[bitbake-devel] [RFC v2 03/16] bitbake: persist_data: Add key constraints
Joshua Watt
jpewhacker at gmail.com
Thu Aug 9 22:08:27 UTC 2018
Constructs the "key" column in the persistent database as a non-NULL
primary key. This significantly speeds up lookup operations in large
databases.
Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
---
bitbake/lib/bb/persist_data.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/bitbake/lib/bb/persist_data.py b/bitbake/lib/bb/persist_data.py
index 1a6319f9498..2bc3e766a93 100644
--- a/bitbake/lib/bb/persist_data.py
+++ b/bitbake/lib/bb/persist_data.py
@@ -94,7 +94,7 @@ class SQLTable(collections.MutableMapping):
self.table = table
self.connection = connect(self.cachefile)
- self._execute_single("CREATE TABLE IF NOT EXISTS %s(key TEXT, value TEXT);" % table)
+ self._execute_single("CREATE TABLE IF NOT EXISTS %s(key TEXT PRIMARY KEY NOT NULL, value TEXT);" % table)
@_Decorators.retry
@_Decorators.transaction
--
2.17.1
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