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[GIE Compiler] support udf in compiler
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138 changes: 138 additions & 0 deletions
138
...ompiler/src/main/java/com/alibaba/graphscope/common/ir/meta/function/BuiltInFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * | ||
| * * Copyright 2020 Alibaba Group Holding Limited. | ||
| * * | ||
| * * 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 com.alibaba.graphscope.common.ir.meta.function; | ||
|
|
||
| import com.alibaba.graphscope.common.ir.tools.config.GraphOpt; | ||
| import com.alibaba.graphscope.common.ir.type.GraphLabelType; | ||
| import com.alibaba.graphscope.common.ir.type.GraphPathType; | ||
| import com.alibaba.graphscope.common.ir.type.GraphSchemaType; | ||
| import com.alibaba.graphscope.common.ir.type.GraphTypeFamily; | ||
| import com.google.common.collect.ImmutableList; | ||
|
|
||
| import org.apache.calcite.sql.type.*; | ||
|
|
||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| public enum BuiltInFunction { | ||
| GS_FUNCTION_RELATIONSHIPS( | ||
| "gs.function.relationships", | ||
| // set return type inference of function 'gs.function.relationships': | ||
| // 1. get first parameter type which should be `GraphPathType` | ||
| // 2. get the inner edge type of `GraphPathType` | ||
| // 3. convert to array type which has the edge type as the component | ||
| ReturnTypes.ARG0 | ||
| .andThen( | ||
| (op, type) -> { | ||
| GraphPathType.ElementType elementType = | ||
| (GraphPathType.ElementType) type.getComponentType(); | ||
| return elementType.getExpandType(); | ||
| }) | ||
| .andThen(SqlTypeTransforms.TO_ARRAY), | ||
| // set operand type checker of function 'gs.function.relationships' | ||
| GraphOperandTypes.family(GraphTypeFamily.PATH), | ||
| GraphInferTypes.FIRST_KNOWN), | ||
|
|
||
| GS_FUNCTION_NODES( | ||
| "gs.function.nodes", | ||
| ReturnTypes.ARG0 | ||
| .andThen( | ||
| (op, type) -> { | ||
| GraphPathType.ElementType elementType = | ||
| (GraphPathType.ElementType) type.getComponentType(); | ||
| return elementType.getGetVType(); | ||
| }) | ||
| .andThen(SqlTypeTransforms.TO_ARRAY), | ||
| GraphOperandTypes.family(GraphTypeFamily.PATH), | ||
| GraphInferTypes.FIRST_KNOWN), | ||
|
|
||
| GS_FUNCTION_START_NODE( | ||
| "gs.function.startNode", | ||
| ReturnTypes.ARG0.andThen( | ||
| (op, type) -> { | ||
| GraphSchemaType edgeType = (GraphSchemaType) type; | ||
| List<GraphLabelType.Entry> srcLabels = | ||
| edgeType.getLabelType().getLabelsEntry().stream() | ||
| .map( | ||
| e -> | ||
| new GraphLabelType.Entry() | ||
| .label(e.getSrcLabel()) | ||
| .labelId(e.getSrcLabelId())) | ||
| .collect(Collectors.toList()); | ||
| return new GraphSchemaType( | ||
| GraphOpt.Source.VERTEX, | ||
| new GraphLabelType(srcLabels), | ||
| ImmutableList.of()); | ||
| }), | ||
| GraphOperandTypes.family(GraphTypeFamily.EDGE), | ||
| GraphInferTypes.FIRST_KNOWN), | ||
|
|
||
| GS_FUNCTION_END_NODE( | ||
| "gs.function.endNode", | ||
| ReturnTypes.ARG0.andThen( | ||
| (op, type) -> { | ||
| GraphSchemaType edgeType = (GraphSchemaType) type; | ||
| List<GraphLabelType.Entry> endLabels = | ||
| edgeType.getLabelType().getLabelsEntry().stream() | ||
| .map( | ||
| e -> | ||
| new GraphLabelType.Entry() | ||
| .label(e.getDstLabel()) | ||
| .labelId(e.getDstLabelId())) | ||
| .collect(Collectors.toList()); | ||
| return new GraphSchemaType( | ||
| GraphOpt.Source.VERTEX, | ||
| new GraphLabelType(endLabels), | ||
| ImmutableList.of()); | ||
| }), | ||
| GraphOperandTypes.family(GraphTypeFamily.EDGE), | ||
| GraphInferTypes.FIRST_KNOWN); | ||
|
|
||
| BuiltInFunction( | ||
| String signature, | ||
