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[CALCITE-3329] Implement osquery for OS adapter
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XuQianJin-Stars
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Dec 17, 2023
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55 changes: 55 additions & 0 deletions
55
plus/src/main/java/org/apache/calcite/adapter/os/AbstractBaseScannableTable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to you 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.apache.calcite.adapter.os; | ||
|
|
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| import org.apache.calcite.config.CalciteConnectionConfig; | ||
| import org.apache.calcite.schema.ScannableTable; | ||
| import org.apache.calcite.schema.Schema; | ||
| import org.apache.calcite.schema.Statistic; | ||
| import org.apache.calcite.schema.Statistics; | ||
| import org.apache.calcite.sql.SqlCall; | ||
| import org.apache.calcite.sql.SqlNode; | ||
| import org.apache.calcite.util.ImmutableBitSet; | ||
|
|
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| import com.google.common.collect.ImmutableList; | ||
|
|
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| import org.checkerframework.checker.nullness.qual.Nullable; | ||
|
|
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| /** | ||
| * Abstract base class for implementations of OS table functions. | ||
| */ | ||
| abstract class AbstractBaseScannableTable implements ScannableTable { | ||
| protected AbstractBaseScannableTable() { | ||
| } | ||
|
|
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| @Override public Statistic getStatistic() { | ||
| return Statistics.of(1000d, ImmutableList.of(ImmutableBitSet.of(1))); | ||
| } | ||
|
|
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| @Override public Schema.TableType getJdbcTableType() { | ||
| return Schema.TableType.TABLE; | ||
| } | ||
|
|
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| @Override public boolean isRolledUp(String column) { | ||
| return false; | ||
| } | ||
|
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| @Override public boolean rolledUpColumnValidInsideAgg(String column, SqlCall call, | ||
| @Nullable SqlNode parent, @Nullable CalciteConnectionConfig config) { | ||
| return true; | ||
| } | ||
| } |
62 changes: 62 additions & 0 deletions
62
plus/src/main/java/org/apache/calcite/adapter/os/CpuInfoTableFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to you 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.apache.calcite.adapter.os; | ||
|
|
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| import org.apache.calcite.DataContext; | ||
| import org.apache.calcite.linq4j.AbstractEnumerable; | ||
| import org.apache.calcite.linq4j.Enumerable; | ||
| import org.apache.calcite.linq4j.Enumerator; | ||
| import org.apache.calcite.rel.type.RelDataType; | ||
| import org.apache.calcite.rel.type.RelDataTypeFactory; | ||
| import org.apache.calcite.schema.ScannableTable; | ||
| import org.apache.calcite.sql.type.SqlTypeName; | ||
|
|
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| import org.checkerframework.checker.nullness.qual.Nullable; | ||
|
|
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| /** | ||
| * Table function that executes the OS "cpu_info". | ||
| */ | ||
| public class CpuInfoTableFunction { | ||
| private CpuInfoTableFunction() { | ||
| } | ||
|
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| public static ScannableTable eval(boolean b) { | ||
| return new AbstractBaseScannableTable() { | ||
| @Override public Enumerable<@Nullable Object[]> scan(DataContext root) { | ||
| return new AbstractEnumerable<Object[]>() { | ||
| @Override public Enumerator<Object[]> enumerator() { | ||
| return new OsQueryEnumerator("cpu_info"); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override public RelDataType getRowType(RelDataTypeFactory typeFactory) { | ||
| return typeFactory.builder() | ||
| .add("device_id", SqlTypeName.VARCHAR) | ||
| .add("model", SqlTypeName.VARCHAR) | ||
| .add("manufacturer", SqlTypeName.VARCHAR) | ||
| .add("number_of_cores", SqlTypeName.INTEGER) | ||
| .add("logical_processors", SqlTypeName.INTEGER) | ||
| .add("address_width", SqlTypeName.INTEGER) | ||
| .add("max_clock_speed", SqlTypeName.BIGINT) | ||
| .add("socket_designation", SqlTypeName.INTEGER) | ||
| .add("cpu_load", SqlTypeName.DOUBLE) | ||
| .build(); | ||
| } | ||
| }; | ||
| } | ||
| } |
61 changes: 61 additions & 0 deletions
61
plus/src/main/java/org/apache/calcite/adapter/os/CpuTimeTableFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to you 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.apache.calcite.adapter.os; | ||
|
|
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| import org.apache.calcite.DataContext; | ||
| import org.apache.calcite.linq4j.AbstractEnumerable; | ||
| import org.apache.calcite.linq4j.Enumerable; | ||
| import org.apache.calcite.linq4j.Enumerator; | ||
| import org.apache.calcite.rel.type.RelDataType; | ||
| import org.apache.calcite.rel.type.RelDataTypeFactory; | ||
| import org.apache.calcite.schema.ScannableTable; | ||
| import org.apache.calcite.sql.type.SqlTypeName; | ||
|
|
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| import org.checkerframework.checker.nullness.qual.Nullable; | ||
|
|
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| /** | ||
| * Table function that executes the OS "cpu_info". | ||
| */ | ||
| public class CpuTimeTableFunction { | ||
| private CpuTimeTableFunction() { | ||
| } | ||
|
|
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| public static ScannableTable eval(boolean b) { | ||
| return new AbstractBaseScannableTable() { | ||
| @Override public Enumerable<@Nullable Object[]> scan(DataContext root) { | ||
| return new AbstractEnumerable<Object[]>() { | ||
| @Override public Enumerator<Object[]> enumerator() { | ||
| return new OsQueryEnumerator("cpu_time"); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override public RelDataType getRowType(RelDataTypeFactory typeFactory) { | ||
| return typeFactory.builder() | ||
| .add("idle", SqlTypeName.BIGINT) | ||
| .add("nice", SqlTypeName.BIGINT) | ||
| .add("irq", SqlTypeName.BIGINT) | ||
| .add("soft_irq", SqlTypeName.BIGINT) | ||
| .add("steal", SqlTypeName.BIGINT) | ||
| .add("system", SqlTypeName.BIGINT) | ||
| .add("user", SqlTypeName.BIGINT) | ||
| .add("io_wait", SqlTypeName.BIGINT) | ||
| .build(); | ||
| } | ||
| }; | ||
| } | ||
| } |
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