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Doc - Fix/improve graph traversal/background indexing pages, console.history and examples/options (#8336)
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@ -57,7 +57,7 @@ FOR vertex[, edge[, path]]
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the search will not continue from this path, namely there will be no
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result having this path as a prefix.
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e.g.: Take the path: `(A) -> (B) -> (C)` starting at `A` and PRUNE on `B`
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will result in `(A)` and `(A) -> (B)` beeing valid paths, and `(A) -> (B) -> (C)`
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will result in `(A)` and `(A) -> (B)` being valid paths, and `(A) -> (B) -> (C)`
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not returned, it got pruned on B.
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* If the condition evaluates to `false` we will continue our search beyond
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this path.
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@ -67,6 +67,12 @@ FOR vertex[, edge[, path]]
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as well as all variables defined before this Traversal statement.
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- `OPTIONS` **options** (object, *optional*): used to modify the execution of the
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traversal. Only the following attributes have an effect, all others are ignored:
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- **bfs** (bool): optionally use the alternative breadth-first traversal algorithm
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- true – the traversal will be executed breadth-first. The results will first
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contain all vertices at depth 1. Than all vertices at depth 2 and so on.
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- false (default) – the traversal will be executed depth-first. It will first
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return all paths from *min* depth to *max* depth for one vertex at depth 1.
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Than for the next vertex at depth 1 and so on.
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- **uniqueVertices** (string): optionally ensure vertex uniqueness
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- "path" – it is guaranteed that there is no path returned with a duplicate vertex
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- "global" – it is guaranteed that each vertex is visited at most once during
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@ -75,18 +81,14 @@ FOR vertex[, edge[, path]]
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might not be returned at all (it still might be part of a path). **Note:**
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Using this configuration the result is not deterministic any more. If there
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are multiple paths from *startVertex* to *vertex*, one of those is picked.
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It is required to set `bfs: true` because with depth-first search the results
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would be unpredictable.
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- "none" (default) – no uniqueness check is applied on vertices
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- **uniqueEdges** (string): optionally ensure edge uniqueness
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- "path" (default) – it is guaranteed that there is no path returned with a
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duplicate edge
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- "none" – no uniqueness check is applied on edges. **Note:**
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Using this configuration the traversal will follow cycles in edges.
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- **bfs** (bool): optionally use the alternative breadth-first traversal algorithm
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- true – the traversal will be executed breadth-first. The results will first
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contain all vertices at depth 1. Than all vertices at depth 2 and so on.
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- false (default) – the traversal will be executed depth-first. It will first
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return all paths from *min* depth to *max* depth for one vertex at depth 1.
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Than for the next vertex at depth 1 and so on.
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Using this configuration the traversal will follow edges in cycles.
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### Working with collection sets
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@ -156,7 +158,9 @@ combined filters cannot.
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The following examples are based on the [traversal graph](../../Manual/Graphs/index.html#the-traversal-graph).
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### Pruning (since version 3.4.5)
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### Pruning
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<small>Introduced in: v3.4.5</small>
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Pruning is the easiest variant to formulate conditions to reduce the amount of data
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to be checked during a search. So it allows to improve query performance and reduces
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@ -165,7 +169,7 @@ vertex, the edge and the path and any variable defined before.
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See examples:
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@startDocuBlockInline GRAPHTRAV_graphPruneEdges
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@EXAMPLE_AQL{GRAPHTRAV_graphFilterEdges}
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@EXAMPLE_AQL{GRAPHTRAV_graphPruneEdges}
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@DATASET{traversalGraph}
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FOR v, e, p IN 1..5 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
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PRUNE e.theTruth == true
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@ -173,14 +177,14 @@ See examples:
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@END_EXAMPLE_AQL
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@endDocuBlock GRAPHTRAV_graphPruneEdges
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This will search until it sees an edge having `theTruth == true`.
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The path with this edge will be returned, the search will not
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continue after this edge.
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Namely all responses either have no edge with `theTruth == true`
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or the last edge on the path has `theTruth == true`.
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This will search until it sees an edge having `theTruth == true`.
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The path with this edge will be returned, the search will not
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continue after this edge.
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Namely all responses either have no edge with `theTruth == true`
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or the last edge on the path has `theTruth == true`.
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@startDocuBlockInline GRAPHTRAV_graphPruneVertices
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@EXAMPLE_AQL{GRAPHTRAV_graphFilterEdges}
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@EXAMPLE_AQL{GRAPHTRAV_graphPruneVertices}
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@DATASET{traversalGraph}
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FOR v, e, p IN 1..5 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
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PRUNE v._key == 'G'
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@ -189,18 +193,18 @@ See examples:
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@END_EXAMPLE_AQL
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@endDocuBlock GRAPHTRAV_graphPruneVertices
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This will search for all paths from the source `circles/A` to the vertex `circles/G`.
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This is done with first the PRUNE which makes sure we stop search as soon as we have found
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`G` and we will not go beyond `G` and via a loop return to it.
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With the second filter, we remove all paths that do not end in `G` namely
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all shorter ones that have not been cut out by prune.
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Hence the list of all paths from `A` to `G` are returned.
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This will search for all paths from the source `circles/A` to the vertex `circles/G`.
