forked from elastic/elasticsearch
/
QueryTranslatorTests.java
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/
QueryTranslatorTests.java
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.xpack.sql.planner;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.xpack.sql.SqlIllegalArgumentException;
import org.elasticsearch.xpack.sql.analysis.analyzer.Analyzer;
import org.elasticsearch.xpack.sql.analysis.index.EsIndex;
import org.elasticsearch.xpack.sql.analysis.index.IndexResolution;
import org.elasticsearch.xpack.sql.analysis.index.MappingException;
import org.elasticsearch.xpack.sql.expression.Expression;
import org.elasticsearch.xpack.sql.expression.function.FunctionRegistry;
import org.elasticsearch.xpack.sql.parser.SqlParser;
import org.elasticsearch.xpack.sql.plan.logical.Filter;
import org.elasticsearch.xpack.sql.plan.logical.LogicalPlan;
import org.elasticsearch.xpack.sql.plan.logical.Project;
import org.elasticsearch.xpack.sql.planner.QueryTranslator.QueryTranslation;
import org.elasticsearch.xpack.sql.querydsl.agg.AggFilter;
import org.elasticsearch.xpack.sql.querydsl.query.Query;
import org.elasticsearch.xpack.sql.querydsl.query.RangeQuery;
import org.elasticsearch.xpack.sql.querydsl.query.ScriptQuery;
import org.elasticsearch.xpack.sql.querydsl.query.TermQuery;
import org.elasticsearch.xpack.sql.querydsl.query.TermsQuery;
import org.elasticsearch.xpack.sql.type.EsField;
import org.elasticsearch.xpack.sql.type.TypesTests;
import org.joda.time.DateTime;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import java.util.Map;
import java.util.TimeZone;
import static org.hamcrest.Matchers.endsWith;
import static org.hamcrest.core.StringStartsWith.startsWith;
public class QueryTranslatorTests extends ESTestCase {
private static SqlParser parser;
private static Analyzer analyzer;
@BeforeClass
public static void init() {
parser = new SqlParser();
Map<String, EsField> mapping = TypesTests.loadMapping("mapping-multi-field-variation.json");
EsIndex test = new EsIndex("test", mapping);
IndexResolution getIndexResult = IndexResolution.valid(test);
analyzer = new Analyzer(new FunctionRegistry(), getIndexResult, TimeZone.getTimeZone("UTC"));
}
@AfterClass
public static void destroy() {
parser = null;
analyzer = null;
}
private LogicalPlan plan(String sql) {
return analyzer.analyze(parser.createStatement(sql), true);
}
public void testTermEqualityAnalyzer() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE some.string = 'value'");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof TermQuery);
TermQuery tq = (TermQuery) query;
assertEquals("some.string.typical", tq.term());
assertEquals("value", tq.value());
}
public void testTermEqualityAnalyzerAmbiguous() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE some.ambiguous = 'value'");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
// the message is checked elsewhere (in FieldAttributeTests)
expectThrows(MappingException.class, () -> QueryTranslator.toQuery(condition, false));
}
public void testTermEqualityNotAnalyzed() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE int = 5");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof TermQuery);
TermQuery tq = (TermQuery) query;
assertEquals("int", tq.term());
assertEquals(5, tq.value());
}
public void testComparisonAgainstColumns() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE date > int");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
SqlIllegalArgumentException ex = expectThrows(SqlIllegalArgumentException.class, () -> QueryTranslator.toQuery(condition, false));
assertEquals("Line 1:43: Comparisons against variables are not (currently) supported; offender [int] in [>]", ex.getMessage());
}
public void testDateRange() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE date > 1969-05-13");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof RangeQuery);
RangeQuery rq = (RangeQuery) query;
assertEquals("date", rq.field());
assertEquals(1951, rq.lower());
}
public void testDateRangeLiteral() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE date > '1969-05-13'");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof RangeQuery);
RangeQuery rq = (RangeQuery) query;
assertEquals("date", rq.field());
assertEquals("1969-05-13", rq.lower());
}
public void testDateRangeCast() {
LogicalPlan p = plan("SELECT some.string FROM test WHERE date > CAST('1969-05-13T12:34:56Z' AS DATE)");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof RangeQuery);
RangeQuery rq = (RangeQuery) query;
assertEquals("date", rq.field());
assertEquals(DateTime.parse("1969-05-13T12:34:56Z"), rq.lower());
}
public void testLikeConstructsNotSupported() {
