validatetopology_returntype
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## Name

validatetopology_returntype — A composite type that consists of an error message and id1 and id2 to denote location of error. This is the return type for `ValidateTopology`.

## Description

A composite type that consists of an error message and two integers. The ValidateTopology function returns a set of these to denote validation errors and the id1 and id2 to denote the ids of the topology objects involved in the error.

1. `error` is varchar: Denotes type of error.

   Current error descriptors are: coincident nodes, edge crosses node, edge not simple, edge end node geometry mis-match, edge start node geometry mismatch, face overlaps face,face within face,

2. `id1` is an integer: Denotes identifier of edge / face / nodes in error.

3. `id2` is an integer: For errors that involve 2 objects denotes the secondary edge / or node

## See Also

ValidateTopology

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