cubicweb #7173702 sqlserver support in migration script [validation pending]

the 3.21.0 migration script currently only works on postgresql

prioritynormal
typebug
done in3.21.2
load1.000
load left0.000
closed by#8f32cdc3f4ec [migration/3.21] add support for sqlserver
patch[server] use sqls_create_multicol_unique_index to index entities.extid [applied][schema] remove unique constraint on unlimited String attribute [applied][migration/3.21] add support for sqlserver [applied]