org.teiid.query.sql.lang.Query.setLimit()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.setLimit方法的一些代码示例，展示了Query.setLimit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.setLimit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：setLimit

Query.setLimit介绍

暂无

代码示例

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithOffset() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Constant(new Integer(50)), new Constant(new Integer(100))));
  8.   helpTest("Select * from a limit 50,100", "SELECT * FROM a LIMIT 50, 100", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: org.teiid/teiid-engine

  1. query.setOrderBy(null);
  2. Limit limit = query.getLimit();
  3. query.setLimit(null);
  4. Set<Expression> newSelectColumns = new LinkedHashSet<Expression>();
  5. for (final Iterator<Expression> iterator = groupBy.getSymbols().iterator(); iterator.hasNext();) {
  6. ExpressionMappingVisitor.mapExpressions(orderBy, expressionMap, true);
  7. outerQuery.setOrderBy(orderBy);
  8. outerQuery.setLimit(limit);
  9. ExpressionMappingVisitor.mapExpressions(select, expressionMap, true);
  10. outerQuery.setSelect(select);

代码示例来源：origin: teiid/teiid

  1. query.setOrderBy(null);
  2. Limit limit = query.getLimit();
  3. query.setLimit(null);
  4. Set<Expression> newSelectColumns = new LinkedHashSet<Expression>();
  5. for (final Iterator<Expression> iterator = groupBy.getSymbols().iterator(); iterator.hasNext();) {
  6. ExpressionMappingVisitor.mapExpressions(orderBy, expressionMap, true);
  7. outerQuery.setOrderBy(orderBy);
  8. outerQuery.setLimit(limit);
  9. ExpressionMappingVisitor.mapExpressions(select, expressionMap, true);
  10. outerQuery.setSelect(select);

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithOffsetKeyword() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Constant(new Integer(50)), new Constant(new Integer(100))));
  8.   helpTest("Select * from a limit 100 offset 50", "SELECT * FROM a LIMIT 50, 100", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

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

  1. query.setOrderBy(null);
  2. Limit limit = query.getLimit();
  3. query.setLimit(null);
  4. Set<Expression> newSelectColumns = new LinkedHashSet<Expression>();
  5. for (final Iterator<Expression> iterator = groupBy.getSymbols().iterator(); iterator.hasNext();) {
  6. ExpressionMappingVisitor.mapExpressions(orderBy, expressionMap, true);
  7. outerQuery.setOrderBy(orderBy);
  8. outerQuery.setLimit(limit);
  9. ExpressionMappingVisitor.mapExpressions(select, expressionMap, true);
  10. outerQuery.setSelect(select);

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithOffset() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Constant(new Integer(50)), new Constant(new Integer(100))));
  8.   helpTest(query, "SELECT * FROM a LIMIT 50, 100"); //$NON-NLS-1$ 
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimit() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(null, new Constant(new Integer(100))));
  8.   helpTest(query, "SELECT * FROM a LIMIT 100"); //$NON-NLS-1$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimit() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(null, new Constant(new Integer(100))));
  8.   helpTest("Select * from a limit 100", "SELECT * FROM a LIMIT 100", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithReferences2() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Constant(new Integer(50)), new Reference(0)));
  8.   helpTest("Select * from a limit 50,?", "SELECT * FROM a LIMIT 50, ?", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithReferences1() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Reference(0), new Constant(new Integer(100))));
  8.   helpTest("Select * from a limit ?,100", "SELECT * FROM a LIMIT ?, 100", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. query.setLimit(rewriteLimitClause(query.getLimit()));

代码示例来源：origin: teiid/teiid

  1. @Test public void testFetchFirst() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(null, new Constant(2)));
  8.   helpTest("Select * from a fetch first 2 rows only", "SELECT * FROM a LIMIT 2", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testOffset() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Reference(0), null));
  8.   helpTest("Select * from a offset ? rows", "SELECT * FROM a OFFSET ? ROWS", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testFetchFirstRow() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(null, new Constant(1)));
  8.   helpTest("Select * from a fetch first row only", "SELECT * FROM a LIMIT 1", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

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

  1. static void planQueries(final MappingSourceNode sourceNode, XMLPlannerEnvironment planEnv) 
  2.   throws QueryPlannerException, QueryMetadataException, TeiidComponentException {
  3.   ResultSetInfo rsInfo = sourceNode.getResultSetInfo();
  4.   
  5.   // Create sql:  SELECT * FROM rsName            
  6.   Query rsQuery = (Query)rsInfo.getCommand();
  7.   
  8.   // add user order by to base query
  9.   rsQuery.setOrderBy(rsInfo.getOrderBy());
  10.   // add user criteria to base query from model
  11.   Criteria crit = rsInfo.getCriteria();
  12.   try {
  13.     if(crit != null) {
  14.       planQueryWithCriteria(sourceNode, planEnv);
  15.     }
  16.   } catch (QueryResolverException e) {
  17.      throw new TeiidComponentException(QueryPlugin.Event.TEIID30294, e);
  18.   }
  19.   if (rsInfo.getUserRowLimit() != -1) {
  20.     int limit = rsInfo.getUserRowLimit();
  21.     if (rsInfo.exceptionOnRowlimit()) {
  22.       limit++;
  23.     }
  24.     rsQuery.setLimit(new Limit(null, new Constant(limit)));
  25.   }
  26.   
  27.   // this query is not eligible for staging; proceed normally.
  28.   rsInfo.setCommand(rsQuery);            
  29. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testOffsetFetch() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Constant(2), new Constant(5)));
  8.   helpTest("Select * from a offset 2 rows fetch first 5 rows only", "SELECT * FROM a LIMIT 2, 5", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: teiid/teiid

  1. @Test public void testLimitWithReferences3() {
  2.   Query query = new Query();
  3.   Select select = new Select(Arrays.asList(new MultipleElementSymbol()));
  4.   From from = new From(Arrays.asList(new UnaryFromClause(new GroupSymbol("a")))); //$NON-NLS-1$
  5.   query.setSelect(select);
  6.   query.setFrom(from);
  7.   query.setLimit(new Limit(new Reference(0), new Reference(1)));
  8.   helpTest("Select * from a limit ?,?", "SELECT * FROM a LIMIT ?, ?", query); //$NON-NLS-1$ //$NON-NLS-2$
  9. }

代码示例来源：origin: org.teiid/teiid-engine

  1. copy.setLimit( getLimit().clone());

代码示例来源：origin: teiid/teiid

  1. copy.setLimit( getLimit().clone());

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

  1. copy.setLimit( getLimit().clone());

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