This is because of this in sql_yacc.yy:
window_func_expr:
window_func OVER_SYM window_name
{
$$= new (thd->mem_root) Item_window_func(thd, (Item_sum *) $1, $3);
if ($$ == NULL)
MYSQL_YYABORT;
}
|
window_func OVE
Hello Igor,
I was trying to move JOIN::process_window_functions() from using
join->fields_list to using join->select_lex->window_funcs.
And I discovered that join->select_lex->window_funcs does not contain
window function items that use window definition. Is this intentional?
Example:
create
Hi, Jan!
On Mar 23, Jan Lindström wrote:
> Hi,
>
> All below is correct and naturally you may re-implement duplicate search on
> different index type. I think there is more code that needs change as this
> new index type would contain a column (hash value of the blob field) that
> is not on store
Hi,
All below is correct and naturally you may re-implement duplicate search on
different index type. I think there is more code that needs change as this
new index type would contain a column (hash value of the blob field) that
is not on stored on base table, right ? Indexed columns are also stor
Hi, Sachin!
On Mar 23, Sachin Setia wrote:
> Hello Sergei
> Today I made some progress related to project.
> MyISAM/ARIA
> Got clear understanding of how to implement unique index for query like
> create table tbl(col1 int primary key , col2 blob ,col3 blob ,
> unique(col2,col3))
> InnoDB
>
Hello Sergei,
I have gone through some of the source files in InnoDB.
/ handler/ha_innodb.cc
/row/row0mysql.cc
/row/row0ins.cc
/dict/dict0mem.cc
Hello Sergei
Today I made some progress related to project.
MyISAM/ARIA
Got clear understanding of how to implement unique index for query like
create table tbl(col1 int primary key , col2 blob ,col3 blob ,
unique(col2,col3))
InnoDB
Reading about it.Actually Sir, I want to do this project whether I
Thanks Sergei , this solved the mystery.
Regards
sachin
On Wed, Mar 23, 2016 at 12:03 AM, Sergei Golubchik wrote:
> Hi, Sachin!
>
> On Mar 22, Sachin Setia wrote:
> > Hello Devlopers
> > I was debugging the source code of mariadb. My query was
> > MariaDB [sachin]> create table pro2(abc int prim
8 matches
Mail list logo
