4.x: Allow BatchStatements to be LWT#489
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dkropachev merged 1 commit intoscylladb:scylla-4.xfrom Apr 5, 2025
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Fixes #488 |
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When I've checked the current implementation of BatchStatement it turned out that it already infers the routing information from the first query in a batch that has routing information. I've left that part as is and just added LWT support for batches according to suggestions. |
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core/src/main/java/com/datastax/oss/driver/api/core/cql/BatchStatementBuilder.java
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Previously all DefaultBatchStatements would always return `false` when `isLWT()` was called. This would cause the driver to route the batch based on the first non null routing information found in a batch but using regular rules rather than rules for LWT queries, even if a LWT query was inside the batch. Now LWT routing will be used for DefaultBatchStatements if somewhere along the way an LWT query was added to the batch. This can also be controlled explicitly regardless of batch contents with `BatchStatementBuilder#setIsLWT(boolean)`.
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Adjusted integration test to have a batch with non-LWT and LWT query, added a few extra checks to unit test, adjusted docs and BatchStatement interface. |
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I unfortunately still don't see an integration test that executes a batch with LWT and non-LWT statements. Could you add it in a separate PR? |
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Previously all DefaultBatchStatements would always return
falsewhenisLWT()was called. This would cause the driver to route the batch based on the first non null routing information found in a batch but using regular rules rather than rules for LWT queries, even if a LWT query was inside the batch.Now LWT routing will be used for DefaultBatchStatements if somewhere along the way an LWT query was added to the batch. This can also be controlled explicitly regardless of batch contents with
BatchStatementBuilder#setIsLWT(boolean).Fixes: #488