import testbase import re, operator from sqlalchemy import * from sqlalchemy import exceptions, sql, util from sqlalchemy.sql import table, column from sqlalchemy.databases import sqlite, postgres, mysql, oracle, firebird, mssql from testlib import * # the select test now tests almost completely with TableClause/ColumnClause objects, # which are free-roaming table/column objects not attached to any database. # so SQLAlchemy's SQL construction engine can be used with no database dependencies at all. table1 = table('mytable', column('myid', Integer), column('name', String), column('description', String), ) table2 = table( 'myothertable', column('otherid', Integer), column('othername', String), ) table3 = table( 'thirdtable', column('userid', Integer), column('otherstuff', String), ) metadata = MetaData() table4 = Table( 'remotetable', metadata, Column('rem_id', Integer, primary_key=True), Column('datatype_id', Integer), Column('value', String(20)), schema = 'remote_owner' ) users = table('users', column('user_id'), column('user_name'), column('password'), ) addresses = table('addresses', column('address_id'), column('user_id'), column('street'), column('city'), column('state'), column('zip') ) class SelectTest(SQLCompileTest): def test_attribute_sanity(self): assert hasattr(table1, 'c') assert hasattr(table1.select(), 'c') assert not hasattr(table1.c.myid.self_group(), 'columns') assert hasattr(table1.select().self_group(), 'columns') assert not hasattr(table1.select().as_scalar().self_group(), 'columns') assert not hasattr(table1.c.myid, 'columns') assert not hasattr(table1.c.myid, 'c') assert not hasattr(table1.select().c.myid, 'c') assert not hasattr(table1.select().c.myid, 'columns') assert not hasattr(table1.alias().c.myid, 'columns') assert not hasattr(table1.alias().c.myid, 'c') def testtableselect(self): self.assert_compile(table1.select(), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable") self.assert_compile(select([table1, table2]), "SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, \ myothertable.othername FROM mytable, myothertable") def testselectselect(self): """tests placing select statements in the column clause of another select, for the purposes of selecting from the exported columns of that select.""" s = select([table1], table1.c.name == 'jack') self.assert_compile( select( [s], s.c.myid == 7 ) , "SELECT myid, name, description FROM (SELECT mytable.myid AS myid, mytable.name AS name, mytable.description AS description FROM mytable WHERE mytable.name = :mytable_name) WHERE myid = :myid") sq = select([table1]) self.assert_compile( sq.select(), "SELECT myid, name, description FROM (SELECT mytable.myid AS myid, mytable.name AS name, mytable.description AS description FROM mytable)" ) sq = select( [table1], ).alias('sq') self.assert_compile( sq.select(sq.c.myid == 7), "SELECT sq.myid, sq.name, sq.description FROM \ (SELECT mytable.myid AS myid, mytable.name AS name, mytable.description AS description FROM mytable) AS sq WHERE sq.myid = :sq_myid" ) sq = select( [table1, table2], and_(table1.c.myid ==7, table2.c.otherid==table1.c.myid), use_labels = True ).alias('sq') sqstring = "SELECT mytable.myid AS mytable_myid, mytable.name AS mytable_name, \ mytable.description AS mytable_description, myothertable.otherid AS myothertable_otherid, \ myothertable.othername AS myothertable_othername FROM mytable, myothertable \ WHERE mytable.myid = :mytable_myid AND myothertable.otherid = mytable.myid" self.assert_compile(sq.select(), "SELECT sq.mytable_myid, sq.mytable_name, sq.mytable_description, sq.myothertable_otherid, \ sq.myothertable_othername FROM (" + sqstring + ") AS sq") sq2 = select( [sq], use_labels = True ).alias('sq2') self.assert_compile(sq2.select(), "SELECT sq2.sq_mytable_myid, sq2.sq_mytable_name, sq2.sq_mytable_description, \ sq2.sq_myothertable_otherid, sq2.sq_myothertable_othername FROM \ (SELECT sq.mytable_myid AS sq_mytable_myid, sq.mytable_name AS sq_mytable_name, \ sq.mytable_description AS sq_mytable_description, sq.myothertable_otherid AS sq_myothertable_otherid, \ sq.myothertable_othername AS sq_myothertable_othername FROM (" + sqstring + ") AS sq) AS sq2") def testmssql_noorderbyinsubquery(self): """test that the ms-sql dialect removes ORDER BY clauses from subqueries""" dialect = mssql.dialect() q = select([table1.c.myid], order_by=[table1.c.myid]).alias('foo') crit = q.c.myid == table1.c.myid self.assert_compile(select(['*'], crit), """SELECT * FROM (SELECT mytable.myid AS myid FROM mytable ORDER BY mytable.myid) AS foo, mytable WHERE foo.myid = mytable.myid""", dialect=sqlite.dialect()) self.assert_compile(select(['*'], crit), """SELECT * FROM (SELECT mytable.myid AS myid FROM mytable) AS foo, mytable WHERE foo.myid = mytable.myid""", dialect=mssql.dialect()) def testmssql_aliases_schemas(self): self.assert_compile(table4.select(), "SELECT remotetable.rem_id, remotetable.datatype_id, remotetable.value FROM remote_owner.remotetable") dialect = mssql.dialect() self.assert_compile(table4.select(), "SELECT remotetable_1.rem_id, remotetable_1.datatype_id, remotetable_1.value FROM remote_owner.remotetable AS remotetable_1", dialect=dialect) # TODO: this is probably incorrect; no "AS " is being applied to the table self.assert_compile(table1.join(table4, table1.c.myid==table4.c.rem_id).select(), "SELECT mytable.myid, mytable.name, mytable.description, remotetable.rem_id, remotetable.datatype_id, remotetable.value FROM mytable JOIN remote_owner.remotetable ON remotetable.rem_id = mytable.myid") def testdontovercorrelate(self): self.assert_compile(select([table1], from_obj=[table1, table1.select()]), """SELECT mytable.myid, mytable.name, mytable.description FROM mytable, (SELECT mytable.myid AS myid, mytable.name AS name, mytable.description AS description FROM mytable)""") def testexistsascolumnclause(self): self.assert_compile(exists([table1.c.myid], table1.c.myid==5).select(), "SELECT EXISTS (SELECT mytable.myid FROM mytable WHERE mytable.myid = :mytable_myid)", params={'mytable_myid':5}) self.assert_compile(select([table1, exists([1], from_obj=[table2])]), "SELECT mytable.myid, mytable.name, mytable.description, EXISTS (SELECT 1 FROM myothertable) FROM mytable", params={}) self.assert_compile(select([table1, exists([1], from_obj=[table2]).label('foo')]), "SELECT mytable.myid, mytable.name, mytable.description, EXISTS (SELECT 1 FROM myothertable) AS foo FROM mytable", params={}) def test_generative_exists(self): self.assert_compile( table1.select(exists([1], table2.c.otherid == table1.c.myid).correlate(table1)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE EXISTS (SELECT 1 FROM myothertable WHERE myothertable.otherid = mytable.myid)" ) self.assert_compile( table1.select(exists([1]).where(table2.c.otherid == table1.c.myid).correlate(table1)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE EXISTS (SELECT 1 FROM myothertable WHERE myothertable.otherid = mytable.myid)" ) self.assert_compile( table1.select(exists([1]).where(table2.c.otherid == table1.c.myid).correlate(table1)).replace_selectable(table2, table2.alias()), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE EXISTS (SELECT 1 FROM myothertable