org.teiid.query.sql.lang.Query.setGroupBy()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.teiid.query.sql.lang.Query.setGroupBy方法的一些代码示例，展示了Query.setGroupBy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.setGroupBy方法的具体详情如下：
包路径：org.teiid.query.sql.lang.Query
类名称：Query
方法名：setGroupBy

Query.setGroupBy介绍

[英]Set the group by clause for the query.
[中]为查询设置group by子句。

代码示例

代码示例来源：origin: org.teiid/teiid-engine

  1. private Query rewriteGroupBy(Query query) throws TeiidComponentException, TeiidProcessingException {
  2.   if (query.getGroupBy() == null) {
  3.     rewriteAggs = false;
  4.     return query;
  5.   }
  6.   if (isDistinctWithGroupBy(query)) {
  7.     query.getSelect().setDistinct(false);
  8.   }
  9.   rewriteExpressions(query.getGroupBy());
  10.   List<Expression> expr = query.getGroupBy().getSymbols();
  11.   for (Iterator<Expression> iter = expr.iterator(); iter.hasNext();) {
  12.     if (EvaluatableVisitor.willBecomeConstant(iter.next())) {
  13.       iter.remove();
  14.     }
  15.   }
  16.   if (expr.isEmpty()) {
  17.     query.setGroupBy(null);
  18.   }
  19.   return query;
  20. }

代码示例来源：origin: org.jboss.teiid/teiid-engine

  1. private Query rewriteGroupBy(Query query) throws TeiidComponentException, TeiidProcessingException {
  2.   if (query.getGroupBy() == null) {
  3.     rewriteAggs = false;
  4.     return query;
  5.   }
  6.   if (isDistinctWithGroupBy(query)) {
  7.     query.getSelect().setDistinct(false);
  8.   }
  9.   rewriteExpressions(query.getGroupBy());
  10.   List<Expression> expr = query.getGroupBy().getSymbols();
  11.   for (Iterator<Expression> iter = expr.iterator(); iter.hasNext();) {
  12.     if (EvaluatableVisitor.willBecomeConstant(iter.next())) {
  13.       iter.remove();
  14.     }
  15.   }
  16.   if (expr.isEmpty()) {
  17.     query.setGroupBy(null);
  18.   }
  19.   return query;
  20. }

代码示例来源：origin: teiid/teiid

  1. private Query rewriteGroupBy(Query query) throws TeiidComponentException, TeiidProcessingException {
  2.   if (query.getGroupBy() == null) {
  3.     rewriteAggs = false;
  4.     return query;
  5.   }
  6.   if (isDistinctWithGroupBy(query)) {
  7.     query.getSelect().setDistinct(false);
  8.   }
  9.   rewriteExpressions(query.getGroupBy());
  10.   List<Expression> expr = query.getGroupBy().getSymbols();
  11.   for (Iterator<Expression> iter = expr.iterator(); iter.hasNext();) {
  12.     if (EvaluatableVisitor.willBecomeConstant(iter.next())) {
  13.       iter.remove();
  14.     }
  15.   }
  16.   if (expr.isEmpty()) {
  17.     query.setGroupBy(null);
  18.   }
  19.   return query;
  20. }

代码示例来源：origin: org.jboss.teiid/teiid-engine

  1. /**
  2.  * Constructs an instance of this class given all the clauses
  3.  * @param select SELECT clause
  4.  * @param from FROM clause
  5.  * @param criteria WHERE clause
  6.  * @param groupBy GROUP BY clause
  7.  * @param having HAVING clause
  8.  * @param orderBy ORDER BY clause
  9.  * @param option OPTION clause
  10.  */
  11. public Query( Select select, From from, Criteria criteria, GroupBy groupBy, Criteria having, OrderBy orderBy, Option option ) {
  12.   super();
  13.   setSelect( select );
  14.   setFrom( from );
  15.   setCriteria( criteria );
  16.   setGroupBy( groupBy );
  17.   setHaving( having );
  18.   setOrderBy( orderBy );
  19.   setOption( option );
  20. }

