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The following commit(s) were added to refs/heads/master by this push:
     new 23990acbd7c IGNITE-28263 Remove IndexKeyTypeMessage (#12934)
23990acbd7c is described below

commit 23990acbd7caf2697ea6bcb9e740f691b1905f38
Author: Dmitry Werner <[email protected]>
AuthorDate: Wed Mar 25 20:44:10 2026 +0500

    IGNITE-28263 Remove IndexKeyTypeMessage (#12934)
---
 .../cache/query/index/IndexKeyTypeMessage.java     | 109 ---------
 .../query/index/sorted/IndexKeyDefinition.java     |   9 +-
 .../communication/GridIoMessageFactory.java        |   4 -
 .../communication/IndexKeyTypeMessageTest.java     | 268 ---------------------
 .../ignite/testsuites/IgniteBasicTestSuite.java    |   2 -
 5 files changed, 4 insertions(+), 388 deletions(-)

diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/IndexKeyTypeMessage.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/IndexKeyTypeMessage.java
deleted file mode 100644
index b21289fcc04..00000000000
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/IndexKeyTypeMessage.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.cache.query.index;
-
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.internal.Order;
-import org.apache.ignite.internal.cache.query.index.sorted.IndexKeyType;
-import org.apache.ignite.internal.managers.communication.GridIoMessageFactory;
-import org.apache.ignite.marshaller.Marshaller;
-import org.apache.ignite.plugin.extensions.communication.MarshallableMessage;
-import org.jetbrains.annotations.Nullable;
-
-/** Message wrapper for {@link IndexKeyType}. */
-public class IndexKeyTypeMessage implements MarshallableMessage {
-    /** Type code. */
-    public static final short TYPE_CODE = 516;
-
-    /** */
-    public static final byte NULL_VALUE_CODE = Byte.MIN_VALUE;
-
-    /** Index key type. */
-    private @Nullable IndexKeyType val;
-
-    /** Code. */
-    @Order(0)
-    byte code;
-
-    /** Empty constructor for {@link GridIoMessageFactory}. */
-    public IndexKeyTypeMessage() {
-        // No-op.
-    }
-
-    /** Constructor. */
-    public IndexKeyTypeMessage(@Nullable IndexKeyType keyType) {
-        val = keyType;
-        code = encode(keyType);
-    }
-
-    /** Constructor. */
-    public IndexKeyTypeMessage(int keyTypeCode) {
-        code = (byte)keyTypeCode;
-        val = decode(code);
-    }
-
-    /** @return Code. */
-    public byte code() {
-        return code;
-    }
-
-    /**
-     * @param code New code.
-     */
-    public void code(byte code) {
-        this.code = code;
-    }
-
-    /** @return Index key type. */
-    public @Nullable IndexKeyType value() {
-        return val;
-    }
-
-    /** @param keyType Index key type. */
-    private static byte encode(@Nullable IndexKeyType keyType) {
-        if (keyType == null)
-            return NULL_VALUE_CODE;
-
-        return (byte)keyType.code();
-    }
-
-    /**
-     * @param code Code to decode an inde key type.
-     */
-    private static @Nullable IndexKeyType decode(byte code) {
-        if (code == NULL_VALUE_CODE)
-            return null;
-
-        return IndexKeyType.forCode(code);
-    }
-
-    /** {@inheritDoc} */
-    @Override public short directType() {
-        return TYPE_CODE;
-    }
-
-    /** {@inheritDoc} */
-    @Override public void prepareMarshal(Marshaller marsh) throws 
IgniteCheckedException {
-        code = encode(val);
-    }
-
-    /** {@inheritDoc} */
-    @Override public void finishUnmarshal(Marshaller marsh, ClassLoader 
clsLdr) throws IgniteCheckedException {
-        val = decode(code);
-    }
-}
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/sorted/IndexKeyDefinition.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/sorted/IndexKeyDefinition.java
index c99b1c99d70..0b0d1a0df64 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/sorted/IndexKeyDefinition.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/cache/query/index/sorted/IndexKeyDefinition.java
@@ -18,16 +18,15 @@
 package org.apache.ignite.internal.cache.query.index.sorted;
 
 import org.apache.ignite.internal.Order;
-import org.apache.ignite.internal.cache.query.index.IndexKeyTypeMessage;
 import org.apache.ignite.plugin.extensions.communication.Message;
 
 /**
  * Defines a signle index key.
  */
 public class IndexKeyDefinition implements Message {
-    /** A message for {@link IndexKeyType}. */
+    /** Index key type. */
     @Order(0)
-    IndexKeyTypeMessage idxTypeMsg;
+    IndexKeyType idxType;
 
