dk.eobjects.metamodel.query.Query.getSelectClause()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中dk.eobjects.metamodel.query.Query.getSelectClause方法的一些代码示例，展示了Query.getSelectClause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.getSelectClause方法的具体详情如下：
包路径：dk.eobjects.metamodel.query.Query
类名称：Query
方法名：getSelectClause

Query.getSelectClause介绍

暂无

代码示例

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

  1. public JdbcDataSetStrategy(Query query, Statement statement,
  2.     ResultSet resultSet) {
  3.   if (query == null || statement == null || resultSet == null) {
  4.     throw new IllegalArgumentException("Arguments cannot be null");
  5.   }
  6.   List<SelectItem> items = query.getSelectClause().getItems();
  7.   _selectItems = items.toArray(new SelectItem[items.size()]);
  8.   _statement = statement;
  9.   _resultSet = resultSet;
  10. }

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

  1. public SplitQueriesDataSetStrategy(DataContext dataContext,
  2.     List<Query> splitQueries) {
  3.   if (dataContext == null || splitQueries == null) {
  4.     throw new IllegalArgumentException("Arguments cannot be null");
  5.   }
  6.   _dataContext = dataContext;
  7.   _queryIterator = splitQueries.iterator();
  8.   if (splitQueries.size() == 0) {
  9.     _selectItems = new SelectItem[0];
  10.   } else {
  11.     _selectItems = splitQueries.get(0).getSelectClause().getItems()
  12.         .toArray(new SelectItem[0]);
  13.   }
  14. }

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

  1. public SplitQueriesDataSetStrategy(DataContext dataContext,
  2.     List<Query> splitQueries) {
  3.   if (dataContext == null || splitQueries == null) {
  4.     throw new IllegalArgumentException("Arguments cannot be null");
  5.   }
  6.   _dataContext = dataContext;
  7.   _queryIterator = splitQueries.iterator();
  8.   if (splitQueries.size() == 0) {
  9.     _selectItems = new SelectItem[0];
  10.   } else {
  11.     _selectItems = splitQueries.get(0).getSelectClause().getItems()
  12.         .toArray(new SelectItem[0]);
  13.   }
  14. }

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

  1. @Override
  2. public boolean equals(Object obj) {
  3.   if (obj == this) {
  4.     return true;
  5.   }
  6.   if (obj instanceof Query) {
  7.     Query that = (Query) obj;
  8.     EqualsBuilder eb = new EqualsBuilder();
  9.     eb.append(this.getMaxRows(), that.getMaxRows());
  10.     eb.append(this.getSelectClause(), that.getSelectClause());
  11.     eb.append(this.getFromClause(), that.getFromClause());
  12.     eb.append(this.getWhereClause(), that.getWhereClause());
  13.     eb.append(this.getGroupByClause(), that.getGroupByClause());
  14.     eb.append(this.getHavingClause(), that.getHavingClause());
  15.     eb.append(this.getOrderByClause(), that.getOrderByClause());
  16.     return eb.isEquals();
  17.   }
  18.   return false;
  19. }

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

  1. public String rewriteQuery(JdbcDataContextStrategy strategy, Query query) {
  2.   query = beforeRewrite(strategy, query);
  3.   StringBuilder sb = new StringBuilder();
  4.   sb
  5.       .append(rewriteSelectClause(strategy, query, query
  6.           .getSelectClause()));
  7.   sb.append(rewriteFromClause(strategy, query, query.getFromClause()));
  8.   sb.append(rewriteWhereClause(strategy, query, query.getWhereClause()));
  9.   sb.append(rewriteGroupByClause(strategy, query, query
  10.       .getGroupByClause()));
  11.   sb
  12.       .append(rewriteHavingClause(strategy, query, query
  13.           .getHavingClause()));
  14.   sb.append(rewriteOrderByClause(strategy, query, query
  15.       .getOrderByClause()));
  16.   return sb.toString();
  17. }

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

  1. public String rewriteQuery(JdbcDataContextStrategy strategy, Query query) {
  2.   query = beforeRewrite(strategy, query);
  3.   StringBuilder sb = new StringBuilder();
  4.   sb
  5.       .append(rewriteSelectClause(strategy, query, query
  6.           .getSelectClause()));
  7.   sb.append(rewriteFromClause(strategy, query, query.getFromClause()));
  8.   sb.append(rewriteWhereClause(strategy, query, query.getWhereClause()));
  9.   sb.append(rewriteGroupByClause(strategy, query, query
  10.       .getGroupByClause()));
  11.   sb
  12.       .append(rewriteHavingClause(strategy, query, query
  13.           .getHavingClause()));
  14.   sb.append(rewriteOrderByClause(strategy, query, query
  15.       .getOrderByClause()));
  16.   return sb.toString();
  17. }

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

  1. private long getRowCount(Query q) {
  2.   q = q.clone();
  3.   SelectItem countAllItem = SelectItem.getCountAllItem();
  4.   if (q.getGroupByClause().getItemCount() > 0) {
  5.     q = new Query().from(new FromItem(q).setAlias("sq")).select(
  6.         countAllItem);
  7.   } else {
  8.     q.getSelectClause().removeItems();
  9.     q.select(countAllItem);
  10.   }
  11.   Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  12.   Number count = (Number) row.getValue(countAllItem);
  13.   return count.longValue();
  14. }

