102 lines
4.2 KiB
Python
102 lines
4.2 KiB
Python
# Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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# All rights reserved. Contact: Pasi Eronen <pasi.eronen@nokia.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# * Neither the name of the Nokia Corporation and/or its
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# subsidiary(-ies) nor the names of its contributors may be used
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# to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ietf.settings")
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from django.db.models.fields.related import ForeignKey
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from django import db
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from django.db import models
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cursor = db.connection.cursor()
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def check_foreign_key(model, field):
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print "Checking foreign key", model._meta.db_table+"."+field.column
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print " points to:", field.rel.to._meta.db_table+"."+field.rel.field_name
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sql = "SELECT src.%s,src.%s FROM %s AS src LEFT OUTER JOIN %s as dst on src.%s=dst.%s WHERE src.%s IS NOT NULL AND dst.%s IS NULL;" % (model._meta.pk.column, field.column, model._meta.db_table, field.rel.to._meta.db_table, field.column, field.rel.get_related_field().column, field.column, field.rel.get_related_field().column)
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#print sql
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cursor.execute(sql)
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rows = cursor.fetchall()
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if len(rows) == 0:
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print " OK, no hanging rows found"
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else:
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print " ERROR, found", len(rows), "hanging rows"
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for row in rows[0:20]:
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print " ", row
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print " Use the following SQL to debug:"
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print sql
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def check_not_null(model, field):
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print "Checking NULL values", model._meta.db_table+"."+field.column
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sql = "SELECT x.%s,x.%s FROM %s as x WHERE x.%s IS NULL" % (model._meta.pk.column, field.column, model._meta.db_table, field.column)
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cursor.execute(sql)
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rows = cursor.fetchall()
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if len(rows) == 0:
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print " OK"
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else:
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print " ERROR, found", len(rows), "NULL rows"
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for row in rows[0:20]:
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print " ", row
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print " Use the following SQL to debug:"
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print sql
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def check_unique(model,field):
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print "Checking unique values", model._meta.db_table+"."+field.column
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sql = "SELECT %s FROM %s GROUP BY %s HAVING COUNT(*)>1" % (field.column, model._meta.db_table, field.column)
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cursor.execute(sql)
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rows = cursor.fetchall()
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if len(rows) == 0:
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print " OK"
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else:
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print " ERROR, found non-unique rows"
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for row in rows[0:20]:
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print " ", row
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print " Use the following SQL to debug:"
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print sql
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APPS = ['announcements','idrfc','idtracker','iesg','ietfauth','ipr','liaisons','proceedings','redirects']
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all_models = []
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for app_label in APPS:
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all_models.extend(models.get_models(models.get_app(app_label)))
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for model in all_models:
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print "\n\nChecking %s (table %s)" % (model._meta.object_name, model._meta.db_table)
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for f in model._meta.fields:
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if isinstance(f, ForeignKey):
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check_foreign_key(model,f)
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if not f.null:
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check_not_null(model, f)
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if f.unique:
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check_unique(model, f)
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