On Jan 16, 2012, at 11:46 AM, werner wrote:
> I would like to do this type of thing:
>
> namesandvar = column_property(names + " " + variety)
>
> and use it e.g. like:
>
> query(db.Cellarbook).filter(db.Drinkinfo.namesandvar.contains(u'menu'))
>
> But Firebird SQL doesn't like the "+" operator, it throws an error "Strings
> cannot be added or subtracted in dialect 3".
>
> Is there an alternative which would work for both FB and Postgresql?
the + should be coming out as || if "names" and "variety" are both of String
type.
>
> Werner
>
> P.S.
> The above query generates the following:
> 2012-01-16 17:41:56,696 INFO sqlalchemy.engine.base.Engine SELECT
> cellarbook.id AS cellarbook_id, cellarbook.maturityfirst AS
> cellarbook_maturityfirst, cellarbook.maturitybest AS cellarbook_maturitybest,
> cellarbook.maturitypast AS cellarbook_maturitypast,
> cellarbook.storagelocation AS cellarbook_storagelocation,
> cellarbook.quantitypurchased AS cellarbook_quantitypurchased,
> cellarbook.quantityconsumed AS cellarbook_quantityconsumed,
> cellarbook.quantityonhand AS cellarbook_quantityonhand,
> cellarbook.lastpurchaseprice AS cellarbook_lastpurchaseprice,
> cellarbook.avgpurchaseprice AS cellarbook_avgpurchaseprice,
> cellarbook.currentvalue AS cellarbook_currentvalue, cellarbook.isactive AS
> cellarbook_isactive, cellarbook.printlabel AS cellarbook_printlabel,
> cellarbook.minqoh AS cellarbook_minqoh, cellarbook.avgscore AS
> cellarbook_avgscore, cellarbook.avgscore2 AS cellarbook_avgscore2,
> cellarbook.fk_cellar_id AS cellarbook_fk_cellar_id, cellarbook.fk_authuser_id
> AS cellarbook_fk_authuser_id, cell
> arbook.fk_bottle_id AS cellarbook_fk_bottle_id, cellarbook.fk_vintage_id AS
> cellarbook_fk_vintage_id, cellarbook.fk_drinkinfo_id AS
> cellarbook_fk_drinkinfo_id, cellarbook.fk_cbbottleid AS
> cellarbook_fk_cbbottleid, cellarbook.created_at AS cellarbook_created_at,
> cellarbook.updated_at AS cellarbook_updated_at, cellarbook.created_by AS
> cellarbook_created_by, cellarbook.updated_by AS cellarbook_updated_by,
> cellar_1.id AS cellar_1_id, cellar_1.name AS cellar_1_name,
> cellar_1.fk_authuser_id AS cellar_1_fk_authuser_id, cellar_1.created_at AS
> cellar_1_created_at, cellar_1.updated_at AS cellar_1_updated_at,
> cellar_1.created_by AS cellar_1_created_by, cellar_1.updated_by AS
> cellar_1_updated_by, authuser_1."password" AS authuser_1_password,
> authuser_1.id AS authuser_1_id, authuser_1.name AS authuser_1_name,
> authuser_1.email AS authuser_1_email, authuser_1.displayname AS
> authuser_1_displayname, authuser_1.fk_language_id AS
> authuser_1_fk_language_id, authuser_1.fk_cellar_id AS authuser_1_fk_cellar_
> id, authuser_1.created_at AS authuser_1_created_at, authuser_1.updated_at AS
> authuser_1_updated_at, authuser_1.created_by AS authuser_1_created_by,
> authuser_1.updated_by AS authuser_1_updated_by, bottle_1.id AS bottle_1_id,
> bottle_1.remarks AS bottle_1_remarks, bottle_1.barcode AS bottle_1_barcode,
> bottle_1.inetrefcode AS bottle_1_inetrefcode, bottle_1.inetrefsource AS
> bottle_1_inetrefsource, bottle_1.quantitypurchased AS
