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Epoch millis and second formats parse float implicitly (Closes #14641) (#26119) 

`epoch_millis` and `epoch_second` date formats truncate float values, as numbers or as strings.
The `coerce` parameter is not defined for `date` field type and this is not changing.
See PR #26119

Closes #14641
This commit is contained in:
Albert Zaharovits 2017-08-13 08:35:45 +03:00 committed by GitHub
parent 10c3c1aef0
commit 3e3132fe3f
6 changed files with 81 additions and 31 deletions
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6
core/src/main/java/org/elasticsearch/common/joda/Joda.java
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@ -42,6 +42,7 @@ import org.joda.time.format.StrictISODateTimeFormat;
import java.io.IOException;
import java.io.Writer;
import java.math.BigDecimal;
import java.util.Locale;
public class Joda {
@ -331,7 +332,8 @@ public class Joda {
@Override
public int parseInto(DateTimeParserBucket bucket, String text, int position) {
boolean isPositive = text.startsWith("-") == false;
boolean isTooLong = text.length() > estimateParsedLength();
int firstDotIndex = text.indexOf('.');
boolean isTooLong = (firstDotIndex == -1 ? text.length() : firstDotIndex) > estimateParsedLength();
if (bucket.getZone() != DateTimeZone.UTC) {
String format = hasMilliSecondPrecision ? "epoch_millis" : "epoch_second";
@ -342,7 +344,7 @@ public class Joda {
int factor = hasMilliSecondPrecision ? 1 : 1000;
try {
long millis = Long.valueOf(text) * factor;
long millis = new BigDecimal(text).longValue() * factor;
DateTime dt = new DateTime(millis, DateTimeZone.UTC);
bucket.saveField(DateTimeFieldType.year(), dt.getYear());
bucket.saveField(DateTimeFieldType.monthOfYear(), dt.getMonthOfYear());

14
core/src/test/java/org/elasticsearch/deps/joda/SimpleJodaTests.java
View File

@ -260,6 +260,10 @@ public class SimpleJodaTests extends ESTestCase {
} else {
assertThat(dateTime.getMillisOfSecond(), is(0));
}
// test floats get truncated
String epochFloatValue = String.format(Locale.US, "%d.%d", dateTime.getMillis() / (parseMilliSeconds ? 1L : 1000L), randomNonNegativeLong());
assertThat(formatter.parser().parseDateTime(epochFloatValue).getMillis(), is(dateTime.getMillis()));
}
public void testThatNegativeEpochsCanBeParsed() {
@ -281,16 +285,26 @@ public class SimpleJodaTests extends ESTestCase {
assertThat(dateTime.getSecondOfMinute(), is(20));
}
// test floats get truncated
String epochFloatValue = String.format(Locale.US, "%d.%d", dateTime.getMillis() / (parseMilliSeconds ? 1L : 1000L), randomNonNegativeLong());
assertThat(formatter.parser().parseDateTime(epochFloatValue).getMillis(), is(dateTime.getMillis()));
// every negative epoch must be parsed, no matter if exact the size or bigger
if (parseMilliSeconds) {
formatter.parser().parseDateTime("-100000000");
formatter.parser().parseDateTime("-999999999999");
formatter.parser().parseDateTime("-1234567890123");
formatter.parser().parseDateTime("-1234567890123456789");
formatter.parser().parseDateTime("-1234567890123.9999");
formatter.parser().parseDateTime("-1234567890123456789.9999");
} else {
formatter.parser().parseDateTime("-100000000");
formatter.parser().parseDateTime("-1234567890");
formatter.parser().parseDateTime("-1234567890123456");
formatter.parser().parseDateTime("-1234567890.9999");
formatter.parser().parseDateTime("-1234567890123456.9999");
}
}

27
core/src/test/java/org/elasticsearch/index/mapper/DateFieldMapperTests.java
View File

@ -35,6 +35,7 @@ import org.junit.Before;
import java.io.IOException;
import java.util.Collection;
import java.util.Locale;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.notNullValue;
@ -214,6 +215,32 @@ public class DateFieldMapperTests extends ESSingleNodeTestCase {
assertEquals(1457654400000L, pointField.numericValue().longValue());
}
public void testFloatEpochFormat() throws IOException {
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.startObject("properties").startObject("field").field("type", "date")
.field("format", "epoch_millis").endObject().endObject()
.endObject().endObject().string();
DocumentMapper mapper = parser.parse("type", new CompressedXContent(mapping));
assertEquals(mapping, mapper.mappingSource().toString());
double epochFloatMillisFromEpoch = (randomDouble() * 2 - 1) * 1000000;
String epochFloatValue = String.format(Locale.US, "%f", epochFloatMillisFromEpoch);
ParsedDocument doc = mapper.parse(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
.startObject()
.field("field", epochFloatValue)
.endObject()
.bytes(),
XContentType.JSON));
IndexableField[] fields = doc.rootDoc().getFields("field");
assertEquals(2, fields.length);
IndexableField pointField = fields[0];
assertEquals((long)epochFloatMillisFromEpoch, pointField.numericValue().longValue());
}
public void testChangeLocale() throws IOException {
String mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.startObject("properties").startObject("field").field("type", "date").field("locale", "fr").endObject().endObject()

