Protect against no columns returned in materialized-view (#395) #550

Job	Run time
Python 3.9 \| Clickhouse 23.8 \| Ubuntu	8m 30s
Python 3.9 \| Clickhouse 24.1 \| Ubuntu	8m 27s
Python 3.9 \| Clickhouse 24.2 \| Ubuntu	8m 53s
Python 3.9 \| Clickhouse 24.3 \| Ubuntu	8m 46s
Python 3.9 \| Clickhouse latest \| Ubuntu	8m 47s
Python 3.10 \| Clickhouse 23.8 \| Ubuntu	8m 38s
Python 3.10 \| Clickhouse 24.1 \| Ubuntu	8m 45s
Python 3.10 \| Clickhouse 24.2 \| Ubuntu	8m 42s
Python 3.10 \| Clickhouse 24.3 \| Ubuntu	8m 35s
Python 3.10 \| Clickhouse latest \| Ubuntu	8m 44s
Python 3.11 \| Clickhouse 23.8 \| Ubuntu	7m 44s
Python 3.11 \| Clickhouse 24.1 \| Ubuntu	7m 53s
Python 3.11 \| Clickhouse 24.2 \| Ubuntu	7m 37s
Python 3.11 \| Clickhouse 24.3 \| Ubuntu	7m 42s
Python 3.11 \| Clickhouse latest \| Ubuntu	9m 1s
Python 3.12 \| Clickhouse 23.8 \| Ubuntu	7m 51s
Python 3.12 \| Clickhouse 24.1 \| Ubuntu	8m 4s
Python 3.12 \| Clickhouse 24.2 \| Ubuntu	8m 5s
Python 3.12 \| Clickhouse 24.3 \| Ubuntu	7m 54s
Python 3.12 \| Clickhouse latest \| Ubuntu	7m 54s
	2h 46m 32s

Provide feedback