pub struct AnsiSqlExistsSyntax;
Available on crate feature i-implement-a-third-party-backend-and-opt-into-breaking-changes only.
Expand description

Indicates that this backend treats EXIST() as function like expression

Trait Implementations

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
Formats the value using the given formatter. Read more
Walk over this QueryFragment for all passes. Read more
Converts this QueryFragment to its SQL representation. Read more
Serializes all bind parameters in this query. Read more
Is this query safe to store in the prepared statement cache? Read more
Does walking this AST have any effect?

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Convert self to an expression for Diesel’s query builder. Read more
Convert &self to an expression for Diesel’s query builder. Read more
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.