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Sharding

Configuration Item Explanation

Namespace: http://shardingsphere.apache.org/schema/shardingsphere/sharding/sharding-5.1.1.xsd

<sharding:rule />

Name Type Description
id Attribute Spring Bean Id
table-rules (?) Tag Sharding table rule configuration
auto-table-rules (?) Tag Automatic sharding table rule configuration
binding-table-rules (?) Tag Binding table rule configuration
broadcast-table-rules (?) Tag Broadcast table rule configuration
default-database-strategy-ref (?) Attribute Default database strategy name
default-table-strategy-ref (?) Attribute Default table strategy name
default-key-generate-strategy-ref (?) Attribute Default key generate strategy name
default-sharding-column (?) Attribute Default sharding column name

<sharding:table-rule />

Name Type Description
logic-table Attribute Logic table name
actual-data-nodes Attribute Describe data source names and actual tables, delimiter as point, multiple data nodes separated with comma, support inline expression. Absent means sharding databases only.
actual-data-sources Attribute Data source names for auto sharding table
database-strategy-ref Attribute Database strategy name for standard sharding table
table-strategy-ref Attribute Table strategy name for standard sharding table
sharding-strategy-ref Attribute sharding strategy name for auto sharding table
key-generate-strategy-ref Attribute Key generate strategy name

<sharding:binding-table-rules />

Name Type Description
binding-table-rule (+) Tag Binding table rule configuration

<sharding:binding-table-rule />

Name Type Description
logic-tables Attribute Binding table name, multiple tables separated with comma

<sharding:broadcast-table-rules />

Name Type Description
broadcast-table-rule (+) Tag Broadcast table rule configuration

<sharding:broadcast-table-rule />

Name Type Description
table Attribute Broadcast table name

<sharding:standard-strategy />

Name Type Description
id Attribute Standard sharding strategy name
sharding-column Attribute Sharding column name
algorithm-ref Attribute Sharding algorithm name

<sharding:complex-strategy />

Name Type Description
id Attribute Complex sharding strategy name
sharding-columns Attribute Sharding column names, multiple columns separated with comma
algorithm-ref Attribute Sharding algorithm name

<sharding:hint-strategy />

Name Type Description
id Attribute Hint sharding strategy name
algorithm-ref Attribute Sharding algorithm name

<sharding:none-strategy />

Name Type Description
id Attribute Sharding strategy name

<sharding:key-generate-strategy />

Name Type Description
id Attribute Key generate strategy name
column Attribute Key generate column name
algorithm-ref Attribute Key generate algorithm name

<sharding:sharding-algorithm />

Name Type Description
id Attribute Sharding algorithm name
type Attribute Sharding algorithm type
props (?) Tag Sharding algorithm properties

<sharding:key-generate-algorithm />

Name Type Description
id Attribute Key generate algorithm name
type Attribute Key generate algorithm type
props (?) Tag Key generate algorithm properties

Please refer to Built-in Sharding Algorithm List and Built-in Key Generate Algorithm List for more details about type of algorithm.

Attention

Inline expression identifier can use ${...} or $->{...}, but ${...} is conflict with spring placeholder of properties, so use $->{...} on spring environment is better.