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H2

Supported Versions

Driver

URL format jdbc:h2:file
Ships with Flyway Command-line Yes
Maven Central coordinates com.h2database:h2:1.4.197
Supported versions 1.2.137 and later
Default Java class org.h2.Driver

SQL Script Syntax

Compatibility

  • DDL exported by H2 can be used unchanged in a Flyway migration
  • Any H2 SQL script executed by Flyway, can be executed by the h2 tools (after the placeholders have been replaced)

Example

/* Single line comment */
CREATE TABLE test_data (
 value VARCHAR(25) NOT NULL PRIMARY KEY
);

/*
Multi-line
comment
*/

-- Sql-style comment

-- Placeholder
INSERT INTO ${tableName} (name) VALUES ('Mr. T');
INSERT INTO test_user (name) VALUES ( $$'Mr. Semicolon+Linebreak;
another line'$$);

Limitations

  • Due to H2 limitations DOMAIN objects can only be cleaned in the current schema

HSQLDB