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Merge pull request #960 from wushengyeyouya/dev-1.0.2
Optimize the code compatibility of flink EngineConn, and optimize the pom parent of flink module.
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128 changes: 128 additions & 0 deletions
128
...wedatasphere/linkis/engineconnplugin/flink/client/sql/operation/OperationFactoryImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /* | ||
| * 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 com.webank.wedatasphere.linkis.engineconnplugin.flink.client.sql.operation; | ||
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| import com.webank.wedatasphere.linkis.engineconnplugin.flink.client.sql.operation.impl.*; | ||
| import com.webank.wedatasphere.linkis.engineconnplugin.flink.client.sql.parser.SqlCommandCall; | ||
| import com.webank.wedatasphere.linkis.engineconnplugin.flink.context.FlinkEngineConnContext; | ||
| import com.webank.wedatasphere.linkis.engineconnplugin.flink.exception.SqlParseException; | ||
| import com.webank.wedatasphere.linkis.engineconnplugin.flink.util.ClassUtil; | ||
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| public class OperationFactoryImpl implements OperationFactory { | ||
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| private OperationFactoryImpl() { | ||
| } | ||
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| @Override | ||
| public Operation createOperation(SqlCommandCall call, FlinkEngineConnContext context) throws SqlParseException { | ||
| Operation operation; | ||
| switch (call.command) { | ||
| case SELECT: | ||
| operation = new SelectOperation(context, call.operands[0]); | ||
| break; | ||
| case CREATE_VIEW: | ||
| operation = new CreateViewOperation(context, call.operands[0], call.operands[1]); | ||
| break; | ||
| case DROP_VIEW: | ||
| operation = new DropViewOperation(context, call.operands[0], Boolean.parseBoolean(call.operands[1])); | ||
| break; | ||
| case CREATE_TABLE: | ||
| case DROP_TABLE: | ||
| case ALTER_TABLE: | ||
| case CREATE_DATABASE: | ||
| case DROP_DATABASE: | ||
| case ALTER_DATABASE: | ||
| operation = new DDLOperation(context, call.operands[0], call.command); | ||
| break; | ||
| case SET: | ||
| // list all properties | ||
| if (call.operands.length == 0) { | ||
| operation = new SetOperation(context); | ||
| } else { | ||
| // set a property | ||
| operation = new SetOperation(context, call.operands[0], call.operands[1]); | ||
| } | ||
| break; | ||
| case RESET: | ||
| if (call.operands.length > 0) { | ||
| throw new SqlParseException("Only RESET ALL is supported now"); | ||
| } | ||
| operation = new ResetOperation(context); | ||
| break; | ||
| case USE_CATALOG: | ||
| operation = new UseCatalogOperation(context, call.operands[0]); | ||
| break; | ||
| case USE: | ||
| operation = new UseDatabaseOperation(context, call.operands[0]); | ||
| break; | ||
| case INSERT_INTO: | ||
| case INSERT_OVERWRITE: | ||
| operation = new InsertOperation(context, call.operands[0], call.operands[1]); | ||
| break; | ||
| case SHOW_MODULES: | ||
| operation = new ShowModulesOperation(context); | ||
| break; | ||
| case SHOW_CATALOGS: | ||
| operation = new ShowCatalogsOperation(context); | ||
| break; | ||
| case SHOW_CURRENT_CATALOG: | ||
| operation = new ShowCurrentCatalogOperation(context); | ||
| break; | ||
| case SHOW_DATABASES: | ||
| operation = new ShowDatabasesOperation(context); | ||
| break; | ||
| case SHOW_CURRENT_DATABASE: | ||
| operation = new ShowCurrentDatabaseOperation(context); | ||
| break; | ||
| case SHOW_TABLES: | ||
| operation = new ShowTablesOperation(context); | ||
| break; | ||
| case SHOW_VIEWS: | ||
| operation = new ShowViewsOperation(context); | ||
| break; | ||
| case SHOW_FUNCTIONS: | ||
| operation = new ShowFunctionsOperation(context); | ||
| break; | ||
| case DESCRIBE_TABLE: | ||
| operation = new DescribeTableOperation(context, call.operands[0]); | ||
| break; | ||
| case EXPLAIN: | ||
| operation = new ExplainOperation(context, call.operands[0]); | ||
| break; | ||
| default: | ||
| throw new SqlParseException("Unsupported command call " + call + ". This is a bug."); | ||
| } | ||
| return operation; | ||
| } | ||
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| private static OperationFactory operationFactory; | ||
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| public static OperationFactory getInstance() { | ||
| if(operationFactory == null) { | ||
| synchronized (OperationFactory.class) { | ||
| if(operationFactory == null) { | ||
| operationFactory = ClassUtil.getInstance(OperationFactory.class, new OperationFactoryImpl()); | ||
