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Add documentation for the SqlCompatibilitySettings ODBC driver parameter#5517

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sql-compatibility-settings
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Add documentation for the SqlCompatibilitySettings ODBC driver parameter#5517
slabko wants to merge 1 commit intomainfrom
sql-compatibility-settings

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@slabko slabko commented Feb 12, 2026

The upcoming version of the driver includes an additional configuration parameter, SqlCompatibilitySettings, intended for BI tools and other applications that generate queries automatically. This parameter enables certain ClickHouse query settings that should be explained in the documentation.

Additionally, when this setting is enabled, readonly users won't be able to execute queries because ClickHouse doesn't allow users to change any settings. The documentation also explains how to handle this situation. The ODBC driver attempts to recognize such errors and includes a link in the error message to the #readonly-users section.

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The upcoming version of the driver includes an additional configuration
parameter, SqlCompatibilitySettings, intended for BI tools and other
applications that generate queries automatically. This parameter
enables certain ClickHouse query settings that should be explained
in the documentation.

Additionally, when this setting is enabled, readonly users won't be
able to execute queries because ClickHouse doesn't allow users to
change any settings. The documentation also explains how to handle this
situation. The ODBC driver attempts to recognize such errors and
includes a link in the error message to the #readonly-users section.
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