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MWL#90: Merge (4)

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Sergey Petrunya
2011-02-15 22:25:10 +03:00
parent bbd4bb310d e4325ff60b
commit cdccdea951
44 changed files with 4297 additions and 1806 deletions
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12
sql/sql_join_cache.h
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@ -125,7 +125,15 @@ protected:
Cardinality of the range of join tables whose fields can be put into the
cache. A table from the range not necessarily contributes to the cache.
*/
uint tables;
// psergey-merge: gone: uint tables;
/*
JOIN_TAB of the first table that can have it's fields in the join cache.
That is, tables in the [start_tab, tab) range can have their fields in the
join cache.
If a join tab in the range represents an SJM-nest, then all tables from the
nest can have their fields in the join cache, too.
*/
JOIN_TAB *start_tab;
/*
The total number of flag and data fields that can appear in a record
@ -647,7 +655,7 @@ public:
buff= 0;
}
JOIN_TAB *get_next_table(JOIN_TAB *tab);
// JOIN_TAB *get_next_table(JOIN_TAB *tab);
friend class JOIN_CACHE_HASHED;
friend class JOIN_CACHE_BNL;