代码示例来源：origin: org.teiid/teiid-engine

  1. /**
  2.  * Constructs an instance of this class given all the clauses
  3.  * @param select SELECT clause
  4.  * @param from FROM clause
  5.  * @param criteria WHERE clause
  6.  * @param groupBy GROUP BY clause
  7.  * @param having HAVING clause
  8.  * @param orderBy ORDER BY clause
  9.  * @param option OPTION clause
  10.  */
  11. public Query( Select select, From from, Criteria criteria, GroupBy groupBy, Criteria having, OrderBy orderBy, Option option ) {
  12.   super();
  13.   setSelect( select );
  14.   setFrom( from );
  15.   setCriteria( criteria );
  16.   setGroupBy( groupBy );
  17.   setHaving( having );
  18.   setOrderBy( orderBy );
  19.   setOption( option );
  20. }

代码示例来源：origin: teiid/teiid

  1. /**
  2.  * Constructs an instance of this class given all the clauses
  3.  * @param select SELECT clause
  4.  * @param from FROM clause
  5.  * @param criteria WHERE clause
  6.  * @param groupBy GROUP BY clause
  7.  * @param having HAVING clause
  8.  * @param orderBy ORDER BY clause
  9.  * @param option OPTION clause
  10.  */
  11. public Query( Select select, From from, Criteria criteria, GroupBy groupBy, Criteria having, OrderBy orderBy, Option option ) {
  12.   super();
  13.   setSelect( select );
  14.   setFrom( from );
  15.   setCriteria( criteria );
  16.   setGroupBy( groupBy );
  17.   setHaving( having );
  18.   setOrderBy( orderBy );
  19.   setOption( option );
  20. }

代码示例来源：origin: org.teiid/teiid-olingo

  1. groupBy.addSymbol(new ElementSymbol(keyCol, this.groupSymbol));
  2. query.setGroupBy(groupBy);

代码示例来源：origin: teiid/teiid

  1. @Test public void testQuery6() {
  2.   Select select = new Select();
  3.   select.addSymbol(new MultipleElementSymbol());
  4.   From from = new From();
  5.   from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
  6.   CompareCriteria cc = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(new Integer(5))); //$NON-NLS-1$
  7.   GroupBy groupBy = new GroupBy();
  8.   groupBy.addSymbol(new ElementSymbol("e1")); //$NON-NLS-1$
  9.   CompareCriteria having = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.GT, new Constant(new Integer(0))); //$NON-NLS-1$
  10.   
  11.   Query query = new Query();
  12.   query.setSelect(select);
  13.   query.setFrom(from);
  14.   query.setCriteria(cc);
  15.   query.setGroupBy(groupBy);
  16.   query.setHaving(having);
  17.   
  18.   helpTest(query, "SELECT * FROM m.g WHERE e1 = 5 GROUP BY e1 HAVING e1 > 0");		     //$NON-NLS-1$
  19. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testQuery2() {
  2.   Select select = new Select();
  3.   select.addSymbol(new MultipleElementSymbol());
  4.   From from = new From();
  5.   from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
  6.   CompareCriteria cc = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(new Integer(5))); //$NON-NLS-1$
  7.   GroupBy groupBy = new GroupBy();
  8.   groupBy.addSymbol(new ElementSymbol("e1")); //$NON-NLS-1$
  9.   CompareCriteria having = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.GT, new Constant(new Integer(0))); //$NON-NLS-1$
  10.   OrderBy orderBy = new OrderBy();
  11.   orderBy.addVariable(new ElementSymbol("e1")); //$NON-NLS-1$
  12.   
  13.   Query query = new Query();
  14.   query.setSelect(select);
  15.   query.setFrom(from);
  16.   query.setCriteria(cc);
  17.   query.setGroupBy(groupBy);
  18.   query.setHaving(having);
  19.   query.setOrderBy(orderBy);
  20.   
  21.   helpTest(query, "SELECT * FROM m.g WHERE e1 = 5 GROUP BY e1 HAVING e1 > 0 ORDER BY e1");		     //$NON-NLS-1$
  22. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testQuery7() {
  2.   Select select = new Select();
  3.   select.addSymbol(new MultipleElementSymbol());
  4.   From from = new From();
  5.   from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
  6.   CompareCriteria cc = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(new Integer(5))); //$NON-NLS-1$
  7.   GroupBy groupBy = new GroupBy();
  8.   groupBy.addSymbol(new ElementSymbol("e1")); //$NON-NLS-1$
  9.   CompareCriteria having = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.GT, new Constant(new Integer(0))); //$NON-NLS-1$
  10.   OrderBy orderBy = new OrderBy();
  11.   orderBy.addVariable(new ElementSymbol("e1")); //$NON-NLS-1$
  12.   
  13.   Query query = new Query();
  14.   query.setSelect(select);
  15.   query.setFrom(from);
  16.   query.setCriteria(cc);
  17.   query.setGroupBy(groupBy);
  18.   query.setHaving(having);
  19.   query.setOrderBy(orderBy);
  20.   
  21.   helpTest(query, "SELECT * FROM m.g WHERE e1 = 5 GROUP BY e1 HAVING e1 > 0 ORDER BY e1");		     //$NON-NLS-1$
  22. }

