Coverage for python/lsst/dax/ppdb/ap_verify_queries.py : 33%

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# This file is part of dax_ppdb. # # Developed for the LSST Data Management System. # This product includes software developed by the LSST Project # (http://www.lsst.org). # See the COPYRIGHT file at the top-level directory of this distribution # for details of code ownership. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>.
ApVerify. """
"""Return the number of DiaObjects that have only one DiaSource associated with them.
Parameters ---------- ppdb : `lsst.dax.ppdb.Ppdb` Ppdb object connected to an instantiated database.
Returns ------- count : `int` Number of DiaObjects with exactly one associated DiaSource. """ # Retrieve the DiaObject table. table = ppdb._schema.objects
# Construct the sql statement. stmt = sql.select([func.count()]).select_from(table).where(table.c.nDiaSources == 1) stmt = stmt.where(table.c.validityEnd == None) # noqa: E711
# Return the count. count = ppdb._engine.scalar(stmt)
return count
"""Test whether data from an image has been loaded into the database.
Parameters ---------- ppdb : `lsst.dax.ppdb.Ppdb` Ppdb object connected to an instantiated database. visitInfo : `lsst.afw.image.VisitInfo` The metadata for the image of interest.
Returns ------- isProcessed : `bool` `True` if the data are present, `False` otherwise. """ id = visitInfo.getExposureId() table = ppdb._schema.sources idField = table.c.ccdVisitId
# Hopefully faster than SELECT DISTINCT query = sql.select([idField]).select_from(table) \ .where(idField == id).limit(1)
return ppdb._engine.scalar(query) is not None |