simcop2387/DBD-SQLite-SQLcipher
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3 commits

Author SHA1 Message Date
Kenichi Ishigaki
b0fad50e4c fixed for older DBI 2019-01-26 07:12:40 +09:00
Kenichi Ishigaki
90ec098f1c added a boilerplace for test 2019-01-26 06:56:16 +09:00
Max Maischein
1fd1a0d15f Handle 'unknown' op in DBD::SQLite::VirtualTable::PerlData 
This patch adds code and a test when SQLite generates an 'unknown'
op for a table join in the BEST_INDEX() callback. The Perl code crashed
when such an op was generated for a JOIN criterion by the SQLite engine.

The SQLite engine creates an 'unknown' op on the following SQL
for example:

                select r.nodepath
                  from temp.scan_results r
                       left join temp.scan_results m
                             on r.nodepath = m.nodepath+1
                 where m.nodepath is null

The important part is that the right side of the left join must be
checked for IS NULL.
 2019-01-25 19:05:07 +01:00