event_guid String CODEC(ZSTD) ) ENGINE=MergeTree()PRIMARY KEY(tag_id); Create table for MV: CREATE OR REPLACETABLESI_TEST_DB.ag_tag_events_count ( pageview_guid String CODEC(ZSTD), tag_id LowCardinality(String) CODEC(ZSTD), instances AggregateFunction(uniqExact, String) CODEC(ZSTD) ) ENGIN...
but it's creating this weird sql in the view where it's also referencing an alias table outside of it's own creation. I mean by this for example ‘select AliasTable.* from (select * from table_x as AliasTable)." which is not possible. generated sql: "keys"."service_hub__avg_day...
SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
SQL Server Unique constraint for values in different columnI agree 100% with the above comments ...
此supportsDifferentTableCorrelationNames 方法是由 java.sql.DatabaseMetaData 接口中的 supportsDifferentTableCorrelationNames 方法指定的。 另请参阅 SQLServerDatabaseMetaData 方法 SQLServerDatabaseMetaData 成员 SQLServerDatabaseMetaData 类 反馈 此页面是否有帮助?
On the Table Designer menu, click Indexes/Keys. Select the index that you want to move. In the main grid, expand Data Space Specification. Select Filegroup or Partition Scheme Name and select from the list the filegroup or partition scheme to where you want to move the index. Click Close....
ENGINE=ARIA TRANSACTIONAL=0; ALTER TABLE new_table DISABLE_KEYS; # Fill the table with data: INSERT INTO new_table SELECT * ... FLUSH TABLE new_table WITH READ LOCK; # Copy table data to some external location, like /tmp with something # like cp /my/data/test/new_table.* /tmp/ ...
In my model, I have 2 classes: Estimate and Location. Location's primary key is "location_id" An Estimate is received at a location, and is repaired at another location, so I have "home_location_id" and "repair_location_id" foreignkeys. But I am not able to home location associated...
实现了ComplexKeysShardingAlgorithm自定义分片接口,单个分表字段类型为Long,SQL中含有between关键字,当值为(i.product_info_id >=123222222222 and i.product_info_id <=898534659142713345)没有问题,当值为(i.product_info_id >=123 and i.product_info_id <=898534659142713345)时报错(由于123小于int的最大值),...
It’s putAll() method associates all of the given map’s keys and values into the built map: Map<String, String> combined = ImmutableMap.<String, String>builder() .putAll(first) .putAll(second) .build(); 7. Conclusion In this article, we went through different approaches to combining ...