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Fix compatibility with SQLite prior to 3.16.0

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pragma_index_info() and pragma_index_list() were introduced in 3.16.0 but the
version of SQLite running in Travis CI is earlier than that, hence the test
failures:

https://travis-ci.com/simonw/sqlite-utils/jobs/137617744
This commit is contained in:
Simon Willison 2018-08-01 08:29:53 -07:00
commit 0aa28293ad
1 changed files with 6 additions and 6 deletions
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12
sqlite_utils/db.py
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@ -125,13 +125,13 @@ class Table:
@property @property
def indexes(self): def indexes(self):
sql = "select * from pragma_index_list(?)" sql = 'PRAGMA index_list("{}")'.format(self.name)
indexes = [] indexes = []
for row in list(self.db.conn.execute(sql, (self.name,)).fetchall()): for row in list(self.db.conn.execute(sql).fetchall()):
column_sql = "select name from pragma_index_info(?) order by seqno" column_sql = 'PRAGMA index_info("{}")'.format(row[1])
columns = [ columns = []
r[0] for r in self.db.conn.execute(column_sql, (row[1],)).fetchall() for seqno, cid, name in self.db.conn.execute(column_sql).fetchall():
] columns.append(name)
indexes.append(Index(*(row + (columns,)))) indexes.append(Index(*(row + (columns,))))
return indexes return indexes