c31ba0e823
Makes sparopt figure out good join keys
2 years ago
40b10cdabc
Adds a naive standalone query optimizer
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This drops some left join optimizations
2 years ago
c016116b09
Makes Clippy 1.65 happy
2 years ago
adda2d2d7e
Makes hash join into for loop join optimization more aggressive
2 years ago
22f990344f
Fixes hash left join into for loop left join optimization
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It can inject variables into projections
2 years ago
4cc9e4008b
Fixes empty IN expression optimization
2 years ago
0a064a8704
SPARQL: Prevents ForLoopLeftJoin with MINUS
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It can flip the MINUS operation out of the "disjoint" case
2 years ago
e96672a2a8
SPARQL plan: allows AND and OR to have more than 2 children
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Adds tests on VALUES cardinality validation
2 years ago
7175784356
Improves Clippy lint list
2 years ago
81793bc221
Makes nested PlanNode easy to clone
2 years ago
9dc1106b9a
SPARQL query plan: attach original RDF terms
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Helps debugging
2 years ago
afdb1f76e8
Adds a typo linter as part of the CI
2 years ago
a7bc31b446
SPARQL regex: compile ahead of time if possible
2 years ago
719cde2eac
Implements SEP-0002 ADJUST function
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ADJUST is now only implemented when a new timezone is given. I am not sure "" for no timezone is the best way to go.
It is behind a sep-0002 feature in spargebra and sparql-smith and enabled by default in oxigraph.
2 years ago
76dd879ea6
Implements LATERAL join
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Follows SPARQL 1.2 SEP 0006. It is behind a sep-0006 feature in spargebra and sparql-smith and enabled by default in oxigraph.
Apache Jena tests are passing.
SEP 0006: https://github.com/w3c/sparql-12/blob/main/SEP/SEP-0006/sep-0006.md
2 years ago
808c9db007
String formatting: uses inline syntax
2 years ago
d7e4d5583f
SPARQL: Adds an option to disable the optimizer
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Provides a plain evaluator without any trick
2 years ago
2ca8bd19d3
PlanBuilder: no need for &mut references
2 years ago
865f1dac8d
Uses the same key space inside and outside of aggregate evaluation
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There is a project node just alongside aggregates so the key space is already bounded by it
2 years ago
c1d2cf030d
Makes Clippy happy
3 years ago
e9bbe8e036
Applies new Clippy suggestions
3 years ago
967dbacad7
Spargebra: Uses oxrdf terms
3 years ago
f5545f1948
Makes Oxigraph model standalone as oxrdf
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Allows to reuse it in other crates like spargebra
3 years ago
72a17c4f72
Avoids using std::io::Error where possible
3 years ago
cfb3be6d34
Adds custom functions support
3 years ago
f6dbb96327
Makes Clippy happy
3 years ago
6d4bb36425
Uses Reduced everywhere cardinality is not important
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Allows avoiding dumb downstream duplicated work and should hopefully unlock optimizations in the future.
4 years ago
505980f026
Implements reduced operation during evaluation
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Cheap streaming implementation (no malloc needed)
4 years ago
4673cd7979
Takes care of VALUES when choosing joins
4 years ago
32660ecfba
Use HashJoin in BGP if no shared variables
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Allows avoiding reading multiple times the same table
4 years ago
836a7ad4a1
Push filters as deep as possible
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Allows to remove some possible bindings as soon as possible
4 years ago
4453235b90
Removes unused Rc in PlanNode
4 years ago
57123ed42c
Uses for loop joins in more cases like BGP with property path
4 years ago
ba98e2d1f8
Makes left join variable bad variable set smaller
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Removes from it some safe cases
4 years ago
27d73f7ee2
Removes GraphPattern::Sequence
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Redundant with GraphPattern::Join.
Let's keep optimization related structs in the evaluation plan.
4 years ago
bb5431b545
Removes PlanExpression::In
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Can be expressed with Or and Equals
4 years ago
4f7e396af0
Introduces PlanNode::ForLoopJoin
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Makes for loop join more explicit and usable in more places
4 years ago
aa9afe4641
spargebra: Renamings to move closer to SPARQLAlgebra.js
4 years ago
5f79c408bc
Adds GraphPattern::Sequence
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Safe version of GraphPattern::Join
4 years ago
a653506f4c
Fixes variables scoping for EXISTS
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Do not expose them outside in case they are reused
4 years ago
f084cfe332
Enables more Clippy lints and enforces them
4 years ago
f9d9530a1b
Makes SPARQL string storage insertion infallible
4 years ago
7e9e3a0743
Implements SPARQL-star nested triple patterns evaluation
4 years ago
ae0422d21c
Updates join reordering to take care of nested triples
4 years ago
10ee6e17f0
Adds SPARQL* support to the SPARQL parser
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Nested triple patterns query evaluation is not implemented yet
Annotation syntax is not implemented yet
4 years ago
dcaf3793d5
Adds RDF-star SPARQL functions
4 years ago
bc27a298fa
Simplifies spargebra basic patterns naming
4 years ago
e2bbc29198
Makes encoded term not copy
4 years ago
e6e83ff369
Makes SPARQL algebra more strict
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Removes some invalid but encodable states
4 years ago
0efc5b4654
Renames SledStore to Store and cleans up files hierarchy
4 years ago
Thomas