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fdc4779235
Storage engine independent support for column compression. TINYBLOB, BLOB, MEDIUMBLOB, LONGBLOB, TINYTEXT, TEXT, MEDIUMTEXT, LONGTEXT, VARCHAR and VARBINARY columns can be compressed. New COMPRESSED column attribute added: COMPRESSED[=<compression_method>] System variables added: column_compression_threshold column_compression_zlib_level column_compression_zlib_strategy column_compression_zlib_wrap Status variables added: Column_compressions Column_decompressions Limitations: - the only supported method currently is zlib - CSV storage engine stores data uncompressed on-disk even if COMPRESSED attribute is present - it is not possible to create indexes over compressed columns. |
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.. | ||
examples | ||
client_settings.h | ||
CMakeLists.txt | ||
emb_qcache.cc | ||
emb_qcache.h | ||
embedded_priv.h | ||
lib_sql.cc | ||
libmysql.c | ||
libmysqld.c | ||
libmysqld.def | ||
libmysqld.rc | ||
resource.h |