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SHOW FUNCTIONS

Shows the list of supported functions currently, including builtin scalar/aggregate functions and user defined functions.

Syntax

SHOW FUNCTIONS  [LIKE 'pattern' | WHERE expr]

Example

SHOW FUNCTIONS;
+-------------------------+------------+--------------+-------------------+---------------------------+
| name | is_builtin | is_aggregate | definition | description |
+-------------------------+------------+--------------+-------------------+---------------------------+
| != | 1 | 0 | | |
| % | 1 | 0 | | |
| * | 1 | 0 | | |
| + | 1 | 0 | | |
| - | 1 | 0 | | |
| / | 1 | 0 | | |
| < | 1 | 0 | | |
| <= | 1 | 0 | | |
| <> | 1 | 0 | | |
| = | 1 | 0 | | |
+-------------------------+------------+--------------+-------------------+---------------------------+

Showing the functions begin with "today":

SHOW FUNCTIONS LIKE 'today%';
+--------------+------------+--------------+------------+-------------+
| name | is_builtin | is_aggregate | definition | description |
+--------------+------------+--------------+------------+-------------+
| today | 1 | 0 | | |
| todayofmonth | 1 | 0 | | |
| todayofweek | 1 | 0 | | |
| todayofyear | 1 | 0 | | |
+--------------+------------+--------------+------------+-------------+

Showing the functions begin with "today" with WHERE:

SHOW FUNCTIONS WHERE name LIKE 'today%';
+--------------+------------+--------------+------------+-------------+
| name | is_builtin | is_aggregate | definition | description |
+--------------+------------+--------------+------------+-------------+
| today | 1 | 0 | | |
| todayofmonth | 1 | 0 | | |
| todayofweek | 1 | 0 | | |
| todayofyear | 1 | 0 | | |
+--------------+------------+--------------+------------+-------------+