Rechercher dans le manuel MySQL

Search Results
MySQL 8.0 Reference Manual
Displaying 11 to 16 of 16 total results
11.5.4 Geometry Well-Formedness and Validity
https://dev.mysql.com/geometry-well-formedness-validity.html
For geometry values, MySQL distinguishes between the concepts of syntactically well-formed and geometrically valid. Spatial import functions that parse WKT or WKB values raise an error for attempts to create a geometry that is not syntactically ...
12.16.4 Functions That Create Geometry Values from WKB Values
https://dev.mysql.com/gis-wkb-functions.html
These functions are available for creating geometries from WKB values: ST_GeomCollFromWKB(wkb[, srid [, options]]), ST_GeometryCollectionFromWKB(wkb[, srid [, options]]) Constructs a GeometryCollection value using its WKB representation and SRID.
9.3 Keywords and Reserved Words
https://dev.mysql.com/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Reserved words are permitted as ...
25.27 The INFORMATION_SCHEMA ST_GEOMETRY_COLUMNS Table
https://dev.mysql.com/st-geometry-columns-table.html
Permitted values are: geometry, point, linestring, polygon, multipoint, multilinestring, multipolygon, geometrycollection. The ST_GEOMETRY_COLUMNS table provides information about table columns that store spatial data. This table is based on the ...
12.16.2 Argument Handling by Spatial Functions
https://dev.mysql.com/spatial-function-argument-handling.html
Empty geometry-collection handling is as follows: An empty WKT input geometry collection may be specified as 'GEOMETRYCOLLECTION()'. Spatial values, or geometries, have the properties described at Section 11.5.2.2, “Geometry Class”. Specific ...
12.16.1 Spatial Function Reference
https://dev.mysql.com/spatial-function-reference.html
The following table lists each spatial function and provides a short description of each one.

Find a PHP function

Document created the 26/06/2006, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/mysql-rf-fct-geometrycollection-p-2.html

The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.

References

  1. View the html document Language of the document:en Manuel MySQL : https://dev.mysql.com/

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

Contents Haut