https://dev.mysql.com/gis-general-property-functions.html
If any geometry argument has an SRID value that refers to an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error occurs. ST_IsSimple(g) Returns 1 if the geometry value g is simple according to the ISO SQL/MM Part 3: Spatial standard.
https://dev.mysql.com/gis-point-property-functions.html
For Point objects that have a geographic spatial reference system (SRS), the longitude and latitude may be obtained using the ST_Longitude() and ST_Latitude() functions, respectively. If any geometry argument has an SRID value that refers to an ...
https://dev.mysql.com/column-indexes.html
Index Prefixes FULLTEXT Indexes Spatial Indexes Indexes in the MEMORY Storage Engine With col_name(N) syntax in an index specification for a string column, you can create an index that uses only the first N characters of the column. Other storage ...
https://dev.mysql.com/gis-format-conversion-functions.html
If any geometry argument is in an undefined spatial reference system, the axes are output in the order they appear in the geometry and an ER_WARN_SRS_NOT_FOUND_AXIS_ORDER warning occurs. By default, geographic coordinates (latitude, longitude) are ... MySQL supports the functions listed in this section for converting geometry values from internal geometry format to WKT or WKB format, or for swapping the order of X and Y ...
https://dev.mysql.com/gis-polygon-property-functions.html
If any geometry argument has an SRID value that refers to an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error occurs. These functions are available for obtaining polygon properties: ST_Area({poly|mpoly}) Returns a double-precision ... Functions in this section return properties of Polygon or MultiPolygon ...
https://dev.mysql.com/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). Functions in this section detect arguments in either Cartesian or geographic spatial ...For ...
https://dev.mysql.com/gis-wkt-functions.html
These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier (SRID). Functions in this section detect arguments in either Cartesian or geographic spatial reference systems (SRSs), ...For a description of WKT format, see Well-Known Text (WKT) ...
https://dev.mysql.com/storage-requirements.html
InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage ...
https://dev.mysql.com/innodb-online-ddl-operations.html
Adding a SPATIAL index CREATE TABLE geom (g GEOMETRY NOT NULL); ALTER TABLE geom ADD SPATIAL INDEX(g), ALGORITHM=INPLACE, LOCK=SHARED; Adding the first FULLTEXT index rebuilds the table if there is no user-defined FTS_DOC_ID column. Online support ...
https://dev.mysql.com/innodb-physical-structure.html
With the exception of spatial indexes, InnoDB indexes are B-tree data structures. Spatial indexes use R-trees, which are specialized data structures for indexing multi-dimensional data. Index records are stored in the leaf pages of their B-tree or ...
