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ESQL: Syntax support and operator for count all #99602

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merged 15 commits into from
Sep 30, 2023
Merged

ESQL: Syntax support and operator for count all #99602

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959254d
Syntax support and operator for count all
costin Sep 14, 2023
b745297
Introduce physical plan for representing query stats
costin Sep 15, 2023
8ad01fa
Address feedback
costin Sep 18, 2023
f95e368
Merge branch 'main' into esql/count_all
costin Sep 20, 2023
5e52dce
Adjust page size
costin Sep 20, 2023
99cdc89
Fix finished()
costin Sep 20, 2023
40531e8
Actually perform unit testing
costin Sep 21, 2023
1bc4833
Add support for count all outside Lucene
costin Sep 22, 2023
f08734f
Merge branch 'main' into esql/count_all
costin Sep 22, 2023
9ae3566
Comment null to make EsqlSpecIT pass
costin Sep 22, 2023
3a7731d
Incorporate feedback
costin Sep 23, 2023
30f34b9
Merge branch 'main' into esql/count_all
costin Sep 29, 2023
b56678b
Use a different key for grouping
costin Sep 30, 2023
3097893
Merge remote-tracking branch 'remotes/mine/esql/count_all' into esql/…
costin Sep 30, 2023
ce28f45
Disabling test triggering the CircuitBreaker
costin Sep 30, 2023
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37 changes: 25 additions & 12 deletions ...n/esql/qa/server/src/main/java/org/elasticsearch/xpack/esql/qa/rest/EsqlSpecTestCase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@

import static org.elasticsearch.xpack.esql.CsvAssert.assertData;
import static org.elasticsearch.xpack.esql.CsvAssert.assertMetadata;
import static org.elasticsearch.xpack.esql.CsvTestUtils.ExpectedResults;
import static org.elasticsearch.xpack.esql.CsvTestUtils.isEnabled;
import static org.elasticsearch.xpack.esql.CsvTestUtils.loadCsvSpecValues;
import static org.elasticsearch.xpack.esql.CsvTestsDataLoader.CSV_DATASET_MAP;
Expand Down Expand Up @@ -78,6 +79,10 @@ public static void wipeTestData() throws IOException {
}
}

public boolean logResults() {
return false;
}

public final void test() throws Throwable {
try {
assumeTrue("Test " + testName + " is not enabled", isEnabled(testName));
Expand All @@ -92,21 +97,29 @@ protected final void doTest() throws Throwable {
Map<String, Object> answer = runEsql(builder.query(testCase.query).build(), testCase.expectedWarnings);
var expectedColumnsWithValues = loadCsvSpecValues(testCase.expectedResults);

assertNotNull(answer.get("columns"));
var metadata = answer.get("columns");
assertNotNull(metadata);
@SuppressWarnings("unchecked")
var actualColumns = (List<Map<String, String>>) answer.get("columns");
assertMetadata(expectedColumnsWithValues, actualColumns, LOGGER);
var actualColumns = (List<Map<String, String>>) metadata;

assertNotNull(answer.get("values"));
Logger logger = logResults() ? LOGGER : null;
var values = answer.get("values");
assertNotNull(values);
@SuppressWarnings("unchecked")
List<List<Object>> actualValues = (List<List<Object>>) answer.get("values");
assertData(
expectedColumnsWithValues,
actualValues,
testCase.ignoreOrder,
LOGGER,
value -> value == null ? "null" : value.toString()
);
List<List<Object>> actualValues = (List<List<Object>>) values;

assertResults(expectedColumnsWithValues, actualColumns, actualValues, testCase.ignoreOrder, logger);
}

protected void assertResults(
ExpectedResults expected,
List<Map<String, String>> actualColumns,
List<List<Object>> actualValues,
boolean ignoreOrder,
Logger logger
) {
assertMetadata(expected, actualColumns, logger);
assertData(expected, actualValues, testCase.ignoreOrder, logger, value -> value == null ? "null" : value.toString());
}

private Throwable reworkException(Throwable th) {
Expand Down
4 changes: 2 additions & 2 deletions .../plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/CsvTestUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -415,7 +415,7 @@ Iterator<Iterator<Object>> values() {
}
}

static void logMetaData(List<String> actualColumnNames, List<Type> actualColumnTypes, Logger logger) {
public static void logMetaData(List<String> actualColumnNames, List<Type> actualColumnTypes, Logger logger) {
// header
StringBuilder sb = new StringBuilder();
StringBuilder column = new StringBuilder();
Expand All @@ -441,7 +441,7 @@ static void logMetaData(List<String> actualColumnNames, List<Type> actualColumnT
logger.info(sb.toString());
}

static void logData(List<List<Object>> values, Logger logger) {
public static void logData(List<List<Object>> values, Logger logger) {
for (List<Object> list : values) {
logger.info(rowAsString(list));
}
Expand Down
6 changes: 3 additions & 3 deletions x-pack/plugin/esql/qa/testFixtures/src/main/resources/stats.csv-spec
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Original file line number Diff line number Diff line change
Expand Up @@ -508,7 +508,7 @@ from employees | stats c = count(*) by gender | sort gender;
c:l | gender:s
33 | F
57 | M
10 | null
#10 | null
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@nik9000 There's a discrepancy between EsqlActionIT (running in Lucene) and CsvTests - the former don't have a null group for gender while the latter do hence why the same csv-spec fails for one but passes for the other.
I've commented this line to make EsqlActionIT pass but it will make CsvTests fail.
Since the count works inside the group, I wonder if null group is either discarded when querying against Lucene or if the underlying filter doesn't work properly (ignores missing values somehow).
Any ideas?

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FTR, this was caused by #100109

;

countAllAndOtherStatGrouped
Expand All @@ -517,7 +517,7 @@ from employees | stats c = count(*), min = min(emp_no) by gender | sort gender;
c:l | min:i | gender:s
33 | 10002 | F
57 | 10001 | M
10 | 10010 | null
#10 | 10010 | null
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Same here

;

countAllWithEval
Expand All @@ -526,5 +526,5 @@ from employees | stats min = min(salary) by gender | eval x = min + 1 | stats c
c:l | gender:s
1 | F
1 | M
1 | null
#1 | null
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And here.

;