/ Changes On Branch tkt-2f7170d7

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Changes In Branch tkt-2f7170d7 Excluding Merge-Ins

This is equivalent to a diff from 4ef7ceced2 to dd8f7f7511

Propagate COLLATE operators upward through function calls and CASE operations. And do not flatten an aggregate subquery into a query that uses other subqueries. Fixes for tickets [ca0d20b6cdddec5] and [2f7170d73bf9], respectively. (check-in: 24e78b8d65 user: drh tags: trunk)
Fix WITHOUT ROWID table handing in sqlite3_analyzer. (check-in: 937e0fe700 user: dan tags: trunk)
Add test cases for the query flattener fix for ticket [2f7170d73bf9abf8]. (Closed-Leaf check-in: dd8f7f7511 user: drh tags: tkt-2f7170d7)
Propagate the COLLATE operator upward through function calls. Initial fix for ticket [ca0d20b6cdddec5e8]. (check-in: c053448a55 user: drh tags: tkt-2f7170d7)
Disable the query flattener for aggregate subqueries if the parent query uses other subqueries in its result set or WHERE clause or ORDER BY clause. Preliminary fix for ticket [2f7170d73bf9abf8]. However it still contains a defect similar to the COLLATE problem of [ca0d20b6cddd]. (check-in: 0b7d65e3fd user: drh tags: tkt-2f7170d7)
Rename the internal "EP_Constant" bitmask to a less misleading "EP_ConstFunc". (check-in: 4ef7ceced2 user: drh tags: trunk)
In selecttrace 0x100 mode, show the parse tree after name resolution instead of before flattening, so that it is always seen even if flattening does not occur. Also: add the hex pointer value to the top of each SELECT tree. (check-in: aa093fef2d user: drh tags: trunk)

Changes to src/delete.c.

Changes to src/expr.c.

Changes to src/parse.y.

Changes to src/select.c.

Changes to src/sqliteInt.h.

Changes to test/collate8.test.

Changes to test/select6.test.