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SQL: Fix the inconsistent behaviour of ISO_WEEK_YEAR() #68758

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merged 7 commits into from
Feb 11, 2021
Merged

SQL: Fix the inconsistent behaviour of ISO_WEEK_YEAR() #68758

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835ac7b
SQL: Fix the inconsistent behaviour of ISO_WEEK_YEAR()
Feb 9, 2021
8c8b01f
PR feedback
Feb 9, 2021
110858c
Merge remote-tracking branch 'origin/master' into iso_week_of_year-fix
Feb 9, 2021
da98724
PR suggestions
Feb 9, 2021
dc33982
Merge remote-tracking branch 'origin/master' into iso_week_of_year-fix
Feb 9, 2021
0d74049
Added back dateTimeChrono() to stay backward compatible during cluste…
Feb 10, 2021
4e8689b
Merge remote-tracking branch 'origin/master' into iso_week_of_year-fix
Feb 10, 2021
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38 changes: 32 additions & 6 deletions x-pack/plugin/sql/qa/server/src/main/resources/datetime.csv-spec
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Expand Up @@ -131,6 +131,31 @@ SELECT WEEK(birth_date) week, birth_date FROM test_emp ORDER BY WEEK(birth_date)
44 |1961-11-02T00:00:00.000Z
;

isoWeekOfYear
schema::birth_date:ts|iso_week:i|week:i
SELECT birth_date, IW(birth_date) iso_week, WEEK(birth_date) week FROM test_emp WHERE IW(birth_date) < 8 AND week >2 ORDER BY iso_week;

birth_date | iso_week | week
------------------------+---------------+---------------
1955-01-21T00:00:00.000Z|3 |4
1953-01-23T00:00:00.000Z|4 |4
1958-01-21T00:00:00.000Z|4 |4
1959-01-27T00:00:00.000Z|5 |5
1956-02-12T00:00:00.000Z|6 |7
1953-02-08T00:00:00.000Z|6 |7
1960-02-20T00:00:00.000Z|7 |8
;

isoWeekOfYearFilterEquality
SELECT ISO_WEEK_OF_YEAR(CONCAT(CONCAT('2021-01-22T14:26:06.', (salary % 2)::text), 'Z')::datetime) AS iso_week
FROM test_emp WHERE iso_week = 3 LIMIT 2;

iso_week:i
---------------
3
3
;

weekOfYearVsIsoWeekOfYearEdgeCases
SELECT ISO_WEEK_OF_YEAR('2005-01-01T00:00:00.000Z'::datetime) AS "isow2005", WEEK('2005-01-01T00:00:00.000Z'::datetime) AS "w2005",
ISO_WEEK_OF_YEAR('2007-12-31T00:00:00.000Z'::datetime) AS "isow2007", WEEK('2007-12-31T00:00:00.000Z'::datetime) AS "w2007";
Expand Down Expand Up @@ -1303,24 +1328,25 @@ null |null |10
dateTimeAggByIsoWeekOfYear
SELECT IW(birth_date) iso_week, WEEK(birth_date) week FROM test_emp WHERE IW(birth_date) < 20 GROUP BY iso_week, week ORDER BY iso_week;

iso_week:i | week:i
iso_week:i | week:i
---------------+---------------
1 |2
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Note to self: "manual" checking the csv specs sometimes pays off.

2 |2
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;

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16 changes: 2 additions & 14 deletions ...ava/org/elasticsearch/xpack/sql/expression/function/scalar/datetime/DateTimeFunction.java
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Expand Up @@ -16,9 +16,6 @@
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeProcessor.DateTimeExtractor;

import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoField;
import java.time.temporal.Temporal;

import static org.elasticsearch.xpack.ql.expression.gen.script.ParamsBuilder.paramsBuilder;

Expand All @@ -31,24 +28,15 @@ public abstract class DateTimeFunction extends BaseDateTimeFunction {
this.extractor = extractor;
}

public static Integer dateTimeChrono(ZonedDateTime dateTime, String tzId, String chronoName) {
ZonedDateTime zdt = dateTime.withZoneSameInstant(ZoneId.of(tzId));
return dateTimeChrono(zdt, ChronoField.valueOf(chronoName));
}

protected static Integer dateTimeChrono(Temporal dateTime, ChronoField field) {
return Integer.valueOf(dateTime.get(field));
}

@Override
public ScriptTemplate asScript() {
ParamsBuilder params = paramsBuilder();