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

  1. private long getRowCount(Query q) {
  2.   q = q.clone();
  3.   SelectItem countAllItem = SelectItem.getCountAllItem();
  4.   if (q.getGroupByClause().getItemCount() > 0) {
  5.     q = new Query().from(new FromItem(q).setAlias("sq")).select(
  6.         countAllItem);
  7.   } else {
  8.     q.getSelectClause().removeItems();
  9.     q.select(countAllItem);
  10.   }
  11.   Row row = MetaModelHelper.executeSingleRowQuery(_dataContext, q);
  12.   Number count = (Number) row.getValue(countAllItem);
  13.   return count.longValue();
  14. }

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

  1. if (query != null) {
  2.   List<SelectItem> selectItems = collectSelectItems(query
  3.       .getSelectClause().getItems(), query.getWhereClause()
  4.       .getEvaluatedSelectItems(), query.getHavingClause()
  5.       .getEvaluatedSelectItems());

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

  1. public DataSet executeQuery(Query query) {
  2.   List<SelectItem> selectItems = query.getSelectClause().getItems();
  3.   List<FromItem> fromItems = query.getFromClause().getItems();
  4.   List<FilterItem> whereItems = query.getWhereClause().getItems();
  5.   if (query.getSelectClause().isDistinct()) {
  6.     dataSet = MetaModelHelper.getSelection(selectItems, dataSet);
  7.     dataSet = MetaModelHelper.getDistinct(dataSet);

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

  1. public DataSet executeQuery(Query query) {
  2.   List<SelectItem> selectItems = query.getSelectClause().getItems();
  3.   List<FromItem> fromItems = query.getFromClause().getItems();
  4.   List<FilterItem> whereItems = query.getWhereClause().getItems();

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

  1. if (query != null) {
  2.   List<SelectItem> selectItems = collectSelectItems(query
  3.       .getSelectClause().getItems(), query.getWhereClause()
  4.       .getEvaluatedSelectItems(), query.getHavingClause()
  5.       .getEvaluatedSelectItems());

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

  1. @Override
  2. protected Query beforeRewrite(JdbcDataContextStrategy strategy, Query query) {
  3.   query = query.clone();
  4.   if (strategy != null) {
  5.     String identifierQuoteString = strategy.getIdentifierQuoteString();
  6.     if (identifierQuoteString != null) {
  7.       List<SelectItem> selectItems = query.getSelectClause()
  8.           .getItems();
  9.       for (SelectItem item : selectItems) {
  10.         String alias = item.getAlias();
  11.         if (needsQuoting(alias, identifierQuoteString)) {
  12.           item.setAlias(identifierQuoteString + alias
  13.               + identifierQuoteString);
  14.         }
  15.       }
  16.       List<FromItem> fromItems = query.getFromClause().getItems();
  17.       for (FromItem item : fromItems) {
  18.         String alias = item.getAlias();
  19.         if (needsQuoting(alias, identifierQuoteString)) {
  20.           item.setAlias(identifierQuoteString + alias
  21.               + identifierQuoteString);
  22.         }
  23.       }
  24.     }
  25.   }
  26.   return query;
  27. }

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

  1. @Override
  2. protected Query beforeRewrite(JdbcDataContextStrategy strategy, Query query) {
  3.   query = query.clone();
  4.   if (strategy != null) {
  5.     String identifierQuoteString = strategy.getIdentifierQuoteString();
  6.     if (identifierQuoteString != null) {
  7.       List<SelectItem> selectItems = query.getSelectClause()
  8.           .getItems();
  9.       for (SelectItem item : selectItems) {
  10.         String alias = item.getAlias();
  11.         if (needsQuoting(alias, identifierQuoteString)) {
  12.           item.setAlias(identifierQuoteString + alias
  13.               + identifierQuoteString);
  14.         }
  15.       }
  16.       List<FromItem> fromItems = query.getFromClause().getItems();
  17.       for (FromItem item : fromItems) {
  18.         String alias = item.getAlias();
  19.         if (needsQuoting(alias, identifierQuoteString)) {
  20.           item.setAlias(identifierQuoteString + alias
  21.               + identifierQuoteString);
  22.         }
  23.       }
  24.     }
  25.   }
  26.   return query;
  27. }

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

  1. @Override
  2.   public Query clone() {
  3.     Query q = new Query();
  4.     q.setMaxRows(_maxRows);
  5.     q.getSelectClause().setDistinct(_selectClause.isDistinct());
  6.     for (FromItem item : _fromClause.getItems()) {
  7.       q.from(item.clone());
  8.     }
  9.     for (SelectItem item : _selectClause.getItems()) {
  10.       q.select(item.clone());
  11.     }
  12.     for (FilterItem item : _whereClause.getItems()) {
  13.       q.where(item.clone());
  14.     }
  15.     for (GroupByItem item : _groupByClause.getItems()) {
  16.       q.groupBy(item.clone());
  17.     }
  18.     for (FilterItem item : _havingClause.getItems()) {
  19.       q.having(item.clone());
  20.     }
  21.     for (OrderByItem item : _orderByClause.getItems()) {
  22.       q.orderBy(item.clone());
  23.     }
  24.     return q;
  25.   }
  26. }

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