Added proper support for DB2zDialect sequences. It is important to take sequence alias' into consideration when reading these

Author: Dan Kristensen

hibernate-core/src/main/java/org/hibernate/dialect/DB2zDialect.java

@@ -113,7 +113,11 @@ public SequenceSupport getSequenceSupport() {
 
 	@Override
 	public String getQuerySequencesString() {
-		return "select * from sysibm.syssequences";
+		return """
+				select '' as sequence_catalog, seqschema, seqname, start, minvalue, maxvalue, increment from sysibm.syssequences where seqtype='A'
+				union
+				select '' as sequence_catalog, schema as seqschema, name as seqname, start, minvalue, maxvalue, increment from sysibm.syssequences where seqtype!='A'
+				""";
 	}
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/dialect/unit/sequence/DB2zSequenceInformationExtractorTest.java

@@ -26,7 +26,11 @@ public Dialect getDialect() {
 
 	@Override
 	public String expectedQuerySequencesString() {
-		return "select * from sysibm.syssequences";
+		return """
+				select '' as sequence_catalog, seqschema, seqname, start, minvalue, maxvalue, increment from sysibm.syssequences where seqtype='A'
+				union
+				select '' as sequence_catalog, schema as seqschema, name as seqname, start, minvalue, maxvalue, increment from sysibm.syssequences where seqtype!='A'
+				""";
 	}
 
 	@Override