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[Enhancement] (nereids)implement showDataTypesCommand in nereids (#44299
) Issue Number: close #42743
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102 changes: 102 additions & 0 deletions
102
...ore/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowDataTypesCommand.java
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| // 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. | ||
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| package org.apache.doris.nereids.trees.plans.commands; | ||
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| import org.apache.doris.catalog.Column; | ||
| import org.apache.doris.catalog.PrimitiveType; | ||
| import org.apache.doris.catalog.ScalarType; | ||
| import org.apache.doris.nereids.trees.plans.PlanType; | ||
| import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; | ||
| import org.apache.doris.qe.ConnectContext; | ||
| import org.apache.doris.qe.ShowResultSet; | ||
| import org.apache.doris.qe.ShowResultSetMetaData; | ||
| import org.apache.doris.qe.StmtExecutor; | ||
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| import com.google.common.collect.Lists; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.Comparator; | ||
| import java.util.List; | ||
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| /** | ||
| * Represents the command for SHOW DATA TYPES. | ||
| */ | ||
| public class ShowDataTypesCommand extends ShowCommand { | ||
| private static final ShowResultSetMetaData META_DATA = | ||
| ShowResultSetMetaData.builder() | ||
| .addColumn(new Column("TypeName", ScalarType.createVarchar(20))) | ||
| .addColumn(new Column("Size", ScalarType.createVarchar(100))) | ||
| .build(); | ||
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| public ShowDataTypesCommand() { | ||
| super(PlanType.SHOW_DATA_TYPES_COMMAND); | ||
| } | ||
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| /** | ||
| * getTypes(). | ||
| */ | ||
| public static ArrayList<PrimitiveType> getTypes() { | ||
| return PrimitiveType.getSupportedTypes(); | ||
| } | ||
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| /** | ||
| * getTypesAvailableInDdl(). | ||
| */ | ||
| public static List<List<String>> getTypesAvailableInDdl() { | ||
| ArrayList<PrimitiveType> supportedTypes = getTypes(); | ||
| List<List<String>> rows = Lists.newArrayList(); | ||
| for (PrimitiveType type : supportedTypes) { | ||
| List<String> row = new ArrayList<>(); | ||
| if (type.isAvailableInDdl()) { | ||
| row.add(type.toString()); | ||
| row.add(Integer.toString(type.getSlotSize())); | ||
| rows.add(row); | ||
| } | ||
| } | ||
| return rows; | ||
| } | ||
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| /** | ||
| * sortMetaData(). | ||
| */ | ||
| public void sortMetaData(List<List<String>> rows) { | ||
| Collections.sort(rows, new Comparator<List<String>>() { | ||
| @Override | ||
| public int compare(List<String> row1, List<String> row2) { | ||
| return row1.get(0).compareTo(row2.get(0)); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| List<List<String>> rows = getTypesAvailableInDdl(); | ||
| sortMetaData(rows); | ||
| return new ShowResultSet(getMetaData(), rows); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowDataTypesCommand(this, context); | ||
| } | ||
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| public ShowResultSetMetaData getMetaData() { | ||
| return META_DATA; | ||
| } | ||
| } |
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31 changes: 31 additions & 0 deletions
31
regression-test/data/nereids_p0/show/test_show_data_types.out
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| @@ -0,0 +1,31 @@ | ||
| -- This file is automatically generated. You should know what you did if you want to edit this | ||
| -- !cmd -- | ||
| AGG_STATE 16 | ||
| ARRAY 32 | ||
| BIGINT 8 | ||
| BITMAP 16 | ||
| BOOLEAN 1 | ||
| CHAR 16 | ||
| DATE 16 | ||
| DATETIME 16 | ||
| DATETIMEV2 8 | ||
| DATEV2 4 | ||
| DECIMAL128 16 | ||
| DECIMAL32 4 | ||
| DECIMAL64 8 | ||
| DECIMALV2 16 | ||
| DOUBLE 8 | ||
| FLOAT 4 | ||
| HLL 16 | ||
| INT 4 | ||
| IPV4 4 | ||
| IPV6 16 | ||
| JSON 16 | ||
| LARGEINT 16 | ||
| MAP 24 | ||
| QUANTILE_STATE 16 | ||
| SMALLINT 2 | ||
| STRING 16 | ||
| TINYINT 1 | ||
| VARCHAR 16 | ||
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29 changes: 29 additions & 0 deletions
29
regression-test/suites/nereids_p0/show/test_show_data_types.groovy
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| // 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. | ||
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| suite("test_show_data_types_nereids", "query,datatype") { | ||
| try { | ||
| // Execute the SHOW DATA TYPES command and verify the output | ||
| checkNereidsExecute("SHOW DATA TYPES") | ||
| qt_cmd("SHOW DATA TYPES") | ||
| } catch (Exception e) { | ||
| // Log any exceptions that occur during testing | ||
| log.error("Failed to execute SHOW DATA TYPES command", e) | ||
| throw e | ||
| } | ||
| } | ||
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