package liquibase.change.core.supplier;
import liquibase.change.Change;
import liquibase.change.ColumnConfig;
import liquibase.change.core.CreateTableChange;
import liquibase.change.core.DropColumnChange;
import liquibase.diff.DiffResult;
import liquibase.sdk.supplier.change.AbstractChangeSupplier;
import liquibase.structure.core.Column;
import liquibase.structure.core.Table;
import static junit.framework.Assert.assertNotNull;
public class DropColumnChangeSupplier extends AbstractChangeSupplier<DropColumnChange> {
public DropColumnChangeSupplier() {
super(DropColumnChange.class);
}
@Override
public Change[] prepareDatabase(DropColumnChange change) throws Exception {
CreateTableChange createTableChange = new CreateTableChange();
createTableChange.setCatalogName(change.getCatalogName());
createTableChange.setSchemaName(change.getSchemaName());
createTableChange.setTableName(change.getTableName());
createTableChange.addColumn(new ColumnConfig().setName(change.getColumnName()).setType("int"));
createTableChange.addColumn(new ColumnConfig().setName("other_col").setType("int"));
return new Change[] {createTableChange };
}
@Override
public void checkDiffResult(DiffResult diffResult, DropColumnChange change) {
assertNotNull(diffResult.getMissingObject(new Column(Table.class, change.getCatalogName(), change.getSchemaName(), change.getTableName(), change.getColumnName())));
}
}