ShardingSphere支持IN语法查询，但也存在问题。
官网说明：https://shardingsphere.apache.org/document/current/cn/features/sharding/concept/sharding/
当查询多条数据时，入参为分片键，进行测试
- 当数据路由都在一个库同一张表时，会去相应表进行查询（分片键：1504, 1508）
2020-05-26 22:05:01.331 INFO 6476 --- [nio-8080-exec-8] ShardingSphere-SQL ：
Logic SQL: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article WHERE enabled = 1 AND id IN( ? , ? )
2020-05-26 22:05:01.332 INFO 16076 --- [nio-8080-exec-2] ShardingSphere-SQL :
Actual SQL:
article0 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1508]
- 当数据路由在同一个库不同表时，会去相应表进行查询 （分片键：1504, 1507）
2020-05-27 09:02:32.336 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Logic SQL: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article WHERE enabled = 1 AND id IN ( ? , ? )
2020-05-27 09:02:32.337 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Actual SQL:
article0 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1507]
2020-05-27 09:02:32.337 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Actual SQL:
article1 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1507]
- 当数据路由在不同库的相同表号时，会去相应表进行查询（分片键：1504, 1506）
2020-05-27 09:01:17.559 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Logic SQL: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article WHERE enabled = 1 AND id IN ( ? , ? )
2020-05-27 09:01:17.560 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Actual SQL:
article0 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1506]
2020-05-27 09:01:17.560 INFO 10660 --- [nio-8080-exec-5] ShardingSphere-SQL :
Actual SQL:
article1 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1506]
- 当数据路由跨库时，且表号不同时，会轮询所有库的所有表进行查询（分片键：1504, 1505）
2020-05-26 22:05:01.331 INFO 6476 --- [nio-8080-exec-8] ShardingSphere-SQL
Logic SQL: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article WHERE enabled = 1 AND id IN( ? , ? )
2020-05-26 22:05:01.332 INFO 16076 --- [nio-8080-exec-2] ShardingSphere-SQL :
Actual SQL:
article0 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1505]
Actual SQL:
article0 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_1 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1505]
Actual SQL:
article1 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_0 WHERE enabled = 1 AND id IN ( ? , ? ) ::: [1504, 1505]
Actual SQL:
article1 ::: SELECT id, last_depot_id, current_depot_id, sku_id, entry_bill_id, entry_time, stock_status, entry_type,
type, created_by, created_time, last_modified_by, last_modified_time, remarks, enabled, version, tenant_id
FROM art_article_1 WHERE enabled = 1 AND id IN ( ? , ?) ::: [1504, 1505]
对于少量的批量查询可以考虑for循环查询