package liquibase.sqlgenerator.core;
import liquibase.database.Database;
import liquibase.database.core.DB2Database;
import liquibase.exception.DatabaseException;
import liquibase.exception.ValidationErrors;
import liquibase.sql.Sql;
import liquibase.sql.UnparsedSql;
import liquibase.sqlgenerator.SqlGenerator;
import liquibase.sqlgenerator.SqlGeneratorChain;
import liquibase.statement.core.ReorganizeTableStatement;
import liquibase.structure.core.Relation;
import liquibase.structure.core.Table;
public class ReorganizeTableGeneratorDB2 extends AbstractSqlGenerator<ReorganizeTableStatement> {
@Override
public int getPriority() {
return PRIORITY_DATABASE;
}
@Override
public boolean supports(ReorganizeTableStatement statement, Database database) {
return database instanceof DB2Database;
}
@Override
public ValidationErrors validate(ReorganizeTableStatement reorganizeTableStatement, Database database, SqlGeneratorChain sqlGeneratorChain) {
ValidationErrors validationErrors = new ValidationErrors();
validationErrors.checkRequiredField("tableName", reorganizeTableStatement.getTableName());
return validationErrors;
}
@Override
public Sql[] generateSql(ReorganizeTableStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) {
try {
if (database.getDatabaseMajorVersion() >= 9) {
return new Sql[]{
new UnparsedSql("CALL SYSPROC.ADMIN_CMD ('REORG TABLE " + database.escapeTableName(statement.getCatalogName(), statement.getSchemaName(), statement.getTableName()) + "')",
getAffectedTable(statement))
};
} else {
return null;
}
} catch (DatabaseException e) {
throw new RuntimeException(e);
}
}
protected Relation getAffectedTable(ReorganizeTableStatement statement) {
return new Table().setName(statement.getTableName()).setSchema(statement.getCatalogName(), statement.getSchemaName());
}
}