| } | ||
| } | ||
| } | ||
| return operationFactory; | ||
| } | ||
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| } |
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126 changes: 126 additions & 0 deletions
126
...a/com/webank/wedatasphere/linkis/engineconnplugin/flink/client/sql/parser/SqlCommand.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| * 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 com.webank.wedatasphere.linkis.engineconnplugin.flink.client.sql.parser; | ||
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| import java.util.Optional; | ||
| import java.util.function.Function; | ||
| import java.util.regex.Pattern; | ||
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| public enum SqlCommand { | ||
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| LINKIS_GRAMMAR, | ||
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| SELECT, | ||
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| INSERT_INTO, | ||
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| INSERT_OVERWRITE, | ||
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| CREATE_TABLE, | ||
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| ALTER_TABLE, | ||
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| DROP_TABLE, | ||
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| CREATE_VIEW, | ||
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| DROP_VIEW, | ||
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| CREATE_DATABASE, | ||
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| ALTER_DATABASE, | ||
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| DROP_DATABASE, | ||
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| USE_CATALOG, | ||
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| USE, | ||
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| SHOW_CATALOGS, | ||
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| SHOW_DATABASES, | ||
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| SHOW_TABLES, | ||
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| SHOW_FUNCTIONS, | ||
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| EXPLAIN, | ||
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| DESCRIBE_TABLE, | ||
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| RESET, | ||
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| SET( | ||
| "SET", | ||
| Inner_Config.NO_OPERANDS), | ||
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| SHOW_MODULES( | ||
| "SHOW\\s+MODULES", | ||
| Inner_Config.NO_OPERANDS), | ||
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| SHOW_VIEWS( | ||
| "SHOW\\s+VIEWS", | ||
| Inner_Config.NO_OPERANDS), | ||
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| SHOW_CURRENT_CATALOG( | ||
| "SHOW\\s+CURRENT\\s+CATALOG", | ||
| Inner_Config.NO_OPERANDS), | ||
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| SHOW_CURRENT_DATABASE( | ||
| "SHOW\\s+CURRENT\\s+DATABASE", | ||
| Inner_Config.NO_OPERANDS); | ||
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| private final Pattern pattern; | ||
| private final Function<String[], Optional<String[]>> operandConverter; | ||
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| SqlCommand(String matchingRegex, Function<String[], Optional<String[]>> operandConverter) { | ||
| this.pattern = Pattern.compile(matchingRegex, Inner_Config.DEFAULT_PATTERN_FLAGS); | ||
| this.operandConverter = operandConverter; | ||
| } | ||
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| SqlCommand() { | ||
| this.pattern = null; | ||
| this.operandConverter = null; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return super.toString().replace('_', ' '); | ||
| } | ||
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| boolean hasPattern() { | ||
| return pattern != null && operandConverter != null; | ||
| } | ||
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| Pattern getPattern() { | ||
| return pattern; | ||
| } | ||
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| Function<String[], Optional<String[]>> getOperandConverter() { | ||
| return operandConverter; | ||
| } | ||
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| static class Inner_Config { | ||
| private static final Function<String[], Optional<String[]>> NO_OPERANDS = | ||
| (operands) -> Optional.of(new String[0]); | ||
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| private static final int DEFAULT_PATTERN_FLAGS = Pattern.CASE_INSENSITIVE | Pattern.DOTALL; | ||
| } | ||
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| } |
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