Materialized column batch insert

[iyuroch]

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When doing batch insert into the table without specifying column names driver deduces columns from described table and does not take into account materialized columns

Describe the solution you'd like
Ignore materialized columns during batch column generation.

Describe alternatives you've considered
Specifying separate columns, however this approach works bad for us since type of materialized column is not support by clickhouse-go

[iyuroch]

It can be tackled during "describe table" batch init flow by filtering out all materialized columns so we do not init them, the change should be relatively small.

[jkaflik]

@iyuroch thanks for submitting. Would you like to submit a PR?

[iyuroch]

@jkaflik sure

[iyuroch]

#1214