2a66e20ca3
Add support for Column Families in a runtime safe way. Add unittests to test functionality Insure all unittests are passing. Cleaned up unittests to not use a fixed directory in tmp, but use tempfile
23 lines
723 B
Python
23 lines
723 B
Python
import struct as py_struct
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from rocksdb.interfaces import AssociativeMergeOperator
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class UintAddOperator(AssociativeMergeOperator):
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def merge(self, key, existing_value, value):
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if existing_value:
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s = py_struct.unpack('Q', existing_value)[0] + py_struct.unpack('Q', value)[0]
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return (True, py_struct.pack('Q', s))
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return (True, value)
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def name(self):
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return b'uint64add'
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class StringAppendOperator(AssociativeMergeOperator):
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def merge(self, key, existing_value, value):
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if existing_value:
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s = existing_value + b',' + value
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return (True, s)
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return (True, value)
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def name(self):
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return b'StringAppendOperator'
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