How to use

quoteStringLiteralUnicode

method

in

org.apache.calcite.sql.SqlDialect

/**
 * Converts a string into a string literal. For example, <code>can't
 * run</code> becomes <code>'can''t run'</code>.
 */
public String quoteStringLiteral(String val) {
 if (containsNonAscii(val)) {
  final StringBuilder buf = new StringBuilder();
  quoteStringLiteralUnicode(buf, val);
  return buf.toString();
 } else {
  val = FakeUtil.replace(val, "'", "''");
  return "'" + val + "'";
 }
}

/**
 * Converts a string into a string literal. For example, <code>can't
 * run</code> becomes <code>'can''t run'</code>.
 */
public String quoteStringLiteral(String val) {
 if (containsNonAscii(val)) {
  final StringBuilder buf = new StringBuilder();
  quoteStringLiteralUnicode(buf, val);
  return buf.toString();
 } else {
  val = FakeUtil.replace(val, "'", "''");
  return "'" + val + "'";
 }
}