HHH-10110 - Fix DerbyDialect#getQuerySequencesString() causing error during schema update

Author: dreab8

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

@@ -123,6 +123,16 @@ public boolean supportsSequences() {
 		return driverVersionMajor > 10 || ( driverVersionMajor == 10 && driverVersionMinor >= 6 );
 	}
 
+	@Override
+	public String getQuerySequencesString() {
+		if ( supportsSequences() ) {
+			return "select SEQUENCENAME from SYS.SYSSEQUENCES";
+		}
+		else {
+			throw new MappingException( "Derby does not support sequence prior to release 10.6.1.0" );
+		}
+	}
+
 	@Override
 	public String getSequenceNextValString(String sequenceName) {
 		if ( supportsSequences() ) {
@@ -235,7 +245,7 @@ private boolean hasForUpdateClause(int forUpdateIndex) {
 	}
 
 	private boolean hasWithClause(String normalizedSelect){
-		return normalizedSelect.startsWith( "with ", normalizedSelect.length()-7 );
+		return normalizedSelect.startsWith( "with ", normalizedSelect.length() - 7 );
 	}
 
 	private int getWithIndex(String querySelect) {
@@ -246,11 +256,6 @@ private int getWithIndex(String querySelect) {
 		return i;
 	}
 
-	@Override
-	public String getQuerySequencesString() {
-		return null ;
-	}
-
 
 	// Overridden informational metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~