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1cf2e1c2
编写于
8月 14, 2017
作者:
H
haocao
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差异文件
Update docs.
上级
b865778a
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sharding-jdbc-doc/content/02-guide/sharding.md
sharding-jdbc-doc/content/02-guide/sharding.md
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sharding-jdbc-doc/content/02-guide/sharding.md
浏览文件 @
1cf2e1c2
...
...
@@ -87,7 +87,7 @@ select * from db0.t_order_0 where user_id = ? and order_id = ?;
.
dataSourceRule
(
dataSourceRule
)
.
tableRules
(
Arrays
.
asList
(
orderTableRule
,
orderItemTableRule
))
.
databaseShardingStrategy
(
new
DatabaseShardingStrategy
(
"user_id"
,
new
ModuloDatabaseShardingAlgorithm
()))
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
)
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
.
build
();
```
## 数据源配置
...
...
@@ -137,38 +137,38 @@ Sharding-JDBC认为对于分片策略存有两种维度
```
java
//使用了默认策略配置
TableRule
orderTableRule
=
TableRule
.
builder
(
"t_order"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_0"
,
"t_order_1"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_0"
,
"t_order_1"
)
)
.
dataSourceRule
(
dataSourceRule
)
.
build
();
TableRule
orderItemTableRule
=
TableRule
.
builder
(
"t_order_item"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_item_0"
,
"t_order_item_1"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_item_0"
,
"t_order_item_1"
)
)
.
dataSourceRule
(
dataSourceRule
)
.
build
();
ShardingRule
shardingRule
=
ShardingRule
.
builder
()
.
dataSourceRule
(
dataSourceRule
)
.
tableRules
(
Arrays
.
asList
(
orderTableRule
,
orderItemTableRule
))
.
databaseShardingStrategy
(
new
DatabaseShardingStrategy
(
"user_id"
,
new
ModuloDatabaseShardingAlgorithm
()))
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
)
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
.
build
();
```
```
java
//未使用默认策略配置
TableRule
orderTableRule
=
TableRule
.
builder
(
"t_order"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_0"
,
"t_order_1"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_0"
,
"t_order_1"
)
)
.
dataSourceRule
(
dataSourceRule
)
.
build
();
TableRule
orderItemTableRule
=
TableRule
.
builder
(
"t_order_item"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_item_0"
,
"t_order_item_1"
)
.
actualTables
(
Arrays
.
asList
(
"t_order_item_0"
,
"t_order_item_1"
)
)
.
dataSourceRule
(
dataSourceRule
)
.
databaseShardingStrategy
(
new
DatabaseShardingStrategy
(
"user_id"
,
new
ModuloDatabaseShardingAlgorithm
()))
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
)
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
.
build
();
ShardingRule
shardingRule
=
ShardingRule
.
builder
()
.
dataSourceRule
(
dataSourceRule
)
.
tableRules
(
Arrays
.
asList
(
orderTableRule
,
orderItemTableRule
))
.
databaseShardingStrategy
(
new
DatabaseShardingStrategy
(
"user_id"
,
new
ModuloDatabaseShardingAlgorithm
()))
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
)
.
tableShardingStrategy
(
new
TableShardingStrategy
(
"order_id"
,
new
ModuloTableShardingAlgorithm
()))
.
build
();
```
...
...
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