I am trying to pass list of columns of table into query method using add_columns method. Below i am mentioning code snipped.
def LLL(): Base = automap_base() class AAA(Base): __tablename__ = 'schools_master' Base.prepare(engine, reflect=True) session = sessionmaker(bind=engine) session = session() col_name = ['dise_code_01','district_name_02','block_name_03','cluster_name_04','village_name_05'] q = session.query(AAA).add_columns(col_list) q = q.limit(100) for row in q: print(row) When i execute this code it is generating error massage : massage.sqlalchemy.exc.InvalidRequestError: SQL expression, column, or mapped entity expected - got '['dise_code_01', 'district_name_02', 'block_name_03', 'cluster_name_04', 'village_name_05'] Please help me out from this error. -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.