PolyFromText
POLYFROMTEXT(s string [, srid integer])
Alias: ST_POLYFROMTEXT
Returns a polygon that corresponds to the Well Known Text (WKT) in s. The SRID can optionally be specified. It is ‑1 by default.
Result type: geometry
Example:
SELECT ASTEXT(POLYFROMTEXT('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))'));
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col1
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POLYGON ((0 0, 0 10, 10 10, 10 0, 0 0))
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