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added Cypher's CALL procedure support
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32 changes: 32 additions & 0 deletions
32
core/src/main/java/org/polypheny/db/adapter/NeoProcedureProvider.java
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|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright 2019-2024 The Polypheny Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.polypheny.db.adapter; | ||
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|
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| import org.polypheny.db.algebra.AlgNode; | ||
| import org.polypheny.db.plan.AlgCluster; | ||
| import org.polypheny.db.plan.AlgPlanner; | ||
| import org.polypheny.db.plan.AlgTraitSet; | ||
| import org.polypheny.db.plan.Convention; | ||
| import org.polypheny.db.plan.volcano.VolcanoPlanner; | ||
| import org.polypheny.db.type.entity.PolyValue; | ||
| import java.util.ArrayList; | ||
|
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| public interface NeoProcedureProvider { | ||
| public Convention getConvention( AlgPlanner planner ); | ||
| public AlgNode getCall( AlgCluster cluster, AlgTraitSet traits, ArrayList<String> namespace, String procedureName, ArrayList<PolyValue> arguments, boolean yieldAll, ArrayList<String> yieldItems); | ||
| public Adapter getStore(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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@@ -36,7 +36,8 @@ enum NodeType { | |
| VALUES, | ||
| AGGREGATE, | ||
| MERGE, | ||
| SORT | ||
| SORT, | ||
| CALL | ||
| } | ||
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| } | ||
85 changes: 85 additions & 0 deletions
85
core/src/main/java/org/polypheny/db/algebra/core/lpg/LpgCall.java
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| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Copyright 2019-2024 The Polypheny Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.polypheny.db.algebra.core.lpg; | ||
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| import lombok.Getter; | ||
| import lombok.Setter; | ||
| import org.polypheny.db.adapter.Adapter; | ||
| import org.polypheny.db.algebra.AbstractAlgNode; | ||
| import org.polypheny.db.algebra.metadata.AlgMetadataQuery; | ||
| import org.polypheny.db.algebra.type.AlgDataType; | ||
| import org.polypheny.db.algebra.type.AlgDataTypeField; | ||
| import org.polypheny.db.algebra.type.AlgDataTypeFieldImpl; | ||
| import org.polypheny.db.algebra.type.AlgRecordType; | ||
| import org.polypheny.db.plan.AlgCluster; | ||
| import org.polypheny.db.plan.AlgOptCost; | ||
| import org.polypheny.db.plan.AlgPlanner; | ||
| import org.polypheny.db.plan.AlgTraitSet; | ||
| import org.polypheny.db.type.PolyType; | ||
| import org.polypheny.db.type.entity.PolyValue; | ||
| import java.util.ArrayList; | ||
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| public abstract class LpgCall extends AbstractAlgNode implements LpgAlg { | ||
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| @Getter | ||
| ArrayList<String> namespace; | ||
| @Getter | ||
| String procedureName; | ||
| @Getter | ||
| ArrayList<PolyValue> arguments; | ||
| @Setter | ||
| @Getter | ||
| Adapter procedureProvider; // will only be used when we reach a Neo4j store, so normally just pass a null to it | ||
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| @Getter | ||
| boolean yieldAll; | ||
| @Getter | ||
| ArrayList<String> yieldItems; | ||
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| public LpgCall( AlgCluster cluster, AlgTraitSet traits, ArrayList<String> namespace, String procedureName, ArrayList<PolyValue> arguments, Adapter procedureProvider, boolean yieldAll, ArrayList<String> yieldItems ) { | ||
| super( cluster, traits ); | ||
| this.namespace = namespace; | ||
| this.procedureName = procedureName; | ||
| this.arguments = arguments; | ||
| this.procedureProvider = procedureProvider; | ||
| this.yieldAll = yieldAll; | ||
| this.yieldItems = yieldItems; | ||
| } | ||
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| @Override | ||
| public String algCompareString() { | ||
| return getClass().getSimpleName().toString() + "$" + String.join( ".", namespace ) | ||
| + "." + procedureName + "$" + arguments.hashCode(); | ||
| } | ||
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| @Override | ||
| public NodeType getNodeType() { | ||
