128 lines
4.7 KiB
Python
128 lines
4.7 KiB
Python
#!/usr/bin/env python
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#
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# Public Domain 2014-2016 MongoDB, Inc.
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# Public Domain 2008-2014 WiredTiger, Inc.
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#
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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import os
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import wiredtiger, wttest, run
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from wtscenario import check_scenarios, number_scenarios
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# test_schema04.py
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# Test indices with duplicates
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class test_schema04(wttest.WiredTigerTestCase):
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"""
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Test indices with duplicates.
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Our set of rows looks like a multiplication table:
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row 0: [ 0, 0, 0, 0, 0, 0 ]
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row 1: [ 0, 1, 2, 3, 4, 5 ]
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row 2: [ 0, 2, 4, 6, 8, 10 ]
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with the twist that entries are mod 100. So, looking further:
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row 31: [ 0, 31, 62, 93, 24, 55 ]
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Each column is placed into its own index. The mod twist,
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as well as the 0th column, guarantees we'll have some duplicates.
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"""
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nentries = 100
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scenarios = number_scenarios([
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('index-before', { 'create_index' : 0 }),
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('index-during', { 'create_index' : 1 }),
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('index-after', { 'create_index' : 2 }),
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])
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def create_indices(self):
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# Create 6 index files, each with a column from the main table
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for i in range(0, 6):
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self.session.create("index:schema04:x" + str(i),
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"key_format=i,columns=(v" + str(i) + "),")
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# We split the population into two phases
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# (in anticipation of future tests that create
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# indices between the two population steps).
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def populate(self, phase):
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cursor = self.session.open_cursor('table:schema04', None, None)
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if phase == 0:
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range_from = 0
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range_to = self.nentries / 2
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else:
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range_from = self.nentries / 2
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range_to = self.nentries
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for i in range(range_from, range_to):
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# e.g. element 31 is '0,31,62,93,24,55'
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cursor.set_key(i)
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cursor.set_value(
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(i*0)%100, (i*1)%100, (i*2)%100,
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(i*3)%100, (i*4)%100, (i*5)%100)
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cursor.insert()
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cursor.close()
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def check_entries(self):
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cursor = self.session.open_cursor('table:schema04', None, None)
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icursor = []
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for i in range(0, 6):
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icursor.append(self.session.open_cursor('index:schema04:x' + str(i),
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None, None))
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i = 0
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for kv in cursor:
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# Check main table
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expect = [(i*j)%100 for j in range(0, 6)]
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primkey = kv.pop(0)
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self.assertEqual(i, primkey)
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self.assertEqual(kv, expect)
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for j in range(0, 6):
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self.assertEqual((i*j)%100, kv[j])
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for idx in range(0, 6):
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c = icursor[idx]
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indexkey = (i*idx)%100
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c.set_key(indexkey)
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self.assertEqual(c.search(), 0)
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value = c.get_value()
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while value != expect and value[idx] == expect[idx]:
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c.next()
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value = c.get_value()
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self.assertEqual(value, expect)
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i += 1
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self.assertEqual(self.nentries, i)
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def test_index(self):
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self.session.create("table:schema04",
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"key_format=i,value_format=iiiiii,"
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"columns=(primarykey,v0,v1,v2,v3,v4,v5)")
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if self.create_index == 0:
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self.create_indices()
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self.populate(0)
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if self.create_index == 1:
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self.create_indices()
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self.populate(1)
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if self.create_index == 2:
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self.create_indices()
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self.check_entries()
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if __name__ == '__main__':
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wttest.run()
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