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This is done with first the PRUNE which makes sure we stop search as soon as we have found
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`G` and we will not go beyond `G` and via a loop return to it.
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With the second filter, we remove all paths that do not end in `G` namely
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all shorter ones that have not been cut out by prune.
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Hence the list of all paths from `A` to `G` are returned.
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Note you can also prune as soon as you reach a certain collection with the following
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example:
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@startDocuBlockInline GRAPHTRAV_graphPruneCollection
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@EXAMPLE_AQL{GRAPHTRAV_graphFilterEdges}
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@EXAMPLE_AQL{GRAPHTRAV_graphPruneCollection}
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@DATASET{traversalGraph}
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FOR v, e, p IN 1..5 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
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PRUNE IS_SAME_COLLECTION('circles', v)
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@ -315,7 +319,7 @@ All of the above filters can be defined on vertices in the exact same way.
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Filtering on the path influences the Iteration on your graph. If certain conditions
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aren't met, the traversal may stop continuing along this path.
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In contrast filters on vertex or edge only express whether you're interestet in the actual value of these
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In contrast filters on vertex or edge only express whether you're interested in the actual value of these
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documents. Thus, it influences the list of returned documents (if you return v or e) similar
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as specifying a non-null `min` value. If you specify a min value of 2, the traversal over the first
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two nodes of these paths has to be executed - you just won't see them in your result array.
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@ -323,7 +327,6 @@ two nodes of these paths has to be executed - you just won't see them in your re
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Similar are filters on vertices or edges - the traverser has to walk along these nodes, since
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you may be interested in documents further down the path.
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### Examples
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We will create a simple symmetric traversal demonstration graph:
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@ -399,14 +402,18 @@ side of the graph, we may filter in two ways:
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@startDocuBlockInline GRAPHTRAV_04_traverse_4a
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@EXAMPLE_AQL{GRAPHTRAV_04_traverse_4a}
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@DATASET{traversalGraph}
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FOR v, e, p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph' FILTER p.vertices[1]._key != 'G' RETURN v._key
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FOR v, e, p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
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FILTER p.vertices[1]._key != 'G'
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RETURN v._key
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@END_EXAMPLE_AQL
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@endDocuBlock GRAPHTRAV_04_traverse_4a
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@startDocuBlockInline GRAPHTRAV_04_traverse_4b
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@EXAMPLE_AQL{GRAPHTRAV_04_traverse_4b}
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@DATASET{traversalGraph}
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FOR v, e, p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph' FILTER p.edges[0].label != 'right_foo' RETURN v._key
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FOR v, e, p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
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FILTER p.edges[0].label != 'right_foo'
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RETURN v._key
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@END_EXAMPLE_AQL
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@endDocuBlock GRAPHTRAV_04_traverse_4b
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@ -502,7 +509,6 @@ traversal queries using [the explainer](../ExecutionAndPerformance/Optimizer.md)
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@END_EXAMPLE_AQL
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@endDocuBlock GRAPHTRAV_07_traverse_7
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@startDocuBlockInline GRAPHTRAV_07_traverse_8
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@EXAMPLE_AQL{GRAPHTRAV_07_traverse_8}
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@DATASET{traversalGraph}
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@ -530,7 +536,6 @@ And finally clean it up again:
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@END_EXAMPLE_ARANGOSH_OUTPUT
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@endDocuBlock GRAPHTRAV_99_drop_graph
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If this traversal is not powerful enough for your needs, like you cannot describe
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your conditions as AQL filter statements, then you might want to have a look at
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[manually crafted traversers](../../Manual/Graphs/Traversals/index.html).
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@ -26,7 +26,7 @@ Creating new indexes is by default done under an exclusive collection lock. The
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available while the index is being created. This "foreground" index creation can be undesirable,
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if you have to perform it on a live system without a dedicated maintenance window.
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For potentially long running index creation operations the _rocksdb_ storage-engine also supports
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For potentially long running index creation operations the _RocksDB_ storage-engine also supports
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creating indexes in "background". The collection remains (mostly) available during the index creation,
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see the section [Creating Indexes in Background](#creating-indexes-in-background) for more information.
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@ -607,8 +607,10 @@ for highly connected graphs and with RocksDB storage engine.
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Creating Indexes in Background
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------------------------------
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<small>Introduced in: v3.5.0</small>
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{% hint 'info' %}
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This section only applies to the *rocksdb* storage engine
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Background indexing is available for the *RocksDB* storage engine only.
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{% endhint %}
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Creating new indexes is by default done under an exclusive collection lock. This means
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@ -616,7 +618,7 @@ that the collection (or the respective shards) are not available for write opera
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as long as the index is created. This "foreground" index creation can be undesirable,
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if you have to perform it on a live system without a dedicated maintenance window.
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**STARTING FROM VERSION v3.5.0**, indexes can also be created in "background", not using an
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Indexes can also be created in "background", not using an
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exclusive lock during the entire index creation. The collection remains basically available,
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so that other CRUD operations can run on the collection while the index is being created.
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This can be achieved by setting the *inBackground* attribute when creating an index.
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@ -651,7 +653,8 @@ work as before.
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{% hint 'info' %}
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Should you be building an index in the background you cannot rename or drop the collection.
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These operations will block until the index creation is finished.