     /** Order. */
     @Order(1)
@@ -44,7 +43,7 @@ public class IndexKeyDefinition implements Message {
 
     /** */
     public IndexKeyDefinition(int idxTypeCode, long precision, boolean asc) {
-        idxTypeMsg = new IndexKeyTypeMessage(idxTypeCode);
+        idxType = IndexKeyType.forCode(idxTypeCode);
 
         this.asc = asc;
 
@@ -67,7 +66,7 @@ public class IndexKeyDefinition implements Message {
 
     /** */
     public IndexKeyType indexKeyType() {
-        return idxTypeMsg.value();
+        return idxType;
     }
 
     /** */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/GridIoMessageFactory.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/GridIoMessageFactory.java
index 978f4e0f584..fabc60b48ab 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/GridIoMessageFactory.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/GridIoMessageFactory.java
@@ -41,8 +41,6 @@ import org.apache.ignite.internal.TxEntriesInfo;
 import org.apache.ignite.internal.TxEntriesInfoSerializer;
 import org.apache.ignite.internal.TxInfo;
 import org.apache.ignite.internal.TxInfoSerializer;
-import org.apache.ignite.internal.cache.query.index.IndexKeyTypeMessage;
-import 
org.apache.ignite.internal.cache.query.index.IndexKeyTypeMessageMarshallableSerializer;
 import org.apache.ignite.internal.cache.query.index.IndexQueryResultMeta;
 import 
org.apache.ignite.internal.cache.query.index.IndexQueryResultMetaSerializer;
 import org.apache.ignite.internal.cache.query.index.sorted.IndexKeyDefinition;
@@ -587,8 +585,6 @@ public class GridIoMessageFactory implements 
MessageFactoryProvider {
         factory.register(IgniteDhtPartitionsToReloadMap.TYPE_CODE, 
IgniteDhtPartitionsToReloadMap::new,
             new IgniteDhtPartitionsToReloadMapSerializer());
         factory.register(IntLongMap.TYPE_CODE, IntLongMap::new, new 
IntLongMapSerializer());
-        factory.register(IndexKeyTypeMessage.TYPE_CODE, 
IndexKeyTypeMessage::new,
-            new IndexKeyTypeMessageMarshallableSerializer(marsh, clsLdr));
         factory.register(GridPartitionStateMap.TYPE_CODE, 
GridPartitionStateMap::new, new GridPartitionStateMapSerializer());
         factory.register(GridDhtPartitionMap.TYPE_CODE, 
GridDhtPartitionMap::new, new GridDhtPartitionMapSerializer());
         factory.register(GridDhtPartitionFullMap.TYPE_CODE, 
GridDhtPartitionFullMap::new, new GridDhtPartitionFullMapSerializer());
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/managers/communication/IndexKeyTypeMessageTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/managers/communication/IndexKeyTypeMessageTest.java
deleted file mode 100644
index 4264d2772f8..00000000000
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/managers/communication/IndexKeyTypeMessageTest.java
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.ignite.internal.managers.communication;
-
-import org.apache.ignite.IgniteCheckedException;
-import org.apache.ignite.internal.cache.query.index.IndexKeyTypeMessage;
-import org.apache.ignite.internal.cache.query.index.sorted.IndexKeyType;
-import org.apache.ignite.internal.util.typedef.F;
-import org.apache.ignite.internal.util.typedef.internal.U;
-import org.junit.Test;
-
-import static org.apache.ignite.marshaller.Marshallers.jdk;
-import static 
org.apache.ignite.testframework.GridTestUtils.assertThrowsWithCause;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-
-/** */
-public class IndexKeyTypeMessageTest {
-    /** */
-    @Test
-    public void testIndexKeyTypeCode() {
-        assertEquals(Byte.MIN_VALUE, prepare(new IndexKeyTypeMessage(null)));
-        assertEquals(-1, prepare(new 
IndexKeyTypeMessage(IndexKeyType.UNKNOWN)));
-        assertEquals(0, prepare(new IndexKeyTypeMessage(IndexKeyType.NULL)));
-        assertEquals(1, prepare(new 
IndexKeyTypeMessage(IndexKeyType.BOOLEAN)));
-        assertEquals(2, prepare(new IndexKeyTypeMessage(IndexKeyType.BYTE)));
-        assertEquals(3, prepare(new IndexKeyTypeMessage(IndexKeyType.SHORT)));
-        assertEquals(4, prepare(new IndexKeyTypeMessage(IndexKeyType.INT)));
-        assertEquals(5, prepare(new IndexKeyTypeMessage(IndexKeyType.LONG)));
-        assertEquals(6, prepare(new 
IndexKeyTypeMessage(IndexKeyType.DECIMAL)));
-        assertEquals(7, prepare(new IndexKeyTypeMessage(IndexKeyType.DOUBLE)));
-        assertEquals(8, prepare(new IndexKeyTypeMessage(IndexKeyType.FLOAT)));
-        assertEquals(9, prepare(new IndexKeyTypeMessage(IndexKeyType.TIME)));
-        assertEquals(10, prepare(new IndexKeyTypeMessage(IndexKeyType.DATE)));
-        assertEquals(11, prepare(new 
IndexKeyTypeMessage(IndexKeyType.TIMESTAMP)));
-        assertEquals(12, prepare(new IndexKeyTypeMessage(IndexKeyType.BYTES)));
-        assertEquals(13, prepare(new 
IndexKeyTypeMessage(IndexKeyType.STRING)));
-        assertEquals(14, prepare(new 
IndexKeyTypeMessage(IndexKeyType.STRING_IGNORECASE)));
-        assertEquals(15, prepare(new IndexKeyTypeMessage(IndexKeyType.BLOB)));
-        assertEquals(16, prepare(new IndexKeyTypeMessage(IndexKeyType.CLOB)));
-        assertEquals(17, prepare(new IndexKeyTypeMessage(IndexKeyType.ARRAY)));
-        assertEquals(18, prepare(new 
IndexKeyTypeMessage(IndexKeyType.RESULT_SET)));
-        assertEquals(19, prepare(new 
IndexKeyTypeMessage(IndexKeyType.JAVA_OBJECT)));
-        assertEquals(20, prepare(new IndexKeyTypeMessage(IndexKeyType.UUID)));
-        assertEquals(21, prepare(new 
IndexKeyTypeMessage(IndexKeyType.STRING_FIXED)));
-        assertEquals(22, prepare(new 
IndexKeyTypeMessage(IndexKeyType.GEOMETRY)));
-        assertEquals(24, prepare(new 
IndexKeyTypeMessage(IndexKeyType.TIMESTAMP_TZ)));
-        assertEquals(25, prepare(new IndexKeyTypeMessage(IndexKeyType.ENUM)));
-
-        for (IndexKeyType keyType : IndexKeyType.values())
-            assertTrue(prepare(new IndexKeyTypeMessage(keyType)) != 
