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ApsaraDB RDS:ST_HasZ

Last Updated:Aug 02, 2023

This topic describes the ST_HasZ function. This function checks whether a geographic grid contains the z height dimension.

Syntax

bool ST_HasZ(geomgrid gridcode);

Parameters

Parameter

Description

gridcode

The geographic grid object.

Examples

SELECT ST_HasZ(ST_GridFromText('GZ0026206440'));
 st_hasz 
---------
 t