No cache version.

Caching disabled. Default setting for this page:enabled (code DEF204)
If the display is too slow, you can disable the user mode to view the cached version.

Rechercher dans le manuel MySQL

Search Results
MySQL 8.0 Reference Manual
Displaying 11 to 18 of 18 total results
12.16.6 Geometry Format Conversion Functions
https://dev.mysql.com/gis-format-conversion-functions.html
mysql> SET @g = 'LineString(1 1,2 2,3 3)'; mysql> SELECT ST_AsText(ST_GeomFromText(@g)); +--------------------------------+ | ST_AsText(ST_GeomFromText(@g)) | +--------------------------------+ | LINESTRING(1 1,2 2,3 3) | ... MySQL supports the ...
12.16.5 MySQL-Specific Functions That Create Geometry Values
https://dev.mysql.com/gis-mysql-specific-functions.html
MultiPoint(pt [, pt2] ...) Constructs a MultiPoint value using Point or WKB Point arguments. MySQL provides a set of useful nonstandard functions for creating geometry values. The functions described in this section are MySQL extensions to the ...
11.5.1 Spatial Data Types
https://dev.mysql.com/spatial-type-overview.html
The other spatial data types hold collections of values: MULTIPOINT MULTILINESTRING MULTIPOLYGON GEOMETRYCOLLECTION GEOMETRYCOLLECTION can store a collection of objects of any type. The other collection types (MULTIPOINT, MULTILINESTRING, and ...
11.5.2.8 GeometryCollection Class
https://dev.mysql.com/gis-class-geometrycollection.html
Restrictions may be based on: Element type (for example, a MultiPoint may contain only Point elements) Dimension Constraints on the degree of spatial overlap between elements . A GeomCollection is a geometry that is a collection of zero or more ...
12.16.7.4 Polygon and MultiPolygon Property Functions
https://dev.mysql.com/gis-polygon-property-functions.html
Such components are extracted and made into a single MultiPolygon, MultiLineString, or MultiPoint for centroid computation. Functions in this section return properties of Polygon or MultiPolygon values. Unless otherwise specified, functions in this ...
12.16.4 Functions That Create Geometry Values from WKB Values
https://dev.mysql.com/gis-wkb-functions.html
ST_MPointFromWKB(wkb[, srid [, options]]), ST_MultiPointFromWKB(wkb[, srid [, options]]) Constructs a MultiPoint value using its WKB representation and SRID. These functions take as arguments a BLOB containing a Well-Known Binary (WKB) ...
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 ...

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-multipoint-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