diff --git a/src/main/java/com/jd/jdbc/common/tuple/ImmutablePair.java b/src/main/java/com/jd/jdbc/common/tuple/ImmutablePair.java
new file mode 100644
index 0000000..5848d9c
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/ImmutablePair.java
@@ -0,0 +1,210 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+import java.util.Map;
+
+/**
+ * <p>An immutable pair consisting of two {@code Object} elements.</p>
+ *
+ * <p>Although the implementation is immutable, there is no restriction on the objects
+ * that may be stored. If mutable objects are stored in the pair, then the pair
+ * itself effectively becomes mutable. The class is also {@code final}, so a subclass
+ * can not add undesirable behavior.</p>
+ *
+ * <p>#ThreadSafe# if both paired objects are thread-safe</p>
+ *
+ * @param <L> the left element type
+ * @param <R> the right element type
+ * @since 3.0
+ */
+public final class ImmutablePair<L, R> extends Pair<L, R> {
+
+    /**
+     * An empty array.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final ImmutablePair<?, ?>[] EMPTY_ARRAY = new ImmutablePair[0];
+
+    /**
+     * An immutable pair of nulls.
+     */
+    // This is not defined with generics to avoid warnings in call sites.
+    @SuppressWarnings("rawtypes")
+    private static final ImmutablePair NULL = of(null, null);
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 4954918890077093841L;
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, R> ImmutablePair<L, R>[] emptyArray() {
+        return (ImmutablePair<L, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * <p>Creates an immutable pair of two objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>  the left element type
+     * @param <R>  the right element type
+     * @param left the left element, may be null
+     * @return a pair formed from the two parameters, not null
+     * @since 3.11
+     */
+    public static <L, R> Pair<L, R> left(final L left) {
+        return ImmutablePair.of(left, null);
+    }
+
+    /**
+     * Returns an immutable pair of nulls.
+     *
+     * @param <L> the left element of this pair. Value is {@code null}.
+     * @param <R> the right element of this pair. Value is {@code null}.
+     * @return an immutable pair of nulls.
+     * @since 3.6
+     */
+    public static <L, R> ImmutablePair<L, R> nullPair() {
+        return NULL;
+    }
+
+    /**
+     * <p>Creates an immutable pair of two objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>   the left element type
+     * @param <R>   the right element type
+     * @param left  the left element, may be null
+     * @param right the right element, may be null
+     * @return a pair formed from the two parameters, not null
+     */
+    public static <L, R> ImmutablePair<L, R> of(final L left, final R right) {
+        return new ImmutablePair<>(left, right);
+    }
+
+    /**
+     * <p>Creates an immutable pair from an existing pair.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>  the left element type
+     * @param <R>  the right element type
+     * @param pair the existing pair.
+     * @return a pair formed from the two parameters, not null
+     * @since 3.10
+     */
+    public static <L, R> ImmutablePair<L, R> of(final Map.Entry<L, R> pair) {
+        final L left;
+        final R right;
+        if (pair != null) {
+            left = pair.getKey();
+            right = pair.getValue();
+        } else {
+            left = null;
+            right = null;
+        }
+        return new ImmutablePair<>(left, right);
+    }
+
+    /**
+     * <p>Creates an immutable pair of two objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>   the left element type
+     * @param <R>   the right element type
+     * @param right the right element, may be null
+     * @return a pair formed from the two parameters, not null
+     * @since 3.11
+     */
+    public static <L, R> Pair<L, R> right(final R right) {
+        return ImmutablePair.of(null, right);
+    }
+
+    /**
+     * Left object
+     */
+    public final L left;
+
+    /**
+     * Right object
+     */
+    public final R right;
+
+    /**
+     * Create a new pair instance.
