How to use

fixedPointNumberCastTarget

method

in

org.hibernate.dialect.MySQLDialect

/**
 * Determine the cast target for {@link Types#FLOAT} and {@link Types#REAL} (DOUBLE)
 *
 * @return The proper cast target type.
 */
protected String floatingPointNumberCastTarget() {
  // MySQL does not allow casting to DOUBLE nor FLOAT, so we have to cast these as DECIMAL.
  // MariaDB does allow casting to DOUBLE, although not FLOAT.
  return fixedPointNumberCastTarget();
}

@Override
public String getCastTypeName(int code) {
  switch ( code ) {
    case Types.BOOLEAN:
      return "char";
    case Types.INTEGER:
    case Types.BIGINT:
    case Types.SMALLINT:
      return smallIntegerCastTarget();
    case Types.FLOAT:
    case Types.REAL: {
      return floatingPointNumberCastTarget();
    }
    case Types.NUMERIC:
      return fixedPointNumberCastTarget();
    case Types.VARCHAR:
      return "char";
    case Types.VARBINARY:
      return "binary";
    default:
      return super.getCastTypeName( code );
  }
}

/**
 * Determine the cast target for {@link Types#FLOAT} and {@link Types#REAL} (DOUBLE)
 *
 * @return The proper cast target type.
 */
protected String floatingPointNumberCastTarget() {
  // MySQL does not allow casting to DOUBLE nor FLOAT, so we have to cast these as DECIMAL.
  // MariaDB does allow casting to DOUBLE, although not FLOAT.
  return fixedPointNumberCastTarget();
}

@Override
public String getCastTypeName(int code) {
  switch ( code ) {
    case Types.BOOLEAN:
      return "char";
    case Types.INTEGER:
    case Types.BIGINT:
    case Types.SMALLINT:
      return smallIntegerCastTarget();
    case Types.FLOAT:
    case Types.REAL: {
      return floatingPointNumberCastTarget();
    }
    case Types.NUMERIC:
      return fixedPointNumberCastTarget();
    case Types.VARCHAR:
      return "char";
    case Types.VARBINARY:
      return "binary";
    default:
      return super.getCastTypeName( code );
  }
}