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json_array

json_array

Description

Syntax

VARCHAR json_array(VARCHAR,...)

Generate a json array containing the specified values, return empty if no values

example

MySQL> select json_array();
+--------------+
| json_array() |
+--------------+
| [] |
+--------------+

MySQL> select json_array(null);
+--------------------+
| json_array('NULL') |
+--------------------+
| [NULL] |
+--------------------+


MySQL> SELECT json_array(1, "abc", NULL, TRUE, CURTIME());
+-----------------------------------------------+
| json_array(1, 'abc', 'NULL', TRUE, curtime()) |
+-----------------------------------------------+
| [1, "abc", NULL, TRUE, "10:41:15"] |
+-----------------------------------------------+


MySQL> select json_array("a", null, "c");
+------------------------------+
| json_array('a', 'NULL', 'c') |
+------------------------------+
| ["a", NULL, "c"] |
+------------------------------+

keywords

json_array