| 1234567891011121314151617181920212223242526 | # MySQL < 5.6.4 does not support timestamps/dates with millisecond precision.# This upgrade file lacks the necessary upgrades that are done on a 5.6.4+ installation# to get millisecond precision.alter table ACT_HI_TASKINST    add CATEGORY_ varchar(255);    alter table ACT_HI_PROCINST drop index ACT_UNIQ_HI_BUS_KEY;   alter table ACT_HI_VARINST    add CREATE_TIME_ datetime;     alter table ACT_HI_VARINST    add LAST_UPDATED_TIME_ datetime;     alter table ACT_HI_PROCINST    add TENANT_ID_ varchar(255) default '';        alter table ACT_HI_ACTINST    add TENANT_ID_ varchar(255) default '';     alter table ACT_HI_TASKINST    add TENANT_ID_ varchar(255) default '';    alter table ACT_HI_ACTINST    modify ASSIGNEE_ varchar(255);
 |