Special fields will not be included in the result by default but they may be explicitly included by adding them to the SELECT list. When …

The default is YES, to add features with lower dimension geometry, but only if the result layer has an unknown geometry type. This …

GDAL GDAL is a translator library for raster and vector geospatial data formats that is released under an MIT style Open Source …

The MS SQL Spatial driver passes SQL statements directly to MS SQL by default, rather than evaluating them internally when using …

The default report is in a human readable text format. It is possible to instead request xml output with the -xml switch. For scripting …

DEFAULT: perform a full analysis of the topological relationships between all rings, classifying them as shells or holes and …

The default is WARNING, which will cause the function to emit a warning but continue its processing. Setting it to ERROR will cause …