timoninmaxim commented on code in PR #10767:
URL: https://github.com/apache/ignite/pull/10767#discussion_r1219719004
##########
modules/indexing/src/test/java/org/apache/ignite/cache/query/IndexQueryTestSuite.java:
##########
@@ -46,7 +46,8 @@
ThinClientIndexQueryTest.class,
Review Comment:
Let's test the functionality with thin client too.
##########
modules/indexing/src/test/java/org/apache/ignite/cache/query/IndexQueryLimitTest.java:
##########
@@ -0,0 +1,350 @@
+package org.apache.ignite.cache.query;
+
+import org.apache.ignite.Ignite;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.IgniteDataStreamer;
+import org.apache.ignite.cache.CacheAtomicityMode;
+import org.apache.ignite.cache.CacheMode;
+import org.apache.ignite.cache.query.annotations.QuerySqlField;
+import org.apache.ignite.configuration.CacheConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.internal.processors.cache.query.QueryCursorEx;
+import org.apache.ignite.internal.util.typedef.F;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+import javax.cache.Cache;
+import java.util.*;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.IntUnaryOperator;
+import java.util.stream.Stream;
+
+import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
+import static org.apache.ignite.cache.CacheMode.PARTITIONED;
+import static org.apache.ignite.cache.CacheMode.REPLICATED;
+import static org.apache.ignite.cache.query.IndexQueryCriteriaBuilder.*;
+
+/** */
+@RunWith(Parameterized.class)
+public class IndexQueryLimitTest extends GridCommonAbstractTest {
+ /** */
+ private static final String CACHE = "TEST_CACHE";
+
+ /** */
+ private static final String IDX = "PERSON_ID_IDX";
+
+ /** */
+ private static final String DESC_IDX = "PERSON_DESCID_IDX";
+
+ /** */
+ private static final int CNT = 10_000;
+
+ /** */
+ private Ignite crd;
+
+ /** */
+ private IgniteCache<Long, Person> cache;
+
+ /** */
+ @Parameterized.Parameter
+ public int qryParallelism;
+
+ /** */
+ @Parameterized.Parameter(1)
+ public CacheAtomicityMode atomicityMode;
+
+ /** */
+ @Parameterized.Parameter(2)
+ public CacheMode cacheMode;
+
+ /** */
+ @Parameterized.Parameter(3)
+ public String node;
+
+ /** */
+ @Parameterized.Parameter(4)
+ public int backups;
+
+ /** */
+ @Parameterized.Parameter(5)
+ public String idxName;
+
+ /** Number of duplicates of indexed value. */
+ @Parameterized.Parameter(6)
+ public int duplicates;
+
+ /** */
+ @Parameterized.Parameters(name = "qryPar={0} atomicity={1} mode={2}
node={3} backups={4} idxName={5} duplicates={6}")
Review Comment:
Too many params for this simple functionality. Let's make test simple, like
tests for other params - IndexQueryLocalTest, IndexQueryKeepBinaryTest.
It's enough to check single cache, single index, single backup, with/without
duplicates.
##########
modules/core/src/main/java/org/apache/ignite/cache/query/IndexQuery.java:
##########
@@ -94,11 +97,34 @@ public IndexQuery(Class<?> valCls, @Nullable String
idxName) {
* @param idxName Index name.
*/
public IndexQuery(String valType, @Nullable String idxName) {
+ this(valType, idxName, 0);
+ }
+
+ /**
+ * Specify index with cache value class, index name and limit.
+ *
+ * @param valCls Cache value class.
+ * @param idxName Index name.
+ * @param limit Limits response records count. If 0 or less, considered to
be no limit.
+ */
+ public IndexQuery(Class<?> valCls, @Nullable String idxName, int limit) {
Review Comment:
Let's set `limit` with the setter method only. As we discussed, this
parameter has limited use cases, like `max`. No need to specify it within
constructor.
##########
modules/core/src/main/java/org/apache/ignite/cache/query/IndexQuery.java:
##########
@@ -152,6 +178,27 @@ public String getIndexName() {
return idxName;
}
+ /**
+ * Gets limit to response records count.
+ *
+ * @return Limit value.
+ */
+ public int getLimit() {
+ return limit;
+ }
+
+ /**
+ * Sets limit to response records count.
+ *
+ * @param limit If 0 or less, considered to be no limit.
+ * @return {@code this} For chaining.
+ */
+ public IndexQuery<K, V> setLimit(int limit) {
+ this.limit = limit;
Review Comment:
Let's ensure that limit is positive value.
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