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test_joins_conditional.py
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test_joins_conditional.py
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from
sqlobject
import
SQLObject
,
StringCol
from
sqlobject
.
sqlbuilder
import
JOIN
,
LEFTJOIN
,
LEFTJOINConditional
, \
LEFTJOINOn
,
LEFTJOINUsing
from
sqlobject
.
tests
.
dbtest
import
getConnection
,
setupClass
########################################
# Condiotional joins
########################################
class
SOTestJoin1
(
SQLObject
):
col1
=
StringCol
()
class
SOTestJoin2
(
SQLObject
):
col2
=
StringCol
()
class
SOTestJoin3
(
SQLObject
):
col3
=
StringCol
()
class
SOTestJoin4
(
SQLObject
):
col4
=
StringCol
()
class
SOTestJoin5
(
SQLObject
):
col5
=
StringCol
()
def
setup
():
setupClass
(
SOTestJoin1
)
setupClass
(
SOTestJoin2
)
def
test_1syntax
():
setup
()
join
=
JOIN
(
"table1"
,
"table2"
)
assert
str
(
join
)
==
"table1 JOIN table2"
join
=
LEFTJOIN
(
"table1"
,
"table2"
)
assert
str
(
join
)
==
"table1 LEFT JOIN table2"
join
=
LEFTJOINOn
(
"table1"
,
"table2"
,
"tabl1.col1 = table2.col2"
)
assert
getConnection
().
sqlrepr
(
join
)
==
\
"table1 LEFT JOIN table2 ON tabl1.col1 = table2.col2"
def
test_2select_syntax
():
setup
()
select
=
SOTestJoin1
.
select
(
join
=
LEFTJOINConditional
(
SOTestJoin1
,
SOTestJoin2
,
on_condition
=
(
SOTestJoin1
.
q
.
col1
==
SOTestJoin2
.
q
.
col2
))
)
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1 "
\
"LEFT JOIN so_test_join2 "
\
"ON ((so_test_join1.col1) = (so_test_join2.col2)) WHERE 1 = 1"
def
test_3perform_join
():
setup
()
SOTestJoin1
(
col1
=
"test1"
)
SOTestJoin1
(
col1
=
"test2"
)
SOTestJoin1
(
col1
=
"test3"
)
SOTestJoin2
(
col2
=
"test1"
)
SOTestJoin2
(
col2
=
"test2"
)
select
=
SOTestJoin1
.
select
(
join
=
LEFTJOINOn
(
SOTestJoin1
,
SOTestJoin2
,
SOTestJoin1
.
q
.
col1
==
SOTestJoin2
.
q
.
col2
)
)
assert
select
.
count
()
==
3
def
test_4join_3tables_syntax
():
setup
()
setupClass
(
SOTestJoin3
)
select
=
SOTestJoin1
.
select
(
join
=
LEFTJOIN
(
SOTestJoin2
,
SOTestJoin3
)
)
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1, so_test_join2 LEFT JOIN so_test_join3 WHERE 1 = 1"
def
test_5join_3tables_syntax2
():
setup
()
setupClass
(
SOTestJoin3
)
select
=
SOTestJoin1
.
select
(
join
=
(
LEFTJOIN
(
None
,
SOTestJoin2
),
LEFTJOIN
(
None
,
SOTestJoin3
))
)
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1 "
\
"LEFT JOIN so_test_join2 LEFT JOIN so_test_join3 WHERE 1 = 1"
select
=
SOTestJoin1
.
select
(
join
=
(
LEFTJOIN
(
SOTestJoin1
,
SOTestJoin2
),
LEFTJOIN
(
SOTestJoin1
,
SOTestJoin3
))
)
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1 "
\
"LEFT JOIN so_test_join2, so_test_join1 "
\
"LEFT JOIN so_test_join3 WHERE 1 = 1"
def
test_6join_using
():
setup
()
setupClass
(
SOTestJoin3
)
select
=
SOTestJoin1
.
select
(
join
=
LEFTJOINUsing
(
None
,
SOTestJoin2
, [
SOTestJoin2
.
q
.
id
])
)
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1 "
\
"LEFT JOIN so_test_join2 USING (so_test_join2.id) WHERE 1 = 1"
def
test_7join_on
():
setup
()
setupClass
(
SOTestJoin3
)
setupClass
(
SOTestJoin4
)
setupClass
(
SOTestJoin5
)
select
=
SOTestJoin1
.
select
(
join
=
(
LEFTJOINOn
(
SOTestJoin2
,
SOTestJoin3
,
SOTestJoin2
.
q
.
col2
==
SOTestJoin3
.
q
.
col3
),
LEFTJOINOn
(
SOTestJoin4
,
SOTestJoin5
,
SOTestJoin4
.
q
.
col4
==
SOTestJoin5
.
q
.
col5
)
))
assert
str
(
select
)
==
\
"SELECT so_test_join1.id, so_test_join1.col1 "
\
"FROM so_test_join1, so_test_join2 "
\
"LEFT JOIN so_test_join3 "
\
"ON ((so_test_join2.col2) = (so_test_join3.col3)), so_test_join4 "
\
"LEFT JOIN so_test_join5 "
\
"ON ((so_test_join4.col4) = (so_test_join5.col5)) WHERE 1 = 1"
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