本文整理汇总了Python中upscaledb.cursor函数的典型用法代码示例。如果您正苦于以下问题：Python cursor函数的具体用法？Python cursor怎么用？Python cursor使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了cursor函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testMoveToNegative
def testMoveToNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
try:
c = upscaledb.cursor()
except TypeError:
pass
try:
c = upscaledb.cursor("blah")
except TypeError:
pass
try:
c = upscaledb.cursor(db)
c.move_to(upscaledb.UPS_CURSOR_FIRST)
except upscaledb.error, (errno, string):
assert upscaledb.UPS_KEY_NOT_FOUND == errno示例2: testGetDuplicateCountNegative
def testGetDuplicateCountNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1, upscaledb.UPS_ENABLE_DUPLICATE_KEYS)
c = upscaledb.cursor(db)
try:
c.get_duplicate_count()
except upscaledb.error, (errno, string):
assert upscaledb.UPS_CURSOR_IS_NIL == errno示例3: testClone
def testClone(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
clone = c.clone()
c.close()
clone.close()
db.close()示例4: testGetOverwrite
def testGetOverwrite(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
try:
c.overwrite("asdf")
except upscaledb.error, (errno, string):
assert upscaledb.UPS_CURSOR_IS_NIL == errno示例5: testGetRecordNegative
def testGetRecordNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
try:
c.get_record()
except upscaledb.error, (errno, string):
assert upscaledb.UPS_CURSOR_IS_NIL == errno示例6: testCloneNegative
def testCloneNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
try:
clone = c.clone(13)
except TypeError:
pass
c.close()
db.close()
env.close()示例7: testFindNegative
def testFindNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
db.insert(None, "key1", "value1")
db.insert(None, "key2", "value2")
db.insert(None, "key3", "value3")
c = upscaledb.cursor(db)
try:
c.find("key4")
except upscaledb.error, (errno, string):
assert upscaledb.UPS_KEY_NOT_FOUND == errno示例8: testErase
def testErase(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
c.insert("key1", "value1")
assert "key1" == c.get_key()
assert "value1" == c.get_record()
c.erase()
try:
c.find("key1")
except upscaledb.error, (errno, string):
assert upscaledb.UPS_KEY_NOT_FOUND == errno示例9: testMoveTo
def testMoveTo(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
db.insert(None, "key1", "value1")
db.insert(None, "key2", "value2")
db.insert(None, "key3", "value3")
c = upscaledb.cursor(db)
c.move_to(upscaledb.UPS_CURSOR_FIRST)
c.move_to(upscaledb.UPS_CURSOR_NEXT)
c.move_to(upscaledb.UPS_CURSOR_LAST)
c.close()
db.close()
env.close()示例10: testCursor
def testCursor(self):
env = upscaledb.env()
env.create("test.db", upscaledb.UPS_ENABLE_TRANSACTIONS)
db = env.create_db(1)
txn = upscaledb.txn(env)
c = upscaledb.cursor(db, txn)
c.insert("key1", "value1")
c.insert("key2", "value2")
c.insert("key3", "value3")
c.find("key1")
c.erase()
try:
c.find("key2")
except upscaledb.error, (errno, strerror):
assert upscaledb.UPS_KEY_NOT_FOUND == errno示例11: testGetRecord
def testGetRecord(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
db.insert(None, "key1", "value1")
db.insert(None, "key2", "value2")
db.insert(None, "key3", "value3")
c = upscaledb.cursor(db)
c.move_to(upscaledb.UPS_CURSOR_FIRST)
assert "value1" == c.get_record()
c.move_to(upscaledb.UPS_CURSOR_NEXT)
assert "value2" == c.get_record()
c.move_to(upscaledb.UPS_CURSOR_LAST)
assert "value3" == c.get_record()
c.close()
db.close()
env.close()示例12: testInsert
def testInsert(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
c.insert("key1", "value1")
assert "key1" == c.get_key()
assert "value1" == c.get_record()
c.insert("key3", "value3")
assert "key3" == c.get_key()
assert "value3" == c.get_record()
c.insert("key2", "value2")
assert "key2" == c.get_key()
assert "value2" == c.get_record()
c.close()
db.close()
env.close()示例13: testInsertRecno
def testInsertRecno(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1, upscaledb.UPS_RECORD_NUMBER32)
c = upscaledb.cursor(db)
c.insert(1, "value1")
assert 1 == c.get_key()
assert "value1" == c.get_record()
c.insert(2, "value2")
c.insert(3, "value3")
try:
c.insert("1", "blah")
except TypeError:
pass
c.close()
db.close()
env.close()示例14: testGetDuplicateCount
def testGetDuplicateCount(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1, upscaledb.UPS_ENABLE_DUPLICATE_KEYS)
c = upscaledb.cursor(db)
c.insert("key1", "value1")
assert 1 == c.get_duplicate_count()
c.insert("key1", "value2", upscaledb.UPS_DUPLICATE)
assert 2 == c.get_duplicate_count()
c.insert("key1", "value3", upscaledb.UPS_DUPLICATE)
assert 3 == c.get_duplicate_count()
c.erase()
c.move_to(upscaledb.UPS_CURSOR_FIRST)
assert 2 == c.get_duplicate_count()
c.close()
db.close()
env.close()示例15: testEraseNegative
def testEraseNegative(self):
env = upscaledb.env()
env.create("test.db")
db = env.create_db(1)
c = upscaledb.cursor(db)
try:
c.erase(3)
except TypeError:
pass
try:
c.erase("a", "key2", "value2")
except TypeError:
pass
try:
c.erase()
except upscaledb.error, (errno, string):
assert upscaledb.UPS_CURSOR_IS_NIL == errno