[−][src]Trait diesel::query_builder::SelectQuery

pub trait SelectQuery {
    type SqlType;
}

Indicates that a type is a SELECT statement.

This trait differs from Query in two ways:

  • It is implemented only for select statements, rather than all queries which return a value.
  • It has looser constraints. A type implementing SelectQuery is known to be potentially valid if used as a subselect, but it is not necessarily able to be executed.

Associated Types

type SqlType

The SQL type of the SELECT clause

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Implementors

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