feat(csharp/src/Drivers/Databricks): Poll status to keep query alive - #2820
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CurtHagenlocher merged 4 commits intoMay 19, 2025
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| [assembly: InternalsVisibleTo("Apache.Arrow.Adbc.Drivers.Databricks, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e504183f6d470d6b67b6d19212be3e1f598f70c246a120194bc38130101d0c1853e4a0f2232cb12e37a7a90e707aabd38511dac4f25fcb0d691b2aa265900bf42de7f70468fc997551a40e1e0679b605aa2088a4a69e07c117e988f5b1738c570ee66997fba02485e7856a49eca5fd0706d09899b8312577cbb9034599fc92d4")] | |||
| [assembly: InternalsVisibleTo("Apache.Arrow.Adbc.Tests.Drivers.Databricks, PublicKey=0024000004800000940000000602000000240000525341310004000001000100e504183f6d470d6b67b6d19212be3e1f598f70c246a120194bc38130101d0c1853e4a0f2232cb12e37a7a90e707aabd38511dac4f25fcb0d691b2aa265900bf42de7f70468fc997551a40e1e0679b605aa2088a4a69e07c117e988f5b1738c570ee66997fba02485e7856a49eca5fd0706d09899b8312577cbb9034599fc92d4")] | |||
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This is to expose some of the internal classes to Moq
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Summary
Implements automatic query keepalive polling to prevent Databricks queries from timing out while results are being
consumed.
When query execution completes but the client is still reading results (e.g., large CloudFetch downloads), Databricks
may terminate the operation due to inactivity. This PR adds background polling to continuously signal that the client is
still active.
Implemented automatic background polling that:
GetOperationStatusrequests every 60 secondsChanges
DatabricksOperationStatusPoller: Manages background polling lifecycleTesting
DatabricksOperationStatusPollerTests):cd csharp
dotnet test --filter "FullyQualifiedName~DatabricksOperationStatusPollerTests"