。

SELECT (SELECT COUNT(*) FROM information_schema.TABLES
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME IN ('mdp_stg_s0_item','dim_item')) = 2;

SELECT IFNULL((SELECT GROUP_CONCAT(COLUMN_NAME ORDER BY SEQ_IN_INDEX)
               FROM information_schema.STATISTICS
               WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'mdp_stg_s0_item'
                 AND INDEX_NAME = 'uk_stg_s0_item' AND NON_UNIQUE = 0), '')
       = 'tenant_id,source_system,source_table,source_row_id';

SELECT IFNULL((SELECT GROUP_CONCAT(COLUMN_NAME ORDER BY SEQ_IN_INDEX)
               FROM information_schema.STATISTICS
               WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
                 AND INDEX_NAME = 'uk_dim_item' AND NON_UNIQUE = 0), '')
       = 'tenant_id,item_code';

SELECT (SELECT COUNT(*) FROM information_schema.STATISTICS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND INDEX_NAME = 'uk_dim_item'
          AND COLUMN_NAME IN ('domain_code','company_id','factory_id','legacy_source_id')) = 0;

SELECT (SELECT COUNT(*) FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE()
          AND TABLE_NAME IN ('mdp_stg_s0_item','dim_item')
          AND COLUMN_NAME = 'tenant_id' AND IS_NULLABLE = 'NO') = 2;

SELECT (SELECT COUNT(*) FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND COLUMN_NAME = 'legacy_source_id' AND IS_NULLABLE = 'NO') = 1;

SELECT (SELECT COUNT(*) FROM information_schema.STATISTICS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND INDEX_NAME = 'idx_dim_item_legacy') = 2;

SELECT (SELECT COUNT(*) FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND COLUMN_NAME IN ('net_weight','min_order_qty','max_order_qty','min_order_qty_sales',
                              'order_multiple','safety_stock','stock_turnover')
          AND NUMERIC_PRECISION = 18 AND NUMERIC_SCALE = 5) = 7;

SELECT (SELECT COUNT(*) FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND COLUMN_NAME IN ('supp_warranty','dea_controlled','expire_alarm_day','item_status')) = 0;

SELECT (SELECT COUNT(*) FROM information_schema.COLUMNS
        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'dim_item'
          AND COLUMN_NAME = 'expire_alarm_days') = 1;

SELECT (SELECT COUNT(*) FROM `mdp_entity`
        WHERE `entity_code` = 'S0_ITEM'
          AND `biz_key_expr` COLLATE utf8mb4_bin = 'ItemNum'
          AND `source_table_name` COLLATE utf8mb4_bin = 'ItemMaster'
          AND `target_table_name` COLLATE utf8mb4_bin = 'mdp_stg_s0_item'
          AND `status` = 1 AND `sync_mode` = 'FULL' AND `incr_column` IS NULL
          AND `batch_size` = 50000) = 1;

SELECT (SELECT COUNT(*) FROM `mdp_entity`
        WHERE `entity_code` LIKE 'S0\_%' AND `batch_size` <> 50000 AND `batch_size` <> 5000) = 0;

SELECT (SELECT COUNT(*) FROM `mdp_entity`
        WHERE `entity_code` LIKE 'S0\_%' AND `batch_size` = 50000) = 1;

SELECT (SELECT COUNT(*) FROM `mdp_entity`
        WHERE `source_table_name` = 'ItemMaster' AND `target_table_name` = 'mdp_stg_s0_item') = 1;