IndexKeyTypeMessage.NULL_VALUE_CODE);
-    }
-
-    /** */
-    byte prepare(IndexKeyTypeMessage msg) {
-        try {
-            msg.prepareMarshal(jdk());
-        }
-        catch (IgniteCheckedException e) {
-            throw new RuntimeException(e);
-        }
-
-        return msg.code();
-    }
-
-    /** */
-    @Test
-    public void testIndexKeyTypeFromCode() throws IgniteCheckedException {
-        IndexKeyTypeMessage msg = new IndexKeyTypeMessage(null);
-
-        msg.code(IndexKeyTypeMessage.NULL_VALUE_CODE);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertNull(msg.value());
-
-        msg.code((byte)-1);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.UNKNOWN, msg.value());
-
-        msg.code((byte)0);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.NULL, msg.value());
-
-        msg.code((byte)1);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.BOOLEAN, msg.value());
-
-        msg.code((byte)2);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.BYTE, msg.value());
-
-        msg.code((byte)3);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.SHORT, msg.value());
-
-        msg.code((byte)4);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.INT, msg.value());
-
-        msg.code((byte)5);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.LONG, msg.value());
-
-        msg.code((byte)6);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.DECIMAL, msg.value());
-
-        msg.code((byte)7);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.DOUBLE, msg.value());
-
-        msg.code((byte)8);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.FLOAT, msg.value());
-
-        msg.code((byte)9);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.TIME, msg.value());
-
-        msg.code((byte)10);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.DATE, msg.value());
-
-        msg.code((byte)11);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.TIMESTAMP, msg.value());
-
-        msg.code((byte)12);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.BYTES, msg.value());
-
-        msg.code((byte)13);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.STRING, msg.value());
-
-        msg.code((byte)14);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.STRING_IGNORECASE, msg.value());
-
-        msg.code((byte)15);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.BLOB, msg.value());
-
-        msg.code((byte)16);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.CLOB, msg.value());
-
-        msg.code((byte)17);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.ARRAY, msg.value());
-
-        msg.code((byte)18);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.RESULT_SET, msg.value());
-
-        msg.code((byte)19);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.JAVA_OBJECT, msg.value());
-
-        msg.code((byte)20);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.UUID, msg.value());
-
-        msg.code((byte)21);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.STRING_FIXED, msg.value());
-
-        msg.code((byte)22);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.GEOMETRY, msg.value());
-
-        msg.code((byte)24);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.TIMESTAMP_TZ, msg.value());
-
-        msg.code((byte)25);
-        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-        assertSame(IndexKeyType.ENUM, msg.value());
-
-        Throwable t = assertThrowsWithCause(
-            () -> {
-                msg.code((byte)23);
-
-                try {
-                    msg.finishUnmarshal(jdk(), U.gridClassLoader());
-                }
-                catch (IgniteCheckedException e) {
-                    throw new RuntimeException(e);
-                }
-            },
-            IllegalArgumentException.class);
-
-        assertEquals("Unknown index key type code: " + 23, t.getMessage());
-
-        for (byte c = 26; c >= 26 && c <= Byte.MAX_VALUE; ++c) {
-            byte c0 = c;
-
-            t = assertThrowsWithCause(
-                () -> {
-                    msg.code(c0);
-
-                    try {
-                        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-                    }
-                    catch (IgniteCheckedException e) {
-                        throw new RuntimeException(e);
-                    }
-                },
-                IllegalArgumentException.class);
-
-            assertEquals("Unknown index key type code: " + c0, t.getMessage());
-        }
-
-        for (byte c = (byte)(IndexKeyTypeMessage.NULL_VALUE_CODE + 1); c < -1; 
++c) {
-            byte c0 = c;
-
-            t = assertThrowsWithCause(
-                () -> {
-                    msg.code(c0);
-
-                    try {
-                        msg.finishUnmarshal(jdk(), U.gridClassLoader());
-                    }
-                    catch (IgniteCheckedException e) {
-                        throw new RuntimeException(e);
-                    }
-                }, IllegalArgumentException.class);
-
-            assertEquals("Unknown index key type code: " + c0, t.getMessage());
-        }
-    }
-
-    /** */
-    @Test
-    public void testConversionConsistency() throws IgniteCheckedException {
-        for (IndexKeyType keyType : F.concat(IndexKeyType.values(), 
(IndexKeyType)null)) {
-            IndexKeyTypeMessage msg = new IndexKeyTypeMessage(keyType);
-
-            assertEquals(keyType, msg.value());
-
-            IndexKeyTypeMessage newMsg = new IndexKeyTypeMessage();
-
-            msg.prepareMarshal(jdk());
-
-            newMsg.code(msg.code());
-
-            newMsg.finishUnmarshal(jdk(), U.gridClassLoader());
-
-            assertEquals(msg.value(), newMsg.value());
-        }
-    }
-}
diff --git 
a/modules/core/src/test/java/org/apache/ignite/testsuites/IgniteBasicTestSuite.java
 