| SqlReturnTypeInference returnTypeInference, | ||
| SqlOperandTypeChecker operandTypeChecker, | ||
| SqlOperandTypeInference operandTypeInference) { | ||
| this.signature = signature; | ||
| this.returnTypeInference = returnTypeInference; | ||
| this.operandTypeChecker = operandTypeChecker; | ||
| this.operandTypeInference = operandTypeInference; | ||
| } | ||
|
|
||
| private final String signature; | ||
| private final SqlReturnTypeInference returnTypeInference; | ||
| private final SqlOperandTypeChecker operandTypeChecker; | ||
| private final SqlOperandTypeInference operandTypeInference; | ||
|
|
||
| public String getSignature() { | ||
| return this.signature; | ||
| } | ||
|
|
||
| public SqlReturnTypeInference getReturnTypeInference() { | ||
| return this.returnTypeInference; | ||
| } | ||
|
|
||
| public SqlOperandTypeChecker getOperandTypeChecker() { | ||
| return this.operandTypeChecker; | ||
| } | ||
|
|
||
| public SqlOperandTypeInference getOperandTypeInference() { | ||
| return this.operandTypeInference; | ||
| } | ||
| } |
78 changes: 78 additions & 0 deletions
78
...e/compiler/src/main/java/com/alibaba/graphscope/common/ir/meta/function/FunctionMeta.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * | ||
| * * Copyright 2020 Alibaba Group Holding Limited. | ||
| * * | ||
| * * 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 com.alibaba.graphscope.common.ir.meta.function; | ||
|
|
||
| import com.alibaba.graphscope.common.ir.meta.procedure.StoredProcedureMeta; | ||
|
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| import org.apache.calcite.sql.type.*; | ||
|
|
||
| import java.util.stream.Collectors; | ||
|
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||
| public class FunctionMeta { | ||
| private final String signature; | ||
| private final SqlReturnTypeInference returnTypeInference; | ||
| private final SqlOperandTypeChecker operandTypeChecker; | ||
| private final SqlOperandTypeInference operandTypeInference; | ||
|
|
||
| public FunctionMeta( | ||
| String signature, | ||
| SqlReturnTypeInference returnTypeInference, | ||
| SqlOperandTypeChecker operandTypeChecker, | ||
| SqlOperandTypeInference operandTypeInference) { | ||
| this.signature = signature; | ||
| this.returnTypeInference = returnTypeInference; | ||
| this.operandTypeChecker = operandTypeChecker; | ||
| this.operandTypeInference = operandTypeInference; | ||
| } | ||
|
|
||
| public FunctionMeta(BuiltInFunction function) { | ||
| this( | ||
| function.getSignature(), | ||
| function.getReturnTypeInference(), | ||
| function.getOperandTypeChecker(), | ||
| function.getOperandTypeInference()); | ||
| } | ||
|
|
||
| public FunctionMeta(StoredProcedureMeta meta) { | ||
| this( | ||
| meta.getName(), | ||
| ReturnTypes.explicit(meta.getReturnType().getFieldList().get(0).getType()), | ||
| GraphOperandTypes.metaTypeChecker(meta), | ||
| InferTypes.explicit( | ||
| meta.getParameters().stream() | ||
| .map(k -> k.getDataType()) | ||
| .collect(Collectors.toList()))); | ||
| } | ||
|
|
||
| public String getSignature() { | ||
| return this.signature; | ||
| } | ||
|
|
||
| public SqlReturnTypeInference getReturnTypeInference() { | ||
| return this.returnTypeInference; | ||
| } | ||
|
|
||
| public SqlOperandTypeChecker getOperandTypeChecker() { | ||
| return this.operandTypeChecker; | ||
| } | ||
|
|
||
| public SqlOperandTypeInference getOperandTypeInference() { | ||
| return this.operandTypeInference; | ||
| } | ||
| } |
119 changes: 119 additions & 0 deletions
119
...compiler/src/main/java/com/alibaba/graphscope/common/ir/meta/function/GraphFunctions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /* | ||
| * | ||
| * * Copyright 2020 Alibaba Group Holding Limited. | ||
