Seems like pqxx isn't opening transactions correctly for ClickHouse - try manually.

Max Fellows · Max Fellows · commit 40e71d6af4c6 · 2025-06-06T18:43:13.000-07:00
diff --git a/Source/moja.modules.cbm/src/cbmaggregatorhybridlibpqxxwriter.cpp b/Source/moja.modules.cbm/src/cbmaggregatorhybridlibpqxxwriter.cpp
@@ -78,12 +78,14 @@ namespace cbm {
                 }
 
                 work tx(conn);
+                tx.exec("BEGIN TRANSACTION");
                 tx.exec((boost::format("INSERT INTO %1%.completed_jobs VALUES (%2%);") % _schema % _jobId).str());
                 load(tx, (boost::format("%1%.raw_fluxes") % _schema).str(), _fluxDimension);
                 load(tx, (boost::format("%1%.raw_pools") % _schema).str(), _poolDimension);
                 load(tx, (boost::format("%1%.raw_errors") % _schema).str(), _errorDimension);
                 load(tx, (boost::format("%1%.raw_ages") % _schema).str(), _ageDimension);
                 load(tx, (boost::format("%1%.raw_disturbances") % _schema).str(), _disturbanceDimension);
+                tx.exec("COMMIT");
                 tx.commit();
             });
         }

Original file line number	Diff line number	Diff line change
`@@ -78,12 +78,14 @@ namespace cbm {`
`78`	`78`	`}`
`79`	`79`
`80`	`80`	`work tx(conn);`
	`81`	`+ tx.exec("BEGIN TRANSACTION");`
`81`	`82`	`tx.exec((boost::format("INSERT INTO %1%.completed_jobs VALUES (%2%);") % _schema % _jobId).str());`
`82`	`83`	`load(tx, (boost::format("%1%.raw_fluxes") % _schema).str(), _fluxDimension);`
`83`	`84`	`load(tx, (boost::format("%1%.raw_pools") % _schema).str(), _poolDimension);`
`84`	`85`	`load(tx, (boost::format("%1%.raw_errors") % _schema).str(), _errorDimension);`
`85`	`86`	`load(tx, (boost::format("%1%.raw_ages") % _schema).str(), _ageDimension);`
`86`	`87`	`load(tx, (boost::format("%1%.raw_disturbances") % _schema).str(), _disturbanceDimension);`
	`88`	`+ tx.exec("COMMIT");`
`87`	`89`	`tx.commit();`
`88`	`90`	`});`
`89`	`91`	`}`