Details
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Bug
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Resolution: Duplicate
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Minor - P4
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None
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None
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None
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Query
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ALL
Description
The documentation says that cursor.batchSize() takes negative arguments.
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"3.2.6" |
> db.version()
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3.2.6
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> version()
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3.2.6
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> db.testcol.find().batchSize(-5)
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Error: error: {
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"waitedMS" : NumberLong(0),
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"ok" : 0,
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"errmsg" : "batchSize value must be non-negative",
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"code" : 2
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}
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> db.testcol1.explain().find().batchSize(-5)
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2016-06-14T13:56:00.545+1000 E QUERY [thread1] Error: explain failed: { "ok" : 0, "errmsg" : "batchSize value must be non-negative", "code" : 2 } :
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_getErrorWithCode@src/mongo/shell/utils.js:25:13
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throwOrReturn@src/mongo/shell/explainable.js:31:1
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constructor/this.finish@src/mongo/shell/explain_query.js:176:24
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constructor/this.shellPrint@src/mongo/shell/explain_query.js:215:26
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shellPrintHelper@src/mongo/shell/utils.js:489:1
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@(shell2):1:1
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"3.0.12" |
> db.testcol.find().batchSize(-10)
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{ "_id" : ObjectId("575f809faa700ec9ca969857"), "a" : 0, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca969858"), "a" : 1, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca969859"), "a" : 2, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985a"), "a" : 3, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985b"), "a" : 4, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985c"), "a" : 5, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985d"), "a" : 6, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985e"), "a" : 7, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca96985f"), "a" : 8, "b" : "text" }
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{ "_id" : ObjectId("575f809faa700ec9ca969860"), "a" : 9, "b" : "text" }
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> db.testcol.explain().find().batchSize(-10)
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2016-06-14T13:58:06.721+1000 E QUERY Error: explain failed: { "ok" : 0, "errmsg" : "batchSize value must be positive", "code" : 2 }
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at Error (<anonymous>)
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at Function.throwOrReturn (src/mongo/shell/explainable.js:34:19)
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at constructor.finish (src/mongo/shell/explain_query.js:188:36)
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at constructor.shellPrint (src/mongo/shell/explain_query.js:228:31)
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at shellPrintHelper (src/mongo/shell/utils.js:396:18)
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at (shell2):1:19 at src/mongo/shell/explainable.js:34
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I am not sure if which behaviour is desired, if it's the one we have with 3.2 please move this ticket into DOCS.
Attachments
Issue Links
- duplicates
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SERVER-21814 In "commands" readMode, shell should translate negative batchSize to positive batchSize + singleBatch
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- Closed
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