Operator Families

The operfamily module defines two classes: class OperatorFamily derived from DbSchemaObject and class OperatorFamilyDict derived from DbObjectDict.

Operator Family

OperatorFamily is derived from DbSchemaObject and represents a PostgreSQL operator family.

class pyrseas.dbobject.operfamily.OperatorFamily(name, schema, index_method, description, owner, oid=None)

An operator family

static OperatorFamily.from_map(name, schema, index_method, inobj)

Initialize an operator family instance from a YAML map

Parameters:
  • name – operator family name
  • name – schema name
  • index_method – index method
  • inobj – YAML map of the operator family
Returns:

operator family instance

OperatorFamily.extern_key()

Return the key to be used in external maps for the operator family

Returns:string
OperatorFamily.identifier()

Return a full identifier for an operator family object

Returns:string
OperatorFamily.create(obj, *args, **kwargs)

Return SQL statements to CREATE the operator family

Returns:SQL statements

Operator Family Dictionary

OperatorFamilyDict is derived from DbObjectDict. It is a dictionary that represents the collection of operator families in a database.

class pyrseas.dbobject.operfamily.OperatorFamilyDict(dbconn=None)

The collection of operator families in a database

OperatorFamilyDict.from_map(schema, inopfams)

Initalize the dict of operator families by converting the input map

Parameters:
  • schema – schema owning the operators
  • inopfams – YAML map defining the operator families