ColumnAliasGenerator.java

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//   http://www.apache.org/licenses/LICENSE-2.0
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// This file is copied from
// https://github.com/apache/impala/blob/branch-2.9.0/fe/src/main/java/org/apache/impala/ColumnAliasGenerator.java
// and modified by Doris

package org.apache.doris.nereids.rules.analysis;

import org.apache.doris.common.AliasGenerator;

/**
 * Generate the table name required in the rewrite process.
 */
public class ColumnAliasGenerator extends AliasGenerator {
    private static final String DEFAULT_COL_ALIAS_PREFIX = "$c$";

    public ColumnAliasGenerator() {
        aliasPrefix = DEFAULT_COL_ALIAS_PREFIX;
    }
}