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These operations will block until the index creation is finished. This is equally the case
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with foreground indexing.
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{% endhint %}
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After an interrupted index build (i.e. due to a server crash) the partially built index
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@ -85,8 +85,8 @@ client programs can thus safely set the *inBackground* option to *true* and cont
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work as before.
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Should you be building an index in the background you cannot rename or drop the collection.
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These operations will block until the index creation is finished.
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{% endhint %}
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These operations will block until the index creation is finished. This is equally the case
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with foreground indexing.
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After an interrupted index build (i.e. due to a server crash) the partially built index
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will the removed. In the ArangoDB cluster the index might then be automatically recreated
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@ -5,171 +5,171 @@ arangosh> db.circles.toArray();
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{
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"_key" : "I",
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"_id" : "circles/I",
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"_rev" : "_YOn1Fju--J",
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"_rev" : "_YT2FO_e--_",
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"label" : "9"
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},
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{
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"_key" : "G",
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"_id" : "circles/G",
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"_rev" : "_YOn1Fju--F",
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"_rev" : "_YT2FO_a--B",
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"label" : "7"
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},
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{
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"_key" : "F",
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"_id" : "circles/F",
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"_rev" : "_YOn1Fju--D",
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"_rev" : "_YT2FO_a--_",
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"label" : "6"
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},
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{
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"_key" : "A",
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"_id" : "circles/A",
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"_rev" : "_YOn1Fjq--_",
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"_rev" : "_YT2FO_S--_",
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"label" : "1"
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},
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{
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"_key" : "E",
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"_id" : "circles/E",
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"_rev" : "_YOn1Fju--B",
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"_rev" : "_YT2FO_W--B",
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"label" : "5"
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},
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{
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"_key" : "C",
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"_id" : "circles/C",
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"_rev" : "_YOn1Fjq--D",
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"_rev" : "_YT2FO_S--D",
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"label" : "3"
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},
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{
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"_key" : "D",
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"_id" : "circles/D",
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"_rev" : "_YOn1Fju--_",
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"_rev" : "_YT2FO_W--_",
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"label" : "4"
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},
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{
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"_key" : "J",
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"_id" : "circles/J",
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"_rev" : "_YOn1Fjy--_",
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"_rev" : "_YT2FO_e--B",
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"label" : "10"
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},
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{
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"_key" : "B",
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"_id" : "circles/B",
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"_rev" : "_YOn1Fjq--B",
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"_rev" : "_YT2FO_S--B",
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"label" : "2"
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},
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{
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"_key" : "H",
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"_id" : "circles/H",