AS myothertable_1 WHERE myothertable_1.otherid = mytable.myid)" ) self.assert_compile( table1.select(exists([1]).where(table2.c.otherid == table1.c.myid).correlate(table1)).select_from(table1.join(table2, table1.c.myid==table2.c.otherid)).replace_selectable(table2, table2.alias()), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable JOIN myothertable AS myothertable_1 ON mytable.myid = myothertable_1.otherid WHERE EXISTS (SELECT 1 FROM myothertable AS myothertable_1 WHERE myothertable_1.otherid = mytable.myid)" ) def testwheresubquery(self): s = select([addresses.c.street], addresses.c.user_id==users.c.user_id, correlate=True).alias('s') self.assert_compile( select([users, s.c.street], from_obj=[s]), """SELECT users.user_id, users.user_name, users.password, s.street FROM users, (SELECT addresses.street AS street FROM addresses WHERE addresses.user_id = users.user_id) AS s""") self.assert_compile( table1.select(table1.c.myid == select([table1.c.myid], table1.c.name=='jack')), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = (SELECT mytable.myid FROM mytable WHERE mytable.name = :mytable_name)" ) self.assert_compile( table1.select(table1.c.myid == select([table2.c.otherid], table1.c.name == table2.c.othername)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = (SELECT myothertable.otherid FROM myothertable WHERE mytable.name = myothertable.othername)" ) self.assert_compile( table1.select(exists([1], table2.c.otherid == table1.c.myid)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE EXISTS (SELECT 1 FROM myothertable WHERE myothertable.otherid = mytable.myid)" ) talias = table1.alias('ta') s = subquery('sq2', [talias], exists([1], table2.c.otherid == talias.c.myid)) self.assert_compile( select([s, table1]) ,"SELECT sq2.myid, sq2.name, sq2.description, mytable.myid, mytable.name, mytable.description FROM (SELECT ta.myid AS myid, ta.name AS name, ta.description AS description FROM mytable AS ta WHERE EXISTS (SELECT 1 FROM myothertable WHERE myothertable.otherid = ta.myid)) AS sq2, mytable") s = select([addresses.c.street], addresses.c.user_id==users.c.user_id, correlate=True).alias('s') self.assert_compile( select([users, s.c.street], from_obj=[s]), """SELECT users.user_id, users.user_name, users.password, s.street FROM users, (SELECT addresses.street AS street FROM addresses WHERE addresses.user_id = users.user_id) AS s""") # test constructing the outer query via append_column(), which occurs in the ORM's Query object s = select([], exists([1], table2.c.otherid==table1.c.myid), from_obj=[table1]) s.append_column(table1) self.assert_compile( s, "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE EXISTS (SELECT 1 FROM myothertable WHERE myothertable.otherid = mytable.myid)" ) def testorderbysubquery(self): self.assert_compile( table1.select(order_by=[select([table2.c.otherid], table1.c.myid==table2.c.otherid)]), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable ORDER BY (SELECT myothertable.otherid FROM myothertable WHERE mytable.myid = myothertable.otherid)" ) self.assert_compile( table1.select(order_by=[desc(select([table2.c.otherid], table1.c.myid==table2.c.otherid))]), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable ORDER BY (SELECT myothertable.otherid FROM myothertable WHERE mytable.myid = myothertable.otherid) DESC" ) def test_scalar_select(self): s = select([table1.c.myid], scalar=True, correlate=False) self.assert_compile(select([table1, s]), "SELECT mytable.myid, mytable.name, mytable.description, (SELECT mytable.myid FROM mytable) FROM mytable") s = select([table1.c.myid], scalar=True) self.assert_compile(select([table2, s]), "SELECT myothertable.otherid, myothertable.othername, (SELECT mytable.myid FROM mytable) FROM myothertable") s = select([table1.c.myid]).correlate(None).as_scalar() self.assert_compile(select([table1, s]), "SELECT mytable.myid, mytable.name, mytable.description, (SELECT mytable.myid FROM mytable) FROM mytable") s = select([table1.c.myid]).as_scalar() self.assert_compile(select([table2, s]), "SELECT myothertable.otherid, myothertable.othername, (SELECT mytable.myid FROM mytable) FROM myothertable") # test expressions against scalar selects self.assert_compile(select([s - literal(8)]), "SELECT (SELECT mytable.myid FROM mytable) - :literal") self.assert_compile(select([select([table1.c.name]).as_scalar() + literal('x')]), "SELECT (SELECT mytable.name FROM mytable) || :literal") self.assert_compile(select([s > literal(8)]), "SELECT (SELECT mytable.myid FROM mytable) > :literal") self.assert_compile(select([select([table1.c.name]).label('foo')]), "SELECT (SELECT mytable.name FROM mytable) AS foo") # scalar selects should not have any attributes on their 'c' or 'columns' attribute s = select([table1.c.myid]).as_scalar() try: s.c.foo except exceptions.InvalidRequestError, err: assert str(err) == 'Scalar Select expression has no columns; use this object directly within a column-level expression.' try: s.columns.foo except exceptions.InvalidRequestError, err: assert str(err) == 'Scalar Select expression has no columns; use this object directly within a column-level expression.' zips = table('zips', column('zipcode'), column('latitude'), column('longitude'), ) places = table('places', column('id'), column('nm') ) zip = '12345' qlat = select([zips.c.latitude], zips.c.zipcode == zip).correlate(None).as_scalar() qlng = select([zips.c.longitude], zips.c.zipcode == zip).correlate(None).as_scalar() q = select([places.c.id, places.c.nm, zips.c.zipcode, func.latlondist(qlat, qlng).label('dist')], zips.c.zipcode==zip, order_by = ['dist', places.c.nm] ) self.assert_compile(q,"SELECT places.id, places.nm, zips.zipcode, latlondist((SELECT zips.latitude FROM zips WHERE " "zips.zipcode = :zips_zipcode), (SELECT zips.longitude FROM zips WHERE zips.zipcode = :zips_zipcode_1)) AS dist " "FROM places, zips WHERE zips.zipcode = :zips_zipcode_2 ORDER BY dist, places.nm") zalias = zips.alias('main_zip') qlat = select([zips.c.latitude], zips.c.zipcode == zalias.c.zipcode, scalar=True) qlng = select([zips.c.longitude], zips.c.zipcode == zalias.c.zipcode, scalar=True) q = select([places.c.id, places.c.nm, zalias.c.zipcode, func.latlondist(qlat, qlng).label('dist')], order_by = ['dist', places.c.nm] ) self.assert_compile(q, "SELECT places.id, places.nm, main_zip.zipcode, latlondist((SELECT zips.latitude FROM zips WHERE zips.zipcode = main_zip.zipcode), (SELECT zips.longitude FROM zips WHERE zips.zipcode = main_zip.zipcode)) AS dist FROM places, zips AS main_zip ORDER BY dist, places.nm") a1 = table2.alias('t2alias') s1 = select([a1.c.otherid], table1.c.myid==a1.c.otherid, scalar=True) j1 = table1.join(table2, table1.c.myid==table2.c.otherid) s2 = select([table1, s1], from_obj=[j1]) self.assert_compile(s2, "SELECT mytable.myid, mytable.name, mytable.description, (SELECT t2alias.otherid FROM myothertable AS t2alias WHERE mytable.myid = t2alias.otherid) FROM mytable JOIN myothertable ON mytable.myid = myothertable.otherid") def testlabelcomparison(self): x = func.lala(table1.c.myid).label('foo') self.assert_compile(select([x], x==5), "SELECT lala(mytable.myid) AS foo FROM mytable WHERE lala(mytable.myid) = :literal") def