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https://dev.mysql.com/st-spatial-reference-systems-table.html
The ST_SPATIAL_REFERENCE_SYSTEMS table provides information about available spatial reference systems for spatial data. Entries in the ST_SPATIAL_REFERENCE_SYSTEMS table are based on the European Petroleum Survey Group (EPSG) data set, except for ...SRS definition parsing occurs on demand when definitions are needed by GIS ...
https://dev.mysql.com/spatial-geohash-functions.html
If any SRID argument refers to an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error occurs. Geohash is a system for encoding latitude and longitude coordinates of arbitrary precision into a text string. Geohash values are strings ...
https://dev.mysql.com/spatial-relation-functions.html
The functions described in this section take two geometries as arguments and return a qualitative or quantitative relation between them. MySQL implements two sets of functions using function names defined by the OpenGIS specification. One set tests ...
https://dev.mysql.com/server-error-reference.html
Geometry values passed as arguments to spatial functions must have the same SRID value. A spatial function was called with a combination of argument types that the function does not support. A spatial function was called with an argument not ... The ...
https://dev.mysql.com/create-index.html
CREATE [UNIQUE | FULLTEXT | SPATIAL] INDEX index_name [index_type] ON tbl_name (key_part,...) [index_option] [algorithm_option | lock_option] ... As of MySQL 8.0.12, ASC and DESC are not permitted for SPATIAL indexes. (USING BTREE is supported as ...This guideline is especially important for InnoDB tables, where the primary key determines the physical layout of rows in the data ...
https://dev.mysql.com/gis-data-formats.html
Two standard spatial data formats are used to represent geometry objects in queries: Well-Known Text (WKT) format Well-Known Binary (WKB) format Internally, MySQL stores geometry values in a format that is not identical to either WKT or WKB format.
https://dev.mysql.com/upgrading-from-previous-series.html
As of MySQL 8.0.3, spatial data types permit an SRID attribute, to explicitly indicate the spatial reference system (SRS) for values stored in the column. A spatial column with an explicit SRID attribute is SRID-restricted: The column takes only ...
https://dev.mysql.com/innodb-locking.html
Shared and Exclusive Locks Intention Locks Record Locks Gap Locks Next-Key Locks Insert Intention Locks AUTO-INC Locks Predicate Locks for Spatial Indexes InnoDB implements standard row-level locking where there are two types of locks, shared (S) ...
https://dev.mysql.com/create-table.html
Spatial types are supported only for InnoDB and MyISAM tables, and indexed columns must be declared as NOT NULL. Columns using BLOB, TEXT, SET, ENUM, BIT, or spatial data types are not permitted; columns that use floating-point number types are also ... CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name (create_definition,...) [table_options] [partition_options] CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [partition_options] [IGNORE | REPLACE] [AS] query_expression CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name { LIKE old_tbl_name | (LIKE old_tbl_name) } create_definition: col_name column_definition | {INDEX|KEY} [index_name] [index_type] (key_part,...) [index_option] ...
https://dev.mysql.com/columns-table.html
The related ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. It contains the column SRID value that indicates the spatial reference system for values stored in the column. See Section 11.5.1, “Spatial ...
Document created the 26/06/2006, last modified the 26/10/2018
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