Issue: Poor performance of InformixPlatform with IDENTITY generated p…

…rimary keys#968 (#1991)
eclipse-ee4j · Nov 8, 2023 · 7f18d64 · 7f18d64
1 parent 5db018c
commit 7f18d64
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...stence.core/src/main/java/org/eclipse/persistence/platform/database/InformixPlatform.java b/...stence.core/src/main/java/org/eclipse/persistence/platform/database/InformixPlatform.java
@@ -195,7 +195,7 @@ protected Hashtable<Class<?>, FieldTypeDefinition> buildFieldTypes() {
     public ValueReadQuery buildSelectQueryForIdentity() {
         ValueReadQuery selectQuery = new ValueReadQuery();
         StringWriter writer = new StringWriter();
-        writer.write("SELECT DISTINCT(DBINFO('sqlca.sqlerrd1')) FROM systables");
+        writer.write("SELECT FIRST 1 DBINFO('sqlca.sqlerrd1') FROM systables");
         selectQuery.setSQLString(writer.toString());
         return selectQuery;
     }