Why do you think a BLOB stores text more efficiently? Do you compress it? He Shiming wrote: > Hi, > > I would like to know if there is some workaround to use group_concat on > binary columns. > > For performance consideration, I need to query two tables and accomplish > data retrieval in a single SELECT. There is this BLOB column, originally > designed as BLOB rather than text so that the storage is efficient. So can I > use group_concat to join binary columns? I don't know if the implementation > actually treats the output column as a string, or it will determine the > actual length, in which case, it might be possible. > > What choices do I have? Is it a good idea to add another column that > contains the encoded text representation of the BLOB? > > Thanks in advance, > He Shiming > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
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