Hi Marjan,
The method `collect` is used to collect the content of a table. However, as
`insert_statement` is a `INSERT INTO` statement and so there is no table to
collect from in your example. You could try the following code:
```
sql_statement = """
SELECT window_start, window_end, COUNT(
Hello,
I have a simple source table (which is using kafka connector) that's
reading and storing data from specific kafka topic. I also have print
table:
> t_env.execute_sql("""
> CREATE TABLE print (
> window_start TIMESTAMP(3),
> window_end TIMESTAMP(3),
>