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"_rev" : "_YOn1Fju--H",
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"_rev" : "_YT2FO_a--D",
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"label" : "8"
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},
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{
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"_key" : "K",
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"_id" : "circles/K",
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"_rev" : "_YOn1Fjy--B",
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"_rev" : "_YT2FO_e--D",
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"label" : "11"
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}
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]
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arangosh> db.edges.toArray();
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[
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{
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"_key" : "98585",
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"_id" : "edges/98585",
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"_from" : "circles/G",
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"_to" : "circles/J",
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"_rev" : "_YOn1Fj2--D",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "right_zip"
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},
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{
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"_key" : "98573",
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"_id" : "edges/98573",
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"_from" : "circles/E",
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"_to" : "circles/F",
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"_rev" : "_YOn1Fjy--L",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "left_schubi"
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},
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{
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"_key" : "98588",
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"_id" : "edges/98588",
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"_from" : "circles/J",
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"_to" : "circles/K",
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"_rev" : "_YOn1Fj2--F",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "right_zup"
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},
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{
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"_key" : "98570",
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"_id" : "edges/98570",
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"_from" : "circles/B",
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"_to" : "circles/E",
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"_rev" : "_YOn1Fjy--J",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "left_blub"
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},
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{
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"_key" : "98582",
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"_id" : "edges/98582",
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"_from" : "circles/H",
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"_to" : "circles/I",
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"_rev" : "_YOn1Fj2--B",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "right_blub"
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},
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{
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"_key" : "98576",
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"_id" : "edges/98576",
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"_from" : "circles/A",
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"_to" : "circles/G",
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"_rev" : "_YOn1Fjy--N",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "right_foo"
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},
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{
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"_key" : "98567",
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"_id" : "edges/98567",
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"_from" : "circles/C",
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"_to" : "circles/D",
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"_rev" : "_YOn1Fjy--H",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "left_blorg"
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},
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{
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"_key" : "98579",
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"_id" : "edges/98579",
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"_from" : "circles/G",
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"_to" : "circles/H",
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"_rev" : "_YOn1Fj2--_",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "right_blob"
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},
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{
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"_key" : "98564",
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"_id" : "edges/98564",
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"_key" : "98575",
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"_id" : "edges/98575",
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"_from" : "circles/B",
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"_to" : "circles/C",
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"_rev" : "_YOn1Fjy--F",
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"_rev" : "_YT2FO_i--B",
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"theFalse" : false,
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"theTruth" : true,
