Oleg V. Kozlyuk comments

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                                            Oleg V. Kozlyuk

[Q] <title>adding records from EF to Clickhouse, causing error when async_insert = 1 and wait_for_async_insert = 1 switched on the server

Hi Terence, ~~Does the same error appear if both options are off? I assume that if you have `wait_for_async_insert=0` then you may just not see the error because the server...

[Q] get rid of query "SELECT version(), timezone() FORMAT TSV"

This is a service query performed once on opening a new connection. If you create a new connection class for every request, then it would accompany every query. You should...

[Q] <title> Multi-statements are not allowed

Hi. Yes indeed, unfortunately multiple statements are not supported by server itself. You can however use sessions to achieve use of temporary tables - as long as you make your...

Refactor Bulk Insert to Use Memory<object> for Enhanced Flexibility and Efficiency

Hi, Thank you for your PR, I appreciate the intent to help with optimization. However, according to benchmark it doesn't quite improve performance and in fact makes it slightly worse:...

decimal serialize performance!

The reason for this is that I have opted to use BigInteger for `ClickHouseDecimal` as I wasn't confident in my ability to produce well-optimized `Int128`/`Int256` classes, and there is no...

decimal serialize performance!

As a heads-up - I am looking into this in background, however, it would require rewriting ClickHouseDecimal completely to use blittable fixed-length integer types. The challenge is that from my...

[FEAT] add ClickHouseBulkCopyColumnMapping

There is an init-only property ColumnNames which can be used to pass the eponymous parameter on object init: ``` using var bulkCopy = new ClickHouseBulkCopy(connection) { DestinationTableName = targetTable, ColumnNames...