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9 changes: 5 additions & 4 deletions server/src/main/java/org/elasticsearch/TransportVersions.java
Original file line number Diff line number Diff line change
Expand Up @@ -180,10 +180,11 @@ static TransportVersion def(int id) {
public static final TransportVersion TIMEOUT_GET_PARAM_FOR_RESOLVE_CLUSTER = def(8_838_0_00);
public static final TransportVersion INFERENCE_REQUEST_ADAPTIVE_RATE_LIMITING = def(8_839_0_00);
public static final TransportVersion ML_INFERENCE_IBM_WATSONX_RERANK_ADDED = def(8_840_0_00);
public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED_BACKPORT_8_X = def(8_840_0_01);
public static final TransportVersion REMOVE_ALL_APPLICABLE_SELECTOR_BACKPORT_8_X = def(8_840_0_02);
public static final TransportVersion ESQL_RETRY_ON_SHARD_LEVEL_FAILURE_BACKPORT_8_19 = def(8_840_0_03);
public static final TransportVersion ESQL_SUPPORT_PARTIAL_RESULTS_BACKPORT_8_19 = def(8_840_0_04);
public static final TransportVersion INITIAL_ELASTICSEARCH_8_19 = def(8_841_0_00);
public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED_BACKPORT_8_X = def(8_841_0_01);
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Separately (it can be in a followup) we should rename these constants. Using _X suffix isn't descriptive enough, ever, because whatever branch it is backported to will become a release branch. So this should always be the exact minor version that is backported to.

public static final TransportVersion REMOVE_ALL_APPLICABLE_SELECTOR_BACKPORT_8_X = def(8_841_0_02);
public static final TransportVersion ESQL_RETRY_ON_SHARD_LEVEL_FAILURE_BACKPORT_8_19 = def(8_841_0_03);
public static final TransportVersion ESQL_SUPPORT_PARTIAL_RESULTS_BACKPORT_8_19 = def(8_841_0_04);

/*
* STOP! READ THIS FIRST! No, really,
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,12 @@
public class TransportVersionTests extends ESTestCase {

/**
* This test is specific for 8.19, to ensure that transport versions are backported correctly. Do not forward or backport it.
* This test is specific for 8.19, to ensure that transport versions are backported correctly. Do not forward or backport it,
* and do not adjust the TransportVersion to check (INITIAL_ELASTICSEARCH_8_19).
* If the test fails, there is something wrong with your backport PR.
*/
public void testMaximumAllowedTransportVersion() {
assertThat(TransportVersions.LATEST_DEFINED.isPatchFrom(TransportVersions.ML_INFERENCE_IBM_WATSONX_RERANK_ADDED), is(true));
assertThat(TransportVersions.LATEST_DEFINED.isPatchFrom(TransportVersions.INITIAL_ELASTICSEARCH_8_19), is(true));
}

public void testVersionComparison() {
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