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Some expressions implicitly convert types, but this behavior is not always consistent or clearly documented.

is depended on by

SERVER-5239 $project should have numeric type coercion operators

is duplicated by

SERVER-6206 need a policy for incompatible types in operators in aggregation expressions

SERVER-11157 Type casting operator for aggregation (and query)

SERVER-22886 $type projection operator (cast types within aggregation pipelines).

is related to

SERVER-6197 $avg is calculated using integer math for integers even though result value is of type double

SERVER-6145 dividing two integers always produces a double

SERVER-6166 consider expanding to wider data type on math overflow

related to

SERVER-8582 Extend document expression language in aggregation to support advanced document filtering.

SERVER-30461 aggregation $concat expression is inconsistent in type checking with all other string expressions

SERVER-6120 Value::coerceToBool is inconsistent with javascript in some cases

(2 is related to, 3 related to)

Assignee:: [DO NOT USE] Backlog - Query Execution
Reporter:: Andy Schwerin
Participants:: [DO NOT USE] Backlog - Query Execution, Andy Schwerin, Asya Kamsky, David Storch, Raviteja
Votes:: 11 Vote for this issue
Watchers:: 18 Start watching this issue