added notes about default limit set by elasticsearch

extensions/elasticsearch/ActiveQuery.php

@@ -39,6 +39,9 @@ use yii\db\ActiveQueryTrait;
  * $customers = Customer::find()->with('orders')->asArray()->all();
  * ~~~
  *
+ * NOTE: elasticsearch limits the number of records returned to 10 records by default.
+ * If you expect to get more records you should specify limit explicitly.
+ *
  * @author Carsten Brandt <mail@cebe.cc>
  * @since 2.0
  */

extensions/elasticsearch/ActiveRelation.php

@@ -22,6 +22,11 @@ use yii\db\ActiveRelationTrait;
  *
  * If a relation involves a pivot table, it may be specified by [[via()]] method.
  *
+ * NOTE: elasticsearch limits the number of records returned by any query to 10 records by default.
+ * If you expect to get more records you should specify limit explicitly in relation definition.
+ * This is also important for relations that use [[via()]] so that if via records are limited to 10
+ * the relations records can also not be more than 10.
+ *
  * @author Carsten Brandt <mail@cebe.cc>
  * @since 2.0
  */

extensions/elasticsearch/Query.php

@@ -46,6 +46,9 @@ use yii\db\QueryTrait;
  * - [[column()]]: returns the value of the first column in the query result.
  * - [[exists()]]: returns a value indicating whether the query result has data or not.
  *
+ * NOTE: elasticsearch limits the number of records returned to 10 records by default.
+ * If you expect to get more records you should specify limit explicitly.
+ *
  * @author Carsten Brandt <mail@cebe.cc>
  * @since 2.0
  */

extensions/elasticsearch/README.md

@@ -48,6 +48,13 @@ Using the Query
 
 TBD
 
+> **NOTE:** elasticsearch limits the number of records returned by any query to 10 records by default.
+> If you expect to get more records you should specify limit explicitly in relation definition.
+ * This is also important for relations that use [[via()]] so that if via records are limited to 10
+ * the relations records can also not be more than 10.
+ *
+
+
 Using the ActiveRecord
 ----------------------
 
@@ -113,6 +120,12 @@ It supports the same interface and features except the following limitations and
   on how to compose `query` and `filter` parts.
 - It is also possible to define relations from elasticsearch ActiveRecords to normal ActiveRecord classes and vice versa.
 
+> **NOTE:** elasticsearch limits the number of records returned by any query to 10 records by default.
+> If you expect to get more records you should specify limit explicitly in query **and also** relation definition.
+> This is also important for relations that use via() so that if via records are limited to 10
+> the relations records can also not be more than 10.
+
+
 Usage example:
 
 ```php