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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/01/07 09:30:47 UTC
[GitHub] [shardingsphere] jingshanglu opened a new issue #8935: support "show sharding rule "
jingshanglu opened a new issue #8935:
URL: https://github.com/apache/shardingsphere/issues/8935
## Feature Request
add support `show sharding rule`.
### Describe the feature you would like.
support `show sharding rule`, and the result like this:
+-------------+------------------+--------------------------------+---------------------------+--------------------------+-------------------+
| tables | bindingTables|defaultDatabaseStrategy| defaultTableStrategy|shardingAlgorithms |keyGenerators |
+-------------+------------------+--------------------------------+---------------------------+--------------------------+-------------------+
| xxxx | xxxxx | xxx | xxx | xxx |xxxx |
+------------+-------------------+--------------------------------+---------------------------+--------------------------+-------------------+
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[GitHub] [shardingsphere] tristaZero commented on issue #8935: support "show sharding rule "
Posted by GitBox <gi...@apache.org>.
tristaZero commented on issue #8935:
URL: https://github.com/apache/shardingsphere/issues/8935#issuecomment-757609012
```yaml
rules:
- !SHARDING
tables:
t_order:
actualDataNodes: ds_${0..1}.t_order_${0..1}
tableStrategy:
standard:
shardingColumn: order_id
shardingAlgorithmName: t_order_inline
keyGenerateStrategy:
column: order_id
keyGeneratorName: snowflake
t_order_item:
actualDataNodes: ds_${0..1}.t_order_item_${0..1}
tableStrategy:
standard:
shardingColumn: order_id
shardingAlgorithmName: t_order_item_inline
keyGenerateStrategy:
column: order_item_id
keyGeneratorName: snowflake
bindingTables:
- t_order,t_order_item
defaultDatabaseStrategy:
standard:
shardingColumn: user_id
shardingAlgorithmName: database_inline
defaultTableStrategy:
none:
shardingAlgorithms:
database_inline:
type: INLINE
props:
algorithm-expression: ds_${user_id % 2}
t_order_inline:
type: INLINE
props:
algorithm-expression: t_order_${order_id % 2}
t_order_item_inline:
type: INLINE
props:
algorithm-expression: t_order_item_${order_id % 2}
keyGenerators:
snowflake:
type: SNOWFLAKE
props:
worker-id: 123
```
**Convert to**
```sql
name t_order
actualDataNodes ds_${0..1}.t_order_${0..1}
tableStrategy shardingColumn=order_id t_order_inline(algorithm-expression=t_order_${order_id % 2})
databaseStrategy shardingColumn=user_id database_inline(algorithm-expression=ds_${user_id % 2}))
keyGenerateStrategy column=order_id snowflake(worker-id=123)
bindingTable t_order_item
----
name t_order_item
actualDataNodes ds_${0..1}.t_order_item_${0..1}
tableStrategy shardingColumn=order_id t_order_item_inline(algorithm-expression=t_order_item_${order_id % 2})
databaseStrategy shardingColumn=user_id database_inline(algorithm-expression=ds_${user_id % 2}))
keyGenerateStrategy column=order_item_id snowflake(worker-id=123)
bindingTable t_order
```
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[GitHub] [shardingsphere] tristaZero closed issue #8935: support "show sharding rule "
Posted by GitBox <gi...@apache.org>.
tristaZero closed issue #8935:
URL: https://github.com/apache/shardingsphere/issues/8935
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