def UpdateEventPersistenceCheckpoint(self, requestId, indexValues, serializedResponse):
insertStatement = PostgresStatement.InsertCheckpoint.format(self.tableNames.eventPersistenceStagingTableName)
self.ExecuteSingle(insertStatement, requestId, Json(indexValues), psycopg2.Binary(serializedResponse))
python类Binary()的实例源码
def blobEncode(self, blob):
try:
from psycopg2 import Binary
except ImportError:
from psycopg import Binary
return Binary(blob)
def testBinary(self):
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, str(buf))
else:
s = bytes(list(range(256)))
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, buf.tobytes())
def testBinaryNone(self):
b = psycopg2.Binary(None)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(buf, None)
def testBinaryEmptyString(self):
# test to make sure an empty Binary is converted to an empty string
if sys.version_info[0] < 3:
b = psycopg2.Binary('')
self.assertEqual(str(b), "''::bytea")
else:
b = psycopg2.Binary(bytes([]))
self.assertEqual(str(b), "''::bytea")
def testBinaryRoundTrip(self):
# test to make sure buffers returned by psycopg2 are
# understood by execute:
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, str(buf2))
else:
s = bytes(list(range(256)))
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, buf2.tobytes())
def testByteaHexCheckFalsePositive(self):
# the check \x -> x to detect bad bytea decode
# may be fooled if the first char is really an 'x'
o1 = psycopg2.Binary(b'x')
o2 = self.execute("SELECT %s::bytea AS foo", (o1,))
self.assertEqual(b'x', o2[0])
def testBinary(self):
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, str(buf))
else:
s = bytes(range(256))
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, buf.tobytes())
def testBinaryNone(self):
b = psycopg2.Binary(None)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(buf, None)
def testBinaryEmptyString(self):
# test to make sure an empty Binary is converted to an empty string
if sys.version_info[0] < 3:
b = psycopg2.Binary('')
self.assertEqual(str(b), "''::bytea")
else:
b = psycopg2.Binary(bytes([]))
self.assertEqual(str(b), "''::bytea")
def testBinaryRoundTrip(self):
# test to make sure buffers returned by psycopg2 are
# understood by execute:
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, str(buf2))
else:
s = bytes(range(256))
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, buf2.tobytes())
def testByteaHexCheckFalsePositive(self):
# the check \x -> x to detect bad bytea decode
# may be fooled if the first char is really an 'x'
o1 = psycopg2.Binary(b('x'))
o2 = self.execute("SELECT %s::bytea AS foo", (o1,))
self.assertEqual(b('x'), o2[0])
def testBinary(self):
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, str(buf))
else:
s = bytes(range(256))
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, buf.tobytes())
def testBinaryNone(self):
b = psycopg2.Binary(None)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(buf, None)
def testBinaryEmptyString(self):
# test to make sure an empty Binary is converted to an empty string
if sys.version_info[0] < 3:
b = psycopg2.Binary('')
self.assertEqual(str(b), "''::bytea")
else:
b = psycopg2.Binary(bytes([]))
self.assertEqual(str(b), "''::bytea")
def testBinaryRoundTrip(self):
# test to make sure buffers returned by psycopg2 are
# understood by execute:
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, str(buf2))
else:
s = bytes(range(256))
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
self.assertEqual(s, buf2.tobytes())
def testByteaHexCheckFalsePositive(self):
# the check \x -> x to detect bad bytea decode
# may be fooled if the first char is really an 'x'
o1 = psycopg2.Binary(b('x'))
o2 = self.execute("SELECT %s::bytea AS foo", (o1,))
self.assertEqual(b('x'), o2[0])
def testBinary(self):
if sys.version_info[0] < 3:
s = ''.join([chr(x) for x in range(256)])
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, str(buf))
else:
s = bytes(range(256))
b = psycopg2.Binary(s)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(s, buf.tobytes())
def testBinaryNone(self):
b = psycopg2.Binary(None)
buf = self.execute("SELECT %s::bytea AS foo", (b,))
self.assertEqual(buf, None)
def testBinaryEmptyString(self):
# test to make sure an empty Binary is converted to an empty string
if sys.version_info[0] < 3:
b = psycopg2.Binary('')
self.assertEqual(str(b), "''::bytea")
else:
b = psycopg2.Binary(bytes([]))
self.assertEqual(str(b), "''::bytea")
