Changes to support generating Liquibase change-sets

pom.xml

@@ -5,7 +5,7 @@
 
 	<groupId>org.springframework.data</groupId>
 	<artifactId>spring-data-relational-parent</artifactId>
-	<version>3.2.0-SNAPSHOT</version>
+	<version>3.2.0-1480-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<name>Spring Data Relational Parent</name>
@@ -21,6 +21,7 @@
 	<properties>
 		<dist.id>spring-data-jdbc</dist.id>
 		<springdata.commons>3.2.0-SNAPSHOT</springdata.commons>
+		<liquibase.version>4.21.1</liquibase.version>
 		<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
 
 		<!-- dependency versions -->
@@ -91,6 +92,29 @@
 			</roles>
 			<timezone>-6</timezone>
 		</developer>
+		<developer>
+			<id>ogierke</id>
+			<name>Oliver Gierke</name>
+			<email>ogierke(at)pivotal.io</email>
+			<organization>Pivotal Software, Inc.</organization>
+			<organizationUrl>https://pivotal.io</organizationUrl>
+			<roles>
+				<role>Project Contributor</role>
+			</roles>
+			<timezone>+1</timezone>
+		</developer>
+		<developer>
+			<id>kurtn718</id>
+			<name>Kurt Niemi</name>
+			<email>kniemi(at)vmware.com</email>
+			<organization>VMware.</organization>
+			<organizationUrl>https://vmware.com</organizationUrl>
+			<roles>
+				<role>Project Contributor</role>
+			</roles>
+			<timezone>-5</timezone>
+		</developer>
+
 	</developers>
 
 	<profiles>

spring-data-jdbc-distribution/pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.data</groupId>
 		<artifactId>spring-data-relational-parent</artifactId>
-		<version>3.2.0-SNAPSHOT</version>
+		<version>3.2.0-1480-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 

spring-data-jdbc/pom.xml

@@ -6,7 +6,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>spring-data-jdbc</artifactId>
-	<version>3.2.0-SNAPSHOT</version>
+	<version>3.2.0-1480-SNAPSHOT</version>
 
 	<name>Spring Data JDBC</name>
 	<description>Spring Data module for JDBC repositories.</description>
@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.data</groupId>
 		<artifactId>spring-data-relational-parent</artifactId>
-		<version>3.2.0-SNAPSHOT</version>
+		<version>3.2.0-1480-SNAPSHOT</version>
 	</parent>
 
 	<properties>
@@ -25,53 +25,6 @@
 
 	<inceptionYear>2017</inceptionYear>
 
-	<developers>
-		<developer>
-			<id>schauder</id>
-			<name>Jens Schauder</name>
-			<email>jschauder(at)pivotal.io</email>
-			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>https://pivotal.io</organizationUrl>
-			<roles>
-				<role>Project Lead</role>
-			</roles>
-			<timezone>+1</timezone>
-		</developer>
-		<developer>
-			<id>gregturn</id>
-			<name>Greg L. Turnquist</name>
-			<email>gturnquist(at)pivotal.io</email>
-			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>https://pivotal.io</organizationUrl>
-			<roles>
-				<role>Project Contributor</role>
-			</roles>
-			<timezone>-6</timezone>
-		</developer>
-		<developer>
-			<id>ogierke</id>
-			<name>Oliver Gierke</name>
-			<email>ogierke(at)pivotal.io</email>
-			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>https://pivotal.io</organizationUrl>
-			<roles>
-				<role>Project Contributor</role>
-			</roles>
-			<timezone>+1</timezone>
-		</developer>
-		<developer>
-			<id>mpaluch</id>
-			<name>Mark Paluch</name>
-			<email>mpaluch(at)pivotal.io</email>
-			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>https://pivotal.io</organizationUrl>
-			<roles>
-				<role>Project Contributor</role>
-			</roles>
-			<timezone>+1</timezone>
-		</developer>
-	</developers>
-
 	<dependencyManagement>
 		<dependencies>
 			<dependency>
@@ -269,6 +222,13 @@
 			<scope>test</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>org.liquibase</groupId>
+			<artifactId>liquibase-core</artifactId>
+			<version>${liquibase.version}</version>
+			<optional>true</optional>
+		</dependency>
+
 	</dependencies>
 
 

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/core/mapping/schema/Column.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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.springframework.data.jdbc.core.mapping.schema;
+
+import java.util.Objects;
+
+/**
+ * Models a Column for generating SQL for Schema generation.
+ *
+ * @author Kurt Niemi
+ * @since 3.2
+ */
+record Column(String name, String type, boolean nullable, boolean identity) {
+
+	public Column(String name, String type) {
+		this(name, type, false, false);
+	}
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+				Column that = (Column) o;
+        return Objects.equals(name, that.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name);
+    }
+}

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/core/mapping/schema/DefaultSqlTypeMapping.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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.springframework.data.jdbc.core.mapping.schema;
+
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZonedDateTime;
+import java.util.HashMap;
+import java.util.UUID;
+
+import org.springframework.data.relational.core.mapping.RelationalPersistentProperty;
+import org.springframework.util.ClassUtils;
+
+/**
+ * Class that provides a default implementation of mapping Java type to a Database type. To customize the mapping an
+ * instance of a class implementing {@link SqlTypeMapping} interface can be set on the {@link Tables} class
+ *
+ * @author Kurt Niemi
+ * @since 3.2
+ */
+public class DefaultSqlTypeMapping implements SqlTypeMapping {
+
+	private final HashMap<Class<?>, String> typeMap = new HashMap<>();
+
+	public DefaultSqlTypeMapping() {
+
+		typeMap.put(String.class, "VARCHAR(255 BYTE)");
+		typeMap.put(Boolean.class, "TINYINT");
+		typeMap.put(Double.class, "DOUBLE");
+		typeMap.put(Float.class, "FLOAT");
+		typeMap.put(Integer.class, "INT");
+		typeMap.put(Long.class, "BIGINT");
+
+		typeMap.put(BigInteger.class, "BIGINT");
+		typeMap.put(BigDecimal.class, "NUMERIC");
+
+		typeMap.put(UUID.class, "UUID");
+
+		typeMap.put(LocalDate.class, "DATE");
+		typeMap.put(LocalTime.class, "TIME");
+		typeMap.put(LocalDateTime.class, "TIMESTAMP");
+
+		typeMap.put(ZonedDateTime.class, "TIMESTAMPTZ");
+	}
+
+	@Override
+	public String getColumnType(RelationalPersistentProperty property) {
+		return typeMap.get(ClassUtils.resolvePrimitiveIfNecessary(property.getActualType()));
+	}
+}