feat: improve String representation of Table and Column

Signed-off-by: Andreas Reichel <andreas@manticore-projects.com>

src/main/java/net/sf/jsqlparser/schema/Column.java

@@ -159,7 +159,8 @@ public <T, S> T accept(ExpressionVisitor<T> expressionVisitor, S context) {
 
  @Override
  public String toString() {
- return getFullyQualifiedName(true);
+ return getFullyQualifiedName(true)
+ + (commentText != null ? " /* " + commentText + "*/ " : "");
  }
 
  public Column withTable(Table table) {

src/main/java/net/sf/jsqlparser/schema/Table.java

@@ -194,6 +194,14 @@ private String getIndex(int idx) {
  public String getFullyQualifiedName() {
  StringBuilder fqn = new StringBuilder();
 
+ // remove any leading empty items
+ // only middle items can be suppressed (e.g. dbo..MY_TABLE )
+ while (!partItems.isEmpty() && (partItems.get(partItems.size() - 1) == null
+ || partItems.get(partItems.size() - 1).isEmpty())) {
+ partItems.remove(partItems.size() - 1);
+ }
+
+
  for (int i = partItems.size() - 1; i >= 0; i--) {
  String part = partItems.get(i);
  if (part == null) {

src/main/java/net/sf/jsqlparser/util/deparser/ExpressionDeParser.java

@@ -787,6 +787,11 @@ public <S> StringBuilder visit(Column tableColumn, S context) {
  if (tableColumn.getArrayConstructor() != null) {
  tableColumn.getArrayConstructor().accept(this, context);
  }
+
+ if (tableColumn.getCommentText() != null) {
+ buffer.append(" /* ").append(tableColumn.getCommentText()).append("*/ ");
+ }
+
  return buffer;
  }