[Sqlalchemy-commits] [1184] sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py: fixed oracle's effo
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[Sqlalchemy-commits] [1184] sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py: fixed oracle's efforts to get an ORDER BY for its ROW NUMBER OVER clause, fixed support for multi-leveled Alias objects to render correctly
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><style type="text/css"><!-- #msg dl { border: 1px #006 solid; background: #369; padding: 6px; color: #fff; } #msg dt { float: left; width: 6em; font-weight: bold; } #msg dt:after { content:':';} #msg dl, #msg dt, #msg ul, #msg li { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; } #msg dl a { font-weight: bold} #msg dl a:link { color:#fc3; } #msg dl a:active { color:#ff0; } #msg dl a:visited { color:#cc6; } h3 { font-family: verdana,arial,helvetica,sans-serif; font-size: 10pt; font-weight: bold; } #msg pre { overflow: auto; background: #ffc; border: 1px #fc0 solid; padding: 6px; } #msg ul, pre { overflow: auto; } #patch { width: 100%; } #patch h4 {font-family: verdana,arial,helvetica,sans-serif;font-size:10pt;padding:8px;background:#369;color:#fff;margin:0;} #patch .propset h4, #patch .binary h4 {margin:0;} #patch pre {padding:0;line-height:1.2em;margin:0;} #patch .diff {width:100%;background:#eee;padding: 0 0 10px 0;overflow:auto;} #patch .propset .diff, #patch .binary .diff {padding:10px 0;} #patch span {display:block;padding:0 10px;} #patch .modfile, #patch .addfile, #patch .delfile, #patch .propset, #patch .binary, #patch .copfile {border:1px solid #ccc;margin:10px 0;} #patch ins {background:#dfd;text-decoration:none;display:block;padding:0 10px;} #patch del {background:#fdd;text-decoration:none;display:block;padding:0 10px;} #patch .lines, .info {color:#888;background:#fff;} --></style> <title>[1184] sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py: fixed oracle's efforts to get an ORDER BY for its ROW NUMBER OVER clause, fixed support for multi-leveled Alias objects to render correctly</title> </head> <body> <div id="msg"> <dl> <dt>Revision</dt> <dd>1184</dd> <dt>Author</dt> <dd>zzzeek</dd> <dt>Date</dt> <dd>2006-03-22 10:57:46 -0600 (Wed, 22 Mar 2006)</dd> </dl> <h3>Log Message</h3> <pre>fixed oracle's efforts to get an ORDER BY for its ROW NUMBER OVER clause, fixed support for multi-leveled Alias objects to render correctly</pre> <h3>Modified Paths</h3> <ul> <li><a href="#sqlalchemytrunklibsqlalchemydatabasesoraclepy">sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py</a></li> </ul> </div> <div id="patch"> <h3>Diff</h3> <a id="sqlalchemytrunklibsqlalchemydatabasesoraclepy"></a> <div class="modfile"><h4>Modified: sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py (1183 => 1184)</h4> <pre class="diff"><span> <span class="info">--- sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py 2006-03-22 15:39:57 UTC (rev 1183) +++ sqlalchemy/trunk/lib/sqlalchemy/databases/oracle.py 2006-03-22 16:57:46 UTC (rev 1184) </span><span class="lines">@@ -244,8 +244,8 @@ </span><span class="cx"> </span><span class="cx"> def visit_alias(self, alias): </span><span class="cx"> """oracle doesnt like 'FROM table AS alias'. is the AS standard SQL??""" </span><del>- self.froms[alias] = self.get_from_text(alias.selectable) + " " + alias.name - self.strings[alias] = self.get_str(alias.selectable) </del><ins>+ self.froms[alias] = self.get_from_text(alias.original) + " " + alias.name + self.strings[alias] = self.get_str(alias.original) </ins><span class="cx"> </span><span class="cx"> def visit_column(self, column): </span><span class="cx"> if self._use_ansi: </span><span class="lines">@@ -282,8 +282,10 @@ </span><span class="cx"> if hasattr(select, "order_by_clause"): </span><span class="cx"> orderby = self.strings[select.order_by_clause] </span><span class="cx"> else: </span><ins>+ # to use ROW_NUMBER(), an ORDER BY is required. so here we dig in + # as best we can to find some column we can order by </ins><span class="cx"> # TODO: try to get "oid_column" to be used here </span><del>- orderby = "%s.rowid ASC" % select.froms[0].name </del><ins>+ orderby = "%s.rowid ASC" % select.primary_key[0].original.table.name </ins><span class="cx"> select.append_column(sql.ColumnClause("ROW_NUMBER() OVER (ORDER BY %s)" % orderby).label("ora_rn")) </span><span class="cx"> limitselect = sql.select([c for c in select.c if c.key!='ora_rn']) </span><span class="cx"> if select.offset is not None: </span></span></pre> </div> </div> </body> </html> |
