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Initial implementation of RANK() window function

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This commit is contained in:
Sergei Petrunia
2016-02-06 01:53:17 +03:00
parent 30c9450af7
commit 64ab10ffff
7 changed files with 213 additions and 15 deletions
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5
sql/sql_select.cc
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@ -22341,6 +22341,11 @@ int test_if_item_cache_changed(List<Cached_item> &list)
}
/*
@return
-1 - Group not changed
value>=0 - Number of the component where the group changed
*/
static int
test_if_group_changed(List<Cached_item> &list)