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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 wiredtiger, wttest
from wtscenario import make_scenarios
# test_schema06.py
# Repeatedly create and drop indices
class test_schema06(wttest.WiredTigerTestCase):
"""
Test basic operations
"""
nentries = 1000
scenarios = make_scenarios([
('normal', { 'idx_config' : '' }),
('lsm', { 'idx_config' : ',type=lsm' }),
])
def flip(self, inum, val):
"""
Defines a unique transformation of values for each index number.
We reverse digits so the generated values are not perfectly ordered.
"""
newval = str((inum + 1) * val)
return newval[::-1] # reversed digits
def unflip(self, inum, flipped):
"""
The inverse of flip.
"""
newval = flipped[::-1]
return int(newval)/(inum + 1)
def create_index(self, inum):
colname = "s" + str(inum)
self.session.create("index:schema06:" + colname,
"columns=(" + colname + ")" + self.idx_config)
def drop_index(inum):
colname = "s" + str(inum)
self.session.drop("index:main:" + colname, None)
def test_index_stress(self):
self.session.create("table:schema06",
"key_format=S,value_format=SSSSSS," +
"columns=(key,s0,s1,s2,s3,s4,s5),colgroups=(c1,c2)")
self.create_index(0)
self.session.create("colgroup:schema06:c1", "columns=(s0,s1,s4)")
self.create_index(1)
self.session.create("colgroup:schema06:c2", "columns=(s2,s3,s5)")
cursor = self.session.open_cursor('table:schema06', None, None)
for i in range(0, self.nentries):
cursor.set_key(self.flip(0, i))
values = [self.flip(inum, i) for inum in range(6)]
cursor.set_value(values[0],values[1],values[2],
values[3],values[4],values[5])
cursor.insert()
cursor.close()
def check_entries(self, check_indices):
cursor = self.session.open_cursor('table:main', None, None)
# spot check via search
n = self.nentries
for i in (n / 5, 0, n - 1, n - 2, 1):
cursor.set_key(i, 'key' + str(i))
square = i * i
cube = square * i
cursor.search()
(s1, i2, s3, i4) = cursor.get_values()
self.assertEqual(s1, 'val' + str(square))
self.assertEqual(i2, square)
self.assertEqual(s3, 'val' + str(cube))
self.assertEqual(i4, cube)
count = 0
# then check all via cursor
cursor.reset()
for ikey, skey, s1, i2, s3, i4 in cursor:
i = ikey
square = i * i
cube = square * i
self.assertEqual(ikey, i)
self.assertEqual(skey, 'key' + str(i))
self.assertEqual(s1, 'val' + str(square))
self.assertEqual(i2, square)
self.assertEqual(s3, 'val' + str(cube))
self.assertEqual(i4, cube)
count += 1
cursor.close()
self.assertEqual(count, n)
if check_indices:
# we check an index that was created before populating
cursor = self.session.open_cursor('index:main:S1i4', None, None)
count = 0
for s1key, i4key, s1, i2, s3, i4 in cursor:
i = int(i4key ** (1 / 3.0) + 0.0001) # cuberoot
self.assertEqual(s1key, s1)
self.assertEqual(i4key, i4)
ikey = i
skey = 'key' + str(i)
square = i * i
cube = square * i
self.assertEqual(ikey, i)
self.assertEqual(skey, 'key' + str(i))
self.assertEqual(s1, 'val' + str(square))
self.assertEqual(i2, square)
self.assertEqual(s3, 'val' + str(cube))
self.assertEqual(i4, cube)
count += 1
cursor.close()
self.assertEqual(count, n)
# we check an index that was created after populating
cursor = self.session.open_cursor('index:main:i2S1i4', None, None)
count = 0
for i2key, s1key, i4key, s1, i2, s3, i4 in cursor:
i = int(i4key ** (1 / 3.0) + 0.0001) # cuberoot
self.assertEqual(i2key, i2)
self.assertEqual(s1key, s1)
self.assertEqual(i4key, i4)
ikey = i
skey = 'key' + str(i)
square = i * i
cube = square * i
self.assertEqual(ikey, i)
self.assertEqual(skey, 'key' + str(i))
self.assertEqual(s1, 'val' + str(square))
self.assertEqual(i2, square)
self.assertEqual(s3, 'val' + str(cube))
self.assertEqual(i4, cube)
count += 1
cursor.close()
self.assertEqual(count, n)
if __name__ == '__main__':
wttest.run()
|
