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#!/usr/bin/env python
#
# Public Domain 2014-2016 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import os
import wiredtiger, wttest, run
# test_join04.py
# Join operations
# Joins with a custom extractor, using equality joins
class test_join04(wttest.WiredTigerTestCase):
table_name1 = 'test_join04'
nentries = 100
# Return the wiredtiger_open extension argument for a shared library.
def extensionArg(self, exts):
extfiles = []
for ext in exts:
(dirname, name, libname) = ext
if name != None and name != 'none':
testdir = os.path.dirname(__file__)
extdir = os.path.join(run.wt_builddir, 'ext', dirname)
extfile = os.path.join(
extdir, name, '.libs', 'libwiredtiger_' + libname + '.so')
if not os.path.exists(extfile):
self.skipTest('extension "' + extfile + '" not built')
if not extfile in extfiles:
extfiles.append(extfile)
if len(extfiles) == 0:
return ''
else:
return ',extensions=["' + '","'.join(extfiles) + '"]'
# Override WiredTigerTestCase, we have extensions.
def setUpConnectionOpen(self, dir):
extarg = self.extensionArg([('extractors', 'csv', 'csv_extractor')])
connarg = 'create,error_prefix="{0}: ",{1}'.format(
self.shortid(), extarg)
conn = self.wiredtiger_open(dir, connarg)
self.pr(`conn`)
return conn
# JIRA WT-2308:
# Test extractors with equality joins
def test_join_extractor(self):
self.session.create('table:join04',
'key_format=i,value_format=S,columns=(k,v)')
self.session.create('index:join04:index1',
'key_format=i,extractor=csv,' +
'app_metadata={"format" : "i", "field" : "0"}')
self.session.create('index:join04:index2',
'key_format=i,extractor=csv,' +
'app_metadata={"format" : "i", "field" : "1"}')
cursor1 = self.session.open_cursor('table:join04', None, None)
cursor1[1] = '10,21'
cursor1[2] = '10,22'
cursor1.close()
cursor1 = self.session.open_cursor('index:join04:index1', None, None)
cursor1.set_key(10)
cursor1.search()
cursor2 = self.session.open_cursor('index:join04:index2', None, None)
cursor2.set_key(22)
cursor2.search()
jcursor = self.session.open_cursor('join:table:join04', None, None)
self.session.join(jcursor, cursor1, 'compare=eq')
self.session.join(jcursor, cursor2, 'compare=eq')
found = 0
while jcursor.next() == 0:
[k] = jcursor.get_keys()
[v] = jcursor.get_values()
self.assertEqual(k, 2)
self.assertEqual(v, '10,22')
found += 1
self.assertEqual(found, 1)
jcursor.close()
cursor1.close()
cursor2.close()
# More tests using extractors with equality joins
def test_join_extractor_more(self):
self.session.create('table:join04',
'key_format=i,value_format=S,columns=(k,v)')
self.session.create('index:join04:index1',
'key_format=i,extractor=csv,' +
'app_metadata={"format" : "i", "field" : "0"}')
self.session.create('index:join04:index2',
'key_format=i,extractor=csv,' +
'app_metadata={"format" : "i", "field" : "1"}')
self.session.create('index:join04:index3',
'key_format=i,extractor=csv,' +
'app_metadata={"format" : "i", "field" : "2"}')
jcursor = self.session.open_cursor('join:table:join04', None, None)
cursor1 = self.session.open_cursor('table:join04', None, None)
k = 1
for v in ['10,21,30','10,22,30','10,23,30',
'11,21,30','11,22,30','11,23,30',
'10,21,31','10,22,31','10,23,31',
'10,21,30','11,22,31','12,23,32']:
cursor1[k] = v
k += 1
cursor1.close()
# A list of tests, one per line, each entry is:
# [[list of inputs], [list of outputs]]
tests = [
[[10,22,30], ['10,22,30']],
[[10,21,30], ['10,21,30','10,21,30']],
[[11], ['11,21,30','11,22,30','11,23,30','11,22,31']],
[[None,22], ['10,22,30','11,22,30','10,22,31','11,22,31']]]
for t in tests:
jcursor = self.session.open_cursor('join:table:join04', None, None)
ins = t[0]
outs = t[1]
cursors = []
n = 0
for k in ins:
n += 1
if k == None: continue
uri = 'index:join04:index' + str(n)
c = self.session.open_cursor(uri, None, None)
c.set_key(k)
self.assertEqual(c.search(), 0)
cursors.append(c)
self.session.join(jcursor, c, 'compare=eq')
while jcursor.next() == 0:
[k] = jcursor.get_keys()
[v] = jcursor.get_values()
#self.tty('got=' + str(v) + ' at key=' + str(k))
self.assertTrue(v in outs)
outs.remove(v)
self.assertEqual(len(outs), 0)
jcursor.close()
for c in cursors:
c.close()
if __name__ == '__main__':
wttest.run()
|
