Method getStatement

src/dsql/DsqlStatementCache.cpp:73–115

}

RefPtr<DsqlStatement> DsqlStatementCache::getStatement(thread_db* tdbb, const string& text, USHORT clientDialect,
	bool isInternalRequest)
{
	RefStrPtr key;
	buildStatementKey(tdbb, key, text, clientDialect, isInternalRequest);

	if (const auto entryPtr = map.get(key))
	{
		const auto entry = *entryPtr;
		auto dsqlStatement(entry->dsqlStatement);

		string verifyKey;
		buildVerifyKey(tdbb, verifyKey, isInternalRequest);

		FB_SIZE_T verifyPos;
		if (!entry->verifyCache.find(verifyKey, verifyPos))
		{
			dsqlStatement->getStatement()->verifyAccess(tdbb);
			entry->verifyCache.insert(verifyPos, verifyKey);
		}

		if (!entry->active)
		{
			entry->dsqlStatement->setCacheKey(key);
			// Active statement has cacheKey and will tell us when it's going to be released.
			entry->dsqlStatement->release();

			entry->active = true;

			cacheSize -= entry->size;

			activeStatementList.splice(activeStatementList.end(), inactiveStatementList, entry);
		}

#ifdef DSQL_STATEMENT_CACHE_DEBUG
		dump();
#endif

		return dsqlStatement;
	}

	return {};
}

void DsqlStatementCache::putStatement(thread_db* tdbb, const string& text, USHORT clientDialect,
	bool isInternalRequest, RefPtr<DsqlStatement> dsqlStatement)