1 new changeset in galaxy-central:
http://bitbucket.org/galaxy/galaxy-central/changeset/7850b1df5d39/ changeset: 7850b1df5d39 user: jgoecks date: 2011-09-22 18:18:38 summary: Improvements for dataset display on saved histories page: (1) performance improvements using a single query rather than iteration; and (2) do not count hidden datasets. affected #: 1 file (-1 bytes)
--- a/lib/galaxy/web/controllers/history.py Thu Sep 22 11:36:11 2011 -0400 +++ b/lib/galaxy/web/controllers/history.py Thu Sep 22 12:18:38 2011 -0400 @@ -11,7 +11,8 @@ from galaxy.tools.parameters.basic import UnvalidatedValue from galaxy.tools.actions import upload_common from galaxy.tags.tag_handler import GalaxyTagHandler -from sqlalchemy.sql.expression import ClauseElement +from sqlalchemy.sql.expression import ClauseElement, func +from sqlalchemy.sql import select import webhelpers, logging, operator, os, tempfile, subprocess, shutil, tarfile from datetime import datetime from cgi import escape @@ -26,11 +27,29 @@ # Custom column types class DatasetsByStateColumn( grids.GridColumn ): def get_value( self, trans, grid, history ): + # Build query to get (state, count) pairs. + cols_to_select = [ trans.app.model.Dataset.table.c.state, func.count( '*' ) ] + from_obj = trans.app.model.HistoryDatasetAssociation.table.join( trans.app.model.Dataset.table ) + where_clause = and_( trans.app.model.HistoryDatasetAssociation.table.c.history_id == history.id, + trans.app.model.HistoryDatasetAssociation.table.c.deleted == False, + trans.app.model.HistoryDatasetAssociation.table.c.visible == True, + ) + group_by = trans.app.model.Dataset.table.c.state + query = select( columns=cols_to_select, + from_obj=from_obj, + whereclause=where_clause, + group_by=group_by ) + + # Process results. + state_count_dict = {} + for row in trans.sa_session.execute( query ): + state, count = row + state_count_dict[ state ] = count rval = [] for state in ( 'ok', 'running', 'queued', 'error' ): - total = sum( 1 for d in history.active_datasets if d.state == state ) - if total: - rval.append( '<div class="count-box state-color-%s">%s</div>' % ( state, total ) ) + count = state_count_dict.get( state, 0 ) + if count: + rval.append( '<div class="count-box state-color-%s">%s</div>' % ( state, count ) ) else: rval.append( '' ) return rval
Repository URL: https://bitbucket.org/galaxy/galaxy-central/
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