EnableFeatureClause.java

// 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
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// specific language governing permissions and limitations
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package org.apache.doris.analysis;

import org.apache.doris.alter.AlterOpType;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.UserException;
import org.apache.doris.common.util.PrintableMap;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Map;

public class EnableFeatureClause extends AlterTableClause {
    private static final Logger LOG = LogManager.getLogger(EnableFeatureClause.class);

    public enum Features {
        BATCH_DELETE,
        SEQUENCE_LOAD,
        UPDATE_FLEXIBLE_COLUMNS,
        UNKNOWN
    }

    private String featureName;
    private boolean needSchemaChange;
    private Features feature;
    private Map<String, String> properties;

    public EnableFeatureClause(String featureName) {
        this(featureName, null);
    }

    public EnableFeatureClause(String featureName, Map<String, String> properties) {
        super(AlterOpType.ENABLE_FEATURE);
        this.featureName = featureName;
        this.needSchemaChange = false;
        this.properties = properties;
    }

    public boolean needSchemaChange() {
        return needSchemaChange;
    }

    public Features getFeature() {
        return feature;
    }

    @Override
    public Map<String, String> getProperties() {
        return this.properties;
    }

    @Override
    public void analyze(Analyzer analyzer) throws UserException {
        switch (featureName.toUpperCase()) {
            case "BATCH_DELETE":
                this.needSchemaChange = true;
                this.feature = Features.BATCH_DELETE;
                break;
            case  "SEQUENCE_LOAD":
                this.needSchemaChange = true;
                this.feature = Features.SEQUENCE_LOAD;
                if (properties == null || properties.isEmpty()) {
                    throw new AnalysisException("Properties is not set");
                }
                break;
            case "UPDATE_FLEXIBLE_COLUMNS":
                this.needSchemaChange = true;
                this.feature = Features.UPDATE_FLEXIBLE_COLUMNS;
                break;
            default:
                throw new AnalysisException("unknown feature name: " + featureName);
        }
    }

    @Override
    public boolean allowOpMTMV() {
        return true;
    }

    @Override
    public boolean needChangeMTMVState() {
        return false;
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("ENABLE FEATURE \"").append(featureName).append("\"");
        if (properties != null && !properties.isEmpty()) {
            sb.append(" WITH PROPERTIES (");
            sb.append(new PrintableMap<String, String>(properties, "=", true, false));
            sb.append(")");
        }
        return sb.toString();
    }
}