cgivre commented on code in PR #2689:
URL: https://github.com/apache/drill/pull/2689#discussion_r1008082000
##########
contrib/udfs/src/main/java/org/apache/drill/exec/udfs/DateFunctions.java:
##########
@@ -140,8 +143,77 @@ public void eval() {
java.time.format.DateTimeFormatter formatter =
java.time.format.DateTimeFormatter.ofPattern(format);
java.time.LocalDateTime dateTime =
java.time.LocalDateTime.parse(inputDate, formatter);
- java.time.LocalDateTime td =
org.apache.drill.exec.udfs.NearestDateUtils.getDate(dateTime, intervalString);
+ java.time.LocalDateTime td = DateConversionUtils.getDate(dateTime,
intervalString);
out.value =
td.atZone(java.time.ZoneId.of("UTC")).toInstant().toEpochMilli();
}
}
+
+ @FunctionTemplate(names = {"yearweek","year_week"},
+ scope = FunctionTemplate.FunctionScope.SIMPLE,
+ nulls = FunctionTemplate.NullHandling.NULL_IF_NULL)
+ public static class YearWeekFunction implements DrillSimpleFunc {
+ @Param
+ VarCharHolder inputHolder;
+
+ @Output
+ IntHolder out;
+
+ @Override
+ public void setup() {
+ // noop
+ }
+
+ @Override
+ public void eval() {
+ String input =
org.apache.drill.exec.expr.fn.impl.StringFunctionHelpers.toStringFromUTF8(inputHolder.start,
inputHolder.end, inputHolder.buffer);
+ java.time.LocalDateTime dt =
org.apache.drill.exec.udfs.DateUtilFunctions.getTimestampFromString(input);
+ int week = dt.get(java.time.temporal.IsoFields.WEEK_OF_WEEK_BASED_YEAR);
+ int year = dt.getYear();
+ out.value = (year * 100) + week;
+ }
+ }
+
+ @FunctionTemplate(names = {"yearweek","year_week"},
Review Comment:
Wow... I hate it when good functionality is not documented... Thanks for
letting me know about this and I've since updated the Drill docs.
(https://github.com/apache/drill-site/pull/34)
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