+     *
+     * @param left  the left value, may be null
+     * @param right the right value, may be null
+     */
+    public ImmutablePair(final L left, final R right) {
+        super();
+        this.left = left;
+        this.right = right;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public L getLeft() {
+        return left;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public R getRight() {
+        return right;
+    }
+
+    /**
+     * <p>Throws {@code UnsupportedOperationException}.</p>
+     *
+     * <p>This pair is immutable, so this operation is not supported.</p>
+     *
+     * @param value the value to set
+     * @return never
+     * @throws UnsupportedOperationException as this operation is not supported
+     */
+    @Override
+    public R setValue(final R value) {
+        throw new UnsupportedOperationException();
+    }
+
+}
diff --git a/src/main/java/com/jd/jdbc/common/tuple/ImmutableTriple.java b/src/main/java/com/jd/jdbc/common/tuple/ImmutableTriple.java
new file mode 100644
index 0000000..0e33cab
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/ImmutableTriple.java
@@ -0,0 +1,159 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+/**
+ * <p>An immutable triple consisting of three {@code Object} elements.</p>
+ *
+ * <p>Although the implementation is immutable, there is no restriction on the objects
+ * that may be stored. If mutable objects are stored in the triple, then the triple
+ * itself effectively becomes mutable. The class is also {@code final}, so a subclass
+ * can not add undesirable behavior.</p>
+ *
+ * <p>#ThreadSafe# if all three objects are thread-safe</p>
+ *
+ * @param <L> the left element type
+ * @param <M> the middle element type
+ * @param <R> the right element type
+ * @since 3.2
+ */
+public final class ImmutableTriple<L, M, R> extends Triple<L, M, R> {
+
+    /**
+     * An empty array.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final ImmutableTriple<?, ?, ?>[] EMPTY_ARRAY = new ImmutableTriple[0];
+
+    /**
+     * An immutable triple of nulls.
+     */
+    // This is not defined with generics to avoid warnings in call sites.
+    @SuppressWarnings("rawtypes")
+    private static final ImmutableTriple NULL = of(null, null, null);
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <M> the middle element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, M, R> ImmutableTriple<L, M, R>[] emptyArray() {
+        return (ImmutableTriple<L, M, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * Returns an immutable triple of nulls.
+     *
+     * @param <L> the left element of this triple. Value is {@code null}.
+     * @param <M> the middle element of this triple. Value is {@code null}.
+     * @param <R> the right element of this triple. Value is {@code null}.
+     * @return an immutable triple of nulls.
+     * @since 3.6
+     */
+    public static <L, M, R> ImmutableTriple<L, M, R> nullTriple() {
+        return NULL;
+    }
+
+    /**
+     * <p>Obtains an immutable triple of three objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the triple to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>    the left element type
+     * @param <M>    the middle element type
+     * @param <R>    the right element type
+     * @param left   the left element, may be null
+     * @param middle the middle element, may be null
+     * @param right  the right element, may be null
+     * @return a triple formed from the three parameters, not null
+     */
+    public static <L, M, R> ImmutableTriple<L, M, R> of(final L left, final M middle, final R right) {
+        return new ImmutableTriple<>(left, middle, right);
+    }
+
+    /**
+     * Left object
+     */
+    public final L left;
+
+    /**
+     * Middle object
+     */
+    public final M middle;
+
+    /**
+     * Right object
+     */
+    public final R right;
+
+    /**
+     * Create a new triple instance.
+     *
+     * @param left   the left value, may be null
+     * @param middle the middle value, may be null
+     * @param right  the right value, may be null
+     */
+    public ImmutableTriple(final L left, final M middle, final R right) {
+        super();
+        this.left = left;
+        this.middle = middle;
+        this.right = right;
+    }
+
+    //-----------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public L getLeft() {
+        return left;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public M getMiddle() {
+        return middle;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public R getRight() {
+        return right;
+    }
+}
+
diff --git a/src/main/java/com/jd/jdbc/common/tuple/MutablePair.java b/src/main/java/com/jd/jdbc/common/tuple/MutablePair.java
new file mode 100644
index 0000000..7e4c635
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/MutablePair.java
@@ -0,0 +1,180 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+import java.util.Map;
+
+/**
+ * <p>A mutable pair consisting of two {@code Object} elements.</p>
+ *
+ * <p>Not #ThreadSafe#</p>
+ *
+ * @param <L> the left element type
+ * @param <R> the right element type
+ * @since 3.0
+ */
+public class MutablePair<L, R> extends Pair<L, R> {
+
+    /**
+     * An empty array.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final MutablePair<?, ?>[] EMPTY_ARRAY = new MutablePair[0];
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 4954918890077093841L;
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, R> MutablePair<L, R>[] emptyArray() {
+        return (MutablePair<L, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * <p>Creates a mutable pair of two objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>   the left element type
+     * @param <R>   the right element type
+     * @param left  the left element, may be null
+     * @param right the right element, may be null
+     * @return a pair formed from the two parameters, not null
+     */
+    public static <L, R> MutablePair<L, R> of(final L left, final R right) {
+        return new MutablePair<>(left, right);
+    }
+
+    /**
+     * <p>Creates a mutable pair from an existing pair.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>  the left element type
+     * @param <R>  the right element type
+     * @param pair the existing pair.