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"label" : "left_blarg"
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},
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{
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"_key" : "98560",
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"_id" : "edges/98560",
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"_key" : "98581",
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"_id" : "edges/98581",
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"_from" : "circles/B",
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"_to" : "circles/E",
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"_rev" : "_YT2FO_m--B",
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"theFalse" : false,
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"theTruth" : true,
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||||
"label" : "left_blub"
|
||||
},
|
||||
{
|
||||
"_key" : "98584",
|
||||
"_id" : "edges/98584",
|
||||
"_from" : "circles/E",
|
||||
"_to" : "circles/F",
|
||||
"_rev" : "_YT2FO_m--D",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "left_schubi"
|
||||
},
|
||||
{
|
||||
"_key" : "98599",
|
||||
"_id" : "edges/98599",
|
||||
"_from" : "circles/J",
|
||||
"_to" : "circles/K",
|
||||
"_rev" : "_YT2FO_u--B",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "right_zup"
|
||||
},
|
||||
{
|
||||
"_key" : "98596",
|
||||
"_id" : "edges/98596",
|
||||
"_from" : "circles/G",
|
||||
"_to" : "circles/J",
|
||||
"_rev" : "_YT2FO_u--_",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "right_zip"
|
||||
},
|
||||
{
|
||||
"_key" : "98593",
|
||||
"_id" : "edges/98593",
|
||||
"_from" : "circles/H",
|
||||
"_to" : "circles/I",
|
||||
"_rev" : "_YT2FO_q--D",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "right_blub"
|
||||
},
|
||||
{
|
||||
"_key" : "98587",
|
||||
"_id" : "edges/98587",
|
||||
"_from" : "circles/A",
|
||||
"_to" : "circles/G",
|
||||
"_rev" : "_YT2FO_q--_",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "right_foo"
|
||||
},
|
||||
{
|
||||
"_key" : "98571",
|
||||
"_id" : "edges/98571",
|
||||
"_from" : "circles/A",
|
||||
"_to" : "circles/B",
|
||||
"_rev" : "_YOn1Fjy--D",
|
||||
"_rev" : "_YT2FO_i--_",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "left_bar"
|
||||
},
|
||||
{
|
||||
"_key" : "98578",
|
||||
"_id" : "edges/98578",
|
||||
"_from" : "circles/C",
|
||||
"_to" : "circles/D",
|
||||
"_rev" : "_YT2FO_m--_",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "left_blorg"
|
||||
},
|
||||
{
|
||||
"_key" : "98590",
|
||||
"_id" : "edges/98590",
|
||||
"_from" : "circles/G",
|
||||
"_to" : "circles/H",
|
||||
"_rev" : "_YT2FO_q--B",
|
||||
"theFalse" : false,
|
||||
"theTruth" : true,
|
||||
"label" : "right_blob"
|
||||
}
|
||||
]
|
||||
arangosh> print("once you don't need them anymore, clean them up:");
|
||||
|
|
|
|||
|
|
@ -1,5 +1,7 @@
|
|||
@Q:
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.3</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span> FILTER p.vertices[<span class="hljs-number">1</span>]._key != <span class="hljs-string">'G'</span> RETURN v._key
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.3</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
|
||||
FILTER p.vertices[<span class="hljs-number">1</span>]._key != <span class="hljs-string">'G'</span>
|
||||
RETURN v._key
|
||||
|
||||
@R
|
||||
[
|
||||
|
|
|
|||
|
|
@ -1,5 +1,7 @@
|
|||
@Q:
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.3</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span> FILTER p.edges[<span class="hljs-number">0</span>].label != <span class="hljs-string">'right_foo'</span> RETURN v._key
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.3</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
|
||||
FILTER p.edges[<span class="hljs-number">0</span>].label != <span class="hljs-string">'right_foo'</span>
|
||||
RETURN v._key
|
||||
|
||||
@R
|
||||
[
|
||||
|
|
|
|||
|
|
@ -5,38 +5,38 @@
|
|||
RETURN v._key
|
||||
|
||||
@R
|
||||
<span style="color:rgb(85,85,255)">Query String:</span>
|
||||
<span style="color:rgb(0,187,0)"> FOR v,e,p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
|
||||
Query String:
|
||||
FOR v,e,p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
|
||||
LET localScopeVar = RAND() > 0.5
|
||||
FILTER p.edges[0].theTruth != localScopeVar
|
||||
RETURN v._key
|
||||
</span>
|
||||
|
||||
<span style="color:rgb(85,85,255)">Execution plan:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">NodeType</span> <span style="color:rgb(187,0,187)">Est.</span> <span style="color:rgb(187,0,187)">Comment</span>
|
||||
<span style="color:rgb(187,187,0)">1</span> <span style="color:rgb(0,187,187)">SingletonNode</span> <span style="color:rgb(0,187,0)">1</span> * <span style="color:rgb(0,187,187)">ROOT</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">TraversalNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">FOR </span><span style="color:rgb(187,187,0)">v</span> <span style="color:rgb(0,0,187)">/* vertex */</span>, <span style="color:rgb(187,187,0)">p</span> <span style="color:rgb(0,0,187)">/* paths */</span> <span style="color:rgb(0,187,187)">IN</span> <span style="color:rgb(0,187,0)">1..3</span> <span style="color:rgb(0,0,187)">/* min..maxPathDepth */</span> <span style="color:rgb(0,187,187)">OUTBOUND</span> '<span style="color:rgb(0,187,0)">circles/A</span>' <span style="color:rgb(0,0,187)">/* startnode */</span> <span style="color:rgb(0,187,187)">GRAPH</span> '<span style="color:rgb(0,187,0)">traversalGraph</span>'
|
||||
<span style="color:rgb(187,187,0)">3</span> <span style="color:rgb(0,187,187)">CalculationNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">LET</span> <span style="color:rgb(187,187,0)">localScopeVar</span> = (<span style="color:rgb(0,187,0)">RAND</span>() > <span style="color:rgb(0,187,0)">0.5</span>) <span style="color:rgb(0,0,187)">/* simple expression */</span>
|
||||