代码示例来源：origin: teiid/teiid

  1. query.setSelect(select);
  2. query.setFrom(from);
  3. query.setGroupBy(groupBy);
  4. query.setHaving(having);

代码示例来源：origin: teiid/teiid

  1. /** SELECT a FROM m.g GROUP BY b, c HAVING b=5*/
  2. @Test public void testGroupByHaving() {
  3.   GroupSymbol g = new GroupSymbol("m.g"); //$NON-NLS-1$
  4.   From from = new From();
  5.   from.addGroup(g);
  6.   Select select = new Select();
  7.   select.addSymbol(new ElementSymbol("a", false)); //$NON-NLS-1$
  8.   
  9.   GroupBy groupBy = new GroupBy();
  10.   groupBy.addSymbol(new ElementSymbol("b", false));		 //$NON-NLS-1$
  11.   groupBy.addSymbol(new ElementSymbol("c", false)); //$NON-NLS-1$
  12.   
  13.   CompareCriteria having = new CompareCriteria(new ElementSymbol("b", false), CompareCriteria.EQ, new Constant(new Integer(5))); //$NON-NLS-1$
  14.   
  15.   Query query = new Query();
  16.   query.setSelect(select);
  17.   query.setFrom(from);
  18.   query.setGroupBy(groupBy);
  19.   query.setHaving(having);
  20.   helpTest("SELECT a FROM m.g GROUP BY b, c HAVING b=5",  //$NON-NLS-1$
  21.        "SELECT a FROM m.g GROUP BY b, c HAVING b = 5",  //$NON-NLS-1$
  22.        query);
  23. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testQuery3() {
  2.   Select select = new Select();
  3.   select.addSymbol(new MultipleElementSymbol());
  4.   From from = new From();
  5.   from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
  6.   GroupBy groupBy = new GroupBy();
  7.   groupBy.addSymbol(new ElementSymbol("e1")); //$NON-NLS-1$
  8.   CompareCriteria having = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.GT, new Constant(new Integer(0))); //$NON-NLS-1$
  9.   OrderBy orderBy = new OrderBy();
  10.   orderBy.addVariable(new ElementSymbol("e1")); //$NON-NLS-1$
  11.   
  12.   Query query = new Query();
  13.   query.setSelect(select);
  14.   query.setFrom(from);
  15.   query.setGroupBy(groupBy);
  16.   query.setHaving(having);
  17.   query.setOrderBy(orderBy);
  18.   
  19.   helpTest(query, "SELECT * FROM m.g GROUP BY e1 HAVING e1 > 0 ORDER BY e1");		     //$NON-NLS-1$
  20. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testQuery5() {
  2.   Select select = new Select();
  3.   select.addSymbol(new MultipleElementSymbol());
  4.   From from = new From();
  5.   from.addGroup(new GroupSymbol("m.g")); //$NON-NLS-1$
  6.   CompareCriteria cc = new CompareCriteria(new ElementSymbol("e1"), CompareCriteria.EQ, new Constant(new Integer(5))); //$NON-NLS-1$
  7.   GroupBy groupBy = new GroupBy();
  8.   groupBy.addSymbol(new ElementSymbol("e1")); //$NON-NLS-1$
  9.   OrderBy orderBy = new OrderBy();
  10.   orderBy.addVariable(new ElementSymbol("e1")); //$NON-NLS-1$
  11.   
  12.   Query query = new Query();
  13.   query.setSelect(select);
  14.   query.setFrom(from);
  15.   query.setCriteria(cc);
  16.   query.setGroupBy(groupBy);
  17.   query.setOrderBy(orderBy);
  18.   
  19.   helpTest(query, "SELECT * FROM m.g WHERE e1 = 5 GROUP BY e1 ORDER BY e1");		     //$NON-NLS-1$
  20. }