+     * @return a pair formed from the two parameters, not null
+     */
+    public static <L, R> MutablePair<L, R> of(final Map.Entry<L, R> pair) {
+        final L left;
+        final R right;
+        if (pair != null) {
+            left = pair.getKey();
+            right = pair.getValue();
+        } else {
+            left = null;
+            right = null;
+        }
+        return new MutablePair<>(left, right);
+    }
+
+    /**
+     * Left object
+     */
+    public L left;
+
+    /**
+     * Right object
+     */
+    public R right;
+
+    /**
+     * Create a new pair instance of two nulls.
+     */
+    public MutablePair() {
+        super();
+    }
+
+    /**
+     * Create a new pair instance.
+     *
+     * @param left  the left value, may be null
+     * @param right the right value, may be null
+     */
+    public MutablePair(final L left, final R right) {
+        super();
+        this.left = left;
+        this.right = right;
+    }
+
+    //-----------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public L getLeft() {
+        return left;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public R getRight() {
+        return right;
+    }
+
+    /**
+     * Sets the left element of the pair.
+     *
+     * @param left the new value of the left element, may be null
+     */
+    public void setLeft(final L left) {
+        this.left = left;
+    }
+
+    /**
+     * Sets the right element of the pair.
+     *
+     * @param right the new value of the right element, may be null
+     */
+    public void setRight(final R right) {
+        this.right = right;
+    }
+
+    /**
+     * Sets the {@code Map.Entry} value.
+     * This sets the right element of the pair.
+     *
+     * @param value the right value to set, not null
+     * @return the old value for the right element
+     */
+    @Override
+    public R setValue(final R value) {
+        final R result = getRight();
+        setRight(value);
+        return result;
+    }
+
+}
diff --git a/src/main/java/com/jd/jdbc/common/tuple/MutableTriple.java b/src/main/java/com/jd/jdbc/common/tuple/MutableTriple.java
new file mode 100644
index 0000000..a81fc79
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/MutableTriple.java
@@ -0,0 +1,168 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+/**
+ * <p>A mutable triple consisting of three {@code Object} elements.</p>
+ *
+ * <p>Not #ThreadSafe#</p>
+ *
+ * @param <L> the left element type
+ * @param <M> the middle element type
+ * @param <R> the right element type
+ * @since 3.2
+ */
+public class MutableTriple<L, M, R> extends Triple<L, M, R> {
+
+    /**
+     * The empty array singleton.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final MutableTriple<?, ?, ?>[] EMPTY_ARRAY = new MutableTriple[0];
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <M> the middle element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, M, R> MutableTriple<L, M, R>[] emptyArray() {
+        return (MutableTriple<L, M, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * <p>Obtains a mutable triple of three objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the triple to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>    the left element type
+     * @param <M>    the middle element type
+     * @param <R>    the right element type
+     * @param left   the left element, may be null
+     * @param middle the middle element, may be null
+     * @param right  the right element, may be null
+     * @return a triple formed from the three parameters, not null
+     */
+    public static <L, M, R> MutableTriple<L, M, R> of(final L left, final M middle, final R right) {
+        return new MutableTriple<>(left, middle, right);
+    }
+
+    /**
+     * Left object
+     */
+    public L left;
+
+    /**
+     * Middle object
+     */
+    public M middle;
+
+    /**
+     * Right object
+     */
+    public R right;
+
+    /**
+     * Create a new triple instance of three nulls.
