Reduce JPA uri param length from 256 to 255 to accomodate MySql

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/entity/ResourceIndexedSearchParamString.java

@@ -43,6 +43,9 @@ import org.hibernate.search.annotations.Field;
 })
 public class ResourceIndexedSearchParamString extends BaseResourceIndexedSearchParam {
 
+	/*
+	 * Note that MYSQL chokes on unique indexes for lengths > 255 so be careful here 
+	 */
 	public static final int MAX_LENGTH = 200;
 
 	private static final long serialVersionUID = 1L;

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/entity/ResourceIndexedSearchParamUri.java

@@ -43,7 +43,10 @@ import org.hibernate.search.annotations.Indexed;
 //@formatter:on
 public class ResourceIndexedSearchParamUri extends BaseResourceIndexedSearchParam {
 
-	public static final int MAX_LENGTH = 256;
+	/*
+	 * Note that MYSQL chokes on unique indexes for lengths > 255 so be careful here 
+	 */
+	public static final int MAX_LENGTH = 255;
 
 	private static final long serialVersionUID = 1L;
 

src/changes/changes.xml

@@ -188,6 +188,10 @@
 				by calling the actual implementing method in the server (previously
 				the call was simulated, which meant that many features did not work)
 			</action>
+			<action type="add">
+				JPA server maximumn length for a URI search parameter has been reduced from
+				256 to 255 in order to accomodate MySQL's indexing requirements
+			</action>
 		</release>
 		<release version="1.2" date="2015-09-18">
 			<action type="add">