MariaDB starting with 10.2.3

JSON functions were added in MariaDB 10.2.3.

Syntax

JSON_QUOTE(json_value)

Description

Quotes a string as a JSON value, usually for producing valid JSON string literals for inclusion in JSON documents. Wraps the string with double quote characters and escapes interior quotes and other special characters, returning a utf8mb4 string.

Returns NULL if the argument is NULL.

Examples

SELECT JSON_QUOTE('A'), JSON_QUOTE("B"), JSON_QUOTE('"C"');
+-----------------+-----------------+-------------------+
| JSON_QUOTE('A') | JSON_QUOTE("B") | JSON_QUOTE('"C"') |
+-----------------+-----------------+-------------------+
| "A"             | "B"             | "\"C\""           |
+-----------------+-----------------+-------------------+

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