| return NodeType.CALL; | ||
| } | ||
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| @Override | ||
| protected AlgDataType deriveRowType() { | ||
| if (!(procedureName.equals( "labels" ))) { | ||
| throw new UnsupportedOperationException("The called procedure is not supported"); | ||
| } | ||
| ArrayList<AlgDataTypeField> fields = new ArrayList<>(); | ||
| fields.add( new AlgDataTypeFieldImpl( -1L, "Labels", 0, getCluster().getTypeFactory().createPolyType( PolyType.VARCHAR ) ) ); | ||
| return new AlgRecordType( fields ); | ||
| } | ||
|
|
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| } |
32 changes: 32 additions & 0 deletions
32
core/src/main/java/org/polypheny/db/algebra/logical/lpg/LogicalLpgCall.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright 2019-2024 The Polypheny Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.polypheny.db.algebra.logical.lpg; | ||
|
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| import org.polypheny.db.adapter.Adapter; | ||
| import org.polypheny.db.algebra.core.lpg.LpgCall; | ||
| import org.polypheny.db.plan.AlgCluster; | ||
| import org.polypheny.db.plan.AlgTraitSet; | ||
| import org.polypheny.db.type.entity.PolyValue; | ||
| import java.util.ArrayList; | ||
|
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| public class LogicalLpgCall extends LpgCall { | ||
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| public LogicalLpgCall( AlgCluster cluster, AlgTraitSet traits, ArrayList<String> namespace, String procedureName, ArrayList<PolyValue> arguments, Adapter procedureProvider, boolean yieldAll, ArrayList<String> yieldItems ) { | ||
| super( cluster, traits, namespace, procedureName, arguments, procedureProvider, yieldAll, yieldItems ); | ||
| } | ||
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| } |
61 changes: 61 additions & 0 deletions
61
core/src/main/java/org/polypheny/db/algebra/rules/CypherCallLogicalToPhysicalRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright 2019-2024 The Polypheny Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.polypheny.db.algebra.rules; | ||
|
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| import org.polypheny.db.adapter.Adapter; | ||
| import org.polypheny.db.adapter.AdapterManager; | ||
| import org.polypheny.db.adapter.NeoProcedureProvider; | ||
| import org.polypheny.db.algebra.AlgNode; | ||
| import org.polypheny.db.algebra.core.AlgFactories; | ||
| import org.polypheny.db.algebra.core.common.Modify; | ||
| import org.polypheny.db.algebra.core.lpg.LpgCall; | ||
| import org.polypheny.db.algebra.enumerable.EnumerableConvention; | ||
| import org.polypheny.db.algebra.logical.lpg.LogicalLpgCall; | ||
| import org.polypheny.db.plan.AlgOptRule; | ||
| import org.polypheny.db.plan.AlgOptRuleCall; | ||
| import org.polypheny.db.plan.Convention; | ||
|
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| public class CypherCallLogicalToPhysicalRule extends AlgOptRule { | ||
|
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| public static final CypherCallLogicalToPhysicalRule INSTANCE = new CypherCallLogicalToPhysicalRule( LogicalLpgCall.class ); | ||
|
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| public CypherCallLogicalToPhysicalRule( Class<? extends LpgCall> callAlg ) { | ||
| super( operand( callAlg, Convention.NONE, r -> true, any() ), AlgFactories.LOGICAL_BUILDER, callAlg.getSimpleName() + "ToPhysical" ); | ||
| } | ||
|
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| @Override | ||
| public void onMatch( AlgOptRuleCall call ) { | ||
| LpgCall oldAlg = call.alg( 0 ); | ||
| Adapter neo = null; | ||
| for ( Adapter a : AdapterManager.getInstance().getStores().values() ) { | ||
| if ( a.adapterName.contains( "Neo" ) ) { | ||
| neo = a; | ||
| } | ||
| } | ||
| if ( neo == null ) { | ||
| throw new RuntimeException( "No neo adapter found" ); | ||
| } | ||
| AlgNode newAlg = oldAlg; | ||
| newAlg.getTraitSet().replace( ((NeoProcedureProvider)neo).getConvention(call.getPlanner()) ); | ||
| ((LpgCall)newAlg).setProcedureProvider( ((NeoProcedureProvider)neo).getStore() ); | ||
| //AlgNode newAlg = ((NeoProcedureProvider)neo).getCall( oldAlg.getCluster(), oldAlg.getTraitSet(), oldAlg.getNamespace(), oldAlg.getProcedureName(), oldAlg.getArguments() ); | ||
| if ( newAlg != null ) { | ||
| call.transformTo( newAlg ); | ||
| } | ||
| } | ||
|
|
||
| } |
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