. . . . . . . . . . . . . . . . . . . . . . . . . . 495 /metadata/${databaseName}/data_sources/units/ds_0/versions/0 . . . . . . . . . 495 /metadata/${databaseName}/data_sources/nodes/ds_0/versions/0 ' key '=' value)* ')' key ::= string value ::= literal Supplement • Before register storage units, please confirm that a database has been created in Proxy, and exe‐ cute the use command to successfully Reserved word ALTER STORAGE UNIT Description The ALTER STORAGE UNIT syntax is used to alter storage units for the currently selected logical database. 9.2. ShardingSphere-Proxy 171 Apache ShardingSphere

. . . . . . . . . . . . . . . . . . . . . . . . . . 524 /metadata/${databaseName}/data_sources/units/ds_0/versions/0 . . . . . . . . . 524 /metadata/${databaseName}/data_sources/nodes/ds_0/versions/0 ShardingSphere-Proxy 189 Apache ShardingSphere document Supplement • Before register storage units, please confirm that a database has been created in Proxy, and exe‐ cute the use command to successfully Reserved word ALTER STORAGE UNIT Description The ALTER STORAGE UNIT syntax is used to alter storage units for the currently selected logical database. Syntax AlterStorageUnit ::= 'ALTER' 'STORAGE' 'UNIT'

. . . . . . . . . . . . . . . . . . . . . . . . . . 459 /metadata/${databaseName}/data_sources/units/ds_0/versions/0 . . . . . . . . . 459 /metadata/${databaseName}/data_sources/nodes/ds_0/versions/0 'AUDIT_STRATEGY' '(' auditStrategyDefinition ')')? ')' autoTableDefinition ::= tableName '(' 'STORAGE_UNITS' '(' storageUnitName (',' storageUnitName)* ')' ',' 'SHARDING_COLUMN' '=' columnName ',' algorithmDefinition 用于指定分片算法的类型，目前仅支持 STANDARD 、 COMPLEX。使用 COMPLEX 时需要用 SHARDING_COLUMNS 指定多个分片键。 • 当使用自动分片时： – STORAGE_UNITS 只能使用已经添加到当前逻辑库的资源，可通过枚举或 INLINE 表达式指定 需要的资源； 9.2. ShardingSphere-Proxy 161 Apache ShardingSphere

. . . . . . . . . . . . . . . . . . . . . . . . . . 438 /metadata/${databaseName}/data_sources/units/ds_0/versions/0 . . . . . . . . . 438 /metadata/${databaseName}/data_sources/nodes/ds_0/versions/0 ShardingSphere-Proxy 153 Apache ShardingSphere document autoTableDefinition ::= tableName '(' 'STORAGE_UNITS' '(' storageUnitName (',' storageUnitName)* ')' ',' 'SHARDING_COLUMN' '=' columnName ',' algorithmDefinition 用于指定分片算法的类型，目前仅支持 STANDARD 、 COMPLEX。使用 COMPLEX 时需要用 SHARDING_COLUMNS 指定多个分片键。 • 当使用自动分片时： – STORAGE_UNITS 只能使用已经添加到当前逻辑库的资源，可通过枚举或 INLINE 表达式指定 需要的资源； – 只能使用自动分片算法，可参考自动分片算法。 • algorithmType 为分片算法类型，分片算法类型请参考分片算法；

. . . . . . . . . . . . . . . . . . . . . . . . . . 485 /metadata/${databaseName}/data_sources/units/ds_0/versions/0 . . . . . . . . . 485 /metadata/${databaseName}/data_sources/nodes/ds_0/versions/0 'AUDIT_STRATEGY' '(' auditStrategyDefinition ')')? ')' autoTableRuleDefinition ::= ruleName '(' 'STORAGE_UNITS' '(' storageUnitName (',' storageUnitName)* ')' ',' 'SHARDING_COLUMN' '=' columnName ',' algorithmDefinition ShardingSphere document COMPLEX。使用 COMPLEX 时需要用 SHARDING_COLUMNS 指定多个分片键。 • 当使用自动分片时： – STORAGE_UNITS 只能使用已经添加到当前逻辑库的资源，可通过枚举或 INLINE 表达式指定 需要的资源； – 只能使用自动分片算法，可参考自动分片算法。 • algorithmType 为分片算法类型，分片算法类型请参考分片算法；

will go through synchronous processing when acquiring database connection. When creating execution units, it acquires all the database connections that this SQL requires for once with atomic method and

will go through synchronous processing when acquiring database connection. When creating execution units, it acquires all the database connections that this SQL requires for once with atomic method and

will go through synchronous processing when acquiring database connection. When creating execution units, it acquires all the database connections that this SQL requires for once with atomic method and

will go through synchronous processing when acquiring database connection. When creating execution units, it acquires all the database connections that this SQL requires for once with atomic method and