- 10 Jul, 2010 1 commit
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psergey authored
- Remove deadcode - Improve comments - Do small several small TODOs
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- 11 Jun, 2010 2 commits
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Sergey Petrunya authored
- Remove garbage comments - fix a bug in join_tab_cmp
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Sergey Petrunya authored
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- 10 Jun, 2010 3 commits
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Sergey Petrunya authored
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Sergey Petrunya authored
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Sergey Petrunya authored
of two query plans with identical costs.
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- 09 Jun, 2010 3 commits
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Sergey Petrunya authored
- Unify EXPLAIN printout for <subqueryN> tables with regular tables - Update test results for <subqueryN> tables: s/unique_key/distinct_key/g s/1.0/100.0/ for "filtered" column
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Sergey Petrunya authored
- Fix test failures: do not use make_cond_after_sjm()'s result in case of merged SJ-Materialization lookup - Update test results
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Sergey Petrunya authored
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- 08 Jun, 2010 2 commits
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Sergey Petrunya authored
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Sergey Petrunya authored
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Address feedback - Code cleanup (not finished)
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- 06 Jun, 2010 1 commit
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Sergey Petrunya authored
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- 05 Jun, 2010 3 commits
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Sergey Petrunya authored
- Make join buffering take into account that join_tabs are not a single linear array anymore - Remove outer join + SJ-Materialization crash (OJ+SJ the processing is most likely still incorrect)
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Sergey Petrunya authored
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Sergey Petrunya authored
- Make join buffering code to take into account that JOIN_TABs are not a linear array anymore.
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- 04 Jun, 2010 1 commit
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Sergey Petrunya authored
- First code, needs cleanup.
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- 27 May, 2010 1 commit
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Sergey Petrunya authored
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Change "SUBQUERY#n" to "<subquery{n}>" in EXPLAIN output. We need to it to be lowercase so that EXPLAIN results do not differ in case between systems with case-sensitive and case-insensitive filesystems. - Remove garbage comments, add better comments.
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- 25 May, 2010 3 commits
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Sergey Petrunya authored
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Sergey Petrunya authored
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Remove JOIN::all_tables as it is not useful. - Better wording in comments
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Sergey Petrunya authored
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Code cleanu. - Make MWL#90 code require @@optimizer_switch='semijoin=on' - Update test results with the above - Fork subselect_mat.test - we want to check both semi-join materialization, which now has broader scope and non-semijoin materialization.
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- 24 May, 2010 2 commits
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Sergey Petrunya authored
MWL#90: Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Merge into 5.3-subqueries
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Sergey Petrunya authored
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- 23 May, 2010 1 commit
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Sergey Petrunya authored
Subqueries: Inside-out execution for non-semijoin materialized subqueries that are AND-parts of the WHERE - Code cleanup - Query plan change is due to s/ha_rows JOIN_TAB::read_time/double JOIN_TAB::read_time/
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- 11 May, 2010 1 commit
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Sergey Petrunya authored
- Better comments
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- 10 May, 2010 1 commit
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Sergey Petrunya authored
- Better comments - Use more appropriate return types for functions - Provide handling where it was missing.
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- 03 May, 2010 1 commit
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Sergey Petrunya authored
correct number of tables (when we're optimizing a materializable semi-join nest, we're considering only tables from within that nest).
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- 25 Apr, 2010 1 commit
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Sergey Petrunya authored
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- 06 Apr, 2010 6 commits
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Sergey Petrunya authored
- for Item-based materialization, it was "materialized subselect" - for SJ-Materialization it was "subquery%d"
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unknown authored
semi-join, where the the REF buffer format was mistaken to be in record format instead of key format. The error was that the null byte for all fields of the record was in the front of the buffer, and not before each field data.
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Sergey Petrunya authored
subqueries that are AND-parts of the WHERE - Make test results handle same-cost QEP races
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Sergey Petrunya authored
subqueries that are AND-parts of the WHERE - Update test results
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Sergey Petrunya authored
subqueries that are AND-parts of the WHERE - Update test results (checked, we get 0 because the subquery is actually evaluated by the EXPLAIN).
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Sergey Petrunya authored
non-semijoin materialized subqueries that are AND-parts of the WHERE - Update test results.
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- 05 Apr, 2010 2 commits
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unknown authored
was not cleaned up between PS re-executions. The reason was two-fold: - a merge with mysql-6.0 missed select_union::cleanup() that should have cleaned up the temp table, and - the subclass of select_union used by materialization didn't call the base class cleanup() method.
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Sergey Petrunya authored
subqueries that are AND-parts of the WHERE - First code (needs cleanup).
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- 02 Apr, 2010 1 commit
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unknown authored
Fixed an error where the priority queue for the indexes used for partial matching was not emptied after each execution in all cases.
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- 29 Mar, 2010 2 commits
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Sergey Petrunya authored
invoke proper Item_int constructor.
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Sergey Petrunya authored
- Add Item_in_subselect::get_identifier() that returns subquery's id - Change select_describe() to produce output in new format - Update test results (checked)
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- 23 Mar, 2010 1 commit
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Sergey Petrunya authored
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- 21 Mar, 2010 1 commit
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Sergey Petrunya authored
of which satisfied the ORDER BY clause).
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