RAQL Reserved Keywords

abs	false	natural	then
all	first	not	to
and	first_value	now	trailing
any	float	nth_value	trim
array	floor	ntile	true
as	following	null	trunc
asc	for	nulls	truncate
avg	from	on	unbounded
between	full	or	union
big_decimal	group	order	unknown
blob	grouping	outer	upper
boolean	having	over	using
by	hour	partition	variance
byte	hours	pattern	var_pop
case	in	power	var_samp
cast	inner	preceding	week
ceil	integer	range	weeks
ceiling	intersect	rank	when
character	is	recursive	where
character_length	join	ref	window
char_length	lag	regr_intercept	with
clob	last	regr_slope	within
corr	last_value	relative	year
count	lead	right	years
covar	leading	round
covar_pop	left	row
covar_samp	like	rows
cross	limit	row_number
cube	ln	seconds
cume_dist	long	seconds
current	lower	select
date	matching	sets
day	max	shift
days	measures	short
default	millisecond	slide
define	milliseconds	sql_date
dense_rank	min	sql_time
desc	minus	sql_timestamp
distinct	minute	sqrts
do	minutes	stddev
double	mod	stddev_pop
duration	month	stddev_samp
else	months	string
end		struct
except		substring
exp		sum
explain