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| author | Sergei Petrunia <psergey@askmonty.org> | 2016-03-13 03:34:31 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2016-03-13 03:34:31 +0300 |
| commit | e859c2dbb8f436294f7af679ac6931ecfb58c53e (patch) | |
| tree | 5b13029446c9622ef6bf23d9faaff07e787591b6 /sql/item_buff.cc | |
| parent | 879731aa84268f8e4afc76c62955e845249c3de5 (diff) | |
| download | mariadb-git-e859c2dbb8f436294f7af679ac6931ecfb58c53e.tar.gz | |
MDEV-9676: RANGE-type frames for window functions
Add support for "RANGE n PRECEDING|FOLLOWING" frame bounds.
- n is currently limited to whatever Item and Item_sum_plus/minus
can handle (i.e. no DATETIME intervals).
- Didn't check NULL value handling yet.
Diffstat (limited to 'sql/item_buff.cc')
| -rw-r--r-- | sql/item_buff.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/item_buff.cc b/sql/item_buff.cc index 3798aad06f0..488eb52fb77 100644 --- a/sql/item_buff.cc +++ b/sql/item_buff.cc @@ -71,7 +71,7 @@ Cached_item::~Cached_item() {} */ Cached_item_str::Cached_item_str(THD *thd, Item *arg) - :item(arg), + :Cached_item_item(arg), value_max_length(MY_MIN(arg->max_length, thd->variables.max_sort_length)), value(value_max_length) {} @@ -217,7 +217,7 @@ int Cached_item_field::cmp_read_only() Cached_item_decimal::Cached_item_decimal(Item *it) - :item(it) + :Cached_item_item(it) { my_decimal_set_zero(&value); } |