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Retain timestamp of migrated data points! #116

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Merged
merged 1 commit into from
May 19, 2021
Merged

Retain timestamp of migrated data points! #116

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6 changes: 6 additions & 0 deletions infrastructure/src/main/java/scala/bench/DataMigrator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
import org.influxdb.dto.QueryResult;

import java.io.IOException;
import java.time.Instant;
import java.util.*;
import java.util.concurrent.TimeUnit;

Expand Down Expand Up @@ -40,10 +41,13 @@ public static void main(String[] args) {
List<String> newFieldNames = new ArrayList<>(series.getColumns());
int javaVersionIndex = newFieldNames.indexOf(JAVA_VERSION_TAG_NAME);
newFieldNames.remove(javaVersionIndex);
assert (newFieldNames.get(0).equals("time"));
newFieldNames.remove(0);
Point.Builder builder = Point.measurement(newMeasure);
Map<String, String> newTags = new HashMap<>(series.getTags());
List<Object> newValues = new ArrayList<>(series.getValues().get(0));
Object removed = newValues.remove(javaVersionIndex);
String time = (String) newValues.remove(0);
newTags.put(JAVA_VERSION_TAG_NAME, (String) removed);
newTags.entrySet().removeIf(x -> x.getValue() == null || x.getValue().equals(""));
builder.tag(newTags);
Expand All @@ -53,6 +57,8 @@ public static void main(String[] args) {
newFieldsMap.put(newFieldNames.get(i), newValues.get(i));
}
builder.fields(newFieldsMap);
Instant parse = Instant.parse(time);
builder.time(parse.toEpochMilli(), TimeUnit.MILLISECONDS);
Point point = builder.build();
batchPoints.point(point);
}
Expand Down