HHH-19824 Use correct DB2 z/os sequence query

Author: Dan Kristensen

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

@@ -113,7 +113,7 @@ public SequenceSupport getSequenceSupport() {
 
 @Override
 public String getQuerySequencesString() {
-return "select * from sysibm.syssequences";
+return "select case when seqtype='A' then seqschema else schema end as seqschema, case when seqtype='A' then seqname else name end as seqname, start, minvalue, maxvalue, increment from sysibm.syssequences";
 }
 
 @Override

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

@@ -26,7 +26,7 @@ public Dialect getDialect() {
 
 @Override
 public String expectedQuerySequencesString() {
-return "select * from sysibm.syssequences";
+return "select case when seqtype='A' then seqschema else schema end as seqschema, case when seqtype='A' then seqname else name end as seqname, start, minvalue, maxvalue, increment from sysibm.syssequences";
 }
 
 @Override