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11.5.8 Fetching Spatial Data
Geometry values stored in a table can be fetched in internal format. You can also convert them to WKT or WKB format.
Fetching spatial data in internal format:
Fetching geometry values using internal format can be useful in table-to-table transfers:
Fetching spatial data in WKT format:
The
ST_AsText()
function converts a geometry from internal format to a WKT string.Fetching spatial data in WKB format:
The
ST_AsBinary()
function converts a geometry from internal format to aBLOB
containing the WKB value.
Document created the 26/06/2006, last modified the 26/10/2018
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