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{
"name": "start_point",
"type": "function",
"description": "Returns the first node from a geometry.",
"arguments": [ {"arg":"geometry","description":"geometry object"} ],
"examples": [ { "expression":"geom_to_wkt(start_point(geom_from_wkt('LINESTRING(4 0, 4 2, 0 2)')))", "returns":"'Point (4 0)'"}]
}