pub struct Alias<S> { /* private fields */ }
Expand description

Represents an alias within diesel’s query builder

See alias! for more details.

Implementations

Maps a single field of the source table in this alias

Maps multiple fields of the source table in this alias (takes in tuples and some expressions)

Trait Implementations

How many times does Self appear in QS?
The SQL type of Self::Query
What kind of query does this type represent?
Converts a type which semantically represents a SQL query into the actual query being executed. See the trait level docs for more. Read more
The return type of internal_into_boxed
See the trait documentation.
Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
What kind of query does this type represent?
Combine two queries using a SQL UNION Read more
Combine two queries using a SQL UNION ALL
Combine two queries using a SQL INTERSECT
Combine two queries using a SQL INTERSECT ALL
Combine two queries using a SQL EXCEPT
Combine two queries using a SQL EXCEPT ALL
Formats the value using the given formatter. Read more
Returns the “default value” for a type. Read more
The type returned by .filter.
See the trait documentation.
The type returned by .find.
See the trait documentation.
The type returned by .group_by
See the trait documentation.
The type returned by .limit
See the trait documentation
The type returned by set_lock. See dsl::ForUpdate and friends for convenient access to this type. Read more
See the trait level documentation
The type returned by .offset.
See the trait documentation
The type returned by .filter.
See the trait documentation.
The type returned by .order.
See the trait documentation.
Adds a SELECT clause to the query. Read more
Join two tables using a SQL INNER JOIN. Read more
Join two tables using a SQL LEFT OUTER JOIN. Read more
Adds to the WHERE clause of a query. Read more
Adds to the WHERE clause of a query using OR Read more
Attempts to find a single record from the given table by primary key. Read more
Sets the order clause of a query. Read more
Alias for order
Appends to the ORDER BY clause of this SQL query. Read more
Sets the group by clause of a query. Read more
Adds to the HAVING clause of a query. Read more
Boxes the pieces of a query into a single type. Read more
A type which uniquely represents Self in a SQL query. Read more
Can the SQL generated by Self be uniquely identified by its type? Read more
Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
The type returned by from_clause
The type returned by default_selection
The actual FROM clause of this type. This is typically only called in QueryFragment implementations. Read more
The default select clause of this type, which should be used if no select clause was explicitly specified. This should always be a tuple of all the desired columns, not star Read more
Executes the given query, returning a Vec with the returned rows. Read more
Executes the given query, returning an Iterator with the returned rows. Read more
Runs the command, and returns the affected row. Read more
Runs the command, returning an Vec with the affected rows. Read more
The type returned by .select
See the trait documentation
The type returned by .then_order_by.
See the trait documentation.

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
Execute this command

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.