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Foreign keys for _internal database 

Refs #1099 - Datasette now uses compound foreign keys internally,
so it would be great to link them correctly.
pull/1159/head
Simon Willison 2020-12-22 11:48:54 -08:00
rodzic bc1f1e1ce8
commit 270de6527b
1 zmienionych plików z 11 dodań i 4 usunięć
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15
datasette/utils/internal_db.py
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@ -17,7 +17,8 @@ async def init_internal_db(db):
"table_name" TEXT,
"rootpage" INTEGER,
"sql" TEXT,
PRIMARY KEY (database_name, table_name)
PRIMARY KEY (database_name, table_name),
FOREIGN KEY (database_name) REFERENCES databases(database_name)
)
""",
block=True,
@ -34,7 +35,9 @@ async def init_internal_db(db):
"default_value" TEXT, -- renamed from dflt_value
"is_pk" INTEGER, -- renamed from pk
"hidden" INTEGER,
PRIMARY KEY (database_name, table_name, name)
PRIMARY KEY (database_name, table_name, name),
FOREIGN KEY (database_name) REFERENCES databases(database_name),
FOREIGN KEY (database_name, table_name) REFERENCES tables(database_name, table_name)
)
""",
block=True,
@ -49,7 +52,9 @@ async def init_internal_db(db):
"unique" INTEGER,
"origin" TEXT,
"partial" INTEGER,
PRIMARY KEY (database_name, table_name, name)
PRIMARY KEY (database_name, table_name, name),
FOREIGN KEY (database_name) REFERENCES databases(database_name),
FOREIGN KEY (database_name, table_name) REFERENCES tables(database_name, table_name)
)
""",
block=True,
@ -67,7 +72,9 @@ async def init_internal_db(db):
"on_update" TEXT,
"on_delete" TEXT,
"match" TEXT,
PRIMARY KEY (database_name, table_name, id, seq)
PRIMARY KEY (database_name, table_name, id, seq),
FOREIGN KEY (database_name) REFERENCES databases(database_name),
FOREIGN KEY (database_name, table_name) REFERENCES tables(database_name, table_name)
)
""",
block=True,