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Storage Unit Query

Syntax

SHOW STORAGE UNITS [ [FROM databaseName] | [WHERE USAGE_COUNT = usageCount] ]

Return Value Description

Column Description
name Data source name
type Data source type
host Data source host
port Data source port
db Database name
attribute Data source attribute

Example

mysql> SHOW STORAGE UNITS;
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| name | type  | host      | port | db   | connection_timeout_milliseconds | idle_timeout_milliseconds | max_lifetime_milliseconds | max_pool_size | min_pool_size | read_only | other_attributes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ds_0 | MySQL | 127.0.0.1 | 3306 | db_0 | 30000                           | 60000                     | 1800000                   | 50             | 1             | false     | {"dataSourceProperties":{"cacheServerConfiguration":"true","elideSetAutoCommits":"true","useServerPrepStmts":"true","cachePrepStmts":"true","rewriteBatchedStatements":"true","cacheResultSetMetadata":"false","useLocalSessionState":"true","maintainTimeStats":"false","prepStmtCacheSize":"8192","tinyInt1isBit":"false","prepStmtCacheSqlLimit":"2048","netTimeoutForStreamingResults":"0","zeroDateTimeBehavior":"round"},"healthCheckProperties":{},"initializationFailTimeout":1,"validationTimeout":5000,"leakDetectionThreshold":0,"poolName":"HikariPool-1","registerMbeans":false,"allowPoolSuspension":false,"autoCommit":true,"isolateInternalQueries":false} |
| ds_1 | MySQL | 127.0.0.1 | 3306 | db_1 | 30000                           | 60000                     | 1800000                   | 50             | 1             | false     | {"dataSourceProperties":{"cacheServerConfiguration":"true","elideSetAutoCommits":"true","useServerPrepStmts":"true","cachePrepStmts":"true","rewriteBatchedStatements":"true","cacheResultSetMetadata":"false","useLocalSessionState":"true","maintainTimeStats":"false","prepStmtCacheSize":"8192","tinyInt1isBit":"false","prepStmtCacheSqlLimit":"2048","netTimeoutForStreamingResults":"0","zeroDateTimeBehavior":"round"},"healthCheckProperties":{},"initializationFailTimeout":1,"validationTimeout":5000,"leakDetectionThreshold":0,"poolName":"HikariPool-2","registerMbeans":false,"allowPoolSuspension":false,"autoCommit":true,"isolateInternalQueries":false} |
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
mysql> SHOW STORAGE UNITS FROM sharding_db;
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| name | type  | host      | port | db   | connection_timeout_milliseconds | idle_timeout_milliseconds | max_lifetime_milliseconds | max_pool_size | min_pool_size | read_only | other_attributes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ds_0 | MySQL | 127.0.0.1 | 3306 | db_0 | 30000                           | 60000                     | 1800000                   | 50             | 1             | false     | {"dataSourceProperties":{"cacheServerConfiguration":"true","elideSetAutoCommits":"true","useServerPrepStmts":"true","cachePrepStmts":"true","rewriteBatchedStatements":"true","cacheResultSetMetadata":"false","useLocalSessionState":"true","maintainTimeStats":"false","prepStmtCacheSize":"8192","tinyInt1isBit":"false","prepStmtCacheSqlLimit":"2048","netTimeoutForStreamingResults":"0","zeroDateTimeBehavior":"round"},"healthCheckProperties":{},"initializationFailTimeout":1,"validationTimeout":5000,"leakDetectionThreshold":0,"poolName":"HikariPool-1","registerMbeans":false,"allowPoolSuspension":false,"autoCommit":true,"isolateInternalQueries":false} |
| ds_1 | MySQL | 127.0.0.1 | 3306 | db_1 | 30000                           | 60000                     | 1800000                   | 50             | 1             | false     | {"dataSourceProperties":{"cacheServerConfiguration":"true","elideSetAutoCommits":"true","useServerPrepStmts":"true","cachePrepStmts":"true","rewriteBatchedStatements":"true","cacheResultSetMetadata":"false","useLocalSessionState":"true","maintainTimeStats":"false","prepStmtCacheSize":"8192","tinyInt1isBit":"false","prepStmtCacheSqlLimit":"2048","netTimeoutForStreamingResults":"0","zeroDateTimeBehavior":"round"},"healthCheckProperties":{},"initializationFailTimeout":1,"validationTimeout":5000,"leakDetectionThreshold":0,"poolName":"HikariPool-2","registerMbeans":false,"allowPoolSuspension":false,"autoCommit":true,"isolateInternalQueries":false} |
+------+-------+-----------+------+------+---------------------------------+---------------------------+---------------------------+---------------+---------------+-----------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
2 rows in set (0.84 sec)