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Not dropping FKs in InnoDB searchentry tables.

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This commit is contained in:
Dave Hall 2015-08-18 10:24:21 +01:00
parent 48ae7c9d87
commit ee9951bd4d
1 changed files with 7 additions and 6 deletions
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13
src/watson/backends.py
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@ -351,14 +351,15 @@ class MySQLSearchBackend(SearchBackend):
def do_install(self):
"""Executes the MySQL specific SQL code to install django-watson."""
cursor = connection.cursor()
# Drop all foreign keys on the watson_searchentry table.
cursor.execute("SELECT CONSTRAINT_NAME FROM information_schema.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = DATABASE() AND TABLE_NAME = 'watson_searchentry' AND CONSTRAINT_TYPE = 'FOREIGN KEY'")
for constraint_name, in cursor.fetchall():
cursor.execute("ALTER TABLE watson_searchentry DROP FOREIGN KEY {constraint_name}".format(
constraint_name = constraint_name,
))
# Change the storage engine to MyISAM for older MySQL versions.
if get_mysql_version(connection) < (5, 6, 0):
# Drop all foreign keys on the watson_searchentry table.
cursor.execute("SELECT CONSTRAINT_NAME FROM information_schema.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = DATABASE() AND TABLE_NAME = 'watson_searchentry' AND CONSTRAINT_TYPE = 'FOREIGN KEY'")
for constraint_name, in cursor.fetchall():
cursor.execute("ALTER TABLE watson_searchentry DROP FOREIGN KEY {constraint_name}".format(
constraint_name = constraint_name,
))
# Change the storage engine.
cursor.execute("ALTER TABLE watson_searchentry ENGINE = MyISAM")
# Add the full text indexes.
cursor.execute("CREATE FULLTEXT INDEX watson_searchentry_fulltext ON watson_searchentry (title, description, content)")