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Verify support for H2 database aliases in SQL scripts 

This commit introduces a test to demonstrate how to define an alias in
an SQL script executed against an embedded H2 database.

Issue: SPR-15896
This commit is contained in:
Sam Brannen 2017-08-26 15:04:48 +01:00
parent 582014e944
commit 4e81ee5fdf
3 changed files with 35 additions and 3 deletions
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4
spring-jdbc/src/test/java/org/springframework/jdbc/datasource/init/AbstractDatabasePopulatorTests.java
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@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2014 the original author or authors. * Copyright 2002-2017 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -38,7 +38,7 @@ import static org.mockito.Mockito.*;
*/ */
public abstract class AbstractDatabasePopulatorTests extends AbstractDatabaseInitializationTests { public abstract class AbstractDatabasePopulatorTests extends AbstractDatabaseInitializationTests {
private final ResourceDatabasePopulator databasePopulator = new ResourceDatabasePopulator(); protected final ResourceDatabasePopulator databasePopulator = new ResourceDatabasePopulator();
@Test @Test

24
spring-jdbc/src/test/java/org/springframework/jdbc/datasource/init/H2DatabasePopulatorTests.java
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@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2014 the original author or authors. * Copyright 2002-2017 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -16,8 +16,12 @@
package org.springframework.jdbc.datasource.init; package org.springframework.jdbc.datasource.init;
import org.junit.Test;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType; import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
/** /**
* @author Sam Brannen * @author Sam Brannen
* @since 4.0.3 * @since 4.0.3
@ -28,4 +32,22 @@ public class H2DatabasePopulatorTests extends AbstractDatabasePopulatorTests {
return EmbeddedDatabaseType.H2; return EmbeddedDatabaseType.H2;
} }
/**
* https://jira.spring.io/browse/SPR-15896
*
* @since 5.0
*/
@Test
public void scriptWithH2Alias() throws Exception {
databasePopulator.addScript(usersSchema());
databasePopulator.addScript(resource("db-test-data-h2-alias.sql"));
// Set statement separator to double newline so that ";" is not
// considered a statement separator within the source code of the
// aliased function 'REVERSE'.
databasePopulator.setSeparator("\n\n");
DatabasePopulatorUtils.execute(databasePopulator, db);
String sql = "select REVERSE(first_name) from users where last_name='Brannen'";
assertThat(jdbcTemplate.queryForObject(sql, String.class), equalTo("maS"));
}
} }

10
spring-jdbc/src/test/resources/org/springframework/jdbc/datasource/init/db-test-data-h2-alias.sql Normal file
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@ -0,0 +1,10 @@
DROP ALIAS IF EXISTS REVERSE;
-- REVERSE function borrowed from http://www.h2database.com/html/grammar.html#create_alias
CREATE ALIAS REVERSE AS $$
String reverse(String s) {
return new StringBuilder(s).reverse().toString();
}
$$;
INSERT INTO users(first_name, last_name) values('Sam', 'Brannen');