本文整理了Java中dk.eobjects.metamodel.query.Query.select方法的一些代码示例，展示了Query.select的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.select方法的具体详情如下：
包路径：dk.eobjects.metamodel.query.Query
类名称：Query
方法名：select

Query.select介绍

暂无

代码示例

代码示例来源：origin: dk.eobjects.commons/MetaModel

public Query selectCount() {
  return select(SelectItem.getCountAllItem());
}

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

/**
 * Convenience method to create a base query for matrix values based on a
 * specific column (where only the columns content is of interest).
 */
protected Query getBaseQuery(Column column) {
  return new Query().from(column.getTable()).select(
      new SelectItem(column)).selectCount().groupBy(column);
}

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

/**
 * Convenience method to create a base query for matrix values based on the
 * configured columns (where the other columns are of interest).
 */
protected Query getBaseQuery() {
  if (_columns.length > 0) {
    Table table = _columns[0].getTable();
    Query q = new Query().select(table.getColumns()).from(table);
    return q;
  }
  return null;
}

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

Query q = new Query().select(selectItem).selectCount().from(
    _column.getTable()).where(
    new FilterItem(items.toArray(new FilterItem[items.size()])))

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-querypostprocessor

@Override
public DataSet materializeMainSchemaTable(Table table,
    Column[] columns, int maxRows) {
  DataContext dc = getDataContext(table);
  Query q = new Query().select(columns).from(table);
  if (maxRows >= 0) {
    q.setMaxRows(maxRows);
  }
  return dc.executeQuery(q);
}

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-jdbc

private long getRowCount(Query q) {
  q = q.clone();
  SelectItem countAllItem = SelectItem.getCountAllItem();
  if (q.getGroupByClause().getItemCount() > 0) {
    q = new Query().from(new FromItem(q).setAlias("sq")).select(
        countAllItem);
  } else {
    q.getSelectClause().removeItems();
    q.select(countAllItem);
  }
  Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  Number count = (Number) row.getValue(countAllItem);
  return count.longValue();
}

代码示例来源：origin: dk.eobjects.commons/MetaModel

private long getRowCount(Query q) {
  q = q.clone();
  SelectItem countAllItem = SelectItem.getCountAllItem();
  if (q.getGroupByClause().getItemCount() > 0) {
    q = new Query().from(new FromItem(q).setAlias("sq")).select(
        countAllItem);
  } else {
    q.getSelectClause().removeItems();
    q.select(countAllItem);
  }
  Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  Number count = (Number) row.getValue(countAllItem);
  return count.longValue();
}

代码示例来源：origin: dk.eobjects.commons/MetaModel

q.select(primaryColumns.toArray(new Column[primaryColumns.size()]));
q.select(foreignColumns.toArray(new Column[foreignColumns.size()]));
q.from(new FromItem(JoinType.LEFT, relationship));
if (_log.isDebugEnabled()) {

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

q.select(columnsToQuery);
SelectItem countAllItem = SelectItem.getCountAllItem();
q.select(countAllItem);
q.groupBy(columnsToQuery);
DataSet data = dataContext.executeQuery(q);

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

@Override
protected List<IMatrix> getResultMatrices() {
  ArrayList<IMatrix> result = new ArrayList<IMatrix>();
  for (int i = 0; i < _columns.length; i++) {
    Column column = _columns[i];
    Map<String, Long> valueMap = _repeatedValues.get(column);
    MatrixBuilder mb = new MatrixBuilder();
    mb.addColumn(column.getName() + " count");
    mb.addColumn(column.getName() + " %");
    for (Entry<String, Long> entry : valueMap.entrySet()) {
      Long repeatCount = entry.getValue();
      String value = entry.getKey();
      int repeatPercentage = (int) (repeatCount * 100 / _totalCount);
      if (repeatPercentage >= _significanceRate) {
        MatrixValue[] matrixValues = mb.addRow(value, repeatCount,
            repeatPercentage + "%");
        matrixValues[0].setDetailSource(new Query().from(
            column.getTable()).select(_columns).where(
            new FilterItem(new SelectItem(column),
                OperatorType.EQUALS_TO, value)));
      }
    }
    if (!mb.isEmpty()) {
      mb.sortColumn(0, MatrixBuilder.DESCENDING);
      result.add(mb.getMatrix());
    }
  }
  return result;
}

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-xml

q.select(primaryColumns.toArray(new Column[primaryColumns.size()]));
q.select(foreignColumns.toArray(new Column[foreignColumns.size()]));
q.from(new FromItem(JoinType.LEFT, relationship));
if (_log.isDebugEnabled()) {

代码示例来源：origin: dk.eobjects.commons/MetaModel

.getForeignColumns();
SelectItem countAllItem = SelectItem.getCountAllItem();
Query q = new Query().select(foreignColumns).select(
    countAllItem).from(table).groupBy(foreignColumns);
DataSet data = executeQuery(q);

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-xml

Query q = new Query().select(foreignColumns).select(
    countAllItem).from(table).groupBy(
    foreignColumns);

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-querypostprocessor

columnsToQuery = MetaModelHelper.getColumnsByType(columnsToQuery,
    ColumnType.VARCHAR);
DataSet dataSet = executeQuery(new Query().select(columnsToQuery)
    .from(table));

代码示例来源：origin: dk.eobjects.datacleaner/DataCleaner-core

.select(_columns).where(
        new FilterItem(new SelectItem(column),
            OperatorType.EQUALS_TO, null)));
if (column.getType() == null || column.getType().isLiteral()) {
  values[2].setDetailSource(new Query().from(
      column.getTable()).select(_columns).where(
      new FilterItem(new SelectItem(column),
          OperatorType.EQUALS_TO, "")));

代码示例来源：origin: dk.eobjects.commons/MetaModel

private List<Query> splitQueryBasedOnColumn(Column column) {
  SelectItem maxItem = new SelectItem(FunctionType.MAX, column);
  SelectItem minItem = new SelectItem(FunctionType.MIN, column);
  Query q = new Query().from(column.getTable()).select(maxItem, minItem);
  Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  long max = ceil((Number) row.getValue(maxItem));

代码示例来源：origin: dk.eobjects.metamodel/MetaModel-jdbc

private List<Query> splitQueryBasedOnColumn(Column column) {
  SelectItem maxItem = new SelectItem(FunctionType.MAX, column);
  SelectItem minItem = new SelectItem(FunctionType.MIN, column);
  Query q = new Query().from(column.getTable()).select(maxItem, minItem);
  Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  long max = ceil((Number) row.getValue(maxItem));

代码示例来源：origin: dk.eobjects.commons/MetaModel

@Override
  public Query clone() {
    Query q = new Query();
    q.setMaxRows(_maxRows);
    q.getSelectClause().setDistinct(_selectClause.isDistinct());
    for (FromItem item : _fromClause.getItems()) {
      q.from(item.clone());
    }
    for (SelectItem item : _selectClause.getItems()) {
      q.select(item.clone());
    }
    for (FilterItem item : _whereClause.getItems()) {
      q.where(item.clone());
    }
    for (GroupByItem item : _groupByClause.getItems()) {
      q.groupBy(item.clone());
    }
    for (FilterItem item : _havingClause.getItems()) {
      q.having(item.clone());
    }
    for (OrderByItem item : _orderByClause.getItems()) {
      q.orderBy(item.clone());
    }
    return q;
  }
}