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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_cursor10.py
+# Cursors with projections.
+class test_cursor04(wttest.WiredTigerTestCase):
+ """
+ Test cursor search and search_near
+ """
+ table_name1 = 'test_cursor04'
+ nentries = 20
+
+ scenarios = make_scenarios([
+ ('row', dict(key_format='S', uri='table')),
+ ('col', dict(key_format='r', uri='table'))
+ ])
+
+ def genkey(self, i):
+ if self.key_format == 'S':
+ return 'key' + str(i).zfill(5) # return key00001, key00002, etc.
+ else:
+ return long(i+1)
+
+ def genvalue(self, i):
+ return [ 'v0:' + str(i), i+1, 'v2' + str(i+2), i+3 ]
+
+ def extractkey(self, k):
+ if self.key_format == 'S':
+ return int(k[3:])
+ else:
+ return long(k-1)
+
+ def test_projection(self):
+ """
+ Create entries, and read back in a regular and projected cursor
+ """
+ tablearg = self.uri + ":" + self.table_name1
+ create_args = 'columns=(k,v0,v1,v2,v3),value_format=SiSi,key_format=' \
+ + self.key_format
+ self.session.create(tablearg, create_args)
+
+ cursor = self.session.open_cursor(tablearg, None, None)
+ for i in range(0, self.nentries):
+ cursor.set_key(self.genkey(i))
+ values = self.genvalue(i)
+ cursor.set_value(*values)
+ cursor.insert()
+ cursor.close()
+ cursor = self.session.open_cursor(tablearg, None, None)
+ count = 0
+ for k,v0,v1,v2,v3 in cursor:
+ i = self.extractkey(k)
+ self.assertEqual(self.genkey(i), k)
+ self.assertEqual(self.genvalue(i), [v0,v1,v2,v3])
+ count += 1
+ self.assertEqual(count, self.nentries)
+ cursor.close()
+ cursor = self.session.open_cursor(tablearg + '(v3,v2,v1,v0,k)',\
+ None, None)
+ count = 0
+ for k1,v3,v2,v1,v0,k2 in cursor:
+ self.assertEqual(k1, k2)
+ i = self.extractkey(k1)
+ self.assertEqual(self.genkey(i), k1)
+ self.assertEqual(self.genvalue(i), [v0,v1,v2,v3])
+ count += 1
+ self.assertEqual(count, self.nentries)
+ cursor.close()
+
+ def test_index_projection(self):
+ """
+ Create entries, and read back in an index cursor with a projection
+ """
+ tablearg = self.uri + ":" + self.table_name1
+ indexarg = 'index:' + self.table_name1 + ':index1'
+ create_args = 'columns=(k,v0,v1,v2,v3),value_format=SiSi,key_format=' \
+ + self.key_format
+ self.session.create(tablearg, create_args)
+ self.session.create(indexarg, 'columns=(v0,v2,v1,v3)')
+ cursor = self.session.open_cursor(tablearg, None, None)
+ for i in range(0, self.nentries):
+ cursor.set_key(self.genkey(i))
+ values = self.genvalue(i)
+ cursor.set_value(*values)
+ cursor.insert()
+ cursor.close()
+ cursor = self.session.open_cursor(tablearg + '(v3,v2,v1,v0,k)',\
+ None, None)
+ count = 0
+ for k1,v3,v2,v1,v0,k2 in cursor:
+ self.assertEqual(k1, k2)
+ i = self.extractkey(k1)
+ self.assertEqual(self.genkey(i), k1)
+ self.assertEqual(self.genvalue(i), [v0,v1,v2,v3])
+ count += 1
+ self.assertEqual(count, self.nentries)
+ cursor.close()
+if __name__ == '__main__':
+ wttest.run()