1 from yams import schema2sql as y2sql

     2 

     3 dbhelper = repo.system_source.dbhelper

     4 rdefdef = schema['CWSource'].rdef('name')

     5 attrtype = y2sql.type_from_constraints(dbhelper, rdefdef.object, rdefdef.constraints).split()[0]

     6 

     7 sql(dbhelper.sql_change_col_type('entities', 'asource', attrtype, False))

     8 sql(dbhelper.sql_change_col_type('entities', 'source', attrtype, False))

     9 sql(dbhelper.sql_change_col_type('deleted_entities', 'source', attrtype, False))