Function support: mariadb

What is specific to mariadb: 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 overridden NOT (left <=> right)
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 standard
asin math scalar standard
at_zone datetime scalar standard
atan math scalar standard
avg aggregate aggregate standard
bit_length string scalar standard
btrim string scalar overridden TRIM(string)
calendar_distance datetime scalar standard
case conditional scalar standard
ceil math scalar standard
ceiling math scalar standard
char_length string scalar standard
character_length string scalar standard
chr string scalar standard
clock_now datetime scalar overridden SYSDATE()
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 standard
date datetime scalar standard
date_trunc datetime scalar overridden date_trunc(…) — dialect-specific rendering
day datetime scalar standard
day_add datetime scalar standard
day_begin datetime scalar overridden CAST(DATE(value) AS DATETIME)
dayofmonth datetime scalar standard
dayofweek datetime scalar overridden (WEEKDAY(value) + 1)
dayofyear datetime scalar standard
days_between datetime scalar overridden TIMESTAMPDIFF(DAY, start, end)
dense_rank window window standard
divide arithmetic scalar standard
exp math scalar standard
floor math scalar standard
greatest math scalar standard
hour datetime scalar standard
initcap string scalar unsupported —
lag window window standard
lead window window standard
least math scalar standard
left string scalar standard
length string scalar overridden CHAR_LENGTH(string)
ln math scalar standard
log math scalar standard
log10 math scalar standard
lower string scalar standard
lpad string scalar standard
ltrim string scalar standard
make_date datetime scalar overridden STR_TO_DATE(CONCAT(year, '-', month, '-', day), '%Y-%m-%d')
make_time datetime scalar overridden MAKETIME(hour, minute, second)
make_timestamp datetime scalar overridden STR_TO_DATE(CONCAT(year, '-', month, '-', day, ' ', hour, ':', minute, ':', second), '%Y-%m-%d %H:%i:%s')
max aggregate aggregate standard
md5 string scalar standard
min aggregate aggregate standard
minus arithmetic scalar standard
minute datetime scalar standard
mod math scalar standard
month datetime scalar standard
month_add datetime scalar standard
month_begin datetime scalar overridden (MAKEDATE(YEAR(value), 1) + INTERVAL (MONTH(value) - 1) MONTH)
month_end datetime scalar overridden LAST_DAY(value)
months_between datetime scalar overridden TIMESTAMPDIFF(MONTH, start, 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 overridden INSERT(string, start, length, replacement)
parse_date datetime scalar native parse_date(…) — dialect-specific rendering
parse_time datetime scalar native parse_time(…) — dialect-specific rendering
parse_timestamp datetime scalar native parse_timestamp(…) — dialect-specific rendering
pi math scalar standard
position string scalar standard
power math scalar standard
quarter datetime scalar standard
quarter_begin datetime scalar overridden (MAKEDATE(YEAR(value), 1) + INTERVAL (QUARTER(value) - 1) * 3 MONTH)
quarter_end datetime scalar overridden LAST_DAY(MAKEDATE(YEAR(value), 1) + INTERVAL (QUARTER(value) * 3 - 1) MONTH)
random math scalar standard
rank window window standard
regexp_count pattern_matching scalar unsupported —
regexp_like pattern_matching scalar overridden (string REGEXP pattern) results differ
regexp_replace pattern_matching scalar standard results differ
regexp_substr pattern_matching scalar standard
repeat string scalar standard
replace string scalar standard
reverse string scalar standard
right string scalar standard
round math scalar standard
row_number window window standard
rpad string scalar standard
rtrim string scalar standard
second datetime scalar standard
sign math scalar standard
sin math scalar standard
split_part string scalar overridden SUBSTRING_INDEX(SUBSTRING_INDEX(string, delimiter, n), delimiter, -1)
sqrt math scalar standard
starts_with string scalar overridden (LEFT(string, CHAR_LENGTH(prefix)) = prefix)
string_agg aggregate aggregate overridden GROUP_CONCAT(value SEPARATOR separator)
strpos string scalar overridden INSTR(string, substring)
substr string scalar standard
substring string scalar standard
sum aggregate aggregate standard
tan math scalar standard
time datetime scalar standard
timestamp datetime scalar standard
to_bigint conversion scalar overridden CAST(value AS SIGNED)
to_boolean conversion scalar overridden (value <> 0) results differ
to_char formatting scalar overridden to_char(…) — dialect-specific rendering
to_date conversion scalar standard
to_decimal conversion scalar standard
to_double conversion scalar standard
to_float conversion scalar standard
to_hex string scalar overridden HEX(number)
to_integer conversion scalar standard
to_number formatting scalar unsupported —
to_smallint conversion scalar overridden CAST(value AS SIGNED)
to_text conversion scalar overridden CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
CAST(value AS CHAR)
to_time conversion scalar standard
to_timestamp conversion scalar overridden CAST(value AS DATETIME)
to_utc datetime scalar standard
to_varchar conversion scalar standard
today datetime scalar standard
translate string scalar unsupported —
trim string scalar standard
trunc math scalar overridden TRUNCATE(value, 0)
TRUNCATE(value, scale)
upper string scalar standard
week datetime scalar overridden WEEKOFYEAR(value)
week_begin datetime scalar overridden (DATE(value) - INTERVAL WEEKDAY(value) DAY)
week_end datetime scalar overridden (DATE(value) - INTERVAL WEEKDAY(value) DAY + INTERVAL 6 DAY)
year datetime scalar standard
year_add datetime scalar standard
year_begin datetime scalar overridden MAKEDATE(YEAR(value), 1)
year_end datetime scalar overridden LAST_DAY(MAKEDATE(YEAR(value), 1) + INTERVAL 11 MONTH)
years_between datetime scalar overridden TIMESTAMPDIFF(YEAR, start, end)