readd useful comment that went away with last checkin

git-svn-id: file:///svn/mysql/tokudb-engine/src@4753 c7de825b-a66e-492c-adef-691d508d4ae1

cosmetic change, make external_lock have only one return pt

git-svn-id: file:///svn/mysql/tokudb-engine/src@4751 c7de825b-a66e-492c-adef-691d508d4ae1

make external_lock more readable

git-svn-id: file:///svn/mysql/tokudb-engine/src@4750 c7de825b-a66e-492c-adef-691d508d4ae1

back out change for 4591, need more testing before it can go in
reopening ticket

git-svn-id: file:///svn/mysql/tokudb-engine/src@4634 c7de825b-a66e-492c-adef-691d508d4ae1

fix buffer overwrite error. Bug has been around, but just recently exposed
by checkin 4590

git-svn-id: file:///svn/mysql/tokudb-engine/src@4616 c7de825b-a66e-492c-adef-691d508d4ae1

implement read_time to take into account that the primary_key is clustered

git-svn-id: file:///svn/mysql/tokudb-engine/src@4595 c7de825b-a66e-492c-adef-691d508d4ae1

pre_acquire table locks from lock tree when mysql is doing a lock table

git-svn-id: file:///svn/mysql/tokudb-engine/src@4591 c7de825b-a66e-492c-adef-691d508d4ae1

add_index now correctly computes number of existing DB files

git-svn-id: file:///svn/mysql/tokudb-engine/src@4590 c7de825b-a66e-492c-adef-691d508d4ae1

rename lock_grabbed to range_lock_grabbed to help distinguish from
cases where table lock is grabbed

git-svn-id: file:///svn/mysql/tokudb-engine/src@4589 c7de825b-a66e-492c-adef-691d508d4ae1

fix index_prev in case we don't have lock
it was a typo before

git-svn-id: file:///svn/mysql/tokudb-engine/src@4516 c7de825b-a66e-492c-adef-691d508d4ae1

git-svn-id: file:///svn/mysql/tokudb-engine/src@4515 c7de825b-a66e-492c-adef-691d508d4ae1

grab locks in add_index to reduce lock tree overhead

git-svn-id: file:///svn/mysql/tokudb-engine/src@4499 c7de825b-a66e-492c-adef-691d508d4ae1

use DB_PRELOCK when we know we have lock acquired

git-svn-id: file:///svn/mysql/tokudb-engine/src@4481 c7de825b-a66e-492c-adef-691d508d4ae1

no need to disable shortcut sorts with blobs

git-svn-id: file:///svn/mysql/tokudb-engine/src@4461 c7de825b-a66e-492c-adef-691d508d4ae1

make handlerton not use a cursor that has had a failed operation
this will be useful for lightweight cursors

git-svn-id: file:///svn/mysql/tokudb-engine/src@4455 c7de825b-a66e-492c-adef-691d508d4ae1

slightly restructure some functions to allow handling of lighter weight cursors

git-svn-id: file:///svn/mysql/tokudb-engine/src@4439 c7de825b-a66e-492c-adef-691d508d4ae1

implement read_range_first to grab range read lock

git-svn-id: file:///svn/mysql/tokudb-engine/src@4405 c7de825b-a66e-492c-adef-691d508d4ae1

make table scans grab an entire read lock from the beginning

git-svn-id: file:///svn/mysql/tokudb-engine/src@4404 c7de825b-a66e-492c-adef-691d508d4ae1

used to disable covering indexes for some keys with strings for wrong reasons
not anymore

git-svn-id: file:///svn/mysql/tokudb-engine/src@4386 c7de825b-a66e-492c-adef-691d508d4ae1

add instances of read_range_first and read_range_next in ha_tokudb
currently just call parent class version

git-svn-id: file:///svn/mysql/tokudb-engine/src@4385 c7de825b-a66e-492c-adef-691d508d4ae1

git-svn-id: file:///svn/mysql/tokudb-engine/src@4353 c7de825b-a66e-492c-adef-691d508d4ae1

make add_index faster by making inserts into secondary table all be part
of on transaction

git-svn-id: file:///svn/mysql/tokudb-engine/src@4287 c7de825b-a66e-492c-adef-691d508d4ae1

merge back into main branch

git-svn-id: file:///svn/mysql/tokudb-engine/src@4264 c7de825b-a66e-492c-adef-691d508d4ae1

now DB's are removed with db->remove and unlink

git-svn-id: file:///svn/mysql/tokudb-engine/src@4252 c7de825b-a66e-492c-adef-691d508d4ae1

check to see if keys that are added have same name as existing keys.
if so, gracefully return error

git-svn-id: file:///svn/mysql/tokudb-engine/src@4250 c7de825b-a66e-492c-adef-691d508d4ae1

get proper error msg returned

git-svn-id: file:///svn/mysql/tokudb-engine/src@4224 c7de825b-a66e-492c-adef-691d508d4ae1

change the default cache table size to 1/2 of physical memory and add a sysvar that allows one to change the default percentage. closes #876

git-svn-id: file:///svn/mysql/tokudb-engine/src@4218 c7de825b-a66e-492c-adef-691d508d4ae1

tmp_key_buff was not big enough

git-svn-id: file:///svn/mysql/tokudb-engine/src@4200 c7de825b-a66e-492c-adef-691d508d4ae1

table->s->max_key_length does not take into account new keys that are being added, and therefore is not suitable as a buffer size

git-svn-id: file:///svn/mysql/tokudb-engine/src@4167 c7de825b-a66e-492c-adef-691d508d4ae1

not accessing ANOTHER null_bit correctly

git-svn-id: file:///svn/mysql/tokudb-engine/src@4165 c7de825b-a66e-492c-adef-691d508d4ae1

not accessing null_bit correctly

git-svn-id: file:///svn/mysql/tokudb-engine/src@4164 c7de825b-a66e-492c-adef-691d508d4ae1

merge back into main branch

git-svn-id: file:///svn/mysql/tokudb-engine/src@4138 c7de825b-a66e-492c-adef-691d508d4ae1

git-svn-id: file:///svn/mysql/tokudb-engine/src@4019 c7de825b-a66e-492c-adef-691d508d4ae1

comment out DB_DBT_DUPOK usage, which fractal tree
does not understand at the moment

git-svn-id: file:///svn/mysql/tokudb-engine/src@3956 c7de825b-a66e-492c-adef-691d508d4ae1

with DB->key_range64 implemented, enable records_in_range

git-svn-id: file:///svn/mysql/tokudb-engine/src@3952 c7de825b-a66e-492c-adef-691d508d4ae1

replace bad NULL param with what the param should actually be

git-svn-id: file:///svn/mysql/tokudb-engine/src@3951 c7de825b-a66e-492c-adef-691d508d4ae1

git-svn-id: file:///svn/mysql/tokudb-engine/src@3939 c7de825b-a66e-492c-adef-691d508d4ae1

reduce complexity of pack_row and make it independent of whether
we have a hidden primary key

git-svn-id: file:///svn/mysql/tokudb-engine/src@3920 c7de825b-a66e-492c-adef-691d508d4ae1

no longer append hidden primary key at end of data inserted in tokudb table

git-svn-id: file:///svn/mysql/tokudb-engine/src@3900 c7de825b-a66e-492c-adef-691d508d4ae1

remove extraneous parameter in remove_keys

git-svn-id: file:///svn/mysql/tokudb-engine/src@3862 c7de825b-a66e-492c-adef-691d508d4ae1