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17 lines
813 B
Plaintext
17 lines
813 B
Plaintext
{
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"name": "length",
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"type": "function",
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"description": "Returns the number of characters in a string or the length of a geometry linestring.",
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"variants": [
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{ "variant": "String variant",
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"variant_description": "Returns the number of characters in a string.",
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"arguments": [ {"arg":"string","description":"string to count length of"} ],
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"examples": [ { "expression":"length('hello')", "returns":"5"} ] },
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{
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"variant": "Geometry variant",
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"variant_description": "Calculate the length of a geometry line object. Calculations are in the Spatial Reference System of this geometry.",
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"arguments": [ {"arg":"geometry","description":"line geometry object"}],
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"examples": [ { "expression":"length(geom_from_wkt('LINESTRING(0 0, 4 0)'))", "returns":"4.0"}]
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}]
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}
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