unionarg
Name
unionarg — A composite type used as input into the ST_Union function defining the bands to be processed and behavior of the UNION operation.
Description
A composite type used as input into the ST_Union function defining the bands to be processed and behavior of the UNION operation.
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nband
integer -
1-based value indicating the band of each input raster to be processed.
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uniontype
text -
Type of UNION operation. One of defined types as described in ST_Union .