Removed unused legacy method isSelectingRefCursor()

jOOQ/src/main/java/org/jooq/impl/AbstractResultQuery.java

@@ -321,11 +321,6 @@ abstract class AbstractResultQuery<R extends Record> extends AbstractQuery imple
         return lazy;
     }
 
-    /**
-     * Subclasses should indicate whether a Postgres refcursor is being selected
-     */
-    abstract boolean isSelectingRefCursor();
-
     /**
      * Subclasses should indicate whether they want an updatable {@link ResultSet}
      */

jOOQ/src/main/java/org/jooq/impl/AbstractSelect.java

@@ -49,7 +49,6 @@ import org.jooq.Configuration;
 import org.jooq.DataType;
 import org.jooq.Field;
 import org.jooq.Record;
-import org.jooq.Result;
 import org.jooq.Row;
 import org.jooq.Select;
 import org.jooq.Table;
@@ -166,15 +165,4 @@ abstract class AbstractSelect<R extends Record> extends AbstractResultQuery<R> i
 
         return fieldArray(fields);
     }
-
-    @Override
-    final boolean isSelectingRefCursor() {
-        for (Field<?> field : getSelect()) {
-            if (Result.class.isAssignableFrom(field.getType())) {
-                return true;
-            }
-        }
-
-        return false;
-    }
 }

jOOQ/src/main/java/org/jooq/impl/FetchCount.java

@@ -112,11 +112,6 @@ class FetchCount extends AbstractResultQuery<Record1<Integer>> {
         return count;
     }
 
-    @Override
-    final boolean isSelectingRefCursor() {
-        return false;
-    }
-
     @Override
     final boolean isForUpdate() {
         return false;

jOOQ/src/main/java/org/jooq/impl/SQLResultQuery.java

@@ -99,11 +99,6 @@ class SQLResultQuery extends AbstractResultQuery<Record> {
         return new MetaDataFieldProvider(configuration, meta).getFields();
     }
 
-    @Override
-    final boolean isSelectingRefCursor() {
-        return false;
-    }
-
     @Override
     final boolean isForUpdate() {
         return false;