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db: Enable foreign keys and cascade on shachain delete

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Should make maintenance a bit easier.
This commit is contained in:
Christian Decker 2017-07-18 22:13:54 +02:00 • committed by Rusty Russell
parent 8b7efd01d7
commit 416d6bf860
1 changed files with 9 additions and 5 deletions
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14
wallet/db.c
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@ -30,11 +30,11 @@ char *dbmigrations[] = {
min_index INTEGER, \ min_index INTEGER, \
num_valid INTEGER, \ num_valid INTEGER, \
PRIMARY KEY (id));", PRIMARY KEY (id));",
"CREATE TABLE shachain_known ( \ "CREATE TABLE shachain_known ( \
shachain_id INTEGER, \ shachain_id INTEGER REFERENCES shachains(id) ON DELETE CASCADE, \
pos INTEGER, \ pos INTEGER, \
idx INTEGER, \ idx INTEGER, \
hash BLOB, \ hash BLOB, \
PRIMARY KEY (shachain_id, pos));", PRIMARY KEY (shachain_id, pos));",
NULL, NULL,
}; };
@ -155,6 +155,10 @@ static struct db *db_open(const tal_t *ctx, char *filename)
tal_add_destructor(db, close_db); tal_add_destructor(db, close_db);
db->in_transaction = false; db->in_transaction = false;
db->err = NULL; db->err = NULL;
if (!db_exec(__func__, db, "PRAGMA foreign_keys = ON;")) {
fatal("Could not enable foreignkeys on database: %s", db->err);
}
return db; return db;
} }