document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/index.xml

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    <title>Rule Query on ShardingSphere</title>
    <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/</link>
    <description>Recent content in Rule Query on ShardingSphere</description>
    <generator>Hugo -- gohugo.io</generator>
    <language>en-us</language>
    
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    <item>
      <title>Sharding</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/sharding/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/sharding/</guid>
      <description>Syntax Sharding Table Rule SHOW SHARDING TABLE tableRule | RULES [FROM databaseName] SHOW SHARDING ALGORITHMS [FROM databaseName] SHOW UNUSED SHARDING ALGORITHMS [FROM databaseName] SHOW SHARDING AUDITORS [FROM databaseName] SHOW SHARDING TABLE RULES USED ALGORITHM algorithmName [FROM databaseName] SHOW SHARDING KEY GENERATORS [FROM databaseName] SHOW UNUSED SHARDING KEY GENERATORS [FROM databaseName] SHOW SHARDING TABLE RULES USED KEY GENERATOR keyGeneratorName [FROM databaseName] SHOW DEFAULT SHARDING STRATEGY SHOW SHARDING TABLE NODES tableRule: RULE tableName  Support query all data fragmentation rules and specified table query Support query all sharding algorithms Support query all sharding audit algorithms  Sharding Binding Table Rule SHOW SHARDING BINDING TABLE RULES [FROM databaseName] Sharding Broadcast Table Rule SHOW SHARDING BROADCAST TABLE RULES [FROM databaseName] Sharding Scaling Rule SHOW SHARDING SCALING RULES [FROM databaseName] Return Value Description Sharding Table Rule    Column Description     table Logical table name   actual_data_nodes Actual data node   actual_data_sources Actual data source (Displayed when creating rules by RDL)   database_strategy_type Database sharding strategy type   database_sharding_column Database sharding column   database_sharding_algorithm_type Database sharding algorithm type   database_sharding_algorithm_props Database sharding algorithm properties   table_strategy_type Table sharding strategy type   table_sharding_column Table sharding column   table_sharding_algorithm_type Table sharding algorithm type   table_sharding_algorithm_props Table sharding algorithm properties   key_generate_column Sharding key generator column   key_generator_type Sharding key generator type   key_generator_props Sharding key generator properties    Sharding Algorithms    Column Description     name Sharding algorithm name   type Sharding algorithm type   props Sharding algorithm properties    Unused Sharding Algorithms    Column Description     name Sharding algorithm name   type Sharding algorithm type   props Sharding algorithm properties    Sharding auditors    Column Description     name Sharding audit algorithm name   type Sharding audit algorithm type   props Sharding audit algorithm properties    Sharding key generators    Column Description     name Sharding key generator name   type Sharding key generator type   props Sharding key generator properties    Unused Sharding Key Generators    Column Description     name Sharding key generator name   type Sharding key generator type   props Sharding key generator properties    Default Sharding Strategy    Column Description     name Strategy name   type Sharding strategy type   sharding_column Sharding column   sharding_algorithm_name Sharding algorithm name   sharding_algorithm_type Sharding algorithm type   sharding_algorithm_props Sharding algorithm properties    Sharding Table Nodes    Column Description     name Sharding rule name   nodes Sharding nodes    Sharding Binding Table Rule    Column Description     sharding_binding_tables sharding Binding Table list    Sharding Broadcast Table Rule    Column Description     sharding_broadcast_tables sharding Broadcast Table list    Sharding Scaling Rule    Column Description     name name of sharding scaling rule   input data read configuration   output data write configuration   stream_channel algorithm of stream channel   completion_detector algorithm of completion detecting   data_consistency_checker algorithm of data consistency checking    Example Sharding Table Rule SHOW SHARDING TABLE RULES</description>
    </item>
    
    <item>
      <title>Single Table</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/single-table/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/single-table/</guid>
      <description>Syntax SHOW SINGLE TABLE (table | RULES) [FROM databaseName] SHOW SINGLE TABLES COUNT SINGLE_TABLE RULE [FROM databaseName] table: TABLE tableName Return Value Description Single Table Rule    Column Description     name Rule name   resource_name Data source name    Single Table    Column Description     table_name Single table name   resource_name The resource name where the single table is located    Single Table Rule Count    列 说明     rule_name Single table rule name   database The database name where the single table is located   count The count of single table rules    Example SHOW SINGLE TABLES RULES</description>
    </item>
    
    <item>
      <title>Readwrite-Splitting</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/readwrite-splitting/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/readwrite-splitting/</guid>
      <description>Syntax SHOW READWRITE_SPLITTING RULES [FROM databaseName] Return Value Description    Column Description     name Rule name   auto_aware_data_source_name Auto-Aware discovery data source name (Display configuration dynamic readwrite splitting rules)   write_data_source_query_enabled All read data source are offline, write data source whether the data source is responsible for read traffic   write_data_source_name Write data source name   read_data_source_names Read data source name list   load_balancer_type Load balance algorithm type   load_balancer_props Load balance algorithm parameter    Example Static Readwrite Splitting Rules</description>
    </item>
    
    <item>
      <title>DB Discovery</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/db-discovery/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/db-discovery/</guid>
      <description>Syntax SHOW DB_DISCOVERY RULES [FROM databaseName] SHOW DB_DISCOVERY TYPES [FROM databaseName] SHOW DB_DISCOVERY HEARTBEATS [FROM databaseName] Return Value Description DB Discovery Rule    Column Description     group_name Rule name   data_source_names Data source name list   primary_data_source_name Primary data source name   discovery_type Database discovery service type   discovery_heartbeat Database discovery service heartbeat    DB Discovery Type    Column Description     name Type name   type Type category   props Type properties    DB Discovery Heartbeat    Column Description     name Heartbeat name   props Heartbeat properties    Example DB Discovery Rule</description>
    </item>
    
    <item>
      <title>Encrypt</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/encrypt/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/encrypt/</guid>
      <description>Syntax SHOW ENCRYPT RULES [FROM databaseName] SHOW ENCRYPT TABLE RULE tableName [FROM databaseName]  Support to query all data encryption rules and specify logical table name query  Return Value Description    Column Description     table Logical table name   logic_column Logical column name   logic_data_type Logical column data type   cipher_column Ciphertext column name   cipher_data_type Ciphertext column data type   plain_column Plaintext column name   plain_data_type Plaintext column data type   assisted_query_column Assisted query column name   assisted_query_data_type Assisted query column data type   encryptor_type Encryption algorithm type   encryptor_props Encryption algorithm parameter   query_with_cipher_column Whether to use encrypted column for query    Example Show Encrypt Rules</description>
    </item>
    
    <item>
      <title>Shadow</title>
      <link>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/shadow/</link>
      <pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
      
      <guid>https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-proxy/distsql/syntax/rql/rule-query/shadow/</guid>
      <description>Syntax SHOW SHADOW shadowRule | RULES [FROM databaseName] SHOW SHADOW TABLE RULES [FROM databaseName] SHOW SHADOW ALGORITHMS [FROM databaseName] shadowRule: RULE ruleName  Support querying all shadow rules and specified table query Support querying all shadow table rules Support querying all shadow algorithms  Return Value Description Shadow Rule    Column Description     rule_name Rule name   source_name Source database   shadow_name Shadow database   shadow_table Shadow table    Shadow Table Rule    Column Description     shadow_table Shadow table   shadow_algorithm_name Shadow algorithm name    Shadow Algorithms    Column Description     shadow_algorithm_name Shadow algorithm name   type Shadow algorithm type   props Shadow algorithm properties   is_default Default    Shadow Rule status    Column Description     status Enable    Example SHOW SHADOW RULES</description>
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