Sergey Petrunya
dbc63bed22
MWL#121-125: DS-MRR improvements
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- Address review feedback, step 1
2010-09-05 14:32:14 +04:00
Sergey Petrunya
937db4bff4
- Remove out-of-date comments
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- Make testcase stable
2010-08-14 22:35:50 +04:00
Sergey Petrunya
c964cb1b62
key/rowid buffer overflow fixes for various tricky cases.
2010-08-14 18:56:37 +04:00
Sergey Petrunya
d098596ba5
Fix a number of problems with reverse buffer use
2010-08-12 23:59:29 +04:00
Sergey Petrunya
8d07c16ad9
Do dynamic buffer growing/shrinking.
2010-08-12 21:18:41 +04:00
Sergey Petrunya
8dc81f47ef
Use reverse/backwards buffer for keys (now works)
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- don't allocate space for rowid buffer when we don't really need it.
- fix buffer iterator
2010-08-11 14:54:34 +04:00
Sergey Petrunya
e25db795bd
DS-MRR, key-ordered retrievals: commit for buildbot
2010-08-08 11:13:54 +04:00
Sergey Petrunya
7391175d7e
DS-MRR support improvements (MWL#123, MWL#124, MWL#125)
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- Let DS-MRR/CPK take advantage of materialized keys, when possible
2010-07-18 01:05:44 +04:00
Sergey Petrunya
e0999cdf7c
DS-MRR support improvements (MWL#123, MWL#124, MWL#125)
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- Lots of TODO comments
- add mrr_sort_keys flag to @@optimizer_switch
- [from Igor] SQL layer part passes HA_MRR_MATERIALIZED_KEYS flag
- Don't call rnd_pos() many times in a row if sorted rowid buffer
has the same rowid value for multiple consequive (rowid, range_id) pairs.
2010-07-17 18:03:50 +04:00
Sergey Petrunya
488d352a66
MWL#121: DS-MRR support for clustered primary keys
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- Remove back key_parts from multi_range_read_init() parameters
- Related code simplification/cleanup
2010-06-22 23:26:11 +04:00
Sergey Petrunya
16e197f5b1
MWL#121: DS-MRR support for clustered primary keys
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- Add testcases
- Code cleanup: garbage removal, better comments, make members private where possible
2010-06-22 21:24:22 +04:00
Sergey Petrunya
925e508a2e
MWL#121: DS-MRR support for clustered primary keys
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- First code (will need code cleanup)
2010-06-19 15:40:19 +04:00
Sergey Petrunya
da5edf5057
MWL#67: MRR backport
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- Make index condition pushdown be controlled by an @@optimizer_switch flag,
not by @@engine_condition_pushdown
- Make MRR buffer size be controlled by @@mrr_buffer_size, not
by @@read_rnd_buffer_size
- Move parts of code to separate files
- Code cleanup
- Add --sorted_result to some SELECTs in tests.
2009-12-22 15:33:21 +03:00
