DROP TABLE IF EXISTS "rtree_<t>_<c>_node"

DROP TABLE IF EXISTS "rtree_<t>_<c>_parent"

DROP TABLE IF EXISTS "rtree_<t>_<c>_rowid"

PRAGMA writable_schema = ON

DELETE FROM sqlite_master WHERE type = "table" AND name = "rtree_<t>_<c>"

PRAGMA writable_schema = OFF