testand(self): self.assert_compile( select(['*'], and_(table1.c.myid == 12, table1.c.name=='asdf', table2.c.othername == 'foo', "sysdate() = today()")), "SELECT * FROM mytable, myothertable WHERE mytable.myid = :mytable_myid AND mytable.name = :mytable_name AND myothertable.othername = :myothertable_othername AND sysdate() = today()" ) def testor(self): self.assert_compile( select([table1], and_( table1.c.myid == 12, or_(table2.c.othername=='asdf', table2.c.othername == 'foo', table2.c.otherid == 9), "sysdate() = today()", )), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :mytable_myid AND (myothertable.othername = :myothertable_othername OR myothertable.othername = :myothertable_othername_1 OR myothertable.otherid = :myothertable_otherid) AND sysdate() = today()", checkparams = {'myothertable_othername': 'asdf', 'myothertable_othername_1':'foo', 'myothertable_otherid': 9, 'mytable_myid': 12} ) def testdistinct(self): self.assert_compile( select([table1.c.myid.distinct()]), "SELECT DISTINCT mytable.myid FROM mytable" ) self.assert_compile( select([distinct(table1.c.myid)]), "SELECT DISTINCT mytable.myid FROM mytable" ) self.assert_compile( select([table1.c.myid]).distinct(), "SELECT DISTINCT mytable.myid FROM mytable" ) self.assert_compile( select([func.count(table1.c.myid.distinct())]), "SELECT count(DISTINCT mytable.myid) FROM mytable" ) self.assert_compile( select([func.count(distinct(table1.c.myid))]), "SELECT count(DISTINCT mytable.myid) FROM mytable" ) def testoperators(self): # exercise arithmetic operators for (py_op, sql_op) in ((operator.add, '+'), (operator.mul, '*'), (operator.sub, '-'), (operator.div, '/'), ): for (lhs, rhs, res) in ( (5, table1.c.myid, ':mytable_myid %s mytable.myid'), (5, literal(5), ':literal %s :literal_1'), (table1.c.myid, 'b', 'mytable.myid %s :mytable_myid'), (table1.c.myid, literal(2.7), 'mytable.myid %s :literal'), (table1.c.myid, table1.c.myid, 'mytable.myid %s mytable.myid'), (literal(5), 8, ':literal %s :literal_1'), (literal(6), table1.c.myid, ':literal %s mytable.myid'), (literal(7), literal(5.5), ':literal %s :literal_1'), ): self.assert_compile(py_op(lhs, rhs), res % sql_op) # exercise comparison operators for (py_op, fwd_op, rev_op) in ((operator.lt, '<', '>'), (operator.gt, '>', '<'), (operator.eq, '=', '='), (operator.ne, '!=', '!='), (operator.le, '<=', '>='), (operator.ge, '>=', '<=')): for (lhs, rhs, l_sql, r_sql) in ( ('a', table1.c.myid, ':mytable_myid', 'mytable.myid'), ('a', literal('b'), ':literal_1', ':literal'), # note swap! (table1.c.myid, 'b', 'mytable.myid', ':mytable_myid'), (table1.c.myid, literal('b'), 'mytable.myid', ':literal'), (table1.c.myid, table1.c.myid, 'mytable.myid', 'mytable.myid'), (literal('a'), 'b', ':literal', ':literal_1'), (literal('a'), table1.c.myid, ':literal', 'mytable.myid'), (literal('a'), literal('b'), ':literal', ':literal_1'), ): # the compiled clause should match either (e.g.): # 'a' < 'b' -or- 'b' > 'a'. compiled = str(py_op(lhs, rhs)) fwd_sql = "%s %s %s" % (l_sql, fwd_op, r_sql) rev_sql = "%s %s %s" % (r_sql, rev_op, l_sql) self.assert_(compiled == fwd_sql or compiled == rev_sql, "\n'" + compiled + "'\n does not match\n'" + fwd_sql + "'\n or\n'" + rev_sql + "'") self.assert_compile( table1.select((table1.c.myid != 12) & ~(table1.c.name=='john')), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid != :mytable_myid AND mytable.name != :mytable_name" ) self.assert_compile( table1.select((table1.c.myid != 12) & ~(table1.c.name.between('jack','john'))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid != :mytable_myid AND NOT (mytable.name BETWEEN :mytable_name AND :mytable_name_1)" ) self.assert_compile( table1.select((table1.c.myid != 12) & ~and_(table1.c.name=='john', table1.c.name=='ed', table1.c.name=='fred')), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid != :mytable_myid AND NOT (mytable.name = :mytable_name AND mytable.name = :mytable_name_1 AND mytable.name = :mytable_name_2)" ) self.assert_compile( table1.select((table1.c.myid != 12) & ~table1.c.name), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid != :mytable_myid AND NOT mytable.name" ) self.assert_compile( literal("a") + literal("b") * literal("c"), ":literal || :literal_1 * :literal_2" ) # test the op() function, also that its results are further usable in expressions self.assert_compile( table1.select(table1.c.myid.op('hoho')(12)==14), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE (mytable.myid hoho :mytable_myid) = :literal" ) # test that clauses can be pickled (operators need to be module-level, etc.) clause = (table1.c.myid == 12) & table1.c.myid.between(15, 20) & table1.c.myid.like('hoho') assert str(clause) == str(util.pickle.loads(util.pickle.dumps(clause))) def testunicodestartswith(self): string = u"hi \xf6 \xf5" self.assert_compile( table1.select(table1.c.name.startswith(string)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.name LIKE :mytable_name", checkparams = {'mytable_name': u'hi \xf6 \xf5%'}, ) def testmultiparam(self): self.assert_compile( select(["*"], or_(table1.c.myid == 12, table1.c.myid=='asdf', table1.c.myid == 'foo')), "SELECT * FROM mytable WHERE mytable.myid = :mytable_myid OR mytable.myid = :mytable_myid_1 OR mytable.myid = :mytable_myid_2" ) def testorderby(self): self.assert_compile( table2.select(order_by = [table2.c.otherid, asc(table2.c.othername)]), "SELECT myothertable.otherid, myothertable.othername FROM myothertable ORDER BY myothertable.otherid, myothertable.othername ASC" ) self.assert_compile( table2.select(order_by = [table2.c.otherid, table2.c.othername.desc()]), "SELECT myothertable.otherid, myothertable.othername FROM myothertable ORDER BY myothertable.otherid, myothertable.othername DESC" ) def testgroupby(self): self.assert_compile( select([table2.c.othername, func.count(table2.c.otherid)], group_by = [table2.c.othername]), "SELECT myothertable.othername, count(myothertable.otherid) FROM myothertable GROUP BY myothertable.othername" ) def testgroupby_and_orderby(self): self.assert_compile( select([table2.c.othername, func.count(table2.c.otherid)], group_by = [table2.c.othername], order_by = [table2.c.othername]), "SELECT myothertable.othername, count(myothertable.otherid) FROM myothertable GROUP BY myothertable.othername ORDER BY myothertable.othername" ) def testforupdate(self): self.assert_compile(table1.select(table1.c.myid==7, for_update=True), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid FOR UPDATE") self.assert_compile(table1.select(table1.c.myid==7, for_update="nowait"), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid FOR UPDATE") self.assert_compile(table1.select(table1.c.myid==7, for_update="nowait"), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid FOR UPDATE NOWAIT", dialect=oracle.dialect()) self.assert_compile(table1.select(table1.c.myid==7, for_update="read"), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = %s LOCK IN SHARE MODE", dialect=mysql.dialect()) self.assert_compile(table1.select(table1.c.myid==7, for_update=True), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = %s FOR UPDATE", dialect=mysql.dialect()) self.assert_compile(table1.select(table1.c.myid==7, for_update=True), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid