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https://dev.mysql.com/doc/refman/9.7/en/server-system-variables.html
have_geometry YES if the server supports spatial data types, NO if not. (These are used for spatial indexes in MyISAM tables.) have_statement_timeout System Variable have_statement_timeout Scope Global Dynamic No SET_VAR Hint Applies No Type Boolean ... The MySQL server maintains many system variables that affect its ...
https://dev.mysql.com/doc/refman/9.7/en/range-optimization.html
MySQL does not support merging multiple ranges for the range access method for spatial indexes. To work around this limitation, you can use a UNION with identical SELECT statements, except that you put each spatial predicate in a different SELECT.
https://dev.mysql.com/doc/refman/9.7/en/system-schema.html
It contains tables that store information required by the MySQL server as it runs. A broad categorization is that the mysql schema contains data dictionary tables that store database object metadata, and system tables used for other operational ...
https://dev.mysql.com/doc/refman/9.7/en/alter-table.html
| ADD {FULLTEXT | SPATIAL} [INDEX | KEY] [index_name] (key_part,...) [index_option] ... Changing the definition of a spatial column to remove the SRID attribute. ALTER TABLE tbl_name [alter_option [, alter_option] ...] [partition_options] ...
https://dev.mysql.com/doc/refman/9.7/en/partitioning-limitations.html
Columns with spatial data types such as POINT or GEOMETRY cannot be used in partitioned tables. This section discusses current restrictions and limitations on MySQL partitioning support. The following constructs are not permitted in partitioning ...
https://dev.mysql.com/doc/refman/9.7/en/glossary.html
R R-tree A tree data structure used for spatial indexing of multi-dimensional data such as geographical coordinates, rectangles or polygons. These terms are commonly used in information about the MySQL database server. Files with this extension are ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-table-reference.html
The following table summarizes all available INFORMATION_SCHEMA tables. For greater detail, see the individual table descriptions. Table 28.1 INFORMATION_SCHEMA Tables Table Name Description Deprecated ADMINISTRABLE_ROLE_AUTHORIZATIONS Grantable ...
https://dev.mysql.com/doc/refman/9.7/en/json-functions.html
A set of spatial functions for operating on GeoJSON values is also available. 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 ...
https://dev.mysql.com/doc/refman/9.7/en/json.html
A set of spatial functions for operating on GeoJSON values is also available. The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON columns. JSON ...
https://dev.mysql.com/doc/refman/9.7/en/miscellaneous-functions.html
The fifth number is an IEEE 802 node number that provides spatial uniqueness. The function return value and type are the same as the return value and type of its argument, but the function result is not checked for the ONLY_FULL_GROUP_BY SQL mode.