<span style="color:rgb(187,187,0)">4</span> <span style="color:rgb(0,187,187)">CalculationNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">LET</span> <span style="color:rgb(187,0,187)">#6</span> = (<span style="color:rgb(187,187,0)">p</span>.`<span style="color:rgb(187,187,0)">edges</span>`[<span style="color:rgb(0,187,0)">0</span>].`<span style="color:rgb(187,187,0)">theTruth</span>` != <span style="color:rgb(187,187,0)">localScopeVar</span>) <span style="color:rgb(0,0,187)">/* simple expression */</span>
|
||||
<span style="color:rgb(187,187,0)">5</span> <span style="color:rgb(0,187,187)">FilterNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">FILTER</span> <span style="color:rgb(187,0,187)">#6</span>
|
||||
<span style="color:rgb(187,187,0)">6</span> <span style="color:rgb(0,187,187)">CalculationNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">LET</span> <span style="color:rgb(187,0,187)">#8</span> = <span style="color:rgb(187,187,0)">v</span>.`<span style="color:rgb(187,187,0)">_key</span>` <span style="color:rgb(0,0,187)">/* attribute expression */</span>
|
||||
<span style="color:rgb(187,187,0)">7</span> <span style="color:rgb(0,187,187)">ReturnNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">RETURN</span> <span style="color:rgb(187,0,187)">#8</span>
|
||||
|
||||
<span style="color:rgb(85,85,255)">Indexes used:</span>
|
||||
<span style="color:rgb(187,0,187)">By</span> <span style="color:rgb(187,0,187)">Type</span> <span style="color:rgb(187,0,187)">Collection</span> <span style="color:rgb(187,0,187)">Unique</span> <span style="color:rgb(187,0,187)">Sparse</span> <span style="color:rgb(187,0,187)">Selectivity</span> <span style="color:rgb(187,0,187)">Fields</span> <span style="color:rgb(187,0,187)">Ranges</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">edge</span> <span style="color:rgb(187,0,0)">edges</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">n/a</span> [ `<span style="color:rgb(187,187,0)">_from</span>`, `<span style="color:rgb(187,187,0)">_to</span>` ] <span style="color:rgb(0,187,187)">base OUTBOUND</span>
|
||||
Execution plan:
|
||||
Id NodeType Est. Comment
|
||||
1 SingletonNode 1 * ROOT
|
||||
2 TraversalNode 1 - FOR v /* vertex */, p /* paths */ IN 1..3 /* min..maxPathDepth */ OUTBOUND 'circles/A' /* startnode */ GRAPH 'traversalGraph'
|
||||
3 CalculationNode 1 - LET localScopeVar = (RAND() > 0.5) /* simple expression */
|
||||
4 CalculationNode 1 - LET #6 = (p.`edges`[0].`theTruth` != localScopeVar) /* simple expression */
|
||||
5 FilterNode 1 - FILTER #6
|
||||
6 CalculationNode 1 - LET #8 = v.`_key` /* attribute expression */
|
||||
7 ReturnNode 1 - RETURN #8
|
||||
|
||||
<span style="color:rgb(85,85,255)">Functions used:</span>
|
||||
<span style="color:rgb(187,0,187)">Name</span> <span style="color:rgb(187,0,187)">Deterministic</span> <span style="color:rgb(187,0,187)">Cacheable</span> <span style="color:rgb(187,0,187)">Uses V8</span>
|
||||
<span style="color:rgb(187,187,0)">RAND</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">false</span>
|
||||
Indexes used:
|
||||
By Type Collection Unique Sparse Selectivity Fields Ranges
|
||||
2 edge edges false false n/a [ `_from`, `_to` ] base OUTBOUND
|
||||
|
||||
<span style="color:rgb(85,85,255)">Traversals on graphs:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">Depth</span> <span style="color:rgb(187,0,187)">Vertex collections</span> <span style="color:rgb(187,0,187)">Edge collections</span> <span style="color:rgb(187,0,187)">Options</span> <span style="color:rgb(187,0,187)">Filter conditions</span>
|
||||
2 1..3 <span style="color:rgb(187,0,0)">circles</span> <span style="color:rgb(187,0,0)">edges</span> <span style="color:rgb(0,187,187)">uniqueVertices</span>: <span style="color:rgb(0,187,0)">none</span>, <span style="color:rgb(0,187,187)">uniqueEdges</span>: <span style="color:rgb(0,187,0)">path</span>
|
||||
Functions used:
|
||||
Name Deterministic Cacheable Uses V8
|
||||
RAND false false false
|
||||
|
||||
<span style="color:rgb(85,85,255)">Optimization rules applied:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">RuleName</span>
|
||||
<span style="color:rgb(187,187,0)">1</span> <span style="color:rgb(0,187,187)">move-calculations-up</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">optimize-traversals</span>
|
||||
<span style="color:rgb(187,187,0)">3</span> <span style="color:rgb(0,187,187)">move-calculations-down</span>
|
||||
Traversals on graphs:
|
||||
Id Depth Vertex collections Edge collections Options Filter / Prune Conditions
|
||||
2 1..3 circles edges uniqueVertices: none, uniqueEdges: path
|
||||
|
||||
Optimization rules applied:
|
||||
Id RuleName
|
||||
1 move-calculations-up
|
||||
2 optimize-traversals
|
||||
3 move-calculations-down
|
||||
|
||||
|
|
|
|||
|
|
@ -4,36 +4,36 @@
|
|||
RETURN v._key
|
||||
|
||||
@R
|
||||
<span style="color:rgb(85,85,255)">Query String:</span>
|
||||
<span style="color:rgb(0,187,0)"> FOR v,e,p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
|
||||
Query String:
|
||||
FOR v,e,p IN 1..3 OUTBOUND 'circles/A' GRAPH 'traversalGraph'
|
||||
FILTER p.edges[0].label == 'right_foo'
|
||||
RETURN v._key
|
||||
</span>
|
||||
|
||||
<span style="color:rgb(85,85,255)">Execution plan:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">NodeType</span> <span style="color:rgb(187,0,187)">Est.</span> <span style="color:rgb(187,0,187)">Comment</span>
|
||||
<span style="color:rgb(187,187,0)">1</span> <span style="color:rgb(0,187,187)">SingletonNode</span> <span style="color:rgb(0,187,0)">1</span> * <span style="color:rgb(0,187,187)">ROOT</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">TraversalNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">FOR </span><span style="color:rgb(187,187,0)">v</span> <span style="color:rgb(0,0,187)">/* vertex */</span> <span style="color:rgb(0,187,187)">IN</span> <span style="color:rgb(0,187,0)">1..3</span> <span style="color:rgb(0,0,187)">/* min..maxPathDepth */</span> <span style="color:rgb(0,187,187)">OUTBOUND</span> '<span style="color:rgb(0,187,0)">circles/A</span>' <span style="color:rgb(0,0,187)">/* startnode */</span> <span style="color:rgb(0,187,187)">GRAPH</span> '<span style="color:rgb(0,187,0)">traversalGraph</span>'
