scalation
API
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scalation/scalation/scalation.database/Tabular

Tabular

scalation.database.Tabular
See theTabular companion trait
object Tabular

The Tabular companion object provides methods supporting prefix forms for unary relational algebra operators. Example: prefix form vs. postfix form.

π("cname, ccity")(σ("balance < amount")(customer ⋈ deposit ⋈ loan))

(customer ⋈ deposit ⋈ loan).σ("balance < amount").π("cname, ccity")

Attributes

Companion
trait
Graph
Supertypes
class Object
trait Matchable
class Any
Self type
Tabular.type

Members list

Value members

Concrete methods

inline def project[T <: Tabular[LazyRef(...)]](x: String)(tab: Tabular[T]): T
def select[T <: Tabular[LazyRef(...)]](condition: String)(tab: Tabular[T]): T
inline def π[T <: Tabular[LazyRef(...)]](x: String)(tab: Tabular[T]): T
inline def σ[T <: Tabular[LazyRef(...)]](condition: String)(tab: Tabular[T]): T
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