Prohibit types without default btree opclass in the target list #67
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Currently, types that does not have an equality operator cannot be used in the target list of the view definition, because all of target list entries are used for comparison to identify rows to be updated or deleted in the view. Previously, an error is raised at the time such view is incrementally maintained, this is fixed to check that at the view creation time. This restriction may be relaxed in future after we can use an index to identify rows in the view. Issue #61
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Currently, types that does not have an equality operator cannot be used in the target list of the view definition, because all of target list entries are used for comparison to identify rows to be updated or deleted in the view. Previously, an error is raised at the time such view is incrementally maintained, this is fixed to check that at the view creation time.
This restriction may be relaxed in future after we can use an index to identify rows in the view.
Issue #61