protected void createTable(Field valueField) throws IOException {
		schema = getTableSchema(valueField);
		propertyTable = dbHandle.createTable(getTableName(), schema);
	}
Create the default propertyTable.
This method may be called by add property methods if propertyTable is null.
@param valueField property value field type (null corresponds to void map table)
@throws IOException if IO error occurs
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/properties/PropertyMapDB.java