ScriptTemplate script = super.asScript();
String template = formatTemplate("{sql}.dateTimeChrono(" + script.template() + ", {}, {})");
String template = formatTemplate("{sql}.dateTimeExtract(" + script.template() + ", {}, {})");
params.script(script.params())
.variable(zoneId().getId())
.variable(extractor.chronoField().name());
.variable(extractor.name());

return new ScriptTemplate(template, params.build(), dataType());
}
Expand Down
36 changes: 17 additions & 19 deletions ...va/org/elasticsearch/xpack/sql/expression/function/scalar/datetime/DateTimeProcessor.java
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Expand Up @@ -10,11 +10,12 @@
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;
import java.time.OffsetTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoField;
import java.time.temporal.WeekFields;
import java.time.temporal.IsoFields;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalField;
import java.util.Objects;

public class DateTimeProcessor extends BaseDateTimeProcessor {
Expand All @@ -28,30 +29,18 @@ public enum DateTimeExtractor {
MINUTE_OF_HOUR(ChronoField.MINUTE_OF_HOUR),
MONTH_OF_YEAR(ChronoField.MONTH_OF_YEAR),
SECOND_OF_MINUTE(ChronoField.SECOND_OF_MINUTE),
ISO_WEEK_OF_YEAR(ChronoField.ALIGNED_WEEK_OF_YEAR),
ISO_WEEK_OF_YEAR(IsoFields.WEEK_OF_WEEK_BASED_YEAR),
YEAR(ChronoField.YEAR);

private final ChronoField field;
private final TemporalField field;

DateTimeExtractor(ChronoField field) {
DateTimeExtractor(TemporalField field) {
this.field = field;
}

public int extract(ZonedDateTime dt) {
if (field == ChronoField.ALIGNED_WEEK_OF_YEAR) {
return dt.get(WeekFields.ISO.weekOfWeekBasedYear());
} else {
return dt.get(field);
}
}

public int extract(OffsetTime time) {

public int extract(Temporal time) {
return time.get(field);
}

public ChronoField chronoField() {
return field;
}
}

public static final String NAME = "dt";
Expand Down Expand Up @@ -86,6 +75,15 @@ public Object doProcess(ZonedDateTime dateTime) {
return extractor.extract(dateTime);
}

public static Integer doProcess(ZonedDateTime dateTime, String tzId, String extractorName) {
ZonedDateTime zdt = dateTime.withZoneSameInstant(ZoneId.of(tzId));
return doProcess(zdt, extractorName);
}

protected static Integer doProcess(Temporal dateTime, String extractorName) {
return DateTimeExtractor.valueOf(extractorName).extract(dateTime);
}

@Override
public int hashCode() {
return Objects.hash(extractor, zoneId());
Expand Down
7 changes: 0 additions & 7 deletions ...in/java/org/elasticsearch/xpack/sql/expression/function/scalar/datetime/TimeFunction.java
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Expand Up @@ -12,23 +12,16 @@
import org.elasticsearch.xpack.ql.tree.Source;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeProcessor.DateTimeExtractor;

import java.time.OffsetTime;
import java.time.ZoneId;
import java.time.temporal.ChronoField;

import static org.elasticsearch.xpack.sql.expression.SqlTypeResolutions.isDateOrTime;
import static org.elasticsearch.xpack.sql.util.DateUtils.asTimeAtZone;

public abstract class TimeFunction extends DateTimeFunction {

TimeFunction(Source source, Expression field, ZoneId zoneId, DateTimeExtractor extractor) {
super(source, field, zoneId, extractor);
}

public static Integer dateTimeChrono(OffsetTime time, String tzId, String chronoName) {
return dateTimeChrono(asTimeAtZone(time, ZoneId.of(tzId)), ChronoField.valueOf(chronoName));
}

@Override
protected TypeResolution resolveType() {
return isDateOrTime(field(), sourceText(), Expressions.ParamOrdinal.DEFAULT);
Expand Down
4 changes: 4 additions & 0 deletions ...n/java/org/elasticsearch/xpack/sql/expression/function/scalar/datetime/TimeProcessor.java
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Expand Up @@ -43,6 +43,10 @@ public Object process(Object input) {
private Object doProcess(OffsetTime time) {
return extractor().extract(time);
}

public static Integer doProcess(OffsetTime dateTime, String tzId, String extractorName) {
return DateTimeProcessor.doProcess(asTimeAtZone(dateTime, ZoneId.of(tzId)), extractorName);
}

