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Summary: `PartialMergeMulti` implementation is enough for Cassandra, and `PartialMerge` is not required. Implementing both will just duplicate the code. As per https://github.com/facebook/rocksdb/blob/master/include/rocksdb/merge_operator.h#L130-L135 : ``` // The default implementation of PartialMergeMulti will use this function // as a helper, for backward compatibility. Any successor class of // MergeOperator should either implement PartialMerge or PartialMergeMulti, // although implementing PartialMergeMulti is suggested as it is in general // more effective to merge multiple operands at a time instead of two // operands at a time. ``` Closes https://github.com/facebook/rocksdb/pull/2737 Reviewed By: scv119 Differential Revision: D5633073 Pulled By: sagar0 fbshipit-source-id: ef4fa102c22fec6a0175ed12f5c44c15afe3c8ca |
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.. | ||
backupable | ||
blob_db | ||
cassandra | ||
checkpoint | ||
compaction_filters | ||
convenience | ||
date_tiered | ||
document | ||
geodb | ||
leveldb_options | ||
lua | ||
memory | ||
merge_operators | ||
option_change_migration | ||
options | ||
persistent_cache | ||
redis | ||
simulator_cache | ||
spatialdb | ||
table_properties_collectors | ||
transactions | ||
ttl | ||
write_batch_with_index | ||
col_buf_decoder.cc | ||
col_buf_decoder.h | ||
col_buf_encoder.cc | ||
col_buf_encoder.h | ||
column_aware_encoding_exp.cc | ||
column_aware_encoding_test.cc | ||
column_aware_encoding_util.cc | ||
column_aware_encoding_util.h | ||
debug.cc | ||
env_librados.cc | ||
env_librados.md | ||
env_librados_test.cc | ||
env_mirror.cc | ||
env_mirror_test.cc | ||
env_timed.cc | ||
env_timed_test.cc | ||
merge_operators.h | ||
object_registry_test.cc | ||
util_merge_operators_test.cc |