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 *  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
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 *  Unless required by applicable law or agreed to in writing,
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 *  KIND, either express or implied.  See the License for the
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package org.apache.cayenne.dba.postgres;

import java.sql.PreparedStatement;
import java.sql.Types;

import org.apache.cayenne.access.types.ByteArrayType;

/**
 * PostgresByteArrayType is a byte[] type handler that patches the problem with PostgreSQL
 * JDBC driver. Namely the fact that for some misterious reason PostgreSQL JDBC driver (as
 * of 7.3.5) completely ignores the existence of LONGVARBINARY type.
 * 
 * @since 1.2
 */
class PostgresByteArrayType extends ByteArrayType {

    public PostgresByteArrayType(boolean trimmingBytes, boolean usingBlobs) {
        super(trimmingBytes, usingBlobs);
    }

    public void setJdbcObject(
            PreparedStatement st,
            Object val,
            int pos,
            int type,
            int precision) throws Exception {

        // patch PGSQL driver LONGVARBINARY ignorance
        if (type == Types.LONGVARBINARY) {
            type = Types.VARBINARY;
        }

        super.setJdbcObject(st, val, pos, type, precision);
    }
}