b/modules/core/src/test/java/org/apache/ignite/testsuites/IgniteBasicTestSuite.java
index 6763eee53fa..44a47adc753 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/testsuites/IgniteBasicTestSuite.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/testsuites/IgniteBasicTestSuite.java
@@ -42,7 +42,6 @@ import 
org.apache.ignite.internal.managers.communication.CacheEntryPredicateAdap
 import org.apache.ignite.internal.managers.communication.CompressedMessageTest;
 import org.apache.ignite.internal.managers.communication.DefaultEnumMapperTest;
 import org.apache.ignite.internal.managers.communication.ErrorMessageSelfTest;
-import 
org.apache.ignite.internal.managers.communication.IndexKeyTypeMessageTest;
 import 
org.apache.ignite.internal.processors.affinity.GridAffinityAssignmentV2Test;
 import 
org.apache.ignite.internal.processors.affinity.GridAffinityAssignmentV2TestNoOptimizations;
 import 
org.apache.ignite.internal.processors.affinity.GridAffinityProcessorRendezvousSelfTest;
@@ -153,7 +152,6 @@ import org.junit.runners.Suite;
     ErrorMessageSelfTest.class,
     CacheEntryPredicateAdapterMessageTest.class,
     DefaultEnumMapperTest.class,
-    IndexKeyTypeMessageTest.class,
     IgniteDataTransferObjectProcessorTest.class,
     CompressedMessageTest.class
 })

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