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https://dev.mysql.com/doc/refman/5.7/en/obtaining-loadable-function-information.html
The mysql.func system table shows which loadable functions have been registered using CREATE FUNCTION: SELECT * FROM mysql.func; The func table has these columns: name The function name as referred to in SQL statements. Permitted values are 0 ...
https://dev.mysql.com/doc/refman/5.7/en/create-function.html
The CREATE FUNCTION statement is used to create stored functions and loadable functions: For information about creating stored functions, see Section 13.1.16, “CREATE PROCEDURE and CREATE FUNCTION Statements”. For information about creating ...
https://dev.mysql.com/doc/refman/5.7/en/drop-function.html
The DROP FUNCTION statement is used to drop stored functions and loadable functions: For information about dropping stored functions, see Section 13.1.27, “DROP PROCEDURE and DROP FUNCTION Statements”. For information about dropping loadable ...
https://dev.mysql.com/doc/refman/5.7/en/gis-wkb-functions.html
These functions take as arguments a BLOB containing a Well-Known Binary (WKB) representation and, optionally, a spatial reference system identifier (SRID). Other functions provide type-specific construction functions for construction of geometry ...
https://dev.mysql.com/doc/refman/5.7/en/version-tokens-installation.html
This section describes how to install or uninstall Version Tokens, which is implemented in a plugin library file containing a plugin and loadable functions. For general information about installing or uninstalling plugins and loadable functions, see ...To avoid this overhead, do not install it unless you plan to use ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-filter-definitions.html
The args item must satisfy these conditions: If the function takes no arguments, no args item should be given. If the function does take arguments, an args item is needed, and the arguments must be given in the order listed in the function ...For ...
https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html
column->path In MySQL 5.7.9 and later, the -> operator serves as an alias for the JSON_EXTRACT() function when used with two arguments, a column identifier on the left and a JSON path (a string literal) on the right that is evaluated against the ...
https://dev.mysql.com/doc/refman/5.7/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 12.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/5.7/en/json-functions.html
The functions described in this section perform operations on JSON values. For discussion of the JSON data type and additional examples showing how to use these functions, see Section 11.5, “The JSON Data Type”. For functions that take a JSON ...Arguments parsed as JSON are indicated by json_doc; arguments indicated by val are not ...
https://dev.mysql.com/doc/refman/5.7/en/spatial-analysis-functions.html
MySQL provides functions to perform various operations on spatial data.