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Posted to dev@iotdb.apache.org by SpriCoder <sp...@qq.com.INVALID> on 2022/05/09 01:32:20 UTC

The syntax extension of set storage group and show storage group in new cluster

Hi all,


In our new cluster, there are 4 new parameters of storage group(ttl, schemaReplicationFactor, dataReplicationFactor and timePartitionInterval). So, we need to support to init these parameters when create storage group.


New syntax extension of set storage group:

setStorageGroup
: SET STORAGE GROUP TO prefixPath (WITH sgAttributeClause (COMMA sgAttributeClause)*)?
;

sgAttributeClause
: (TTL | SCHEMA_REPLICATION_FACTOR | DATA_REPLICATION_FACTOR | TIME_PARTITION_INTERVAL) '=' INTEGER_LITERAL
;




And when you use show storage group, these 4 parameters will be showed at the same time, the header of show storage group:

storage group, ttl, schema_replication_factor, data_replication_factor, time_partition_interval.




Best,

---------------------------------------------------------------

Hongyin Zhang