Fix Sybase Connection#getSchema() throws an exception

Author: dreab8

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

@@ -13,6 +13,7 @@
 import org.hibernate.engine.jdbc.env.spi.IdentifierCaseStrategy;
 import org.hibernate.engine.jdbc.env.spi.IdentifierHelper;
 import org.hibernate.engine.jdbc.env.spi.IdentifierHelperBuilder;
+import org.hibernate.engine.jdbc.env.spi.NameQualifierSupport;
 import org.hibernate.engine.spi.LoadQueryInfluencers;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
 import org.hibernate.query.CastType;
@@ -287,4 +288,9 @@ public IdentifierHelper buildIdentifierHelper(IdentifierHelperBuilder builder, D
 		return super.buildIdentifierHelper( builder, dbMetaData );
 	}
 
+	@Override
+	public NameQualifierSupport getNameQualifierSupport() {
+		return NameQualifierSupport.CATALOG;
+	}
+
 }

hibernate-core/src/main/java/org/hibernate/tool/schema/extract/internal/AbstractInformationExtractorImpl.java

@@ -406,6 +406,9 @@ public TableInformation getTable(Identifier catalog, Identifier schema, Identifi
 	}
 
 	private Identifier getCurrentSchema(JdbcEnvironment jdbcEnvironment) {
+		if ( jdbcEnvironment.getNameQualifierSupport() == NameQualifierSupport.CATALOG ) {
+			return null;
+		}
 		if ( currentSchema != null ) {
 			return currentSchema;
 		}
@@ -427,6 +430,9 @@ private Identifier getCurrentSchema(JdbcEnvironment jdbcEnvironment) {
 	}
 
 	private Identifier getCurrentCatalog(JdbcEnvironment jdbcEnvironment) {
+		if ( jdbcEnvironment.getNameQualifierSupport() == NameQualifierSupport.SCHEMA ) {
+			return null;
+		}
 		if ( currentCatalog != null ) {
 			return currentCatalog;
 		}