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Parents and children of check-in [7455d932f5]

2016-06-20
17:25
For a table on the rhs of a LEFT JOIN operator, do not include terms like "IS NULL" from the WHERE clause in the cursor-hint. These may be false for rows that the cursor would otherwise visit, but true for a row of all NULL values generated by the LEFT JOIN. check-in: 913e595615 user: dan tags: trunk
17:22
Allow LIKE operators that appear in a WHERE clause to be included in the cursor-hint for a cursor on the rhs of a LEFT JOIN. Closed-Leaf check-in: 7455d932f5 user: dan tags: cursor-hints
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