Poll

H2

Supported Versions

• 2.0
• 1.4
• 1.3 Flyway Teams
• 1.2 Flyway Teams

Support Level

Support Level determines the degree of support available for this database (learn more).

Driver

SQL Script Syntax

• Standard SQL syntax with statement delimiter ;
• $$ delimited strings

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