SQL Datatype Objects

• The Type Hierarchy
  • The “UPPERCASE” datatypes
  • Using “UPPERCASE” and Backend-specific types for multiple backends
  • • BigInteger
    • Date
    • Enum
    • Float
    • Interval
    • MatchType
    • PickleType
    • SmallInteger
    • Text
    • Unicode
    • Uuid
  • • ARRAY
    • BINARY
    • BOOLEAN
    • DATE
    • DECIMAL
    • DOUBLE_PRECISION
    • INT
    • INTEGER
    • NVARCHAR
    • REAL
    • TEXT
    • TIMESTAMP
    • VARBINARY
• Custom Types
  • Augmenting Existing Types
  • TypeDecorator Recipes
    • Rounding Numerics
    • Backend-agnostic GUID Type
  • Applying SQL-level Bind/Result Processing
  • Creating New Types
• Base Type API
  • • TypeEngine.Comparator
    • TypeEngine.as_generic()
    • TypeEngine.bind_processor()
    • TypeEngine.column_expression()
    • TypeEngine.compare_against_backend()
    • TypeEngine.compile()
    • TypeEngine.evaluates_none()
    • TypeEngine.hashable
    • TypeEngine.python_type
    • TypeEngine.render_literal_cast
    • TypeEngine.should_evaluate_none
    • TypeEngine.with_variant()
  • • Concatenable.Comparator
  • Indexable
    • Indexable.comparator_factory
  • ExternalType