+     */
+    public MutableTriple() {
+        super();
+    }
+
+    /**
+     * Create a new triple instance.
+     *
+     * @param left   the left value, may be null
+     * @param middle the middle value, may be null
+     * @param right  the right value, may be null
+     */
+    public MutableTriple(final L left, final M middle, final R right) {
+        super();
+        this.left = left;
+        this.middle = middle;
+        this.right = right;
+    }
+
+    //-----------------------------------------------------------------------
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public L getLeft() {
+        return left;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public M getMiddle() {
+        return middle;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public R getRight() {
+        return right;
+    }
+
+    /**
+     * Sets the left element of the triple.
+     *
+     * @param left the new value of the left element, may be null
+     */
+    public void setLeft(final L left) {
+        this.left = left;
+    }
+
+    /**
+     * Sets the middle element of the triple.
+     *
+     * @param middle the new value of the middle element, may be null
+     */
+    public void setMiddle(final M middle) {
+        this.middle = middle;
+    }
+
+    /**
+     * Sets the right element of the triple.
+     *
+     * @param right the new value of the right element, may be null
+     */
+    public void setRight(final R right) {
+        this.right = right;
+    }
+}
+
diff --git a/src/main/java/com/jd/jdbc/common/tuple/Pair.java b/src/main/java/com/jd/jdbc/common/tuple/Pair.java
new file mode 100644
index 0000000..384257e
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/Pair.java
@@ -0,0 +1,224 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+import java.io.Serializable;
+import java.util.Map;
+import java.util.Objects;
+
+/**
+ * <p>A pair consisting of two elements.</p>
+ *
+ * <p>This class is an abstract implementation defining the basic API.
+ * It refers to the elements as 'left' and 'right'. It also implements the
+ * {@code Map.Entry} interface where the key is 'left' and the value is 'right'.</p>
+ *
+ * <p>Subclass implementations may be mutable or immutable.
+ * However, there is no restriction on the type of the stored objects that may be stored.
+ * If mutable objects are stored in the pair, then the pair itself effectively becomes mutable.</p>
+ *
+ * @param <L> the left element type
+ * @param <R> the right element type
+ * @since 3.0
+ */
+public abstract class Pair<L, R> implements Map.Entry<L, R>, Serializable {
+
+    private static final class PairAdapter<L, R> extends Pair<L, R> {
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public L getLeft() {
+            return null;
+        }
+
+        @Override
+        public R getRight() {
+            return null;
+        }
+
+        @Override
+        public R setValue(final R value) {
+            return null;
+        }
+
+    }
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 4954918890077093841L;
+
+    /**
+     * An empty array.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final Pair<?, ?>[] EMPTY_ARRAY = new PairAdapter[0];
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, R> Pair<L, R>[] emptyArray() {
+        return (Pair<L, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * <p>Creates an immutable pair of two objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>   the left element type
+     * @param <R>   the right element type
+     * @param left  the left element, may be null
+     * @param right the right element, may be null
+     * @return a pair formed from the two parameters, not null
+     */
+    public static <L, R> Pair<L, R> of(final L left, final R right) {
+        return ImmutablePair.of(left, right);
+    }
+
+    /**
+     * <p>Creates an immutable pair from an existing pair.</p>
+     *
+     * <p>This factory allows the pair to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>  the left element type
+     * @param <R>  the right element type
+     * @param pair the existing pair.