FOR UPDATE", dialect=oracle.dialect()) def testalias(self): # test the alias for a table1. column names stay the same, table name "changes" to "foo". self.assert_compile( select([table1.alias('foo')]) ,"SELECT foo.myid, foo.name, foo.description FROM mytable AS foo") for dialect in (firebird.dialect(), oracle.dialect()): self.assert_compile( select([table1.alias('foo')]) ,"SELECT foo.myid, foo.name, foo.description FROM mytable foo" ,dialect=dialect) self.assert_compile( select([table1.alias()]) ,"SELECT mytable_1.myid, mytable_1.name, mytable_1.description FROM mytable AS mytable_1") # create a select for a join of two tables. use_labels means the column names will have # labels tablename_columnname, which become the column keys accessible off the Selectable object. # also, only use one column from the second table and all columns from the first table1. q = select([table1, table2.c.otherid], table1.c.myid == table2.c.otherid, use_labels = True) # make an alias of the "selectable". column names stay the same (i.e. the labels), table name "changes" to "t2view". a = alias(q, 't2view') # select from that alias, also using labels. two levels of labels should produce two underscores. # also, reference the column "mytable_myid" off of the t2view alias. self.assert_compile( a.select(a.c.mytable_myid == 9, use_labels = True), "SELECT t2view.mytable_myid AS t2view_mytable_myid, t2view.mytable_name AS t2view_mytable_name, \ t2view.mytable_description AS t2view_mytable_description, t2view.myothertable_otherid AS t2view_myothertable_otherid FROM \ (SELECT mytable.myid AS mytable_myid, mytable.name AS mytable_name, mytable.description AS mytable_description, \ myothertable.otherid AS myothertable_otherid FROM mytable, myothertable \ WHERE mytable.myid = myothertable.otherid) AS t2view WHERE t2view.mytable_myid = :t2view_mytable_myid" ) def test_prefixes(self): self.assert_compile(table1.select().prefix_with("SQL_CALC_FOUND_ROWS").prefix_with("SQL_SOME_WEIRD_MYSQL_THING"), "SELECT SQL_CALC_FOUND_ROWS SQL_SOME_WEIRD_MYSQL_THING mytable.myid, mytable.name, mytable.description FROM mytable" ) def testtext(self): self.assert_compile( text("select * from foo where lala = bar") , "select * from foo where lala = bar" ) # test bytestring self.assert_compile(select( ["foobar(a)", "pk_foo_bar(syslaal)"], "a = 12", from_obj = ["foobar left outer join lala on foobar.foo = lala.foo"] ), "SELECT foobar(a), pk_foo_bar(syslaal) FROM foobar left outer join lala on foobar.foo = lala.foo WHERE a = 12") # test unicode self.assert_compile(select( [u"foobar(a)", u"pk_foo_bar(syslaal)"], u"a = 12", from_obj = [u"foobar left outer join lala on foobar.foo = lala.foo"] ), u"SELECT foobar(a), pk_foo_bar(syslaal) FROM foobar left outer join lala on foobar.foo = lala.foo WHERE a = 12") # test building a select query programmatically with text s = select() s.append_column("column1") s.append_column("column2") s.append_whereclause("column1=12") s.append_whereclause("column2=19") s = s.order_by("column1") s.append_from("table1") self.assert_compile(s, "SELECT column1, column2 FROM table1 WHERE column1=12 AND column2=19 ORDER BY column1") def testtextcolumns(self): self.assert_compile( select(["column1", "column2"], from_obj=[table1]).alias('somealias').select(), "SELECT somealias.column1, somealias.column2 FROM (SELECT column1, column2 FROM mytable) AS somealias" ) # test that use_labels doesnt interfere with literal columns self.assert_compile( select(["column1", "column2", table1.c.myid], from_obj=[table1], use_labels=True), "SELECT column1, column2, mytable.myid AS mytable_myid FROM mytable" ) # test that use_labels doesnt interfere with literal columns that have textual labels self.assert_compile( select(["column1 AS foobar", "column2 AS hoho", table1.c.myid], from_obj=[table1], use_labels=True), "SELECT column1 AS foobar, column2 AS hoho, mytable.myid AS mytable_myid FROM mytable" ) print "---------------------------------------------" s1 = select(["column1 AS foobar", "column2 AS hoho", table1.c.myid], from_obj=[table1]) print "---------------------------------------------" # test that "auto-labeling of subquery columns" doesnt interfere with literal columns, # exported columns dont get quoted self.assert_compile( select(["column1 AS foobar", "column2 AS hoho", table1.c.myid], from_obj=[table1]).select(), "SELECT column1 AS foobar, column2 AS hoho, myid FROM (SELECT column1 AS foobar, column2 AS hoho, mytable.myid AS myid FROM mytable)" ) def testtextbinds(self): self.assert_compile( text("select * from foo where lala=:bar and hoho=:whee", bindparams=[bindparam('bar', 4), bindparam('whee', 7)]), "select * from foo where lala=:bar and hoho=:whee", checkparams={'bar':4, 'whee': 7}, ) self.assert_compile( text("select * from foo where clock='05:06:07'"), "select * from foo where clock='05:06:07'", checkparams={}, params={}, ) dialect = postgres.dialect() self.assert_compile( text("select * from foo where lala=:bar and hoho=:whee", bindparams=[bindparam('bar',4), bindparam('whee',7)]), "select * from foo where lala=%(bar)s and hoho=%(whee)s", checkparams={'bar':4, 'whee': 7}, dialect=dialect ) self.assert_compile( text("select * from foo where clock='05:06:07' and mork='\:mindy'"), "select * from foo where clock='05:06:07' and mork=':mindy'", checkparams={}, params={}, dialect=dialect ) dialect = sqlite.dialect() self.assert_compile( text("select * from foo where lala=:bar and hoho=:whee", bindparams=[bindparam('bar',4), bindparam('whee',7)]), "select * from foo where lala=? and hoho=?", checkparams=[4, 7], dialect=dialect ) def testtextmix(self): self.assert_compile(select( [table1, table2.c.otherid, "sysdate()", "foo, bar, lala"], and_( "foo.id = foofoo(lala)", "datetime(foo) = Today", table1.c.myid == table2.c.otherid, ) ), "SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, sysdate(), foo, bar, lala \ FROM mytable, myothertable WHERE foo.id = foofoo(lala) AND datetime(foo) = Today AND mytable.myid = myothertable.otherid") def testtextualsubquery(self): self.assert_compile(select( [alias(table1, 't'), "foo.f"], "foo.f = t.id", from_obj = ["(select f from bar where lala=heyhey) foo"] ), "SELECT t.myid, t.name, t.description, foo.f FROM mytable AS t, (select f from bar where lala=heyhey) foo WHERE foo.f = t.id") def testliteral(self): self.assert_compile(select([literal("foo") + literal("bar")], from_obj=[table1]), "SELECT :literal || :literal_1 FROM mytable") def testcalculatedcolumns(self): value_tbl = table('values', column('id', Integer), column('val1', Float), column('val2', Float), ) self.assert_compile( select([value_tbl.c.id, (value_tbl.c.val2 - value_tbl.c.val1)/value_tbl.c.val1]), "SELECT values.id, (values.val2 - values.val1) / values.val1 FROM values" ) self.assert_compile( select([value_tbl.c.id], (value_tbl.c.val2 - value_tbl.c.val1)/value_tbl.c.val1 > 2.0), "SELECT values.id FROM values WHERE (values.val2 - values.val1) / values.val1 > :literal" ) self.assert_compile( select([value_tbl.c.id], value_tbl.c.val1 / (value_tbl.c.val2 - value_tbl.c.val1) /value_tbl.c.val1 > 2.0), "SELECT values.id FROM values WHERE