public void processSQL(String sql, EngineCtx ctx) {
String ssql = joinParser.getSql();
getRoute(ssql);
RouteResultsetNode[] nodes = rrs.getNodes();
if (nodes == null
|| nodes.length == 0
|| nodes[0].getName() == null
|| nodes[0].getName().equals("")) {
ctx.getSession()
.getSource()
.writeErrMessage(
ErrorCode.ER_NO_DB_ERROR,
"No dataNode found ,please check tables defined in schema:"
+ ctx.getSession().getSource().getSchema());
return;
}
this.ctx = ctx;
String[] dataNodes = getDataNodes();
maxjob = dataNodes.length;
ShareDBJoinHandler joinHandler = new ShareDBJoinHandler(this, joinParser.getJoinLkey());
ctx.executeNativeSQLSequnceJob(dataNodes, ssql, joinHandler);
EngineCtx.LOGGER.info("Catlet exec:" + getDataNode(getDataNodes()) + " sql:" + ssql);
ctx.setAllJobFinishedListener(
new AllJobFinishedListener() {
@Override
public void onAllJobFinished(EngineCtx ctx) {
if (!jointTableIsData) {
ctx.writeHeader(fields);
}
ctx.writeEof();
EngineCtx.LOGGER.info("发送数据OK");
}
});
}