+     * @return a pair formed from the two parameters, not null
+     * @since 3.10
+     */
+    public static <L, R> Pair<L, R> of(final Map.Entry<L, R> pair) {
+        return ImmutablePair.of(pair);
+    }
+
+    /**
+     * <p>Compares this pair to another based on the two elements.</p>
+     *
+     * @param obj the object to compare to, null returns false
+     * @return true if the elements of the pair are equal
+     */
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj == this) {
+            return true;
+        }
+        if (obj instanceof Map.Entry<?, ?>) {
+            final Map.Entry<?, ?> other = (Map.Entry<?, ?>) obj;
+            return Objects.equals(getKey(), other.getKey())
+                && Objects.equals(getValue(), other.getValue());
+        }
+        return false;
+    }
+
+    /**
+     * <p>Gets the key from this pair.</p>
+     *
+     * <p>This method implements the {@code Map.Entry} interface returning the
+     * left element as the key.</p>
+     *
+     * @return the left element as the key, may be null
+     */
+    @Override
+    public final L getKey() {
+        return getLeft();
+    }
+
+    //-----------------------------------------------------------------------
+
+    /**
+     * <p>Gets the left element from this pair.</p>
+     *
+     * <p>When treated as a key-value pair, this is the key.</p>
+     *
+     * @return the left element, may be null
+     */
+    public abstract L getLeft();
+
+    /**
+     * <p>Gets the right element from this pair.</p>
+     *
+     * <p>When treated as a key-value pair, this is the value.</p>
+     *
+     * @return the right element, may be null
+     */
+    public abstract R getRight();
+
+    /**
+     * <p>Gets the value from this pair.</p>
+     *
+     * <p>This method implements the {@code Map.Entry} interface returning the
+     * right element as the value.</p>
+     *
+     * @return the right element as the value, may be null
+     */
+    @Override
+    public R getValue() {
+        return getRight();
+    }
+
+    /**
+     * <p>Returns a suitable hash code.
+     * The hash code follows the definition in {@code Map.Entry}.</p>
+     *
+     * @return the hash code
+     */
+    @Override
+    public int hashCode() {
+        // see Map.Entry API specification
+        return Objects.hashCode(getKey()) ^ Objects.hashCode(getValue());
+    }
+
+    /**
+     * <p>Returns a String representation of this pair using the format {@code ($left,$right)}.</p>
+     *
+     * @return a string describing this object, not null
+     */
+    @Override
+    public String toString() {
+        return "(" + getLeft() + ',' + getRight() + ')';
+    }
+
+    /**
+     * <p>Formats the receiver using the given format.</p>
+     *
+     * <p>This uses {@link java.util.Formattable} to perform the formatting. Two variables may
+     * be used to embed the left and right elements. Use {@code %1$s} for the left
+     * element (key) and {@code %2$s} for the right element (value).
+     * The default format used by {@code toString()} is {@code (%1$s,%2$s)}.</p>
+     *
+     * @param format the format string, optionally containing {@code %1$s} and {@code %2$s}, not null
+     * @return the formatted string, not null
+     */
+    public String toString(final String format) {
+        return String.format(format, getLeft(), getRight());
+    }
+
+}
diff --git a/src/main/java/com/jd/jdbc/common/tuple/Triple.java b/src/main/java/com/jd/jdbc/common/tuple/Triple.java
new file mode 100644
index 0000000..5cadfe4
--- /dev/null
+++ b/src/main/java/com/jd/jdbc/common/tuple/Triple.java
@@ -0,0 +1,187 @@
+/*
+ * 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 com.jd.jdbc.common.tuple;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+/**
+ * <p>A triple consisting of three elements.</p>
+ *
+ * <p>This class is an abstract implementation defining the basic API.
+ * It refers to the elements as 'left', 'middle' and 'right'.</p>
+ *
+ * <p>Subclass implementations may be mutable or immutable.
+ * However, there is no restriction on the type of the stored objects that may be stored.
+ * If mutable objects are stored in the triple, then the triple itself effectively becomes mutable.</p>
+ *
+ * @param <L> the left element type
+ * @param <M> the middle element type
+ * @param <R> the right element type
+ * @since 3.2
+ */
+public abstract class Triple<L, M, R> implements Serializable {
+
+    private static final class TripleAdapter<L, M, R> extends Triple<L, M, R> {
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public L getLeft() {
+            return null;
+        }
+
+        @Override
+        public M getMiddle() {
+            return null;
+        }
+
+        @Override
+        public R getRight() {
+            return null;
+        }
+
+    }
+
+    /**
+     * Serialization version
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * An empty array.