|
||||
<span style="color:rgb(187,187,0)">5</span> <span style="color:rgb(0,187,187)">CalculationNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">LET</span> <span style="color:rgb(187,0,187)">#7</span> = <span style="color:rgb(187,187,0)">v</span>.`<span style="color:rgb(187,187,0)">_key</span>` <span style="color:rgb(0,0,187)">/* attribute expression */</span>
|
||||
<span style="color:rgb(187,187,0)">6</span> <span style="color:rgb(0,187,187)">ReturnNode</span> <span style="color:rgb(0,187,0)">1</span> - <span style="color:rgb(0,187,187)">RETURN</span> <span style="color:rgb(187,0,187)">#7</span>
|
||||
|
||||
<span style="color:rgb(85,85,255)">Indexes used:</span>
|
||||
<span style="color:rgb(187,0,187)">By</span> <span style="color:rgb(187,0,187)">Type</span> <span style="color:rgb(187,0,187)">Collection</span> <span style="color:rgb(187,0,187)">Unique</span> <span style="color:rgb(187,0,187)">Sparse</span> <span style="color:rgb(187,0,187)">Selectivity</span> <span style="color:rgb(187,0,187)">Fields</span> <span style="color:rgb(187,0,187)">Ranges</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">edge</span> <span style="color:rgb(187,0,0)">edges</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">n/a</span> [ `<span style="color:rgb(187,187,0)">_from</span>`, `<span style="color:rgb(187,187,0)">_to</span>` ] <span style="color:rgb(0,187,187)">base OUTBOUND</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">edge</span> <span style="color:rgb(187,0,0)">edges</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">false</span> <span style="color:rgb(0,187,0)">n/a</span> [ `<span style="color:rgb(187,187,0)">_from</span>`, `<span style="color:rgb(187,187,0)">_to</span>` ] <span style="color:rgb(0,187,187)">level 0 OUTBOUND</span>
|
||||
Execution plan:
|
||||
Id NodeType Est. Comment
|
||||
1 SingletonNode 1 * ROOT
|
||||
2 TraversalNode 1 - FOR v /* vertex */ IN 1..3 /* min..maxPathDepth */ OUTBOUND 'circles/A' /* startnode */ GRAPH 'traversalGraph'
|
||||
5 CalculationNode 1 - LET #7 = v.`_key` /* attribute expression */
|
||||
6 ReturnNode 1 - RETURN #7
|
||||
|
||||
<span style="color:rgb(85,85,255)">Traversals on graphs:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">Depth</span> <span style="color:rgb(187,0,187)">Vertex collections</span> <span style="color:rgb(187,0,187)">Edge collections</span> <span style="color:rgb(187,0,187)">Options</span> <span style="color:rgb(187,0,187)">Filter conditions</span>
|
||||
2 1..3 <span style="color:rgb(187,0,0)">circles</span> <span style="color:rgb(187,0,0)">edges</span> <span style="color:rgb(0,187,187)">uniqueVertices</span>: <span style="color:rgb(0,187,0)">none</span>, <span style="color:rgb(0,187,187)">uniqueEdges</span>: <span style="color:rgb(0,187,0)">path</span> (<span style="color:rgb(187,187,0)">p</span>.`<span style="color:rgb(187,187,0)">edges</span>`[<span style="color:rgb(0,187,0)">0</span>].`<span style="color:rgb(187,187,0)">label</span>` == <span style="color:rgb(0,187,0)">"right_foo"</span>)
|
||||
Indexes used:
|
||||
By Type Collection Unique Sparse Selectivity Fields Ranges
|
||||
2 edge edges false false n/a [ `_from`, `_to` ] base OUTBOUND
|
||||
2 edge edges false false n/a [ `_from`, `_to` ] level 0 OUTBOUND
|
||||
|
||||
<span style="color:rgb(85,85,255)">Optimization rules applied:</span>
|
||||
<span style="color:rgb(187,0,187)">Id</span> <span style="color:rgb(187,0,187)">RuleName</span>
|
||||
<span style="color:rgb(187,187,0)">1</span> <span style="color:rgb(0,187,187)">move-calculations-up</span>
|
||||
<span style="color:rgb(187,187,0)">2</span> <span style="color:rgb(0,187,187)">move-filters-up</span>
|
||||
<span style="color:rgb(187,187,0)">3</span> <span style="color:rgb(0,187,187)">move-calculations-up-2</span>
|
||||
<span style="color:rgb(187,187,0)">4</span> <span style="color:rgb(0,187,187)">move-filters-up-2</span>
|
||||
<span style="color:rgb(187,187,0)">5</span> <span style="color:rgb(0,187,187)">optimize-traversals</span>
|
||||
<span style="color:rgb(187,187,0)">6</span> <span style="color:rgb(0,187,187)">remove-filter-covered-by-traversal</span>
|
||||
<span style="color:rgb(187,187,0)">7</span> <span style="color:rgb(0,187,187)">remove-unnecessary-calculations-2</span>
|
||||
<span style="color:rgb(187,187,0)">8</span> <span style="color:rgb(0,187,187)">remove-redundant-path-var</span>
|
||||
Traversals on graphs:
|
||||
Id Depth Vertex collections Edge collections Options Filter / Prune Conditions
|
||||
2 1..3 circles edges uniqueVertices: none, uniqueEdges: path FILTER (p.`edges`[0].`label` == "right_foo")
|
||||
|
||||
Optimization rules applied:
|
||||
Id RuleName
|
||||
1 move-calculations-up
|
||||
2 move-filters-up
|
||||
3 move-calculations-up-2
|
||||
4 move-filters-up-2
|
||||
5 optimize-traversals
|
||||
6 remove-filter-covered-by-traversal
|
||||
7 remove-unnecessary-calculations-2
|
||||
8 remove-redundant-path-var
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,7 @@
|
|||
@Q:
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.5</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
|
||||
PRUNE IS_SAME_COLLECTION(<span class="hljs-string">'circles'</span>, v)
|
||||
RETURN { <span class="hljs-attr">vertices</span>: p.vertices[*]._key, <span class="hljs-attr">edges</span>: p.edges[*].label }
|
||||
|
||||
@R
|
||||
[]
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
@Q:
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.5</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
|
||||
PRUNE e.theTruth == <span class="hljs-literal">true</span>
|
||||
RETURN { <span class="hljs-attr">vertices</span>: p.vertices[*]._key, <span class="hljs-attr">edges</span>: p.edges[*].label }
|
||||
|
||||
@R
|
||||
[
|
||||
{
|
||||
<span class="hljs-string">"vertices"</span>: [
|
||||
<span class="hljs-string">"A"</span>,
|
||||
<span class="hljs-string">"B"</span>
|
||||
],
|
||||
