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Update to use mysql optimizations for statements on aurora too...

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darin.kelkhoff
2023-12-15 18:36:17 -06:00
parent 9144754e74
commit 2b90d7e4b3
1 changed files with 8 additions and 1 deletions
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9
qqq-backend-module-rdbms/src/main/java/com/kingsrook/qqq/backend/module/rdbms/actions/RDBMSQueryAction.java
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@ -65,6 +65,7 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
private ActionTimeoutHelper actionTimeoutHelper; private ActionTimeoutHelper actionTimeoutHelper;
private static boolean loggedMysqlOptimizationsForStatements = false;
/******************************************************************************* /*******************************************************************************
@ -345,8 +346,14 @@ public class RDBMSQueryAction extends AbstractRDBMSAction implements QueryInterf
{ {
RDBMSBackendMetaData backend = (RDBMSBackendMetaData) queryInput.getBackend(); RDBMSBackendMetaData backend = (RDBMSBackendMetaData) queryInput.getBackend();
PreparedStatement statement; PreparedStatement statement;
if("mysql".equals(backend.getVendor())) if("mysql".equals(backend.getVendor()) || "aurora".equals(backend.getName()))
{ {
if(!loggedMysqlOptimizationsForStatements)
{
LOG.info("Using mysql optimizations for statements (TYPE_FORWARD_ONLY, CONCUR_READ_ONLY, FetchSize(MIN_VALUE)");
loggedMysqlOptimizationsForStatements = true;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// mysql "optimization", presumably here - from Result Set section of https://dev.mysql.com/doc/connector-j/8.0/en/connector-j-reference-implementation-notes.html // // mysql "optimization", presumably here - from Result Set section of https://dev.mysql.com/doc/connector-j/8.0/en/connector-j-reference-implementation-notes.html //
// without this change, we saw ~10 seconds of "wait" time, before results would start to stream out of a large query (e.g., > 1,000,000 rows). // // without this change, we saw ~10 seconds of "wait" time, before results would start to stream out of a large query (e.g., > 1,000,000 rows). //