163 lines
7.0 KiB
Python
163 lines
7.0 KiB
Python
# ===============================================================================
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# Copyright (C) 2010 Diego Duclos
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#
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# This file is part of pyfa.
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#
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# pyfa is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# pyfa is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with pyfa. If not, see <http://www.gnu.org/licenses/>.
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# ===============================================================================
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import sqlalchemy
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import logging
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logger = logging.getLogger(__name__)
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class DatabaseCleanup:
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def __init__(self):
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pass
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@staticmethod
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def ExecuteSQLQuery(saveddata_engine, query):
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try:
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results = saveddata_engine.execute(query)
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return results
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except sqlalchemy.exc.DatabaseError:
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logger.error("Failed to connect to database or error executing query:\n%s", query)
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return None
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@staticmethod
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def OrphanedCharacterSkills(saveddata_engine):
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# Find orphaned character skills.
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# This solves an issue where the character doesn't exist, but skills for that character do.
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# See issue #917
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logger.debug("Running database cleanup for character skills.")
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query = "SELECT COUNT(*) AS num FROM characterSkills WHERE characterID NOT IN (SELECT ID from characters)"
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results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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if results is None:
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return
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row = results.first()
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if row and row['num']:
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query = "DELETE FROM characterSkills WHERE characterID NOT IN (SELECT ID from characters)"
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delete = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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logger.error("Database corruption found. Cleaning up %d records.", delete.rowcount)
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@staticmethod
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def OrphanedFitDamagePatterns(saveddata_engine):
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# Find orphaned damage patterns.
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# This solves an issue where the damage pattern doesn't exist, but fits reference the pattern.
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# See issue #777
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logger.debug("Running database cleanup for orphaned damage patterns attached to fits.")
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query = "SELECT COUNT(*) AS num FROM fits WHERE damagePatternID NOT IN (SELECT ID FROM damagePatterns) OR damagePatternID IS NULL"
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results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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if results is None:
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return
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row = results.first()
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if row and row['num']:
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# Get Uniform damage pattern ID
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uniform_query = "SELECT ID FROM damagePatterns WHERE name = 'Uniform'"
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uniform_results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, uniform_query)
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if uniform_results is None:
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return
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rows = uniform_results.fetchall()
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if len(rows) == 0:
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logger.error("Missing uniform damage pattern.")
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elif len(rows) > 1:
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logger.error("More than one uniform damage pattern found.")
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else:
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uniform_damage_pattern_id = rows[0]['ID']
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update_query = "UPDATE 'fits' SET 'damagePatternID' = " + str(uniform_damage_pattern_id) + \
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" WHERE damagePatternID NOT IN (SELECT ID FROM damagePatterns) OR damagePatternID IS NULL"
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update_results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, update_query)
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logger.error("Database corruption found. Cleaning up %d records.", update_results.rowcount)
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@staticmethod
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def OrphanedFitCharacterIDs(saveddata_engine):
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# Find orphaned character IDs. This solves an issue where the character doesn't exist, but fits reference the pattern.
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logger.debug("Running database cleanup for orphaned characters attached to fits.")
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query = "SELECT COUNT(*) AS num FROM fits WHERE characterID NOT IN (SELECT ID FROM characters) OR characterID IS NULL"
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results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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if results is None:
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return
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row = results.first()
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if row and row['num']:
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# Get All 5 character ID
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all5_query = "SELECT ID FROM characters WHERE name = 'All 5'"
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all5_results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, all5_query)
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if all5_results is None:
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return
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rows = all5_results.fetchall()
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if len(rows) == 0:
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logger.error("Missing 'All 5' character.")
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elif len(rows) > 1:
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logger.error("More than one 'All 5' character found.")
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else:
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all5_id = rows[0]['ID']
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update_query = "UPDATE 'fits' SET 'characterID' = " + str(all5_id) + \
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" WHERE characterID not in (select ID from characters) OR characterID IS NULL"
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update_results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, update_query)
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logger.error("Database corruption found. Cleaning up %d records.", update_results.rowcount)
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@staticmethod
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def NullDamagePatternNames(saveddata_engine):
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# Find damage patterns that are missing the name.
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# This solves an issue where the damage pattern ends up with a name that is null.
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# See issue #949
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logger.debug("Running database cleanup for missing damage pattern names.")
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query = "SELECT COUNT(*) AS num FROM damagePatterns WHERE name IS NULL OR name = ''"
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results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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if results is None:
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return
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row = results.first()
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if row and row['num']:
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query = "DELETE FROM damagePatterns WHERE name IS NULL OR name = ''"
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delete = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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logger.error("Database corruption found. Cleaning up %d records.", delete.rowcount)
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@staticmethod
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def NullTargetResistNames(saveddata_engine):
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# Find target resists that are missing the name.
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# This solves an issue where the target resist ends up with a name that is null.
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# See issue #949
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logger.debug("Running database cleanup for missing target resist names.")
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query = "SELECT COUNT(*) AS num FROM targetResists WHERE name IS NULL OR name = ''"
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results = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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if results is None:
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return
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row = results.first()
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if row and row['num']:
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query = "DELETE FROM targetResists WHERE name IS NULL OR name = ''"
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delete = DatabaseCleanup.ExecuteSQLQuery(saveddata_engine, query)
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logger.error("Database corruption found. Cleaning up %d records.", delete.rowcount)
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