values.val1 / (values.val2 - values.val1) / values.val1 > :literal" ) def testfunction(self): """tests the generation of functions using the func keyword""" # test an expression with a function self.assert_compile(func.lala(3, 4, literal("five"), table1.c.myid) * table2.c.otherid, "lala(:lala, :lala_1, :literal, mytable.myid) * myothertable.otherid") # test it in a SELECT self.assert_compile(select([func.count(table1.c.myid)]), "SELECT count(mytable.myid) FROM mytable") # test a "dotted" function name self.assert_compile(select([func.foo.bar.lala(table1.c.myid)]), "SELECT foo.bar.lala(mytable.myid) FROM mytable") # test the bind parameter name with a "dotted" function name is only the name # (limits the length of the bind param name) self.assert_compile(select([func.foo.bar.lala(12)]), "SELECT foo.bar.lala(:lala)") # test a dotted func off the engine itself self.assert_compile(func.lala.hoho(7), "lala.hoho(:hoho)") # test None becomes NULL self.assert_compile(func.my_func(1,2,None,3), "my_func(:my_func, :my_func_1, NULL, :my_func_2)") # assert func raises AttributeError for __bases__ attribute, since its not a class # fixes pydoc try: func.__bases__ assert False except AttributeError: assert True def testextract(self): """test the EXTRACT function""" self.assert_compile(select([extract("month", table3.c.otherstuff)]), "SELECT extract(month FROM thirdtable.otherstuff) FROM thirdtable") self.assert_compile(select([extract("day", func.to_date("03/20/2005", "MM/DD/YYYY"))]), "SELECT extract(day FROM to_date(:to_date, :to_date_1))") def testjoin(self): self.assert_compile( join(table2, table1, table1.c.myid == table2.c.otherid).select(), "SELECT myothertable.otherid, myothertable.othername, mytable.myid, mytable.name, \ mytable.description FROM myothertable JOIN mytable ON mytable.myid = myothertable.otherid" ) self.assert_compile( select( [table1], from_obj = [join(table1, table2, table1.c.myid == table2.c.otherid)] ), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable JOIN myothertable ON mytable.myid = myothertable.otherid") self.assert_compile( select( [join(join(table1, table2, table1.c.myid == table2.c.otherid), table3, table1.c.myid == table3.c.userid) ]), "SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername, thirdtable.userid, thirdtable.otherstuff FROM mytable JOIN myothertable ON mytable.myid = myothertable.otherid JOIN thirdtable ON mytable.myid = thirdtable.userid" ) self.assert_compile( join(users, addresses, users.c.user_id==addresses.c.user_id).select(), "SELECT users.user_id, users.user_name, users.password, addresses.address_id, addresses.user_id, addresses.street, addresses.city, addresses.state, addresses.zip FROM users JOIN addresses ON users.user_id = addresses.user_id" ) def testmultijoin(self): self.assert_compile( select([table1, table2, table3], from_obj = [join(table1, table2, table1.c.myid == table2.c.otherid).outerjoin(table3, table1.c.myid==table3.c.userid)] #from_obj = [outerjoin(join(table, table2, table1.c.myid == table2.c.otherid), table3, table1.c.myid==table3.c.userid)] ) ,"SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername, thirdtable.userid, thirdtable.otherstuff FROM mytable JOIN myothertable ON mytable.myid = myothertable.otherid LEFT OUTER JOIN thirdtable ON mytable.myid = thirdtable.userid" ) self.assert_compile( select([table1, table2, table3], from_obj = [outerjoin(table1, join(table2, table3, table2.c.otherid == table3.c.userid), table1.c.myid==table2.c.otherid)] ) ,"SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername, thirdtable.userid, thirdtable.otherstuff FROM mytable LEFT OUTER JOIN (myothertable JOIN thirdtable ON myothertable.otherid = thirdtable.userid) ON mytable.myid = myothertable.otherid" ) def testunion(self): x = union( select([table1], table1.c.myid == 5), select([table1], table1.c.myid == 12), order_by = [table1.c.myid], ) self.assert_compile(x, "SELECT mytable.myid, mytable.name, mytable.description \ FROM mytable WHERE mytable.myid = :mytable_myid UNION \ SELECT mytable.myid, mytable.name, mytable.description \ FROM mytable WHERE mytable.myid = :mytable_myid_1 ORDER BY mytable.myid") self.assert_compile( union( select([table1]), select([table2]), select([table3]) ) , "SELECT mytable.myid, mytable.name, mytable.description \ FROM mytable UNION SELECT myothertable.otherid, myothertable.othername \ FROM myothertable UNION SELECT thirdtable.userid, thirdtable.otherstuff FROM thirdtable") u = union( select([table1]), select([table2]), select([table3]) ) assert u.corresponding_column(table2.c.otherid) is u.c.otherid self.assert_compile( union( select([table1]), select([table2]), order_by=['myid'], offset=10, limit=5 ) , "SELECT mytable.myid, mytable.name, mytable.description \ FROM mytable UNION SELECT myothertable.otherid, myothertable.othername \ FROM myothertable ORDER BY myid \ LIMIT 5 OFFSET 10" ) self.assert_compile( union( select([table1.c.myid, table1.c.name, func.max(table1.c.description)], table1.c.name=='name2', group_by=[table1.c.myid, table1.c.name]), table1.select(table1.c.name=='name1') ) , "SELECT mytable.myid, mytable.name, max(mytable.description) FROM mytable \ WHERE mytable.name = :mytable_name GROUP BY mytable.myid, mytable.name UNION SELECT mytable.myid, mytable.name, mytable.description \ FROM mytable WHERE mytable.name = :mytable_name_1" ) def test_compound_select_grouping(self): self.assert_compile( union_all( select([table1.c.myid]), union( select([table2.c.otherid]), select([table3.c.userid]), ) ) , "SELECT mytable.myid FROM mytable UNION ALL (SELECT myothertable.otherid FROM myothertable UNION \ SELECT thirdtable.userid FROM thirdtable)" ) # This doesn't need grouping, so don't group to not give sqlite unnecessarily hard time self.assert_compile( union( except_( select([table2.c.otherid]), select([table3.c.userid]), ), select([table1.c.myid]) ) , "SELECT myothertable.otherid FROM myothertable EXCEPT SELECT thirdtable.userid FROM thirdtable \ UNION SELECT mytable.myid FROM mytable" ) def testouterjoin(self): query = select( [table1, table2], or_( table1.c.name == 'fred', table1.c.myid == 10, table2.c.othername != 'jack', "EXISTS (select yay from foo where boo = lar)" ), from_obj = [ outerjoin(table1, table2, table1.c.myid == table2.c.otherid) ] ) self.assert_compile(query, "SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername \ FROM mytable LEFT OUTER JOIN myothertable ON mytable.myid = myothertable.otherid \ WHERE mytable.name = %(mytable_name)s OR mytable.myid = %(mytable_myid)s OR \ myothertable.othername != %(myothertable_othername)s OR \ EXISTS (select yay from foo where boo = lar)", dialect=postgres.dialect() ) def testbindparam(self): for ( stmt, expected_named_stmt, expected_positional_stmt, expected_default_params_dict, expected_default_params_list, test_param_dict, expected_test_params_dict, expected_test_params_list ) in [ ( select( [table1, table2], and_( table1.c.myid == table2.c.otherid, table1.c.name == bindparam('mytablename') )), """SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername FROM mytable, myothertable WHERE mytable.myid = myothertable.otherid AND mytable.name = :mytablename""", """SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername