Mercurial > dedupe
diff DBCache.hpp @ 58:7b7e84356b39
Introduce API for fine tuning inserts.
Reduce the amount of rebuilds.
| author | Tom Fredrik Blenning Klaussen <bfg@blenning.no> |
|---|---|
| date | Fri, 14 Sep 2012 00:04:24 +0200 |
| parents | f711ddb56ae7 |
| children | 74be5a2f49db |
line wrap: on
line diff
--- a/DBCache.hpp Thu Sep 13 23:53:35 2012 +0200 +++ b/DBCache.hpp Fri Sep 14 00:04:24 2012 +0200 @@ -18,6 +18,15 @@ #include <boost/optional.hpp> +#include <QtCore/QString> + +template<typename Key, typename Value> +struct InsertRegulator { + static void start() {} + static void finish() {} + static void next() {} +}; + template<typename T> struct SQLGenerator { @@ -264,11 +273,15 @@ if (!query.exec(repopulateQuery)) { throw SQLException(query); } + InsertRegulator<Key, Value> regulator; + regulator.start(); while (query.next()) { Key key = *SQLGenerator<Key>::extract(query, "key"); Value value = *SQLGenerator<Value>::extract(query, "value"); memoryMap.insert(key, value); + regulator.next(); } + regulator.finish(); } QString queryString = QString("INSERT into %1 (%2, %3) VALUES(%4, %5);") .arg(dictName)