lemon.external.gadfly.operations

Package lemon :: Package external :: Package gadfly :: Module operations

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Module lemon.external.gadfly.operations

Database modification statement semantics

:Author: Aaron Watters
:Maintainers: http://gadfly.sf.net/
:Copyright: Aaron Robert Watters, 1994
:Id: $Id: operations.py,v 1.1 2003/08/12 09:17:12 thejimmyg Exp $:

Classes
`ColumnDef`
`CreateIndex`	create index operation...
`CreateTable`	create table operation...
`CreateView`	CREATE VIEW name (namelist) AS selection...
`DeleteOp`
`DropIndex`
`DropTable`
`DropView`	DROP VIEW name...
`InsertOp`
`InsertSubSelect`
`InsertValues`
`Ordered_DDF`	mixin for DDF statement sorting, subclass defines s.cmp(o)...
`UpdateOp`

Function Summary
	`evalcond(cond, eqs, target, dyn, rassns, translate, invtrans)` factored out shared op between Update and Delete.

Variable Summary
`str`	`COLDEFFMT` = `'%s %s %s %s'`
`str`	`CREATEINDEXFMT` = `'CREATE %sINDEX %s ON %s (\n %s\n )...`
`str`	`CTFMT` = `'CREATE TABLE %s (\n %s\n )'`
`list`	`ddf_order` = `[<class lemon.external.gadfly.operations.Cre...`
`list`	`Insert_dummy_arg` = `[((1, 1), 1)]`
`str`	`INSFMT` = `'INSERT INTO %s\n%s\n%s'`
`str`	`UPDFMT` = `'UPDATE %s\nSET %s\nWHERE %s'`
`str`	`viewfmt` = `'CREATE VIEW %s (%s) AS\n%s'`

Function Details

evalcond(cond, eqs, target, dyn, rassns, translate, invtrans)

factored out shared op between Update and Delete.

Variable Details

COLDEFFMT

Type:: str
Value:: '%s %s %s %s'

CREATEINDEXFMT

Type:: str
Value:: '''CREATE %sINDEX %s ON %s ( %s )'''

CTFMT

Type:: str
Value:: '''CREATE TABLE %s ( %s )'''

ddf_order

Type:: list
Value:: [<class lemon.external.gadfly.operations.CreateTable at 0x0164D870>, <class lemon.external.gadfly.operations.CreateIndex at 0x0164D8D0>, <class lemon.external.gadfly.operations.CreateView at 0x0164D8A0>]

Insert_dummy_arg

Type:: list
Value:: [((1, 1), 1)]

INSFMT

Type:: str
Value:: '''INSERT INTO %s %s %s'''

UPDFMT

Type:: str
Value:: '''UPDATE %s SET %s WHERE %s'''

viewfmt

Type:: str
Value:: '''CREATE VIEW %s (%s) AS %s'''

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