FROM mytable, myothertable WHERE mytable.myid = myothertable.otherid AND mytable.name = ?""", {'mytablename':None}, [None], {'mytablename':5}, {'mytablename':5}, [5] ), ( select([table1], or_(table1.c.myid==bindparam('myid'), table2.c.otherid==bindparam('myid'))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myid", "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = ? OR myothertable.otherid = ?", {'myid':None}, [None, None], {'myid':5}, {'myid':5}, [5,5] ), ( text("SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myid"), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myid", "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = ? OR myothertable.otherid = ?", {'myid':None}, [None, None], {'myid':5}, {'myid':5}, [5,5] ), ( select([table1], or_(table1.c.myid==bindparam('myid', unique=True), table2.c.otherid==bindparam('myid', unique=True))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myid_1", "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = ? OR myothertable.otherid = ?", {'myid':None, 'myid_1':None}, [None, None], {'myid':5, 'myid_1': 6}, {'myid':5, 'myid_1':6}, [5,6] ), ( bindparam('test', type_=String) + text("'hi'"), ":test || 'hi'", "? || 'hi'", {'test':None}, [None], {}, {'test':None}, [None] ), ( select([table1], or_(table1.c.myid==bindparam('myid'), table2.c.otherid==bindparam('myotherid'))).params({'myid':8, 'myotherid':7}), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myotherid", "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = ? OR myothertable.otherid = ?", {'myid':8, 'myotherid':7}, [8, 7], {'myid':5}, {'myid':5, 'myotherid':7}, [5,7] ), ( select([table1], or_(table1.c.myid==bindparam('myid', value=7, unique=True), table2.c.otherid==bindparam('myid', value=8, unique=True))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = :myid OR myothertable.otherid = :myid_1", "SELECT mytable.myid, mytable.name, mytable.description FROM mytable, myothertable WHERE mytable.myid = ? OR myothertable.otherid = ?", {'myid':7, 'myid_1':8}, [7,8], {'myid':5, 'myid_1':6}, {'myid':5, 'myid_1':6}, [5,6] ), ]: self.assert_compile(stmt, expected_named_stmt, params=expected_default_params_dict) self.assert_compile(stmt, expected_positional_stmt, dialect=sqlite.dialect()) nonpositional = stmt.compile() positional = stmt.compile(dialect=sqlite.dialect()) assert positional.get_params().get_raw_list({}) == expected_default_params_list assert nonpositional.get_params(**test_param_dict).get_raw_dict({}) == expected_test_params_dict, "expected :%s got %s" % (str(expected_test_params_dict), str(nonpositional.get_params(**test_param_dict).get_raw_dict())) assert positional.get_params(**test_param_dict).get_raw_list({}) == expected_test_params_list # check that params() doesnt modify original statement s = select([table1], or_(table1.c.myid==bindparam('myid'), table2.c.otherid==bindparam('myotherid'))) s2 = s.params({'myid':8, 'myotherid':7}) s3 = s2.params({'myid':9}) assert s.compile().params.get_original_dict() == {'myid':None, 'myotherid':None} assert s2.compile().params.get_original_dict() == {'myid':8, 'myotherid':7} assert s3.compile().params.get_original_dict() == {'myid':9, 'myotherid':7} # check that conflicts with "unique" params are caught s = select([table1], or_(table1.c.myid==7, table1.c.myid==bindparam('mytable_myid'))) try: str(s) assert False except exceptions.CompileError, err: assert str(err) == "Bind parameter 'mytable_myid' conflicts with unique bind parameter of the same name" s = select([table1], or_(table1.c.myid==7, table1.c.myid==8, table1.c.myid==bindparam('mytable_myid_1'))) try: str(s) assert False except exceptions.CompileError, err: assert str(err) == "Bind parameter 'mytable_myid_1' conflicts with unique bind parameter of the same name" def testbindascol(self): t = table('foo', column('id')) s = select([t, literal('lala').label('hoho')]) self.assert_compile(s, "SELECT foo.id, :literal AS hoho FROM foo") assert [str(c) for c in s.c] == ["id", "hoho"] def testin(self): self.assert_compile(select([table1], table1.c.myid.in_(['a'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid)") self.assert_compile(select([table1], ~table1.c.myid.in_(['a'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid NOT IN (:mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_(['a', 'b'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :mytable_myid_1)") self.assert_compile(select([table1], table1.c.myid.in_(iter(['a', 'b']))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :mytable_myid_1)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a')])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a'), 'b'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal, :mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a'), literal('b')])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal, :literal_1)") self.assert_compile(select([table1], table1.c.myid.in_(['a', literal('b')])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :literal)") self.assert_compile(select([table1], table1.c.myid.in_([literal(1) + 'a'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal + :literal_1)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a') +'a', 'b'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal || :literal_1, :mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a') + literal('a'), literal('b')])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal || :literal_1, :literal_2)") self.assert_compile(select([table1], table1.c.myid.in_([1, literal(3) + 4])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :literal + :literal_1)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a') < 'b'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal < :literal_1)") self.assert_compile(select([table1], table1.c.myid.in_([table1.c.myid])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (mytable.myid)") self.assert_compile(select([table1], table1.c.myid.in_(['a', table1.c.myid])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, mytable.myid)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a'), table1.c.myid])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal, mytable.myid)") self.assert_compile(select([table1], table1.c.myid.in_([literal('a'), table1.c.myid +'a'])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal, mytable.myid + :mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_([literal(1), 'a' + table1.c.myid])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:literal, :mytable_myid + mytable.myid)") self.assert_compile(select([table1], table1.c.myid.in_([1, 2, 3])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :mytable_myid_1, :mytable_myid_2)") self.assert_compile(select([table1], table1.c.myid.in_(select([table2.c.otherid]))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (SELECT myothertable.otherid FROM myothertable)") self.assert_compile(select([table1], ~table1.c.myid.in_(select([table2.c.otherid]))), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid NOT IN (SELECT myothertable.otherid FROM myothertable)") self.assert_compile(select([table1], table1.c.myid.in_( union( select([table1], table1.c.myid == 