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Summary
both python and rust CSV lib support 4 QuoteStyple
https://docs.rs/csv/latest/csv/enum.QuoteStyle.html
except the last one the 4, CSV mainly uses quote (instead of escape) to deal with field/record delimiters in strings, and uses quote to escape it self by default.
and clickhouse input format only supports this style.
so we should support this style first.
Summary about this PR
Fixes #issue