unfortunately this issue is related to that database /drivers so you'd need to get support from those folks.
On Wed, Apr 18, 2018 at 10:37 AM, su-sa <sachdeva.sugandh...@gmail.com> wrote: > Hi Mike, > > 'hdbcli' is the official python driver for SAP HANA and you are right that > it is not open-source. I also tried with pyhdb: > > q2 = session.query(Supplier.s_acctbal, Supplier.s_name, Nation.n_name, > Part.p_partkey, Part.p_mfgr, > Supplier.s_address, Supplier.s_phone, > Supplier.s_comment).filter(Part.p_partkey == Partsupp.ps_partkey, > Supplier.s_suppkey== Partsupp.ps_suppkey, Part.p_size == > 15, Part.p_type.like('%BRASS'), > Supplier.s_nationkey == Nation.n_nationkey, > Nation.n_regionkey == Region.r_regionkey, > Region.r_name == 'Europe', Partsupp.ps_supplycost == > session.query(func.min(Partsupp.ps_supplycost) > ).filter(Part.p_partkey == Partsupp.ps_partkey, > Supplier.s_suppkey == Partsupp.ps_suppkey, > Supplier.s_nationkey == Nation.n_nationkey, > Nation.n_regionkey == Region.r_regionkey, Region.r_name > == 'EUROPE').correlate(Partsupp, Supplier, Nation, > Region)).order_by(Supplier.s_acctbal.desc(), > Nation.n_name, Supplier.s_name, > Part.p_partkey).limit(100) > > I still get an error similar to my 2nd update: > > sqlalchemy.exc.DatabaseError: (pyhdb.exceptions.DatabaseError) invalid > column name: The column 'SUPPLIER.S_ACCTBAL' is > invalid in the ORDER BY clause because the GROUP BY clause or an aggregation > function does not contain it: line 5 col 211 (at pos 887) > [SQL: u'SELECT supplier.s_acctbal AS supplier_s_acctbal, supplier.s_name AS > supplier_s_name, nation.n_name AS nation_n_name, part.p_partkey > AS part_p_partkey, part.p_mfgr AS part_p_mfgr, supplier.s_address AS > supplier_s_address, supplier.s_phone AS supplier_s_phone, > supplier.s_comment AS supplier_s_comment \nFROM supplier, nation, part, > partsupp, region \nWHERE part.p_partkey = partsupp.ps_partkey AND > supplier.s_suppkey = partsupp.ps_suppkey AND part.p_size = ? AND part.p_type > LIKE ? AND supplier.s_nationkey = nation.n_nationkey > AND nation.n_regionkey = region.r_regionkey AND region.r_name = ? AND > partsupp.ps_supplycost = (SELECT min(partsupp.ps_supplycost) > AS min_1 \nFROM part \nWHERE part.p_partkey = partsupp.ps_partkey AND > supplier.s_suppkey = partsupp.ps_suppkey AND supplier.s_nationkey = > nation.n_nationkey > AND nation.n_regionkey = region.r_regionkey AND region.r_name = ?) ORDER BY > supplier.s_acctbal DESC, nation.n_name, supplier.s_name, part.p_partkey\n > LIMIT ?'] > [parameters: (15, '%BRASS', 'Europe', 'EUROPE', 100)] (Background on this > error at: http://sqlalche.me/e/4xp6) > > Do you may be know what the reason could be? Can there be some error in my > query building using SQLAlchemy? > > Thanks and Best Regards, > Sugandha > > > -- > 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. -- 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.