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c7bdf0779c
Send ok packet earlier for SELECT queries that does not have any updates. This is done in select_send::send_eof() Axel's select benchmarks shows that this has a notable speed improvement: 1 Thread: 28% TPS speedup 8 Threads: 23% 64 Threads 6% This was meassured with t_oltp_point_select With InnoDB running the client over sockets. Other things: - Moved error reporting of LIMIT ROWS EXAMINED from handle_select() to check_limit_rows_examined(). This is to ensure that the error is reported before send_eof() is called. - Removed duplicate "Query execution was interrupted" messages for the same query Reviewer: Sergei Golubchik <serg@mariadb.org> |
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| .. | ||
| archive | ||
| blackhole | ||
| columnstore | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| mroonga | ||
| myisam | ||
| myisammrg | ||
| oqgraph | ||
| perfschema | ||
| rocksdb | ||
| sequence | ||
| sphinx | ||
| spider | ||
| test_sql_discovery | ||
| videx | ||