Function support: sqlite

What is specific to sqlite: the rendering column is filled in only where this dialect departs from the standard one. The canonical form, and the SQL every dialect generates for a sample query, are on the function pages.

Function Category Kind Status Dialect rendering Notes
< comparison scalar standard
<= comparison scalar standard
<> comparison scalar standard
= comparison scalar standard
> comparison scalar standard
>= comparison scalar standard
AND logical scalar standard
BETWEEN comparison scalar standard
DISTINCT comparison scalar standard
IN comparison scalar standard
ISNULL comparison scalar standard
LIKE comparison scalar standard
NOT logical scalar standard
OR logical scalar standard
abs math scalar standard
acos math scalar standard
add arithmetic scalar standard
ascii string scalar overridden unicode(character)
asin math scalar standard
at_zone datetime scalar unsupported —
atan math scalar standard
avg aggregate aggregate standard
bit_length string scalar overridden length(CAST(string AS BLOB)) * 8
calendar_distance datetime scalar standard
case conditional scalar standard
ceil math scalar standard
char_length string scalar overridden length(string)
chr string scalar overridden char(code)
clock_now datetime scalar standard
coalesce conditional scalar standard
concat string scalar standard
concat_ws string scalar standard
cos math scalar standard
count aggregate aggregate standard
count_distinct aggregate aggregate overridden COUNT(DISTINCT value)
count_distinct(value, more) — unsupported		 no OVER clause
date_trunc datetime scalar overridden date_trunc(…) — dialect-specific rendering
day datetime scalar overridden CAST(strftime('%d', value) AS INTEGER)
day_add datetime scalar overridden date(value, printf('%+d days', n))
day_begin datetime scalar overridden datetime(value, 'start of day')
dayofweek datetime scalar overridden (((CAST(strftime('%w', value) AS INTEGER) + 6) % 7) + 1)
dayofyear datetime scalar overridden CAST(strftime('%j', value) AS INTEGER)
days_between datetime scalar overridden CAST(julianday(end) - julianday(start) AS INTEGER)
dense_rank window window standard
divide arithmetic scalar standard results differ
exp math scalar standard
floor math scalar standard
greatest math scalar overridden max(value, more)
hour datetime scalar overridden CAST(strftime('%H', value) AS INTEGER)
hour_begin datetime scalar overridden datetime(strftime('%Y-%m-%d %H:00:00', value))
initcap string scalar unsupported —
lag window window standard
lead window window standard
least math scalar overridden min(value, more)
left string scalar overridden substr(string, 1, n)
ln math scalar standard
log math scalar standard
log10 math scalar standard
lower string scalar standard
lpad string scalar unsupported —
ltrim string scalar standard
make_date datetime scalar overridden date(printf('%04d-%02d-%02d', year, month, day))
make_time datetime scalar unsupported —
make_timestamp datetime scalar unsupported —
max aggregate aggregate standard
md5 string scalar unsupported —
min aggregate aggregate standard
minus arithmetic scalar standard
minute datetime scalar overridden CAST(strftime('%M', value) AS INTEGER)
minute_begin datetime scalar overridden datetime(strftime('%Y-%m-%d %H:%M:00', value))
mod math scalar standard
month datetime scalar overridden CAST(strftime('%m', value) AS INTEGER)
month_add datetime scalar overridden min(date(value, printf('%+d months', n)), date(value, 'start of month', printf('%+d months', n + 1), '-1 day'))
month_begin datetime scalar overridden date(value, 'start of month')
month_end datetime scalar overridden date(value, 'start of month', '+1 month', '-1 day')
months_between datetime scalar overridden (CASE WHEN ((CAST(strftime('%Y', end) AS INTEGER) * 12 + CAST(strftime('%m', end) AS INTEGER)) - (CAST(strftime('%Y', start) AS INTEGER) * 12 + CAST(strftime('%m', start) AS INTEGER))) > 0 AND CAST(strftime('%d', end) AS INTEGER) < CAST(strftime('%d', start) AS INTEGER) THEN ((CAST(strftime('%Y', end) AS INTEGER) * 12 + CAST(strftime('%m', end) AS INTEGER)) - (CAST(strftime('%Y', start) AS INTEGER) * 12 + CAST(strftime('%m', start) AS INTEGER))) - 1 WHEN ((CAST(strftime('%Y', end) AS INTEGER) * 12 + CAST(strftime('%m', end) AS INTEGER)) - (CAST(strftime('%Y', start) AS INTEGER) * 12 + CAST(strftime('%m', start) AS INTEGER))) < 0 AND CAST(strftime('%d', end) AS INTEGER) > CAST(strftime('%d', start) AS INTEGER) THEN ((CAST(strftime('%Y', end) AS INTEGER) * 12 + CAST(strftime('%m', end) AS INTEGER)) - (CAST(strftime('%Y', start) AS INTEGER) * 12 + CAST(strftime('%m', start) AS INTEGER))) + 1 ELSE ((CAST(strftime('%Y', end) AS INTEGER) * 12 + CAST(strftime('%m', end) AS INTEGER)) - (CAST(strftime('%Y', start) AS INTEGER) * 12 + CAST(strftime('%m', start) AS INTEGER))) END)