@Override
public int hashCode() {
Expand Down
12 changes: 6 additions & 6 deletions .../elasticsearch/xpack/sql/expression/function/scalar/whitelist/InternalSqlScriptUtils.java
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Expand Up @@ -15,13 +15,13 @@
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateDiffProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DatePartProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeFormatProcessor.Formatter;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeFunction;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeParseProcessor.Parser;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTimeProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.DateTruncProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.NamedDateTimeProcessor.NameExtractor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.NonIsoDateTimeProcessor.NonIsoDateTimeExtractor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.QuarterProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.TimeFunction;
import org.elasticsearch.xpack.sql.expression.function.scalar.datetime.TimeProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.geo.GeoProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.geo.StDistanceProcessor;
import org.elasticsearch.xpack.sql.expression.function.scalar.geo.StWkttosqlProcessor;
Expand Down Expand Up @@ -221,14 +221,14 @@ public static Number tan(Number value) {
//
// Date/Time functions
//
public static Integer dateTimeChrono(Object dateTime, String tzId, String chronoName) {
if (dateTime == null || tzId == null || chronoName == null) {
public static Integer dateTimeExtract(Object dateTime, String tzId, String extractorName) {
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I don't have a strong preference regarding the method rename however there is an associated cost for it in backwards compatibility.
When executing across older clusters, the generated query would fail since there's no dateTimeExtract in those versions, only dateTimeChrono.

To avoid this, simply keep dateTimeChrono around and redirect it to dateTimeExtract so its backwards compatible or avoid the method rename in the first place.

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Thanks, good catch. It is not just a simple method rename, also the possible values of the last parameter changed (from ChronoField enum to DateTimeExtract enum values). I will keep around a @Deprecated dateTimeChrono() for backwards compatibility that will do this translation. I guess we can remove it in the next major version.

if (dateTime == null || tzId == null || extractorName == null) {
return null;
}
if (dateTime instanceof OffsetTime) {
return TimeFunction.dateTimeChrono((OffsetTime) dateTime, tzId, chronoName);
return TimeProcessor.doProcess((OffsetTime) dateTime, tzId, extractorName);
}
return DateTimeFunction.dateTimeChrono(asDateTime(dateTime), tzId, chronoName);
return DateTimeProcessor.doProcess(asDateTime(dateTime), tzId, extractorName);
}

