Examples with DropColumnStatement liquibase.statement.core.DropColumnStatement used on opensource projects

Example 6 with DropColumnStatement

use of liquibase.statement.core.DropColumnStatement in project liquibase by liquibase.

the class DropColumnChange method generateMultipeColumns.

private SqlStatement[] generateMultipeColumns(Database database) {
    List<SqlStatement> statements = new ArrayList<SqlStatement>();
    List<DropColumnStatement> dropStatements = new ArrayList<DropColumnStatement>();
    for (ColumnConfig column : columns) {
        if (database instanceof SQLiteDatabase) {
            statements.addAll(Arrays.asList(generateStatementsForSQLiteDatabase(database, column.getName())));
        } else {
            dropStatements.add(new DropColumnStatement(getCatalogName(), getSchemaName(), getTableName(), column.getName()));
        }
    }
    if (dropStatements.size() == 1) {
        statements.add(dropStatements.get(0));
    } else {
        statements.add(new DropColumnStatement(dropStatements));
    }
    if (database instanceof DB2Database) {
        statements.add(new ReorganizeTableStatement(getCatalogName(), getSchemaName(), getTableName()));
    }
    return statements.toArray(new SqlStatement[statements.size()]);
}