[postgis-users] How can i interchange(swap) the values of a band in postgis raster

[Zelio Fernandes]

How can i interchange(swap) the values of a band in postgis raster.

for example if there are 4 raster bands in the raster table and suppose if
if i want to interchange the value of band1 with band2,
how do i do it ....i did not find any such specific function in postgis 2.0
.......can it be done using ST_SetValue???????

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