Changes between Version 32 and Version 33 of DevWikiEmptyGeometry


Ignore:
Timestamp:
11/29/10 05:58:51 (14 years ago)
Author:
strk
Comment:

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  • DevWikiEmptyGeometry

    v32 v33  
    1010   *   fabian thinks this should be empty
    1111     * In set theory, A ∩ ∅ = ∅
     12   * strk agrees with fabian
    1213 * ST_Intersection(empty, empty) == empty
    1314 * ST_Difference(geometry, empty) == geometry
     
    2223   *   fabian thinks this should be TRUE
    2324     * In set theory, every set contains ∅
     25   * strk agrees with fabian
    2426 * ST_Within(geometry, empty) == FALSE (SQL Server says False)
    2527 * ST_Contains(empty, geometry) == FALSE (SQL Server says False)
     
    2729   *   fabian thinks this should be TRUE
    2830     * In set theory, every set contains ∅
     31   * strk agrees with fabian
    2932 * ST_Contains(empty, empty) == FALSE (SQL Server says False)
    3033 * ST_Intersects(geometry, empty) == FALSE