5), select([table1], table1.c.myid == 12), ) )), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable \ WHERE mytable.myid IN (\ SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid \ UNION SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid = :mytable_myid_1)") # test that putting a select in an IN clause does not blow away its ORDER BY clause self.assert_compile( select([table1, table2], table2.c.otherid.in_( select([table2.c.otherid], order_by=[table2.c.othername], limit=10, correlate=False) ), from_obj=[table1.join(table2, table1.c.myid==table2.c.otherid)], order_by=[table1.c.myid] ), "SELECT mytable.myid, mytable.name, mytable.description, myothertable.otherid, myothertable.othername FROM mytable JOIN myothertable ON mytable.myid = myothertable.otherid WHERE myothertable.otherid IN (SELECT myothertable.otherid FROM myothertable ORDER BY myothertable.othername LIMIT 10) ORDER BY mytable.myid" ) # test empty in clause self.assert_compile(select([table1], table1.c.myid.in_([])), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE (CASE WHEN (mytable.myid IS NULL) THEN NULL ELSE 0 END = 1)") def test_in_deprecated_api(self): self.assert_compile(select([table1], table1.c.myid.in_('abc')), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_(1)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid)") self.assert_compile(select([table1], table1.c.myid.in_(1,2)), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE mytable.myid IN (:mytable_myid, :mytable_myid_1)") self.assert_compile(select([table1], table1.c.myid.in_()), "SELECT mytable.myid, mytable.name, mytable.description FROM mytable WHERE (CASE WHEN (mytable.myid IS NULL) THEN NULL ELSE 0 END = 1)") def testcast(self): tbl = table('casttest', column('id', Integer), column('v1', Float), column('v2', Float), column('ts', TIMESTAMP), ) def check_results(dialect, expected_results, literal): self.assertEqual(len(expected_results), 5, 'Incorrect number of expected results') self.assertEqual(str(cast(tbl.c.v1, Numeric).compile(dialect=dialect)), 'CAST(casttest.v1 AS %s)' %expected_results[0]) self.assertEqual(str(cast(tbl.c.v1, Numeric(12, 9)).compile(dialect=dialect)), 'CAST(casttest.v1 AS %s)' %expected_results[1]) self.assertEqual(str(cast(tbl.c.ts, Date).compile(dialect=dialect)), 'CAST(casttest.ts AS %s)' %expected_results[2]) self.assertEqual(str(cast(1234, TEXT).compile(dialect=dialect)), 'CAST(%s AS %s)' %(literal, expected_results[3])) self.assertEqual(str(cast('test', String(20)).compile(dialect=dialect)), 'CAST(%s AS %s)' %(literal, expected_results[4])) sel = select([tbl, cast(tbl.c.v1, Numeric)]).compile(dialect=dialect) self.assertEqual(str(sel), "SELECT casttest.id, casttest.v1, casttest.v2, casttest.ts, CAST(casttest.v1 AS NUMERIC(10, 2)) \nFROM casttest") # first test with Postgres engine check_results(postgres.dialect(), ['NUMERIC(10, 2)', 'NUMERIC(12, 9)', 'DATE', 'TEXT', 'VARCHAR(20)'], '%(literal)s') # then the Oracle engine check_results(oracle.dialect(), ['NUMERIC(10, 2)', 'NUMERIC(12, 9)', 'DATE', 'CLOB', 'VARCHAR(20)'], ':literal') # then the sqlite engine check_results(sqlite.dialect(), ['NUMERIC(10, 2)', 'NUMERIC(12, 9)', 'DATE', 'TEXT', 'VARCHAR(20)'], '?') # MySQL seems to only support DATE types for cast self.assertEqual(str(cast(tbl.c.ts, Date).compile(dialect=mysql.dialect())), 'CAST(casttest.ts AS DATE)') self.assertEqual(str(cast(tbl.c.ts, Numeric).compile(dialect=mysql.dialect())), 'casttest.ts') def testdatebetween(self): import datetime table = Table('dt', metadata, Column('date', Date)) self.assert_compile(table.select(table.c.date.between(datetime.date(2006,6,1), datetime.date(2006,6,5))), "SELECT dt.date FROM dt WHERE dt.date BETWEEN :dt_date AND :dt_date_1", checkparams={'dt_date':datetime.date(2006,6,1), 'dt_date_1':datetime.date(2006,6,5)}) self.assert_compile(table.select(sql.between(table.c.date, datetime.date(2006,6,1), datetime.date(2006,6,5))), "SELECT dt.date FROM dt WHERE dt.date BETWEEN :literal AND :literal_1", checkparams={'literal':datetime.date(2006,6,1), 'literal_1':datetime.date(2006,6,5)}) def test_operator_precedence(self): table = Table('op', metadata, Column('field', Integer)) self.assert_compile(table.select((table.c.field == 5) == None), "SELECT op.field FROM op WHERE (op.field = :op_field) IS NULL") self.assert_compile(table.select((table.c.field + 5) == table.c.field), "SELECT op.field FROM op WHERE op.field + :op_field = op.field") self.assert_compile(table.select((table.c.field + 5) * 6), "SELECT op.field FROM op WHERE (op.field + :op_field) * :literal") self.assert_compile(table.select((table.c.field * 5) + 6), "SELECT op.field FROM op WHERE op.field * :op_field + :literal") self.assert_compile(table.select(5 + table.c.field.in_([5,6])), "SELECT op.field FROM op WHERE :literal + (op.field IN (:op_field, :op_field_1))") self.assert_compile(table.select((5 + table.c.field).in_([5,6])), "SELECT op.field FROM op WHERE :op_field + op.field IN (:literal, :literal_1)") self.assert_compile(table.select(not_(and_(table.c.field == 5, table.c.field == 7))), "SELECT op.field FROM op WHERE NOT (op.field = :op_field AND op.field = :op_field_1)") self.assert_compile(table.select(not_(table.c.field == 5)), "SELECT op.field FROM op WHERE op.field != :op_field") self.assert_compile(table.select(not_(table.c.field.between(5, 6))), "SELECT op.field FROM op WHERE NOT (op.field BETWEEN :op_field AND :op_field_1)") self.assert_compile(table.select(not_(table.c.field) == 5), "SELECT op.field FROM op WHERE (NOT op.field) = :literal") self.assert_compile(table.select((table.c.field == table.c.field).between(False, True)), "SELECT op.field FROM op WHERE (op.field = op.field) BETWEEN :literal AND :literal_1") self.assert_compile(table.select(between((table.c.field == table.c.field), False, True)), "SELECT op.field FROM op WHERE (op.field = op.field) BETWEEN :literal AND :literal_1") class CRUDTest(SQLCompileTest): def testinsert(self): # generic insert, will create bind params for all columns self.assert_compile(insert(table1), "INSERT INTO mytable (myid, name, description) VALUES (:myid, :name, :description)") # insert with user-supplied bind params for specific columns, # cols provided literally self.assert_compile( insert(table1, {table1.c.myid : bindparam('userid'), table1.c.name : bindparam('username')}), "INSERT INTO mytable (myid, name) VALUES (:userid, :username)") # insert with user-supplied bind params for specific columns, cols # provided as strings self.assert_compile( insert(table1, dict(myid = 3, name = 'jack')), "INSERT INTO mytable (myid, name) VALUES (:myid, :name)" ) # test with a tuple of params instead of named self.assert_compile( insert(table1, (3, 'jack', 'mydescription')), "INSERT INTO mytable (myid, name, description) VALUES (:myid, :name, :description)", checkparams = {'myid':3, 'name':'jack', 'description':'mydescription'} ) self.assert_compile( insert(table1, values={table1.c.myid : bindparam('userid')}).values({table1.c.name : bindparam('username')}), "INSERT INTO mytable (myid, name) VALUES (:userid, :username)" ) def testinlineinsert(self): metadata = MetaData() table = Table('sometable', metadata, Column('id', Integer, primary_key=True), Column('foo', Integer, default=func.foobar())) self.assert_compile(table.insert(values={}, inline=True), "INSERT INTO sometable (foo) VALUES (foobar())") self.assert_compile(table.insert(inline=True), "INSERT INTO sometable (foo) VALUES (foobar())", params={}) def testinsertexpression(self): self.assert_compile(insert(table1, values=dict(myid=func.lala())), "INSERT INTO mytable (myid) VALUES (lala())") def testupdate(self): self.assert_compile(update(table1, table1.c.myid == 7), "UPDATE mytable SET name=:name WHERE mytable.myid = :mytable_myid", params = {table1.c.name:'fred'}) self.assert_compile(update(table1, table1.c.myid == 7), "UPDATE mytable SET name=:name WHERE mytable.myid = :mytable_myid", params = {'name':'fred'}) self.assert_compile(update(table1, values = {table1.c.name : table1.c.myid}), "UPDATE mytable SET name=mytable.myid") self.assert_compile(update(table1, whereclause = table1.c.name == bindparam('crit'), values = {table1.c.name : 'hi'}), "UPDATE mytable SET name=:name WHERE mytable.name = :crit", params = {'crit' : 'notthere'}) self.assert_compile(update(table1, table1.c.myid == 12, values = {table1.c.name : table1.c.myid}), "UPDATE mytable SET name=mytable.myid, description=:description WHERE mytable.myid = :mytable_myid", params = {'description':'test'}) self.assert_compile(update(table1, table1.c.myid == 12, values = {table1.c.myid : 9}), "UPDATE mytable SET myid=:myid, description=:description WHERE mytable.myid = :mytable_myid", params = {'mytable_myid': 12, 'myid': 9, 'description': 'test'}) s = table1.update(table1.c.myid == 12, values = {table1.c.name : 'lala'}) c = s.compile(column_keys=['mytable_id', 'name']) self.assert_compile(update(table1, table1.c.myid == 12, values = {table1.c.name : table1.c.myid}).values({table1.c.name:table1.c.name + 'foo'}), "UPDATE mytable SET name=(mytable.name || :mytable_name), description=:description WHERE mytable.myid = :mytable_myid", params = {'description':'test'}) self.assert_(str(s) == str(c)) def testupdateexpression(self): self.assert_compile(update(table1, (table1.c.myid == func.hoho(4)) & (table1.c.name == literal('foo') + table1.c.name + literal('lala')), values = { table1.c.name : table1.c.name + "lala", table1.c.myid : func.do_stuff(table1.c.myid, literal('hoho')) }), "UPDATE mytable SET myid=do_stuff(mytable.myid, :literal), name=(mytable.name || :mytable_name) " "WHERE mytable.myid = hoho(:hoho) AND mytable.name = :literal_1 || mytable.name || :literal_2") def testcorrelatedupdate(self): # test against a straight text subquery u = update(table1, values = {table1.c.name : text("(select name from mytable where id=mytable.id)")}) self.assert_compile(u, "UPDATE mytable SET name=(select name from mytable where id=mytable.id)") mt = table1.alias() u = update(table1, values = {table1.c.name : select([mt.c.name], mt.c.myid==table1.c.myid)}) self.assert_compile(u, "UPDATE mytable SET name=(SELECT mytable_1.name FROM mytable AS mytable_1 WHERE mytable_1.myid = mytable.myid)") # test against a regular constructed subquery s = select([table2], table2.c.otherid == table1.c.myid) u = update(table1, table1.c.name == 'jack', values = {table1.c.name : s}) self.assert_compile(u, "UPDATE mytable SET name=(SELECT myothertable.otherid, myothertable.othername FROM myothertable WHERE myothertable.otherid = mytable.myid) WHERE mytable.name = :mytable_name") # test a non-correlated WHERE clause s = select([table2.c.othername], table2.c.otherid == 7) u = update(table1, table1.c.name==s) self.assert_compile(u, "UPDATE mytable SET myid=:myid, name=:name, description=:description WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = :myothertable_otherid)") # test one that is actually correlated... s = select([table2.c.othername], table2.c.otherid == table1.c.myid) u = table1.update(table1.c.name==s) self.assert_compile(u, "UPDATE mytable SET myid=:myid, name=:name, description=:description WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = mytable.myid)") def testdelete(self): self.assert_compile(delete(table1, table1.c.myid == 7), "DELETE FROM mytable WHERE mytable.myid = :mytable_myid") def testcorrelateddelete(self): # test a non-correlated WHERE clause s = select([table2.c.othername], table2.c.otherid == 7) u = delete(table1, table1.c.name==s) self.assert_compile(u, "DELETE FROM mytable WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = :myothertable_otherid)") # test one that is actually correlated... s = select([table2.c.othername], table2.c.otherid == table1.c.myid) u = table1.delete(table1.c.name==s) self.assert_compile(u, "DELETE FROM mytable WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = mytable.myid)") class InlineDefaultTest(SQLCompileTest): def test_insert(self): m = MetaData() foo = Table('foo', m, Column('id', Integer)) t = Table('test', m, Column('col1', Integer, default=func.foo(1)), Column('col2', Integer, default=select([func.coalesce(func.max(foo.c.id))])), ) self.assert_compile(t.insert(inline=True, values={}), "INSERT INTO test (col1, col2) VALUES (foo(:foo), (SELECT coalesce(max(foo.id)) FROM foo))") def test_update(self): m = MetaData() foo = Table('foo', m, Column('id', Integer)) t = Table('test', m, Column('col1', Integer, onupdate=func.foo(1)), Column('col2', Integer, onupdate=select([func.coalesce(func.max(foo.c.id))])), Column('col3', String(30)) ) self.assert_compile(t.update(inline=True, values={'col3':'foo'}), "UPDATE test SET col1=foo(:foo), col2=(SELECT coalesce(max(foo.id)) FROM foo), col3=:col3") class SchemaTest(SQLCompileTest): def testselect(self): # these tests will fail with the MS-SQL compiler since it will alias schema-qualified tables self.assert_compile(table4.select(), "SELECT remotetable.rem_id, remotetable.datatype_id, remotetable.value FROM remote_owner.remotetable") self.assert_compile(table4.select(and_(table4.c.datatype_id==7, table4.c.value=='hi')), "SELECT remotetable.rem_id, remotetable.datatype_id, remotetable.value FROM remote_owner.remotetable WHERE remotetable.datatype_id = :remotetable_datatype_id AND remotetable.value = :remotetable_value") s = table4.select(and_(table4.c.datatype_id==7, table4.c.value=='hi')) s.use_labels = True self.assert_compile(s, "SELECT remotetable.rem_id AS remotetable_rem_id, remotetable.datatype_id AS remotetable_datatype_id, remotetable.value AS remotetable_value FROM remote_owner.remotetable WHERE remotetable.datatype_id = :remotetable_datatype_id AND remotetable.value = :remotetable_value") def testalias(self): a = alias(table4, 'remtable') self.assert_compile(a.select(a.c.datatype_id==7), "SELECT remtable.rem_id, remtable.datatype_id, remtable.value FROM remote_owner.remotetable AS remtable WHERE remtable.datatype_id = :remtable_datatype_id") def testupdate(self): self.assert_compile(table4.update(table4.c.value=='test', values={table4.c.datatype_id:12}), "UPDATE remote_owner.remotetable SET datatype_id=:datatype_id WHERE remotetable.value = :remotetable_value") def testinsert(self): self.assert_compile(table4.insert(values=(2, 5, 'test')), "INSERT INTO remote_owner.remotetable (rem_id, datatype_id, value) VALUES (:rem_id, :datatype_id, :value)") if __name__ == "__main__": testbase.main()