<span class="hljs-string">"edges"</span>: [
|
||||
<span class="hljs-string">"left_bar"</span>
|
||||
]
|
||||
},
|
||||
{
|
||||
<span class="hljs-string">"vertices"</span>: [
|
||||
<span class="hljs-string">"A"</span>,
|
||||
<span class="hljs-string">"G"</span>
|
||||
],
|
||||
<span class="hljs-string">"edges"</span>: [
|
||||
<span class="hljs-string">"right_foo"</span>
|
||||
]
|
||||
}
|
||||
]
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
@Q:
|
||||
FOR v, e, p IN <span class="hljs-number">1.</span><span class="hljs-number">.5</span> OUTBOUND <span class="hljs-string">'circles/A'</span> GRAPH <span class="hljs-string">'traversalGraph'</span>
|
||||
PRUNE v._key == <span class="hljs-string">'G'</span>
|
||||
FILTER v._key == <span class="hljs-string">'G'</span>
|
||||
RETURN { <span class="hljs-attr">vertices</span>: p.vertices[*]._key, <span class="hljs-attr">edges</span>: p.edges[*].label }
|
||||
|
||||
@R
|
||||
[
|
||||
{
|
||||
<span class="hljs-string">"vertices"</span>: [
|
||||
<span class="hljs-string">"A"</span>,
|
||||
<span class="hljs-string">"G"</span>
|
||||
],
|
||||
<span class="hljs-string">"edges"</span>: [
|
||||
<span class="hljs-string">"right_foo"</span>
|
||||
]
|
||||
}
|
||||
]
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
@Q:
|
||||
RETURN GEO_LINESTRING([
|
||||
[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>]
|
||||
[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>]
|
||||
])
|
||||
|
||||
@R
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
@Q:
|
||||
RETURN GEO_MULTIPOINT([
|
||||
[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>]
|
||||
[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>]
|
||||
])
|
||||
|
||||
@R
|
||||
|
|
|
|||
|
|
@ -1,12 +1,12 @@
|
|||
@Q:
|
||||
RETURN GEO_MULTIPOLYGON([
|
||||
[
|
||||
[
|
||||
[[<span class="hljs-number">40</span>, <span class="hljs-number">40</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">45</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">30</span>], [<span class="hljs-number">40</span>, <span class="hljs-number">40</span>]]
|
||||
],
|
||||
[
|
||||
],
|
||||
[
|
||||
[[<span class="hljs-number">20</span>, <span class="hljs-number">35</span>], [<span class="hljs-number">10</span>, <span class="hljs-number">30</span>], [<span class="hljs-number">10</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">30</span>, <span class="hljs-number">5</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">35</span>]],
|
||||
[[<span class="hljs-number">30</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">15</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">25</span>], [<span class="hljs-number">30</span>, <span class="hljs-number">20</span>]]
|
||||
]
|
||||
]
|
||||
])
|
||||
|
||||
@R
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
@Q:
|
||||
RETURN GEO_POLYGON([
|
||||
[<span class="hljs-number">0.0</span>, <span class="hljs-number">0.0</span>], [<span class="hljs-number">7.5</span>, <span class="hljs-number">2.5</span>], [<span class="hljs-number">0.0</span>, <span class="hljs-number">5.0</span>]
|
||||
[<span class="hljs-number">0.0</span>, <span class="hljs-number">0.0</span>], [<span class="hljs-number">7.5</span>, <span class="hljs-number">2.5</span>], [<span class="hljs-number">0.0</span>, <span class="hljs-number">5.0</span>]
|
||||
])
|
||||
|
||||
@R
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
@Q:
|
||||
RETURN GEO_POLYGON([
|
||||
[[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>], [<span class="hljs-number">15</span>, <span class="hljs-number">40</span>], [<span class="hljs-number">10</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">35</span>, <span class="hljs-number">10</span>]],
|
||||
[[<span class="hljs-number">20</span>, <span class="hljs-number">30</span>], [<span class="hljs-number">35</span>, <span class="hljs-number">35</span>], [<span class="hljs-number">30</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">30</span>]]
|
||||
[[<span class="hljs-number">35</span>, <span class="hljs-number">10</span>], [<span class="hljs-number">45</span>, <span class="hljs-number">45</span>], [<span class="hljs-number">15</span>, <span class="hljs-number">40</span>], [<span class="hljs-number">10</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">35</span>, <span class="hljs-number">10</span>]],
|
||||
[[<span class="hljs-number">20</span>, <span class="hljs-number">30</span>], [<span class="hljs-number">35</span>, <span class="hljs-number">35</span>], [<span class="hljs-number">30</span>, <span class="hljs-number">20</span>], [<span class="hljs-number">20</span>, <span class="hljs-number">30</span>]]
|
||||
])
|
||||
|
||||
@R
|
||||
|
|
|
|||
|
|
@ -83,6 +83,23 @@
|
|||
"section" : "console",
|
||||
"type" : "boolean"
|
||||
},
|
||||
"console.history" : {
|
||||
"category" : "option",
|
||||
"default" : true,
|
||||
"deprecatedIn" : null,
|
||||
"description" : "whether or not to load and persist command-line history",
|
||||
"dynamic" : false,
|
||||
"enterpriseOnly" : false,
|
||||
"hidden" : false,
|
||||
"introducedIn" : [
|
||||
"v3.4.5",
|
||||
"v3.5.0"
|
||||
],
|
||||
"obsolete" : false,
|
||||
"requiresValue" : false,
|
||||
"section" : "console",
|
||||
"type" : "boolean"
|
||||
},
|
||||
"console.pager" : {
|
||||
"category" : "option",
|
||||
"default" : false,
|
||||
|
|
|
|||
|
|
@ -83,6 +83,23 @@
|
|||
"section" : "console",
|
||||
"type" : "boolean"
|
||||
},
|
||||
"console.history" : {
|
||||
"category" : "option",
|
||||
"default" : true,
|
||||
"deprecatedIn" : null,
|
||||
"description" : "whether or not to load and persist command-line history",
|
||||
"dynamic" : false,
|
||||
"enterpriseOnly" : false,
|
||||
"hidden" : false,
|
||||
"introducedIn" : [
|
||||
"v3.4.5",
|
||||
"v3.5.0"
|
||||
],
|
||||
"obsolete" : false,
|
||||
"requiresValue" : false,
|
||||
"section" : "console",
|
||||
"type" : "boolean"
|
||||
},
|
||||
"console.pager" : {
|
||||
"category" : "option",
|
||||
"default" : false,
|
||||
|
|
|
|||
Loading…
Reference in New Issue