Module expression_methods

Adds various methods to construct new expressions. These traits are exported by default, and implemented automatically.

You can rely on the methods provided by this trait existing on any Expression of the appropriate type. You should not rely on the specific traits existing, their names, or their organization.

Traits

• BoolExpressionMethods
  Methods present on boolean expressions
• EscapeExpressionMethods
  Adds the escape method to LIKE and NOT LIKE. This is used to specify the escape character for the pattern.
• ExpressionMethods
  Methods present on all expressions, except tuples
• NullableExpressionMethods
  Methods present on all expressions
• PgArrayExpressionMethods
  PostgreSQL specific methods present on array expressions.
• PgExpressionMethods
  PostgreSQL specific methods which are present on all expressions.
• PgSortExpressionMethods
  PostgreSQL expression methods related to sorting.
• PgTextExpressionMethods
  PostgreSQL specific methods present on text expressions.
• PgTimestampExpressionMethods
  PostgreSQL specific methods present on timestamp expressions.
• TextExpressionMethods
  Methods present on text expressions
• TextOrNullableText
  Marker trait used to implement PgTextExpressionMethods on the appropriate types. Once coherence takes associated types into account, we can remove this trait.