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Overview
Comment:Fix a duplicate test name in cursorhint2.test.
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Timelines: family | ancestors | descendants | both | cursor-hints
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SHA1: fcd12b69cee1335224a65aa6d22c4e302b889398
User & Date: dan 2016-06-17 14:59:40.619
Context
2016-06-17
19:27
Include WHERE terms in the cursor-hint passed to a cursor opened for the rhs of a LEFT JOIN iff we can be sure that those terms will not evaluate to true if the LEFT JOIN generates a row of NULLs. (check-in: 998095aba0 user: dan tags: cursor-hints)
14:59
Fix a duplicate test name in cursorhint2.test. (check-in: fcd12b69ce user: dan tags: cursor-hints)
14:47
Fix a typo in the cursorhint2.test script. (check-in: c1a5a57cf1 user: dan tags: cursor-hints)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/cursorhint2.test.
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do_extract_hints_test 1.6 {
  SELECT * FROM t1 LEFT JOIN t2 ON (a=c) LEFT JOIN t3 ON (d=f);
} {
  t2 {EQ(r[2],c0)} t3 {EQ(r[6],c1)}
}

do_extract_hints_test 1.6 {
  SELECT * FROM t1 LEFT JOIN t2 ON (a=c AND d=e) LEFT JOIN t3 ON (d=f);
} {
  t2 {EQ(r[2],c0)} t3 {EQ(r[6],c1)}
}

finish_test









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do_extract_hints_test 1.6 {
  SELECT * FROM t1 LEFT JOIN t2 ON (a=c) LEFT JOIN t3 ON (d=f);
} {
  t2 {EQ(r[2],c0)} t3 {EQ(r[6],c1)}
}

do_extract_hints_test 1.7 {
  SELECT * FROM t1 LEFT JOIN t2 ON (a=c AND d=e) LEFT JOIN t3 ON (d=f);
} {
  t2 {EQ(r[2],c0)} t3 {EQ(r[6],c1)}
}

finish_test
Changes to test/where3.test.
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    INSERT INTO t3 VALUES(999,'nine');
    CREATE INDEX t3i1 ON t3(x);
    
    SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x WHERE p=2 AND a=q;
  }
} {222 two 2 222 {} {}}

ifcapable explain {
  do_test where3-1.1.1 {
     explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x
                        WHERE p=2 AND a=q}
  } [explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON x=q
                        WHERE p=2 AND a=q}]
}









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    INSERT INTO t3 VALUES(999,'nine');
    CREATE INDEX t3i1 ON t3(x);
    
    SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x WHERE p=2 AND a=q;
  }
} {222 two 2 222 {} {}}

ifcapable explain&&!cursorhints {
  do_test where3-1.1.1 {
     explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x
                        WHERE p=2 AND a=q}
  } [explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON x=q
                        WHERE p=2 AND a=q}]
}
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    SELECT parent1.parent1key, child1.value, child2.value
    FROM parent1
    LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
    INNER JOIN child2 ON child2.child2key = parent1.child2key;
  }
} {1 {Value for C1.1} {Value for C2.1} 2 {} {Value for C2.2} 3 {Value for C1.3} {Value for C2.3}}

ifcapable explain {
  do_test where3-1.2.1 {
     explain_no_trace {
       SELECT parent1.parent1key, child1.value, child2.value
       FROM parent1
       LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
       INNER JOIN child2 ON child2.child2key = parent1.child2key;
     }








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    SELECT parent1.parent1key, child1.value, child2.value
    FROM parent1
    LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
    INNER JOIN child2 ON child2.child2key = parent1.child2key;
  }
} {1 {Value for C1.1} {Value for C2.1} 2 {} {Value for C2.2} 3 {Value for C1.3} {Value for C2.3}}

ifcapable explain&&!cursorhints {
  do_test where3-1.2.1 {
     explain_no_trace {
       SELECT parent1.parent1key, child1.value, child2.value
       FROM parent1
       LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
       INNER JOIN child2 ON child2.child2key = parent1.child2key;
     }
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