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Type:
Task
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: None
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Labels:None
$mod match expression semantics was changed to:
(1) for dividend parameter - to not match a document if dividend value is either NaN or Infinity; to throw an exception if the rounded dividend value cannot be represented as a 64-bit integer;
(2) for divisor, remainder parameters - to throw an exception if value is either NaN or Infinity, or the rounded value cannot be represented as a 64-bit integer.
Description of Linked Ticket
In classic variant of query execution $mod match expression (ModMatchExpression) interprets dividend value NaN (double) as -9223372036854775808 64-bit integer. In SBE, on the other hand, NaN to 64-bit integer transformation results in Nothing. Furthermore, NumberDecimal("9.999999999999999999999999999999999E+6144") gets interpreted as NumberLong("-9223372036854775808") (classic and SBE). Those two factors, when combined, give unexpected results. Please see "Steps to Reproduce".
- documents
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SERVER-57321 $mod match expression incorrectly handles NaN, Infinity and large values
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- Closed
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