public static String dayName(Object dateTime, String tzId) {
Expand Down
2 changes: 1 addition & 1 deletion x-pack/plugin/sql/src/main/resources/org/elasticsearch/xpack/sql/plugin/sql_whitelist.txt
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Expand Up @@ -124,7 +124,7 @@ class org.elasticsearch.xpack.sql.expression.function.scalar.whitelist.InternalS
#
# Date/Time functions
#
Integer dateTimeChrono(Object, String, String)
Integer dateTimeExtract(Object, String, String)
String dayName(Object, String)
Integer dayOfWeek(Object, String)
String monthName(Object, String)
Expand Down
26 changes: 13 additions & 13 deletions ...ck/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/planner/QueryTranslatorTests.java
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Expand Up @@ -1214,7 +1214,7 @@ public void testTranslateRoundWithOneParameter() {
assertNotNull(groupingContext);
ScriptTemplate scriptTemplate = groupingContext.tail.script();
assertEquals(
"InternalSqlScriptUtils.round(InternalSqlScriptUtils.dateTimeChrono(InternalQlScriptUtils.docValue(doc,params.v0), "
"InternalSqlScriptUtils.round(InternalSqlScriptUtils.dateTimeExtract(InternalQlScriptUtils.docValue(doc,params.v0), "
+ "params.v1, params.v2),params.v3)",
scriptTemplate.toString());
assertEquals("[{v=date}, {v=Z}, {v=YEAR}, {v=null}]", scriptTemplate.params().toString());
Expand All @@ -1239,7 +1239,7 @@ public void testTranslateRoundWithTwoParameters() {
assertNotNull(groupingContext);
ScriptTemplate scriptTemplate = groupingContext.tail.script();
assertEquals(
"InternalSqlScriptUtils.round(InternalSqlScriptUtils.dateTimeChrono(InternalQlScriptUtils.docValue(doc,params.v0), "
"InternalSqlScriptUtils.round(InternalSqlScriptUtils.dateTimeExtract(InternalQlScriptUtils.docValue(doc,params.v0), "
+ "params.v1, params.v2),params.v3)",
scriptTemplate.toString());
assertEquals("[{v=date}, {v=Z}, {v=YEAR}, {v=-2}]", scriptTemplate.params().toString());
Expand Down Expand Up @@ -1578,7 +1578,7 @@ public void testOrderByYear() {
assertThat(eqe.queryContainer().toString().replaceAll("\\s+", ""),
endsWith("\"sort\":[{\"_script\":{\"script\":{\"source\":\"InternalQlScriptUtils.nullSafeSortNumeric("
+
"InternalSqlScriptUtils.dateTimeChrono(InternalQlScriptUtils.docValue(doc,params.v0)," +
"InternalSqlScriptUtils.dateTimeExtract(InternalQlScriptUtils.docValue(doc,params.v0)," +
"params.v1,params.v2))\",\"lang\":\"painless\",\"params\":{\"v0\":\"date\",\"v1\":\"Z\"," +
"\"v2\":\"YEAR\"}},\"type\":\"number\",\"order\":\"asc\"}}]}"));
}
Expand Down Expand Up @@ -1726,7 +1726,7 @@ public void testGroupByCastScalar() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1743,7 +1743,7 @@ public void testGroupByCastScalarWithAlias() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1760,7 +1760,7 @@ public void testGroupByCastScalarWithNumericRef() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1779,7 +1779,7 @@ public void testGroupByConvertScalar() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1795,7 +1795,7 @@ public void testGroupByConvertScalar() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.dateTimeChrono(" +
endsWith("{\"source\":\"InternalSqlScriptUtils.dateTimeExtract(" +
"InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"HOUR_OF_DAY\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1814,7 +1814,7 @@ public void testGroupByConvertScalarWithAlias() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1829,7 +1829,7 @@ public void testGroupByConvertScalarWithAlias() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.dateTimeChrono(" +
endsWith("{\"source\":\"InternalSqlScriptUtils.dateTimeExtract(" +
"InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"MINUTE_OF_HOUR\"}}," +
"\"missing_bucket\":true,\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand All @@ -1847,7 +1847,7 @@ public void testGroupByConvertScalarWithNumericRef() {
assertThat(
((EsQueryExec) p).queryContainer().aggs().asAggBuilder().toString()
.replaceAll("\\s+", ""),
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeChrono" +
endsWith("{\"source\":\"InternalSqlScriptUtils.cast(InternalSqlScriptUtils.abs(InternalSqlScriptUtils.dateTimeExtract" +
"(InternalQlScriptUtils.docValue(doc,params.v0),params.v1,params.v2)),params.v3)\",\"lang\":\"painless\"," +
"\"params\":{\"v0\":\"date\",\"v1\":\"Z\",\"v2\":\"YEAR\",\"v3\":\"LONG\"}},\"missing_bucket\":true," +
"\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}")
Expand Down Expand Up @@ -2149,11 +2149,11 @@ public void testChronoFieldBasedDateTimeFunctionsWithMathIntervalAndGroupBy() {
assertEquals(EsQueryExec.class, p.getClass());
EsQueryExec eqe = (EsQueryExec) p;
assertThat(eqe.queryContainer().toString().replaceAll("\\s+", ""), containsString(
"{\"terms\":{\"script\":{\"source\":\"InternalSqlScriptUtils.dateTimeChrono("
"{\"terms\":{\"script\":{\"source\":\"InternalSqlScriptUtils.dateTimeExtract("
+ "InternalSqlScriptUtils.add(InternalQlScriptUtils.docValue(doc,params.v0),"
+ "InternalSqlScriptUtils.intervalYearMonth(params.v1,params.v2)),params.v3,params.v4)\","
+ "\"lang\":\"painless\",\"params\":{\"v0\":\"date\",\"v1\":\"P1Y\",\"v2\":\"INTERVAL_YEAR\","
+ "\"v3\":\"Z\",\"v4\":\"" + randomFunction.chronoField().name() + "\"}},\"missing_bucket\":true,"
+ "\"v3\":\"Z\",\"v4\":\"" + randomFunction.name() + "\"}},\"missing_bucket\":true,"
+ "\"value_type\":\"long\",\"order\":\"asc\"}}}]}}}}"));
}

Expand Down