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 *
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package org.hsqldb.util;

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;

// sqlbob@users 20020325 - patch 1.7.0 - reengineering

Conversions to / from Hsqldb
Author:
Bob Preston (sqlbob@users dot sourceforge.net)
Version:
1.7.0/**
 * Conversions to / from Hsqldb
 *
 * @author Bob Preston (sqlbob@users dot sourceforge.net)
 * @version 1.7.0
 */
class HsqldbTransferHelper extends TransferHelper {

    public HsqldbTransferHelper() {
        super();
    }

    public HsqldbTransferHelper(TransferDb database, Traceable t, String q) {
        super(database, t, q);
    }

    int convertFromType(int type) {

        if (type == 100) {
            type = Types.VARCHAR;

            tracer.trace("Converted HSQLDB VARCHAR_IGNORECASE to VARCHAR");
        }

        return (type);
    }

    String fixupColumnDefRead(TransferTable t, ResultSetMetaData meta,
                              String columnType, ResultSet columnDesc,
                              int columnIndex) throws SQLException {

        String CompareString = "INTEGER IDENTITY";

        if (columnType.indexOf(CompareString) >= 0) {

            // We just found a increment
            columnType = "SERIAL";
        }

        return (columnType);
    }

    String fixupColumnDefWrite(TransferTable t, ResultSetMetaData meta,
                               String columnType, ResultSet columnDesc,
                               int columnIndex) throws SQLException {

        if (columnType.indexOf("SERIAL") >= 0) {
            columnType = "INTEGER GENERATED BY DEFAULT AS IDENTITY";
        }

        return (columnType);
    }

    String fixupColumnDefRead(String aTableName, ResultSetMetaData meta,
                              String columnType, ResultSet columnDesc,
                              int columnIndex) throws SQLException {
        return fixupColumnDefRead((TransferTable) null, meta, columnType,
                                  columnDesc, columnIndex);
    }

    String fixupColumnDefWrite(String aTableName, ResultSetMetaData meta,
                               String columnType, ResultSet columnDesc,
                               int columnIndex) throws SQLException {
        return fixupColumnDefWrite((TransferTable) null, meta, columnType,
                                   columnDesc, columnIndex);
    }

    String formatName(String t) {
        return formatIdentifier(t);
    }
}