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Clickhouse ODBC Destination SSIS batch size issue. #444

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artasheskhachatryan1991 opened this issue Jun 20, 2024 · 1 comment
Open

Clickhouse ODBC Destination SSIS batch size issue. #444

artasheskhachatryan1991 opened this issue Jun 20, 2024 · 1 comment

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@artasheskhachatryan1991

I create SSIS project with MSSQL as Source and Clickhouse as ODBC destination. The destination table have a single ID Int64 column. I set "Data access mode" to "Table Name - batch" and "Rows per batch" to 1000. The source component is simple

select top (1000) Id
from table.

The execution of data flow finish without errors, but only a single row is inserted (instead if 1000). The destination table Engine is MergeTree. If I change the "Rows per batch" from 1000 to 50, 20 rows are inserted.
So it seems like number of actual inserted rows = Number Of rows in Source Component / "Rows per batch".

I use Clickhouse ODBC driver 1.1.10, clickhouse version is 23.12.2.59.

@den-crane
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@alexey-milovidov alexey-milovidov transferred this issue from ClickHouse/ClickHouse Jun 20, 2024
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