24
core/src/test/java/org/elasticsearch/index/mapper/RangeFieldMapperTests.java
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@ -245,24 +245,24 @@ public class RangeFieldMapperTests extends AbstractNumericFieldMapperTestCase {
IndexableField pointField = fields[1];
assertEquals(2, pointField.fieldType().pointDimensionCount());
mapping = XContentFactory.jsonBuilder().startObject().startObject("type")
.startObject("properties").startObject("field").field("type", type).field("coerce", false).endObject().endObject()
.endObject().endObject();
// date_range ignores the coerce parameter and epoch_millis date format truncates floats (see issue: #14641)
if (type.equals("date_range") == false) {
mapping = XContentFactory.jsonBuilder().startObject().startObject("type").startObject("properties").startObject("field")
.field("type", type).field("coerce", false).endObject().endObject().endObject().endObject();
DocumentMapper mapper2 = parser.parse("type", new CompressedXContent(mapping.string()));
assertEquals(mapping.string(), mapper2.mappingSource().toString());
ThrowingRunnable runnable = () -> mapper2.parse(SourceToParse.source("test", "type", "1", XContentFactory.jsonBuilder()
.startObject()
.startObject("field")
.field(getFromField(), "5.2")
.field(getToField(), "10")
.endObject()
.endObject().bytes(),
ThrowingRunnable runnable = () -> mapper2
.parse(SourceToParse.source(
"test", "type", "1", XContentFactory.jsonBuilder().startObject().startObject("field")
.field(getFromField(), "5.2").field(getToField(), "10").endObject().endObject().bytes(),
XContentType.JSON));
MapperParsingException e = expectThrows(MapperParsingException.class, runnable);
assertThat(e.getCause().getMessage(), anyOf(containsString("passed as String"),
containsString("failed to parse date"), containsString("is not an IP string literal")));
assertThat(e.getCause().getMessage(), anyOf(containsString("passed as String"), containsString("failed to parse date"),
containsString("is not an IP string literal")));
}
}
@Override

23
core/src/test/java/org/elasticsearch/search/aggregations/bucket/DateRangeIT.java
View File

@ -1014,17 +1014,20 @@ public class DateRangeIT extends ESIntegTestCase {
assertBucket(buckets.get(0), 2L, "1000-3000", 1000000L, 3000000L);
assertBucket(buckets.get(1), 1L, "3000-4000", 3000000L, 4000000L);
// however, e-notation should and fractional parts provided as string
// should be parsed and error if not compatible
Exception e = expectThrows(Exception.class, () -> client().prepareSearch(indexName).setSize(0)
.addAggregation(dateRange("date_range").field("date").addRange("1.0e3", "3.0e3").addRange("3.0e3", "4.0e3")).get());
assertThat(e.getCause(), instanceOf(ElasticsearchParseException.class));
assertEquals("failed to parse date field [1.0e3] with format [epoch_second]", e.getCause().getMessage());
// also e-notation and floats provided as string also be truncated (see: #14641)
searchResponse = client().prepareSearch(indexName).setSize(0)
.addAggregation(dateRange("date_range").field("date").addRange("1.0e3", "3.0e3").addRange("3.0e3", "4.0e3")).get();
assertThat(searchResponse.getHits().getTotalHits(), equalTo(3L));
buckets = checkBuckets(searchResponse.getAggregations().get("date_range"), "date_range", 2);
assertBucket(buckets.get(0), 2L, "1000-3000", 1000000L, 3000000L);
assertBucket(buckets.get(1), 1L, "3000-4000", 3000000L, 4000000L);
e = expectThrows(Exception.class, () -> client().prepareSearch(indexName).setSize(0)
.addAggregation(dateRange("date_range").field("date").addRange("1000.123", "3000.8").addRange("3000.8", "4000.3")).get());
assertThat(e.getCause(), instanceOf(ElasticsearchParseException.class));
assertEquals("failed to parse date field [1000.123] with format [epoch_second]", e.getCause().getMessage());
searchResponse = client().prepareSearch(indexName).setSize(0)
.addAggregation(dateRange("date_range").field("date").addRange("1000.123", "3000.8").addRange("3000.8", "4000.3")).get();
assertThat(searchResponse.getHits().getTotalHits(), equalTo(3L));
buckets = checkBuckets(searchResponse.getAggregations().get("date_range"), "date_range", 2);
assertBucket(buckets.get(0), 2L, "1000-3000", 1000000L, 3000000L);
assertBucket(buckets.get(1), 1L, "3000-4000", 3000000L, 4000000L);
// using different format should work when to/from is compatible with
// format in aggregation

10
core/src/test/java/org/elasticsearch/search/query/SearchQueryIT.java
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@ -1699,11 +1699,15 @@ public class SearchQueryIT extends ESIntegTestCase {
assertAcked(client().admin().indices().preparePutMapping("test").setType("type").setSource("field", "type=date,format=epoch_millis").get());
indexRandom(true, client().prepareIndex("test", "type", "1").setSource("field", -1000000000001L),
client().prepareIndex("test", "type", "2").setSource("field", -1000000000000L),
client().prepareIndex("test", "type", "3").setSource("field", -999999999999L));
client().prepareIndex("test", "type", "3").setSource("field", -999999999999L),
client().prepareIndex("test", "type", "4").setSource("field", -1000000000001.0123456789),
client().prepareIndex("test", "type", "5").setSource("field", -1000000000000.0123456789),
client().prepareIndex("test", "type", "6").setSource("field", -999999999999.0123456789));
assertHitCount(client().prepareSearch("test").setSize(0).setQuery(rangeQuery("field").lte(-1000000000000L)).get(), 2);
assertHitCount(client().prepareSearch("test").setSize(0).setQuery(rangeQuery("field").lte(-999999999999L)).get(), 3);
assertHitCount(client().prepareSearch("test").setSize(0).setQuery(rangeQuery("field").lte(-1000000000000L)).get(), 4);
assertHitCount(client().prepareSearch("test").setSize(0).setQuery(rangeQuery("field").lte(-999999999999L)).get(), 6);
}
public void testRangeQueryWithTimeZone() throws Exception {