| * * | ||
| * * 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 com.alibaba.graphscope.common.ir.meta.function; | ||
|
|
||
| import com.alibaba.graphscope.common.config.Configs; | ||
| import com.alibaba.graphscope.common.config.GraphConfig; | ||
| import com.alibaba.graphscope.common.ir.meta.procedure.StoredProcedureMeta; | ||
| import com.google.common.collect.Maps; | ||
|
|
||
| import org.apache.calcite.sql.type.GraphInferTypes; | ||
| import org.apache.calcite.sql.type.OperandTypes; | ||
| import org.apache.calcite.sql.type.ReturnTypes; | ||
| import org.apache.calcite.sql.type.SqlTypeName; | ||
| import org.yaml.snakeyaml.Yaml; | ||
|
|
||
| import java.io.ByteArrayInputStream; | ||
| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.InputStream; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| public class GraphFunctions { | ||
| public static final String FUNCTION_PREFIX = "gs.function."; | ||
| private final Map<String, FunctionMeta> functionMetaMap; | ||
|
|
||
| private static GraphFunctions instance; | ||
|
|
||
| public static GraphFunctions instance(Configs configs) { | ||
| if (instance == null) { | ||
| instance = new GraphFunctions(configs); | ||
| } | ||
| return instance; | ||
| } | ||
|
|
||
| private GraphFunctions(Configs configs) { | ||
| this.functionMetaMap = Maps.newHashMap(); | ||
| this.registerBuiltInFunctions(); | ||
| this.registerConfigFunctions(configs); | ||
| } | ||
|
|
||
| // initialize built-in functions | ||
| private void registerBuiltInFunctions() { | ||
| for (BuiltInFunction function : BuiltInFunction.values()) { | ||
| FunctionMeta meta = new FunctionMeta(function); | ||
| functionMetaMap.put(function.getSignature(), meta); | ||
| } | ||
| } | ||
|
|
||
| // initialize functions from configuration: | ||
| // 1. load the functions from the settings of 'graph.functions' | ||
| // 2. if the setting not found, load the default resource under the classpath | ||
| private void registerConfigFunctions(Configs configs) { | ||
| try (InputStream stream = loadConfigAsStream(configs)) { | ||
| Yaml yaml = new Yaml(); | ||
| Map<String, Object> map = yaml.load(stream); | ||
| if (map != null) { | ||
| Object functions = map.get("graph_functions"); | ||
| if (functions instanceof List) { | ||
| for (Object function : (List) functions) { | ||
| String functionYaml = yaml.dump(function); | ||
| StoredProcedureMeta meta = | ||
| StoredProcedureMeta.Deserializer.perform( | ||
| new ByteArrayInputStream( | ||
| functionYaml.getBytes(StandardCharsets.UTF_8))); | ||
| functionMetaMap.put(meta.getName(), new FunctionMeta(meta)); | ||
| } | ||
| } | ||
| } | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| private InputStream loadConfigAsStream(Configs configs) throws Exception { | ||
| String functionConfig = GraphConfig.GRAPH_FUNCTIONS_URI.get(configs); | ||
| if (!functionConfig.isEmpty()) { | ||
| File file = new File(functionConfig); | ||
| if (file.exists()) { | ||
| return new FileInputStream(file); | ||
| } | ||
| } | ||
| return Thread.currentThread() | ||
| .getContextClassLoader() | ||
| .getResourceAsStream("conf/graph_functions.yaml"); | ||
| } | ||
|
|
||
| public FunctionMeta getFunction(String functionName) { | ||
| FunctionMeta meta = functionMetaMap.get(functionName); | ||
| if (meta == null) { | ||
| // if not exist, create a new function meta with no constraints on operands and return | ||
| // types | ||
| meta = | ||
| new FunctionMeta( | ||
| functionName, | ||
| ReturnTypes.explicit(SqlTypeName.ANY), | ||
| OperandTypes.VARIADIC, | ||
| GraphInferTypes.FIRST_KNOWN); | ||
| } | ||
| return meta; | ||
| } | ||
| } |
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