Credit for #1637

hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_1_0/1637-add-missing-index-on-concept.yaml

@@ -0,0 +1,5 @@
+---
+type: add
+issue: 1637
+title: "An index has been added on the TRM_CONCEPT table. This index was previously missing, meaning that rebuilding large
+  code systems took an abnormally long amount of time. Thanks to Jacob Stampe Mikkelsen for the pull request!"

hapi-fhir-jpaserver-migrate/src/main/java/ca/uhn/fhir/jpa/migrate/tasks/HapiFhirJpaMigrationTasks.java

@@ -180,6 +180,9 @@ public class HapiFhirJpaMigrationTasks extends BaseMigrationTasks<VersionEnum> {
 			.addCalculator("SP_VALUE_HIGH_DATE_ORDINAL", t -> ResourceIndexedSearchParamDate.calculateOrdinalValue(t.getDate("SP_VALUE_HIGH")))
 			.setColumnName("SP_VALUE_LOW_DATE_ORDINAL") //It doesn't matter which of the two we choose as they will both be null.
 		);
+
+		// TRM_CONCEPT_PROPERTY
+		version.onTable("TRM_CONCEPT_PROPERTY").addIndex("20200523.1", "IDX_CONCEPTPROP_CONCEPTPID").unique(false).withColumns("CONCEPT_PID");
 	}
 
 	/**
@@ -244,9 +247,6 @@ public class HapiFhirJpaMigrationTasks extends BaseMigrationTasks<VersionEnum> {
 	protected void init420() { // 20191015 - 20200217
 		Builder version = forVersion(VersionEnum.V4_2_0);
 
-		// TRM_CONCEPT_PROPERTY
-		version.onTable("TRM_CONCEPT_PROPERTY").addIndex("20191217.1", "IDX_CONCEPTPROP_CONCEPTPID").unique(false).withColumns("CONCEPT_PID");
-
     // TermValueSetConceptDesignation
 		version.onTable("TRM_VALUESET_C_DESIGNATION").dropIndex("20200202.1", "IDX_VALUESET_C_DSGNTN_VAL").failureAllowed();
 		Builder.BuilderWithTableName searchTable = version.onTable("HFJ_SEARCH");

pom.xml

@@ -633,6 +633,11 @@
 			<id>ibacher</id>
 			<name>Ian</name>
 		</developer>
+		<developer>
+			<id>jasmdk</id>
+			<name>Jacob Stampe Mikkelsen</name>
+			<organization>Systematik A/S</organization>
+		</developer>
 	</developers>
 
 	<licenses>