> bottle_1_quantitypurchased, bottle_1.quantityconsumed AS
> bottle_1_quantityconsumed, bottle_1.lastpurchaseprice AS
> bottle_1_lastpurchaseprice, bottle_1.avgpurchaseprice AS
> bottle_1_avgpurchaseprice, bottle_1.currentvalue AS bottle_1_currentvalue,
> bottle_1.fk_vintage_id AS bottle_1_fk_vintage_id, bottle_1.fk_container_id AS
> bottle_1_fk_container_id, bottle_1.fk_sealtype_id AS bottle_1_fk_sealtype_id,
> bottle_1.created_at AS bottle_1_created_at, bottle_1.updated_at AS
> bottle_1_updated_at, bottle_1.created_by AS bottle_1_created_by,
> bottle_1.updated_by AS bottle_1_updated_
> by, vintage_1.id AS vintage_1_id, vintage_1.vintage AS vintage_1_vintage,
> vintage_1.notes AS vintage_1_notes, vintage_1.alcohol AS vintage_1_alcohol,
> vintage_1.avgscore AS vintage_1_avgscore, vintage_1.avgscore2 AS
> vintage_1_avgscore2, vintage_1.locurl AS vintage_1_locurl, vintage_1.url AS
> vintage_1_url, vintage_1.fk_drinkinfo_id AS vintage_1_fk_drinkinfo_id,
> vintage_1.fk_wineinfo_id AS vintage_1_fk_wineinfo_id,
> vintage_1.fk_spirinfo_id AS vintage_1_fk_spirinfo_id, vintage_1.created_at AS
> vintage_1_created_at, vintage_1.updated_at AS vintage_1_updated_at,
> vintage_1.created_by AS vintage_1_created_by, vintage_1.updated_by AS
> vintage_1_updated_by, drinkinfo_1.id AS drinkinfo_1_id, drinkinfo_1.name AS
> drinkinfo_1_name, drinkinfo_1.name2 AS drinkinfo_1_name2,
> drinkinfo_1.barrique AS drinkinfo_1_barrique, drinkinfo_1.externalref AS
> drinkinfo_1_externalref, drinkinfo_1.notes AS drinkinfo_1_notes,
> drinkinfo_1.variety AS drinkinfo_1_variety, drinkinfo_1.fk_country_id AS
> drinkinfo_1_fk_country_
> id, drinkinfo_1.fk_region_id AS drinkinfo_1_fk_region_id,
> drinkinfo_1.fk_subregion_id AS drinkinfo_1_fk_subregion_id,
> drinkinfo_1.fk_minregion_id AS drinkinfo_1_fk_minregion_id,
> drinkinfo_1.fk_supplier_id AS drinkinfo_1_fk_supplier_id,
> drinkinfo_1.fk_producer_id AS drinkinfo_1_fk_producer_id,
> drinkinfo_1.fk_distiller_id AS drinkinfo_1_fk_distiller_id,
> drinkinfo_1.fk_bottler_id AS drinkinfo_1_fk_bottler_id,
> drinkinfo_1.fk_quality_id AS drinkinfo_1_fk_quality_id,
> drinkinfo_1.fk_drinktype_id AS drinkinfo_1_fk_drinktype_id,
> drinkinfo_1.fk_winestyle_id AS drinkinfo_1_fk_winestyle_id,
> drinkinfo_1.created_at AS drinkinfo_1_created_at, drinkinfo_1.updated_at AS
> drinkinfo_1_updated_at, drinkinfo_1.created_by AS drinkinfo_1_created_by,
> drinkinfo_1.updated_by AS drinkinfo_1_updated_by
> FROM drinkinfo, cellarbook LEFT OUTER JOIN cellar AS cellar_1 ON cellar_1.id
> = cellarbook.fk_cellar_id LEFT OUTER JOIN authuser AS authuser_1 ON
> authuser_1.id = cellarbook.fk_authuser_id LEFT OUTER JOIN bottle AS bottle_1
> ON bottle_1.id = cellarbook.fk_bottle_id LEFT OUTER JOIN vintage AS vintage_1
> ON vintage_1.id = cellarbook.fk_vintage_id LEFT OUTER JOIN drinkinfo AS
> drinkinfo_1 ON drinkinfo_1.id = cellarbook.fk_drinkinfo_id
> WHERE drinkinfo.name + ? + drinkinfo.name2 + (? || drinkinfo.variety) LIKE
> '%%' || ? || '%%'
> 2012-01-16 17:41:56,696 INFO sqlalchemy.engine.base.Engine (', ', ', ',
> 'menu')
>
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