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Addresses #52

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Fixed usage.
Addresses #149

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tokudb_load handles signals now.
Addresses #149

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Addresses #149

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addresses #149

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Addresses #149

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Code is cleaner now with less special cases, handles DB_DBT_(MALLOC|REALLOC|USERMEM) as well as no flags now.
Closes #144

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seeing the problem with {{{make && ./test_db_curs2.tdb 1 && ./test_db_curs2.tdb 1 --more}}}.  Addresses #162.

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We never touch ulen.  If DB_DBT_USERMEM and ulen is too small, we set size, (do not write anything)
and return DB_BUFFER_SMALL.

This includes test_db_dbt_mem_behavior.c
Closes #146

git-svn-id: file:///svn/tokudb@1034 c7de825b-a66e-492c-adef-691d508d4ae1

 make && ./test_db_cursor.tdb && ./test_db_cursor.tdb --more
Addresses #162.


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Simplified version has trouble if we change the line 402 to a 3 or a 2 then its bad or good to do:
 make && ./test_db_cursor.tdb 1 && ./test_db_cursor.tdb 1 --more


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git-svn-id: file:///svn/tokudb@1027 c7de825b-a66e-492c-adef-691d508d4ae1

mixing toku_malloc and malloc is not a problem.  At least with BUFFERED_MALLOC not defined.  Added a test, and a {{{#error}}} inside {{{memory.c}}}.  Fixes #161.

git-svn-id: file:///svn/tokudb@1026 c7de825b-a66e-492c-adef-691d508d4ae1

and pruning stale records in secondary databases.
Closes #144
Closes #158
Fixed bug where we modify key or pkey or data if we return errors and
we really just pruned stale records.

Added test to verify we have no memory leaks caused by these issues.

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git-svn-id: file:///svn/tokudb@1008 c7de825b-a66e-492c-adef-691d508d4ae1

There was a bug in brt.c which checked to see if the number of pinned pages is zero at the beginning of a lookup.  With an open cursor, that doesn't have to be true.

Fixes #64, #141.



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