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MDEV-9724: Window functions: Frame Exclusion support

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Produce a "not supported" error if one attempts to exclude rows
This commit is contained in:
Sergei Petrunia
2016-03-18 01:15:05 +03:00
parent a197c6bb68
commit 13f9535f2d
4 changed files with 73 additions and 1 deletions
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6
sql/sql_window.cc
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@ -127,6 +127,12 @@ setup_windows(THD *thd, Ref_ptr_array ref_pointer_array, TABLE_LIST *tables,
DBUG_RETURN(1);
}
if (win_spec->window_frame &&
win_spec->window_frame->exclusion != Window_frame::EXCL_NONE)
{
my_error(ER_FRAME_EXCLUSION_NOT_SUPPORTED, MYF(0));
DBUG_RETURN(1);
}
/*
For "win_func() OVER (ORDER BY order_list RANGE BETWEEN ...)",
- ORDER BY order_list must not be ommitted