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https://dev.mysql.com/doc/refman/5.7/en/gis-linestring-property-functions.html
(There is an existing SQL function Length() that calculates the length of string values.) GLength() is deprecated; expect it to be removed in a future MySQL release. You can extract particular points of a LineString, count the number of points that ...EndPoint() is deprecated; expect it to be removed in a future MySQL ...
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/gis-general-property-functions.html
The functions listed in this section do not restrict their argument and accept a geometry value of any type. mysql> SELECT ST_Dimension(ST_GeomFromText('LineString(1 1,2 2)')); +------------------------------------------------------+ | ...
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.
https://dev.mysql.com/doc/refman/5.7/en/spatial-function-argument-handling.html
Specific functions or groups of functions may have additional or different argument-handling characteristics, as discussed in the sections where those function descriptions occur. Geometry values produced by any spatial function inherit the SRID of ... Spatial values, or geometries, have the properties described in Section 11.4.2.2, “Geometry ...
https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-function-reference.html
Table 6.36 MySQL Enterprise Encryption Functions Name Description asymmetric_decrypt() Decrypt ciphertext using private or public key asymmetric_derive() Derive symmetric key from asymmetric keys asymmetric_encrypt() Encrypt cleartext using private ...
https://dev.mysql.com/doc/refman/5.7/en/json-function-reference.html
Table 12.22 JSON Functions Name Description Introduced Deprecated -> Return value from JSON column after evaluating path; equivalent to JSON_EXTRACT(). Also beginning with MySQL 5.7.22: “pretty-printing” of JSON values in an easy-to-read format ...->> Return value from JSON column after evaluating path and unquoting the result; equivalent to ...