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Module: algebra ./src/peak/query/algebra.py

Relational Algebra

Imported modules   
from cStringIO import StringIO
from copy import deepcopy, _deepcopy_dispatch
import interfaces
from interfaces import *
from peak.api import *
from peak.util.Graph import Graph
from peak.util.hashcmp import HashAndCompare
from sets import Set, ImmutableSet
Functions   
aggregate
function
  aggregate 
aggregate ( name )

  function 
function ( name )

Classes   

AbstractDV

AbstractRV

AbstractSQLRenderable

Aggregate

And

BasicJoin

Cmp

Column

ContextProxy

EMPTY

Func

GroupBy

Not

Or

Parameter

PhysicalDB

SQLWriter

Table

_compound

_expr


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