Examples with CopyColumnValueChange org.jumpmind.db.alter.CopyColumnValueChange used on opensource projects

Example 11 with CopyColumnValueChange

use of org.jumpmind.db.alter.CopyColumnValueChange in project symmetric-ds by JumpMind.

the class MySqlDdlBuilder method processTableStructureChanges.

@Override
protected void processTableStructureChanges(Database currentModel, Database desiredModel, Table sourceTable, Table targetTable, List<TableChange> changes, StringBuilder ddl) {
    for (Iterator<TableChange> changeIt = changes.iterator(); changeIt.hasNext(); ) {
        TableChange change = changeIt.next();
        if (change instanceof AddColumnChange) {
            processChange(currentModel, desiredModel, (AddColumnChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof ColumnAutoIncrementChange) {
            /**
             * This has to happen before any primary key changes because if
             * a column is bring dropped as auto increment and being dropped
             * from the primary key, an auto increment column can't be a non
             * primary key column on mysql.
             */
            try {
                Column sourceColumn = ((ColumnAutoIncrementChange) change).getColumn();
                Column targetColumn = (Column) sourceColumn.clone();
                targetColumn.setAutoIncrement(!sourceColumn.isAutoIncrement());
                processColumnChange(sourceTable, targetTable, sourceColumn, targetColumn, ddl);
                changeIt.remove();
            } catch (CloneNotSupportedException e) {
                log.error("", e);
            }
        }
    }
    List<Column> changedColumns = new ArrayList<Column>();
    // columns are present
    for (Iterator<TableChange> changeIt = changes.iterator(); changeIt.hasNext(); ) {
        TableChange change = changeIt.next();
        if (change instanceof RemoveColumnChange) {
            processChange(currentModel, desiredModel, (RemoveColumnChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof CopyColumnValueChange) {
            CopyColumnValueChange copyColumnChange = (CopyColumnValueChange) change;
            processChange(currentModel, desiredModel, copyColumnChange, ddl);
            changeIt.remove();
        } else if (change instanceof AddPrimaryKeyChange) {
            processChange(currentModel, desiredModel, (AddPrimaryKeyChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof PrimaryKeyChange) {
            processChange(currentModel, desiredModel, (PrimaryKeyChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof RemovePrimaryKeyChange) {
            processChange(currentModel, desiredModel, (RemovePrimaryKeyChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof ColumnChange) {
            /*
                 * we gather all changed columns because we can use the ALTER
                 * TABLE MODIFY COLUMN statement for them
                 */
            Column column = ((ColumnChange) change).getChangedColumn();
            if (!changedColumns.contains(column)) {
                changedColumns.add(column);
            }
            changeIt.remove();
        }
    }
    for (Iterator<Column> columnIt = changedColumns.iterator(); columnIt.hasNext(); ) {
        Column sourceColumn = columnIt.next();
        Column targetColumn = targetTable.findColumn(sourceColumn.getName(), delimitedIdentifierModeOn);
        processColumnChange(sourceTable, targetTable, sourceColumn, targetColumn, ddl);
    }
}

Example 12 with CopyColumnValueChange

use of org.jumpmind.db.alter.CopyColumnValueChange in project symmetric-ds by JumpMind.

the class H2DdlBuilder method processTableStructureChanges.

@Override
protected void processTableStructureChanges(Database currentModel, Database desiredModel, Table sourceTable, Table targetTable, List<TableChange> changes, StringBuilder ddl) {
    for (Iterator<TableChange> changeIt = changes.iterator(); changeIt.hasNext(); ) {
        TableChange change = changeIt.next();
        if (change instanceof AddColumnChange) {
            AddColumnChange addColumnChange = (AddColumnChange) change;
            processChange(currentModel, desiredModel, addColumnChange, ddl);
            changeIt.remove();
        } else if (change instanceof CopyColumnValueChange) {
            CopyColumnValueChange copyColumnChange = (CopyColumnValueChange) change;
            processChange(currentModel, desiredModel, copyColumnChange, ddl);
            changeIt.remove();
        } else if (change instanceof RemoveColumnChange) {
            processChange(currentModel, desiredModel, (RemoveColumnChange) change, ddl);
            changeIt.remove();
        } else if (change instanceof ColumnDefaultValueChange) {
            ColumnDefaultValueChange defaultChange = (ColumnDefaultValueChange) change;
            defaultChange.getChangedColumn().setDefaultValue(defaultChange.getNewDefaultValue());
            writeAlterColumn(change.getChangedTable(), defaultChange.getChangedColumn(), ddl);
            changeIt.remove();
        } else if (change instanceof ColumnRequiredChange) {
            ColumnRequiredChange defaultChange = (ColumnRequiredChange) change;
            defaultChange.getChangedColumn().setRequired(!defaultChange.getChangedColumn().isRequired());
            writeAlterColumn(change.getChangedTable(), defaultChange.getChangedColumn(), ddl);
            changeIt.remove();
        } else if (change instanceof ColumnSizeChange) {
            ColumnSizeChange sizeChange = (ColumnSizeChange) change;
            sizeChange.getChangedColumn().setSizeAndScale(sizeChange.getNewSize(), sizeChange.getNewScale());
            writeAlterColumn(change.getChangedTable(), sizeChange.getChangedColumn(), ddl);
            changeIt.remove();
        } else if (change instanceof ColumnAutoIncrementChange) {
            ColumnAutoIncrementChange defaultChange = (ColumnAutoIncrementChange) change;
            defaultChange.getColumn().setAutoIncrement(!defaultChange.getColumn().isAutoIncrement());
            writeAlterColumn(change.getChangedTable(), defaultChange.getColumn(), ddl);
            changeIt.remove();
        }
    }
    super.processTableStructureChanges(currentModel, desiredModel, sourceTable, targetTable, changes, ddl);
}