multiply arithmetic scalar standard
negate arithmetic scalar standard
now datetime scalar standard
ntile window window standard
nullif conditional scalar standard
octet_length string scalar standard
overlay string scalar unsupported —
parse_date datetime scalar unsupported —
parse_time datetime scalar unsupported —
parse_timestamp datetime scalar unsupported —
pi math scalar standard
position string scalar overridden instr(str, substr)
power math scalar standard
quarter datetime scalar overridden ((CAST(strftime('%m', value) AS INTEGER) + 2) / 3)
quarter_begin datetime scalar overridden date(value, 'start of month', printf('%+d months', -((CAST(strftime('%m', value) AS INTEGER) - 1) % 3)))
quarter_end datetime scalar overridden date(value, 'start of month', printf('%+d months', 3 - ((CAST(strftime('%m', value) AS INTEGER) - 1) % 3)), '-1 day')
random math scalar overridden (random() / 18446744073709551616.0 + 0.5)
rank window window standard
regexp_count pattern_matching scalar unsupported —
regexp_like pattern_matching scalar unsupported —
regexp_replace pattern_matching scalar unsupported —
regexp_substr pattern_matching scalar unsupported —
repeat string scalar unsupported —
replace string scalar standard
reverse string scalar standard
right string scalar overridden substr(string, CASE WHEN n <= 0 THEN length(string) + 1 ELSE max(length(string) - n + 1, 1) END)
round math scalar standard
row_number window window standard
rpad string scalar unsupported —
rtrim string scalar standard
second datetime scalar overridden CAST(strftime('%S', value) AS INTEGER)
sign math scalar standard
sin math scalar standard
split_part string scalar unsupported —
sqrt math scalar standard
starts_with string scalar overridden (substr(string, 1, length(prefix)) = prefix)
string_agg aggregate aggregate standard
substring string scalar standard
sum aggregate aggregate standard
tan math scalar standard
to_bigint conversion scalar overridden CAST(ROUND(value, 0) AS INTEGER)
to_boolean conversion scalar overridden (value <> 0)
to_char formatting scalar overridden to_char(…) — dialect-specific rendering
to_date conversion scalar overridden date(value)
to_decimal conversion scalar overridden ROUND(value, scale)
to_double conversion scalar standard
to_float conversion scalar standard
to_hex string scalar overridden printf('%X', number)
to_integer conversion scalar overridden CAST(ROUND(value, 0) AS INTEGER)
to_number formatting scalar unsupported —
to_smallint conversion scalar overridden CAST(ROUND(value, 0) AS INTEGER)
to_text conversion scalar standard
to_time conversion scalar overridden time(value)
to_timestamp conversion scalar overridden datetime(value)
to_utc datetime scalar unsupported —
to_varchar conversion scalar standard
today datetime scalar standard
translate string scalar unsupported —
trim string scalar standard
trunc math scalar overridden trunc(value)
(CAST(value * pow(10, scale) AS INTEGER) / pow(10, scale))
upper string scalar standard results differ
week datetime scalar overridden ((CAST(strftime('%j', date(value, '-3 days', 'weekday 4')) AS INTEGER) - 1) / 7 + 1)
week_begin datetime scalar overridden date(value, '-6 days', 'weekday 1')
week_end datetime scalar overridden date(value, 'weekday 0')
year datetime scalar overridden CAST(strftime('%Y', value) AS INTEGER)
year_add datetime scalar overridden min(date(value, printf('%+d years', n)), date(value, 'start of month', printf('%+d months', n * 12 + 1), '-1 day'))
year_begin datetime scalar overridden date(value, 'start of year')
year_end datetime scalar overridden date(value, 'start of year', '+1 year', '-1 day')
year_month datetime scalar overridden CAST(strftime('%Y%m', value) AS INTEGER)
years_between datetime scalar overridden (CASE WHEN (CAST(strftime('%Y', end) AS INTEGER) - CAST(strftime('%Y', start) AS INTEGER)) > 0 AND strftime('%m-%d', end) < strftime('%m-%d', start) THEN (CAST(strftime('%Y', end) AS INTEGER) - CAST(strftime('%Y', start) AS INTEGER)) - 1 WHEN (CAST(strftime('%Y', end) AS INTEGER) - CAST(strftime('%Y', start) AS INTEGER)) < 0 AND strftime('%m-%d', end) > strftime('%m-%d', start) THEN (CAST(strftime('%Y', end) AS INTEGER) - CAST(strftime('%Y', start) AS INTEGER)) + 1 ELSE (CAST(strftime('%Y', end) AS INTEGER) - CAST(strftime('%Y', start) AS INTEGER)) END)