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Eugene Shen
erp5
Commits
7655945f
Commit
7655945f
authored
Oct 29, 2014
by
Kazuhiko Shiozaki
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full text: merge several full text AND queries into one.
parent
eb8aa0ef
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product/ZSQLCatalog/SearchKey/MroongaFullTextKey.py
product/ZSQLCatalog/SearchKey/MroongaFullTextKey.py
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product/ZSQLCatalog/SearchKey/MroongaFullTextKey.py
View file @
7655945f
...
...
@@ -27,10 +27,39 @@
##############################################################################
from
DefaultKey
import
DefaultKey
from
Products.ZSQLCatalog.Query.SimpleQuery
import
SimpleQuery
from
Products.ZSQLCatalog.interfaces.search_key
import
ISearchKey
from
zope.interface.verify
import
verifyClass
class
MroongaFullTextKey
(
DefaultKey
):
default_comparison_operator
=
'mroonga'
def
_buildQuery
(
self
,
operator_value_dict
,
logical_operator
,
parsed
,
group
):
"""
Special Query builder for FullText queries: merge all values having the
same operator into just one query, to save SQL server from the burden to
do multiple fulltext lookups when one would suit the purpose.
"""
print
'_buildQuery: %r, %r, %r, %r'
%
(
operator_value_dict
,
logical_operator
,
parsed
,
group
)
column
=
self
.
getColumn
()
query_list
=
[]
append
=
query_list
.
append
def
escape
(
x
):
return
(
not
parsed
and
'"%s"'
%
x
.
replace
(
'"'
,
'
\
\
\
\
"'
)
or
x
).
replace
(
'('
,
'
\
\
\
\
('
).
replace
(
')'
,
'
\
\
\
\
)'
)
for
comparison_operator
,
value_list
in
operator_value_dict
.
iteritems
():
if
logical_operator
==
'and'
:
joined_value
=
' '
.
join
(
escape
(
value
)
for
value
in
value_list
)
append
(
SimpleQuery
(
search_key
=
self
,
comparison_operator
=
comparison_operator
,
group
=
group
,
**
{
column
:
joined_value
}))
else
:
# TODO : We can join to one query like 'aaa OR (bbb ccc) OR "ddd eee"'.
for
value
in
value_list
:
append
(
SimpleQuery
(
search_key
=
self
,
comparison_operator
=
comparison_operator
,
group
=
group
,
**
{
column
:
escape
(
value
)}))
return
query_list
verifyClass
(
ISearchKey
,
MroongaFullTextKey
)
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