Jaanai Zhang created PHOENIX-4815: ------------------------------------- Summary: support alter table modify column Key: PHOENIX-4815 URL: https://issues.apache.org/jira/browse/PHOENIX-4815 Project: Phoenix Issue Type: Improvement Reporter: Jaanai Zhang
if we want to change max length or scale of fields of variable length type( example for :varchar, char and decimal type etc), we can not drop column to recreate new column when the table has massive data, which may affects online service,meanwhile, it is also very expensive. so sometimes this function is very useful. Taking ORACLE dialect as reference {code:java} alter table table_name modify column_name datatype; {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)