DFS - Category - pgRouting Manual (3.4)
DFS - Category
Traversal using Depth First Search.
Proposed
Warning
Proposed functions for next mayor release.
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They are not officially in the current release.
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They will likely officially be part of the next mayor release:
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The functions make use of ANY-INTEGER and ANY-NUMERICAL
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Name might not change. (But still can)
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Signature might not change. (But still can)
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Functionality might not change. (But still can)
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pgTap tests have being done. But might need more.
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Documentation might need refinement.
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pgr_depthFirstSearch - Proposed - Depth first search traversal of the graph.
In general:
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It’s implementation is only on undirected graph.
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Process is done only on edges with positive costs.
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When the graph is connected
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The resulting edges make up a tree
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When the graph is not connected,
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Finds a minimum spanning tree for each connected component.
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The resulting edges make up a forest.
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See Also
Indices and tables