代码示例来源：origin: teiid/teiid

  1. /** SELECT a FROM m.g GROUP BY a HAVING COUNT(b) > 0*/
  2. @Test public void testHavingFunction() {
  3.   GroupSymbol g = new GroupSymbol("m.g"); //$NON-NLS-1$
  4.   From from = new From();
  5.   from.addGroup(g);
  6.   Select select = new Select();
  7.   select.addSymbol(new ElementSymbol("a")); //$NON-NLS-1$
  8.   
  9.   GroupBy groupBy = new GroupBy();
  10.   groupBy.addSymbol(new ElementSymbol("a")); //$NON-NLS-1$
  11.   
  12.   Criteria having = new CompareCriteria(
  13.     new AggregateSymbol("COUNT", false, new ElementSymbol("b", false)), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  14.     CompareCriteria.GT,
  15.     new Constant(new Integer(0)) );
  16.       
  17.   Query query = new Query();
  18.   query.setSelect(select);
  19.   query.setFrom(from);
  20.   query.setGroupBy(groupBy);
  21.   query.setHaving(having);
  22.   
  23.   helpTest("SELECT a FROM m.g GROUP BY a HAVING COUNT(b) > 0",  //$NON-NLS-1$
  24.        "SELECT a FROM m.g GROUP BY a HAVING COUNT(b) > 0",  //$NON-NLS-1$
  25.        query);
  26. }

代码示例来源：origin: teiid/teiid

  1. copy.setGroupBy( (GroupBy) groupBy.clone());

代码示例来源：origin: org.teiid/teiid-engine

  1. copy.setGroupBy( (GroupBy) groupBy.clone());

代码示例来源：origin: teiid/teiid

  1. /** SELECT a FROM m.g GROUP BY b, c */
  2. @Test public void testGroupBy() {
  3.   GroupSymbol g = new GroupSymbol("m.g"); //$NON-NLS-1$
  4.   From from = new From();
  5.   from.addGroup(g);
  6.   Select select = new Select();
  7.   select.addSymbol(new ElementSymbol("a", false)); //$NON-NLS-1$
  8.   
  9.   GroupBy groupBy = new GroupBy();
  10.   groupBy.addSymbol(new ElementSymbol("b", false));		 //$NON-NLS-1$
  11.   groupBy.addSymbol(new ElementSymbol("c", false)); //$NON-NLS-1$
  12.   
  13.   Query query = new Query();
  14.   query.setSelect(select);
  15.   query.setFrom(from);
  16.   query.setGroupBy(groupBy);
  17.   helpTest("SELECT a FROM m.g GROUP BY b, c",  //$NON-NLS-1$
  18.        "SELECT a FROM m.g GROUP BY b, c",  //$NON-NLS-1$
  19.        query);
  20. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testGroupByRollup() {
  2.   GroupSymbol g = new GroupSymbol("m.g"); //$NON-NLS-1$
  3.   From from = new From();
  4.   from.addGroup(g);
  5.   Select select = new Select();
  6.   select.addSymbol(new ElementSymbol("a", false)); //$NON-NLS-1$
  7.   
  8.   GroupBy groupBy = new GroupBy();
  9.   groupBy.setRollup(true);
  10.   groupBy.addSymbol(new ElementSymbol("b", false));		 //$NON-NLS-1$
  11.   groupBy.addSymbol(new ElementSymbol("c", false)); //$NON-NLS-1$
  12.   
  13.   Query query = new Query();
  14.   query.setSelect(select);
  15.   query.setFrom(from);
  16.   query.setGroupBy(groupBy);
  17.   helpTest("SELECT a FROM m.g GROUP BY rollup(b, c)",  //$NON-NLS-1$
  18.        "SELECT a FROM m.g GROUP BY ROLLUP(b, c)",  //$NON-NLS-1$
  19.        query);
  20. }

代码示例来源：origin: org.jboss.teiid/teiid-engine

  1. copy.setGroupBy( (GroupBy) groupBy.clone());

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