LogicalPlan p = plan("SELECT LTRIM(keyword) lt FROM test WHERE LTRIM(keyword) LIKE '%a%'");
assertTrue(p instanceof Project);
p = ((Project) p).child();
assertTrue(p instanceof Filter);
Expression condition = ((Filter) p).condition();
SqlIllegalArgumentException ex = expectThrows(SqlIllegalArgumentException.class, () -> QueryTranslator.toQuery(condition, false));
assertEquals("Scalar function (LTRIM(keyword)) not allowed (yet) as arguments for LIKE", ex.getMessage());
}
public void testTranslateInExpression_WhereClause() {
LogicalPlan p = plan("SELECT * FROM test WHERE keyword IN ('foo', 'bar', 'lala', 'foo', concat('la', 'la'))");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof TermsQuery);
TermsQuery tq = (TermsQuery) query;
assertEquals("{\"terms\":{\"keyword\":[\"foo\",\"bar\",\"lala\"],\"boost\":1.0}}",
tq.asBuilder().toString().replaceAll("\\s", ""));
}
public void testTranslateInExpression_WhereClauseAndNullHandling() {
LogicalPlan p = plan("SELECT * FROM test WHERE keyword IN ('foo', null, 'lala', null, 'foo', concat('la', 'la'))");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
Query query = translation.query;
assertTrue(query instanceof TermsQuery);
TermsQuery tq = (TermsQuery) query;
assertEquals("{\"terms\":{\"keyword\":[\"foo\",\"lala\"],\"boost\":1.0}}",
tq.asBuilder().toString().replaceAll("\\s", ""));
}
public void testTranslateInExpressionInvalidValues_WhereClause() {
LogicalPlan p = plan("SELECT * FROM test WHERE keyword IN ('foo', 'bar', keyword)");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
SqlIllegalArgumentException ex = expectThrows(SqlIllegalArgumentException.class, () -> QueryTranslator.toQuery(condition, false));
assertEquals("Line 1:52: Comparisons against variables are not (currently) supported; " +
"offender [keyword] in [keyword IN(foo, bar, keyword)]", ex.getMessage());
}
public void testTranslateInExpression_WhereClause_Painless() {
LogicalPlan p = plan("SELECT int FROM test WHERE POWER(int, 2) IN (10, null, 20, 30 - 10)");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, false);
assertNull(translation.aggFilter);
assertTrue(translation.query instanceof ScriptQuery);
ScriptQuery sc = (ScriptQuery) translation.query;
assertEquals("InternalSqlScriptUtils.nullSafeFilter(InternalSqlScriptUtils.in(" +
"InternalSqlScriptUtils.power(InternalSqlScriptUtils.docValue(doc,params.v0),params.v1), params.v2))",
sc.script().toString());
assertEquals("[{v=int}, {v=2}, {v=[10.0, 20.0]}]", sc.script().params().toString());
}
public void testTranslateInExpression_HavingClause_Painless() {
LogicalPlan p = plan("SELECT keyword, max(int) FROM test GROUP BY keyword HAVING max(int) IN (10, 20, 30 - 10)");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, true);
assertNull(translation.query);
AggFilter aggFilter = translation.aggFilter;
assertEquals("InternalSqlScriptUtils.nullSafeFilter(InternalSqlScriptUtils.in(params.a0, params.v0))",
aggFilter.scriptTemplate().toString());
assertThat(aggFilter.scriptTemplate().params().toString(), startsWith("[{a=MAX(int){a->"));
assertThat(aggFilter.scriptTemplate().params().toString(), endsWith(", {v=[10, 20]}]"));
}
public void testTranslateInExpression_HavingClause_PainlessOneArg() {
LogicalPlan p = plan("SELECT keyword, max(int) FROM test GROUP BY keyword HAVING max(int) IN (10, 30 - 20)");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, true);
assertNull(translation.query);
AggFilter aggFilter = translation.aggFilter;
assertEquals("InternalSqlScriptUtils.nullSafeFilter(InternalSqlScriptUtils.in(params.a0, params.v0))",
aggFilter.scriptTemplate().toString());
assertThat(aggFilter.scriptTemplate().params().toString(), startsWith("[{a=MAX(int){a->"));
assertThat(aggFilter.scriptTemplate().params().toString(), endsWith(", {v=[10]}]"));
}
public void testTranslateInExpression_HavingClause_PainlessAndNullHandling() {
LogicalPlan p = plan("SELECT keyword, max(int) FROM test GROUP BY keyword HAVING max(int) IN (10, null, 20, 30, null, 30 - 10)");
assertTrue(p instanceof Project);
assertTrue(p.children().get(0) instanceof Filter);
Expression condition = ((Filter) p.children().get(0)).condition();
assertFalse(condition.foldable());
QueryTranslation translation = QueryTranslator.toQuery(condition, true);
assertNull(translation.query);
AggFilter aggFilter = translation.aggFilter;
assertEquals("InternalSqlScriptUtils.nullSafeFilter(InternalSqlScriptUtils.in(params.a0, params.v0))",
aggFilter.scriptTemplate().toString());
assertThat(aggFilter.scriptTemplate().params().toString(), startsWith("[{a=MAX(int){a->"));
assertThat(aggFilter.scriptTemplate().params().toString(), endsWith(", {v=[10, 20, 30]}]"));
}
}