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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[GODRIVER-591] ChangeStream option BatchSize is passed to the pipeline stage instead to the cursor </title>
                <link>https://jira.mongodb.org/browse/GODRIVER-591</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;The &lt;tt&gt;BatchSize&lt;/tt&gt; change stream option is passed into &lt;tt&gt;$changestream&lt;/tt&gt; aggregation pipeline instead to the cursor of the aggregation within &lt;tt&gt;Watch()&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;When performing:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;	changeStreamOpts := changestreamopt.BundleChangeStream(changestreamopt.BatchSize(1000))&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;	cursor, err := collection.Watch(context.Background(), nil, changeStreamOpts)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;Resulting in error message:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2018/10/08 14:53:47 (Location40415) BSON field &apos;$changeStream.batchSize&apos; is an unknown field.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
&lt;p&gt;Looking at the code &lt;br/&gt;
 &lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/blob/v0.0.15/mongo/change_stream.go#L66-L73&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/blob/v0.0.15/mongo/change_stream.go#L66-L73&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;only &lt;tt&gt;maxAwaitTimeMS&lt;/tt&gt; is passed to the cursor, but &lt;tt&gt;batchSize&lt;/tt&gt; is passed into the pipeline operator.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;This affects current version 0.0.15&lt;/p&gt;</description>
                <environment></environment>
        <key id="615246">GODRIVER-591</key>
            <summary>ChangeStream option BatchSize is passed to the pipeline stage instead to the cursor </summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="divjot.arora@mongodb.com">Divjot Arora</assignee>
                                    <reporter username="wan.bachtiar@mongodb.com">Wan Bachtiar</reporter>
                        <labels>
                            <label>beta</label>
                    </labels>
                <created>Mon, 8 Oct 2018 04:26:29 +0000</created>
                <updated>Sat, 28 Oct 2023 11:39:24 +0000</updated>
                            <resolved>Tue, 27 Nov 2018 19:31:37 +0000</resolved>
                                                    <fixVersion>0.1.0</fixVersion>
                                    <component>CRUD</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2073193" author="xgen-internal-githook" created="Tue, 27 Nov 2018 19:30:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Divjot Arora&apos;, &apos;email&apos;: &apos;divjot.arora@10gen.com&apos;, &apos;username&apos;: &apos;divjotarora&apos;}
&lt;p&gt;Message: Add helpers to create database and client change streams.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-437&quot; title=&quot;Add helpers for database and client level change streams&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-437&quot;&gt;&lt;del&gt;GODRIVER-437&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-469&quot; title=&quot;Update ChangeStream spec to detail usage of startAtOperationTime&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-469&quot;&gt;&lt;del&gt;GODRIVER-469&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-591&quot; title=&quot;ChangeStream option BatchSize is passed to the pipeline stage instead to the cursor &quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-591&quot;&gt;&lt;del&gt;GODRIVER-591&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Change-Id: I52270279e9ea05c1e64e5ec3d9d8a86478cd9986&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/f0d2014f595ef724540c224188c776086437c3e7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/f0d2014f595ef724540c224188c776086437c3e7&lt;/a&gt;&lt;/p&gt;</comment>
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