Sergey Petrunya
c943dfd8b2
MDEV-494, part #1 : phantom row for big full-scan selects
...
- Full table scan internally uses LIMIT n, and re-starts the scan from
the last seen rowkey value. rowkey ranges are inclusive, so we will
see the same rowkey again. We should ignore it.
2012-08-28 20:22:45 +04:00
Sergey Petrunya
8eb16159e1
Cassandra storage engine: BKA support
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- We use HA_MRR_NO_ASSOC ("optimizer_switch=join_cache_hashed") mode
- Not able to use BKA's buffers yet.
- There is a variable to control batch size
- There are status counters.
- Nedeed to make some fixes in BKA code (to be checked with Igor)
2012-08-27 08:44:58 +04:00
Sergey Petrunya
fdab0300c1
Cassandra storage engine: bulk INSERT support
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- bulk inserts themselves
- control variable and counters.
2012-08-26 16:06:39 +04:00
Sergey Petrunya
81817412aa
Read records in batches when doing full table scan.
2012-08-20 12:08:29 +04:00
Sergey Petrunya
62c1c3f0c5
MDEV-431: Cassandra storage engine
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- Partial support for DELETE ... WHERE.
2012-08-19 13:21:23 +04:00
Sergey Petrunya
d36259703b
MDEV-431: Cassandra storage engine
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- Descriptive error messages
- Unpack PK column on range scans
2012-08-19 12:50:53 +04:00
Sergey Petrunya
9cdf5eeec9
MDEV-431: Cassandra storage engine
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- Support "DELETE FROM cassandra_table"
2012-08-18 21:29:31 +04:00
Sergey Petrunya
ab28174122
MDEV-431: Cassandra storage engine
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- Got range reads to work (except for unpacking of the rowkey value)
2012-08-18 21:21:50 +04:00
Sergey Petrunya
0d840d4d23
MDEV-431: Cassandra storage engine
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- Introduce type converters (so far rather trivial)
- switch INSERT to using batch_mutate()
2012-08-18 16:28:35 +04:00
Sergey Petrunya
c15914f761
Initial commit for Cassandra storage engine.
2012-08-17 21:13:20 +04:00
