fixes #201

compilations).

useful definition directly into make_tdb.cc (which generates db.h)

disk bytes written. Need to add a 'double' engine status type, which
apparnetly exists in the union, but not as a type tag.

refs Tokutek/mongo#886, change get_last_key to use a callback instead of copying data, so that we don't have
mongo code freeing data that fractal tree allocated.

Add db->get_last_key() and test.
Add test

This allows callers to prevent a cursor that churns through many many committed
deletes to run amok.

of number of loops run

and a new operation in test_stress0 for stress testing coverage

Refs Tokutek/ft-index#26 Fixes Tokutek/ft-index#31 Change api for *_multiple to support array indexing.  Never call put/del_callback functions for src_db.

Refs Tokutek/ft-engine#40 Rename c_restrict_to_range to c_set_bounds, delete c_pre_acquire_range_lock

Refs Tokutek/ft-engine/#40 Add c_restrict_to_range function to force cursor to keep track of prelocked range

db_env_set_toku_product_name

squashed commits:

create db->get_key_after_bytes() api down to the ft layer, and start a unit test
refs #18

setup/teardown for get_key_after_bytes test
refs #18

rename test because it really is going to be a small unit test
refs #18

implement a few initial checks
refs #18

adding actually_skipped parameter because we will want it in splitVector
refs #18

NULL -> nullptr, I'm rusty from mongo work
refs #18

fix some old apis to fit what get_key_after_bytes needs:

make keyrange_compare_s hold an FT instead of FT_HANDLE to prepare for reuse refs #18

make keyrange_compare_s hold a const dbt refs #18

fix const-correctness of fill_bfe functions refs #18

add unit test for an empty dictionary
refs #18

implement get_key_after_bytes for a single basement node, passes simple tests
refs #18

add test for multiple basement nodes
refs #18

fix usage of ft_search_t, we do need a full one after all
refs #18

check actually_skipped for correctness (even though it's an estimate)
refs #18

restructure test to be faster, and test keys before the beginning of the table
refs #18

don't try to read in the right basement node, just check the bns you have
refs #18

implement get_key_after_bytes for height > 0 trees
refs #18

return the amount skipped even if we hit the end of the table
refs #18

add inexact test for height > 0 trees, adjust constants so it's faster
refs #18

don't do I/O to bring in basement nodes just for get_key_after_bytes
refs #18

don't blindly check the first basement node, it's not guaranteed to be there anymore
refs #18

fix leak in get_key_after_bytes_unit.tdb
refs #18

add get_key_after_bytes to test_stress5
refs #18

switch to a callback API to save mallocs and memcpys
refs #18

git-svn-id: file:///svn/toku/tokudb@55577 c7de825b-a66e-492c-adef-691d508d4ae1

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Fixes #6020.  Detect huge pages.  The fractal tree layer notices when you create a logger (maybe there are other useful times to detect, but that's enough for now).  The ydb layer notices when you all {{{db_env->open()}}}.    The mysql handlerton notices the error in {{{tokudb_init_func()}}}.

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fixes #6086 Merge 6086 to main.  We now read in basement nodes if a full keyrange resides in it so that we can answer more accurately.


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