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Overview
Comment:A new implementation for the sqlite3ExprImpliesExpr() theorem prover that does a better job of answering TRUE to "(NOT A) OR B" when B is a NOT NULL expression.
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SHA3-256: b3413197f57711f04102d8cc6ff1e8ddbe0f5f2bcb6e1989cf314fa97f0ff7f1
User & Date: drh 2019-05-11 19:36:03.376
Context
2019-05-13
11:52
Fix an assert() failure in fts5 that could occur when processing a corrupt database. (check-in: f158c048be user: dan tags: trunk)
2019-05-11
19:36
A new implementation for the sqlite3ExprImpliesExpr() theorem prover that does a better job of answering TRUE to "(NOT A) OR B" when B is a NOT NULL expression. (check-in: b3413197f5 user: drh tags: trunk)
16:14
When considering partial indexes, do not assume that a "CASE x ..." expression implies "x IS NOT NULL". (check-in: 1b24303220 user: dan tags: trunk)
Changes
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Changes to src/expr.c.