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由 Heikki Linnakangas 提交于
This is similar to commit 51257848, but this time it was a Bitmap Index Scan node that was missing the Flow information. Fix by populating the Flow for Bitmap Index Scans. This class of bugs seem to happen pretty often, so make the explain code more defensives so that it does not crash if this happens again. In both of these bugs, the Flow information is only needed so that we can print the # of segments in the EXPLAIN output. That's not critical, so in production, it seems better to print possible incorrect information than crash. Keep the Assert, though, so that we still catch these in development. Fixes github issue https://github.com/greenplum-db/gpdb/issues/9404. Commit to 6X_STABLE, like the previous issue. Reviewed-by: NGeorgios Kokolatos <gkokolatos@pivotal.io> Reviewed-by: NNing Yu <nyu@pivotal.io>
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