/**
* Creates an interval literal.
*
* @param intervalStr input string of '1:23:04'
* @param intervalQualifier describes the interval type and precision
* @param pos Parser position
*/
public static SqlIntervalLiteral createInterval(
int sign, String intervalStr, SqlIntervalQualifier intervalQualifier, SqlParserPos pos) {
SqlTypeName typeName =
intervalQualifier.isYearMonth()
? SqlTypeName.INTERVAL_YEAR_MONTH
: SqlTypeName.INTERVAL_DAY_TIME;
return new SqlIntervalLiteral(sign, intervalStr, intervalQualifier, typeName, pos);
}
public SqlNode visit(SqlIntervalQualifier intervalQualifier) {
return (SqlNode) intervalQualifier.clone();
}
