Add schema.sql,data.sql to default SQL initializers

...for compatibility with Spring JDBC. Users can still
optionally specify spring.database.schema, but the default
location is schema-${spring.database.platform}.sql, schema.sql,
data.sql.

[Fixes #58332710]

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfiguration.java

@@ -92,7 +92,8 @@ public class DataSourceAutoConfiguration implements EnvironmentAware {
 		String schema = this.environment.getProperty("schema");
 		if (schema == null) {
 			schema = "classpath*:schema-"
-					+ this.environment.getProperty("platform", "all") + ".sql";
+					+ this.environment.getProperty("platform", "all")
+					+ ".sql,classpath*:schema.sql,classpath*:data.sql";
 		}
 
 		List<Resource> resources = new ArrayList<Resource>();

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfigurationTests.java

@@ -24,7 +24,6 @@ import javax.sql.DataSource;
 import org.apache.commons.dbcp.BasicDataSource;
 import org.junit.Test;
 import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
-import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -86,6 +85,19 @@ public class DataSourceAutoConfigurationTests {
 
 	@Test
 	public void testDataSourceInitialized() throws Exception {
+		this.context.register(DataSourceAutoConfiguration.class,
+				PropertyPlaceholderAutoConfiguration.class);
+		this.context.refresh();
+		DataSource dataSource = this.context.getBean(DataSource.class);
+		assertTrue(dataSource instanceof org.apache.tomcat.jdbc.pool.DataSource);
+		assertNotNull(dataSource);
+		JdbcOperations template = new JdbcTemplate(dataSource);
+		assertEquals(new Integer(0),
+				template.queryForObject("SELECT COUNT(*) from BAR", Integer.class));
+	}
+
+	@Test
+	public void testDataSourceInitializedWithExplicitScript() throws Exception {
 		this.context.register(DataSourceAutoConfiguration.class,
 				PropertyPlaceholderAutoConfiguration.class);
 		Map<String, Object> map = new HashMap<String, Object>();
@@ -102,6 +114,29 @@ public class DataSourceAutoConfigurationTests {
 				template.queryForObject("SELECT COUNT(*) from FOO", Integer.class));
 	}
 
+	@Test
+	public void testDataSourceInitializedWithMultipleScripts() throws Exception {
+		this.context.register(DataSourceAutoConfiguration.class,
+				PropertyPlaceholderAutoConfiguration.class);
+		Map<String, Object> map = new HashMap<String, Object>();
+		map.put("spring.database.schema",
+				ClassUtils.addResourcePathToPackagePath(getClass(), "schema.sql")
+						+ ","
+						+ ClassUtils.addResourcePathToPackagePath(getClass(),
+								"another.sql"));
+		this.context.getEnvironment().getPropertySources()
+				.addFirst(new MapPropertySource("test", map));
+		this.context.refresh();
+		DataSource dataSource = this.context.getBean(DataSource.class);
+		assertTrue(dataSource instanceof org.apache.tomcat.jdbc.pool.DataSource);
+		assertNotNull(dataSource);
+		JdbcOperations template = new JdbcTemplate(dataSource);
+		assertEquals(new Integer(0),
+				template.queryForObject("SELECT COUNT(*) from FOO", Integer.class));
+		assertEquals(new Integer(0),
+				template.queryForObject("SELECT COUNT(*) from SPAM", Integer.class));
+	}
+
 	@Configuration
 	static class TestDataSourceConfiguration {
 

spring-boot-autoconfigure/src/test/resources/org/springframework/boot/autoconfigure/jdbc/another.sql

+CREATE TABLE SPAM (
+  id         INTEGER IDENTITY PRIMARY KEY,
+  name VARCHAR(30),
+);
\ No newline at end of file

spring-boot-autoconfigure/src/test/resources/schema.sql

+CREATE TABLE BAR (
+  id         INTEGER IDENTITY PRIMARY KEY,
+  name VARCHAR(30),
+);
\ No newline at end of file