/ Changes On Branch ticket-71e333e7

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Changes In Branch ticket-71e333e7 Excluding Merge-Ins

This is equivalent to a diff from d507648d82 to cdbfa66483

Refactor collating-sequence handling as a fix for ticket [71e333e7d2e642]. The Expr.pColl field is removed from the Expr object. The COLLATE operator now becomes a separate instance of Expr in the expression tree. The code generator looks up the correct collating function as needed, rather than referring to Expr.pColl. (check-in: 8542e6180d user: drh tags: trunk)
Adjustments to the collating-sequence refactoring to facilitate full-coverage testing and to fix some minor issues found by TH3. (Closed-Leaf check-in: cdbfa66483 user: drh tags: ticket-71e333e7)
Make sure WHERE clause constraints A=B and B=A work the same even with COLLATE clauses. (check-in: b3f5366811 user: drh tags: ticket-71e333e7)
Add the SQLITE_FCNTL_TEMPFILENAME file control that asks the underlying VFS to return a new temporary filename. Per request from NSS team at Mozilla. (check-in: 1a63b1d5fa user: drh tags: trunk)
Add a test case that demonstrates ticket [71e333e7d2e642]. (check-in: cc6e0785df user: drh tags: ticket-71e333e7)
For the sqlite3-all.c target, use backslashes when calling the splitter script via the MSVC makefile. (check-in: d507648d82 user: mistachkin tags: trunk)
Bring the ancient malloc3.test file closer into relevance with the latest core code. (check-in: 9793a21c13 user: mistachkin tags: trunk)

Changes to src/build.c.

Changes to src/expr.c.

Changes to src/fkey.c.

Changes to src/insert.c.

Changes to src/parse.y.

Changes to src/resolve.c.

Changes to src/select.c.

Changes to src/sqliteInt.h.

Changes to src/vdbe.c.

Changes to src/vdbeaux.c.

Changes to src/where.c.

Changes to test/collate1.test.

Changes to test/distinct.test.

Changes to test/interrupt.test.

Changes to test/shared9.test.

Changes to test/tkt2822.test.