Examples with TYPE_STRING com.google.zetasql.ZetaSQLType.TypeKind.TYPE_STRING used on opensource projects

Example 1 with TYPE_STRING

use of com.google.zetasql.ZetaSQLType.TypeKind.TYPE_STRING in project beam by apache.

the class ExpressionConverter method convertIntervalToRexIntervalLiteral.

private RexNode convertIntervalToRexIntervalLiteral(ResolvedLiteral resolvedLiteral) {
    if (resolvedLiteral.getType().getKind() != TYPE_STRING) {
        throw new ZetaSqlException(INTERVAL_FORMAT_MSG);
    }
    String valStr = resolvedLiteral.getValue().getStringValue();
    List<String> stringList = Arrays.stream(valStr.split(" ")).filter(s -> !s.isEmpty()).collect(Collectors.toList());
    if (stringList.size() != 3) {
        throw new ZetaSqlException(INTERVAL_FORMAT_MSG);
    }
    if (!Ascii.toUpperCase(stringList.get(0)).equals("INTERVAL")) {
        throw new ZetaSqlException(INTERVAL_FORMAT_MSG);
    }
    long intervalValue;
    try {
        intervalValue = Long.parseLong(stringList.get(1));
    } catch (NumberFormatException e) {
        throw new ZetaSqlException(Status.UNIMPLEMENTED.withDescription(INTERVAL_FORMAT_MSG).withCause(e).asRuntimeException());
    }
    String intervalDatepart = Ascii.toUpperCase(stringList.get(2));
    return createCalciteIntervalRexLiteral(intervalValue, intervalDatepart);
}