@Override
	public void setComment(String comment) {
		mgr.lock.acquire();
		try {
			checkDeleted();

			if (comment == null) {
				comment = "";
			}

			String oldValue = record.getString(FunctionTagAdapter.COMMENT_COL);
			if (!comment.equals(oldValue)) {
				record.setString(FunctionTagAdapter.COMMENT_COL, comment);
				mgr.updateFunctionTag(this, oldValue, comment);
			}

		}
		catch (IOException e) {
			mgr.dbError(e);
		}
		finally {
			mgr.lock.release();
		}
	}
Database object for {@link FunctionTagAdapter} objects.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionTagDB.java