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[Enhancement] (nereids)implement showEncryptKeysCommand in nereids (#…
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134 changes: 134 additions & 0 deletions
134
...e/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowEncryptKeysCommand.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.Database; | ||
| import org.apache.doris.catalog.DatabaseIf; | ||
| import org.apache.doris.catalog.EncryptKey; | ||
| import org.apache.doris.catalog.Env; | ||
| import org.apache.doris.catalog.ScalarType; | ||
| import org.apache.doris.common.AnalysisException; | ||
| import org.apache.doris.common.ErrorCode; | ||
| import org.apache.doris.common.ErrorReport; | ||
| import org.apache.doris.common.util.ListComparator; | ||
| import org.apache.doris.common.util.OrderByPair; | ||
| import org.apache.doris.common.util.Util; | ||
| import org.apache.doris.mysql.privilege.PrivPredicate; | ||
| 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.base.Strings; | ||
| import com.google.common.collect.Lists; | ||
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| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
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| /** | ||
| * Represents the command for SHOW ENCRYPTKEYS. | ||
| */ | ||
| public class ShowEncryptKeysCommand extends ShowCommand { | ||
| private static final ShowResultSetMetaData META_DATA = | ||
| ShowResultSetMetaData.builder() | ||
| .addColumn(new Column("EncryptKey Name", ScalarType.createVarchar(20))) | ||
| .addColumn(new Column("EncryptKey String", ScalarType.createVarchar(1024))) | ||
| .build(); | ||
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| private String dbName; | ||
| private final String likeString; | ||
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| public ShowEncryptKeysCommand(String databaseName, String likeString) { | ||
| super(PlanType.SHOW_ENCRYPT_KEYS_COMMAND); | ||
| this.dbName = databaseName; | ||
| this.likeString = likeString; | ||
| } | ||
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| private void validate(ConnectContext ctx) throws AnalysisException { | ||
| if (Strings.isNullOrEmpty(dbName)) { | ||
| dbName = ctx.getDatabase(); | ||
| if (Strings.isNullOrEmpty(dbName)) { | ||
| ErrorReport.reportAnalysisException(ErrorCode.ERR_NO_DB_ERROR); | ||
| } | ||
| } | ||
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| // check auth | ||
| if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) { | ||
| ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, | ||
| PrivPredicate.ADMIN.getPrivs().toString()); | ||
| } | ||
| } | ||
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| @Override | ||
| public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| validate(ctx); | ||
| Util.prohibitExternalCatalog(ctx.getDefaultCatalog(), this.getClass().getSimpleName()); | ||
| DatabaseIf db = ctx.getCurrentCatalog().getDbOrAnalysisException(dbName); | ||
| List<List<String>> resultRowSet = Lists.newArrayList(); | ||
| if (db instanceof Database) { | ||
| List<EncryptKey> encryptKeys = ((Database) db).getEncryptKeys(); | ||
| List<List<Comparable>> rowSet = Lists.newArrayList(); | ||
| for (EncryptKey encryptKey : encryptKeys) { | ||
| List<Comparable> row = encryptKey.getInfo(); | ||
| // like predicate | ||
| if (likeString == null || like(encryptKey.getEncryptKeyName().getKeyName())) { | ||
| rowSet.add(row); | ||
| } | ||
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| } | ||
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| // sort function rows by first column asc | ||
| ListComparator<List<Comparable>> comparator = null; | ||
| OrderByPair orderByPair = new OrderByPair(0, false); | ||
| comparator = new ListComparator<>(orderByPair); | ||
| Collections.sort(rowSet, comparator); | ||
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| Set<String> encryptKeyNameSet = new HashSet<>(); | ||
| for (List<Comparable> row : rowSet) { | ||
| List<String> resultRow = Lists.newArrayList(); | ||
| for (Comparable column : row) { | ||
| resultRow.add(column.toString()); | ||
| } | ||
| resultRowSet.add(resultRow); | ||
| encryptKeyNameSet.add(resultRow.get(0)); | ||
| } | ||
| } | ||
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| return new ShowResultSet(META_DATA, resultRowSet); | ||
| } | ||
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| private boolean like(String str) { | ||
| str = str.toLowerCase(); | ||
| return str.matches(likeString.replace(".", "\\.").replace("?", ".").replace("%", ".*").toLowerCase()); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowEncryptKeysCommand(this, context); | ||
| } | ||
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| public ShowResultSetMetaData getMetaData() { | ||
| return META_DATA; | ||
| } | ||
| } | ||
|
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