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During a query execution, the query can be re-bounced to another shard if the requested data is located there. Previous implementation assumed that the shard cannot be changed after first re-bounce, however with the introduction of Tablets, data could be migrated to another shard after the query was already re-bounced, causing a failure of the query execution. To avoid this issue, the query is re-bounced as needed until it is executed on the correct shard. Fixes #15465 Closes scylladb/scylladb#20493 * github.com:scylladb/scylladb: cql_server: Add a test for multiple query msg rebounces. cql_server::connection: process: rebounce msg if needed cql_server::connection: process: co-routinize connection::process_on_shard cql_server: connection: process: fixup indentation cql_server: connection: process_on_shard: drop permit parameter transport: server: pass bounce_to_shard as foreign shared ptr cql_server: connection: process: add template concept for process_fn cql_server: move process_fn_return_type to class definition
Scylla in-source tests.
For details on how to run the tests, see docs/dev/testing.md
Shared C++ utils, libraries are in lib/, for Python - pylib/
alternator - Python tests which connect to a single server and use the DynamoDB API unit, boost, raft - unit tests in C++ cql-pytest - Python tests which connect to a single server and use CQL topology* - tests that set up clusters and add/remove nodes cql - approval tests that use CQL and pre-recorded output rest_api - tests for Scylla REST API Port 9000 scylla-gdb - tests for scylla-gdb.py helper script nodetool - tests for C++ implementation of nodetool
If you can use an existing folder, consider adding your test to it. New folders should be used for new large categories/subsystems, or when the test environment is significantly different from some existing suite, e.g. you plan to start scylladb with different configuration, and you intend to add many tests and would like them to reuse an existing Scylla cluster (clusters can be reused for tests within the same folder).
To add a new folder, create a new directory, and then
copy & edit its suite.ini.