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标题: ORA-54521: inner ring is not inside or is touching outer ring more than once [打印本页]

作者: 曾春华    时间: 2016-9-4 09:42
标题: ORA-54521: inner ring is not inside or is touching outer ring more than once
ORA-54521: inner ring is not inside or istouching outer ring more than once
Cause: An inner ring either was notinside its outer ring or touched its outer ring
more than once.
Action: Ensure that the inner ring isinside its outer ring and does not touch the
outer ring more than once. If an inner ring touches itsouter ring more than once,
then the outer ring is no longer a topologically simpleor singly connected polygon
(ring).






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