+     * <p>
+     * Consider using {@link #emptyArray()} to avoid generics warnings.
+     * </p>
+     *
+     * @since 3.10.
+     */
+    public static final Triple<?, ?, ?>[] EMPTY_ARRAY = new TripleAdapter[0];
+
+    /**
+     * Returns the empty array singleton that can be assigned without compiler warning.
+     *
+     * @param <L> the left element type
+     * @param <M> the middle element type
+     * @param <R> the right element type
+     * @return the empty array singleton that can be assigned without compiler warning.
+     * @since 3.10.
+     */
+    @SuppressWarnings("unchecked")
+    public static <L, M, R> Triple<L, M, R>[] emptyArray() {
+        return (Triple<L, M, R>[]) EMPTY_ARRAY;
+    }
+
+    /**
+     * <p>Obtains an immutable triple of three objects inferring the generic types.</p>
+     *
+     * <p>This factory allows the triple to be created using inference to
+     * obtain the generic types.</p>
+     *
+     * @param <L>    the left element type
+     * @param <M>    the middle element type
+     * @param <R>    the right element type
+     * @param left   the left element, may be null
+     * @param middle the middle element, may be null
+     * @param right  the right element, may be null
+     * @return a triple formed from the three parameters, not null
+     */
+    public static <L, M, R> Triple<L, M, R> of(final L left, final M middle, final R right) {
+        return new ImmutableTriple<>(left, middle, right);
+    }
+
+    /**
+     * <p>Compares this triple to another based on the three elements.</p>
+     *
+     * @param obj the object to compare to, null returns false
+     * @return true if the elements of the triple are equal
+     */
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj == this) {
+            return true;
+        }
+        if (obj instanceof Triple<?, ?, ?>) {
+            final Triple<?, ?, ?> other = (Triple<?, ?, ?>) obj;
+            return Objects.equals(getLeft(), other.getLeft())
+                && Objects.equals(getMiddle(), other.getMiddle())
+                && Objects.equals(getRight(), other.getRight());
+        }
+        return false;
+    }
+
+    //-----------------------------------------------------------------------
+
+    /**
+     * <p>Gets the left element from this triple.</p>
+     *
+     * @return the left element, may be null
+     */
+    public abstract L getLeft();
+
+    /**
+     * <p>Gets the middle element from this triple.</p>
+     *
+     * @return the middle element, may be null
+     */
+    public abstract M getMiddle();
+
+    /**
+     * <p>Gets the right element from this triple.</p>
+     *
+     * @return the right element, may be null
+     */
+    public abstract R getRight();
+
+    /**
+     * <p>Returns a suitable hash code.</p>
+     *
+     * @return the hash code
+     */
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(getLeft()) ^ Objects.hashCode(getMiddle()) ^ Objects.hashCode(getRight());
+    }
+
+    /**
+     * <p>Returns a String representation of this triple using the format {@code ($left,$middle,$right)}.</p>
+     *
+     * @return a string describing this object, not null
+     */
+    @Override
+    public String toString() {
+        return "(" + getLeft() + "," + getMiddle() + "," + getRight() + ")";
+    }
+
+    /**
+     * <p>Formats the receiver using the given format.</p>
+     *
+     * <p>This uses {@link java.util.Formattable} to perform the formatting. Three variables may
+     * be used to embed the left and right elements. Use {@code %1$s} for the left
+     * element, {@code %2$s} for the middle and {@code %3$s} for the right element.
+     * The default format used by {@code toString()} is {@code (%1$s,%2$s,%3$s)}.</p>
+     *
+     * @param format the format string, optionally containing {@code %1$s}, {@code %2$s} and {@code %3$s}, not null
+     * @return the formatted string, not null
+     */
+    public String toString(final String format) {
+        return String.format(format, getLeft(), getMiddle(), getRight());
+    }
+
+}
+