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[ISSUE-214] Support different names for vertex and edge meta fields
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35 changes: 35 additions & 0 deletions
35
...sl/geaflow-dsl-plan/src/main/java/com/antgroup/geaflow/dsl/udf/table/other/EdgeSrcId.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * Copyright 2023 AntGroup CO., Ltd. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| package com.antgroup.geaflow.dsl.udf.table.other; | ||
|
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| import com.antgroup.geaflow.dsl.common.data.RowEdge; | ||
| import com.antgroup.geaflow.dsl.common.function.Description; | ||
| import com.antgroup.geaflow.dsl.common.function.UDF; | ||
| import com.antgroup.geaflow.dsl.planner.GQLJavaTypeFactory; | ||
| import com.antgroup.geaflow.dsl.util.GraphSchemaUtil; | ||
| import org.apache.calcite.rel.type.RelDataType; | ||
|
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| @Description(name = "srcId", description = "Returns srcId for edge") | ||
| public class EdgeSrcId extends UDF implements GraphMetaFieldAccessFunction { | ||
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| public Object eval(RowEdge edge) { | ||
| return edge.getSrcId(); | ||
| } | ||
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| @Override | ||
| public RelDataType getReturnRelDataType(GQLJavaTypeFactory typeFactory) { | ||
| return GraphSchemaUtil.getCurrentGraphEdgeSrcIdType(typeFactory); | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
...geaflow-dsl-plan/src/main/java/com/antgroup/geaflow/dsl/udf/table/other/EdgeTargetId.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * Copyright 2023 AntGroup CO., Ltd. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.antgroup.geaflow.dsl.udf.table.other; | ||
|
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| import com.antgroup.geaflow.dsl.common.data.RowEdge; | ||
| import com.antgroup.geaflow.dsl.common.function.Description; | ||
| import com.antgroup.geaflow.dsl.common.function.UDF; | ||
| import com.antgroup.geaflow.dsl.planner.GQLJavaTypeFactory; | ||
| import com.antgroup.geaflow.dsl.util.GraphSchemaUtil; | ||
| import org.apache.calcite.rel.type.RelDataType; | ||
|
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| @Description(name = "targetId", description = "Returns targetId for edge") | ||
| public class EdgeTargetId extends UDF implements GraphMetaFieldAccessFunction { | ||
|
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| public Object eval(RowEdge edge) { | ||
| return edge.getTargetId(); | ||
| } | ||
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| @Override | ||
| public RelDataType getReturnRelDataType(GQLJavaTypeFactory typeFactory) { | ||
| return GraphSchemaUtil.getCurrentGraphEdgeTargetIdType(typeFactory); | ||
| } | ||
| } |
40 changes: 40 additions & 0 deletions
40
...eaflow-dsl-plan/src/main/java/com/antgroup/geaflow/dsl/udf/table/other/EdgeTimestamp.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Copyright 2023 AntGroup CO., Ltd. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.antgroup.geaflow.dsl.udf.table.other; | ||
|
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| import com.antgroup.geaflow.dsl.common.exception.GeaFlowDSLException; | ||
| import com.antgroup.geaflow.dsl.common.function.Description; | ||
| import com.antgroup.geaflow.dsl.common.function.UDF; | ||
| import com.antgroup.geaflow.dsl.planner.GQLJavaTypeFactory; | ||
| import com.antgroup.geaflow.dsl.util.GraphSchemaUtil; | ||
| import com.antgroup.geaflow.model.graph.IGraphElementWithTimeField; | ||
| import org.apache.calcite.rel.type.RelDataType; | ||
|
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| @Description(name = "ts", description = "Returns ts for edge with timestamp") | ||
| public class EdgeTimestamp extends UDF implements GraphMetaFieldAccessFunction { | ||
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| public Long eval(IGraphElementWithTimeField edge) { | ||
| return edge.getTime(); | ||
| } | ||
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| @Override | ||
| public RelDataType getReturnRelDataType(GQLJavaTypeFactory typeFactory) { | ||
| if (GraphSchemaUtil.getCurrentGraphEdgeTimestampType(typeFactory).isPresent()) { | ||
| return GraphSchemaUtil.getCurrentGraphEdgeTimestampType(typeFactory).get(); | ||
| } else { | ||
| throw new GeaFlowDSLException("Cannot find timestamp type"); | ||
| } | ||
| } | ||
| } |
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