List of usedTableScan() Examples

Examples of usedTableScan()

org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()
Return whether or not a Table Scan result set was used in the query.

Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()


        JDBC.assertFullResultSet(rs, expRS, true);
     
        p = SQLUtilities.getRuntimeStatisticsParser(st);  
        assertTrue("Expected table scan on T3", p.usedTableScan("T3"));
        assertTrue("Expected table scan on T4", p.usedTableScan("T4"));
      
        // Combination of join predicate and non-join predicate:
        // the join predicate should be pushed to V2 (T3 and T4),
        // the non-join predicate should operate as usual.

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

                { "3", "6", "3", "3" }, { "4", "-8", "4", "4" },
                { "4", "8", "4", "4" } };


        JDBC.assertFullResultSet(rs, expRS, true);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        
        // UNION
        // ALL should behave just like normal UNION. I.e.
        // predicates should still be pushed to T3 and T4.

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

                { "4", "8", "4", "4" } };


        JDBC.assertFullResultSet(rs, expRS, true);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        
        // UNION
        // ALL should behave just like normal UNION. I.e.
        // predicates should still be pushed to T3 and T4.

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

        expColNames = new String[] { "I", "J", "A", "B" };
        JDBC.assertColumnNames(rs, expColNames);
 
        JDBC.assertEmpty(rs);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Pushing predicates should still work even if user

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

        JDBC.assertColumnNames(rs, expColNames);
 
        JDBC.assertEmpty(rs);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Pushing predicates should still work even if user
        // specifies explicit column names. In these two queries

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

 
        JDBC.assertEmpty(rs);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Pushing predicates should still work even if user
        // specifies explicit column names. In these two queries
        // we push to X2 (T3 and T4).

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

        JDBC.assertEmpty(rs);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Pushing predicates should still work even if user
        // specifies explicit column names. In these two queries
        // we push to X2 (T3 and T4).

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

            
        expRS = new String[][] { { "103" } };


        JDBC.assertFullResultSet(rs, expRS, true);
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Hash Join",p.usedHashJoin());


        // If we
        // have nested unions, the predicate should get pushed all
        // the way down to the base table(s) for every level of

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()

        expRS = new String[][] { { "108" }};


        JDBC.assertFullResultSet(rs, expRS, true);
        
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Predicate pushdown should work with explicit use of

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Examples of org.apache.derbyTesting.junit.RuntimeStatisticsParser.usedTableScan()


        JDBC.assertFullResultSet(rs, expRS, true);
        
        p = SQLUtilities.getRuntimeStatisticsParser(st);
        assertTrue("Expected Table Scan ResultSet for T1", p.usedTableScan("T1"));
        assertTrue("Expected Table Scan ResultSet for T2", p.usedTableScan("T2"));
        assertTrue("Expected Table Scan ResultSet for T3", p.usedTableScan("T3"));
        assertTrue("Expected Table Scan ResultSet for T4", p.usedTableScan("T4"));
  
        // Predicate pushdown should work with explicit use of
        // "inner join" just like it does for implicit join. So

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