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13 check-ins using file src/vdbe.c version cce462ad

2017-06-02
13:16
Fix a typo in the header comment of the "series.c" virtual table extension. (check-in: d637feb4 user: drh tags: trunk)
2017-06-01
01:53
Add a comment to the Lemon documentation regarding the security of the lemon.exe command-line tool. (check-in: 4c2458c1 user: drh tags: trunk)
00:54
Add interfaces sqlite3_prepare_v3() and sqlite3_prepare16_v3() with the extra prepFlags argument. Add the SQLITE_PREPARE_PERSISTENT option as one bit in that argument. (check-in: 4a25c588 user: drh tags: prepare_v3)
2017-05-31
17:30
Add the SQLITE_STMTSTATUS_MEMUSED opcode to sqlite3_stmt_status() for finding the heap memory usage by a single prepared statement. (check-in: c26cf978 user: drh tags: trunk)
16:21
Add the SQLITE_STMTSTATUS_MEMUSED option for sqlite3_stmt_status() that reports the amount of heap memory used for a single prepared statement. (Closed-Leaf check-in: b57d5104 user: drh tags: stmtstatus-memused)
16:09
Add the experimental "stmts" virtual table for introspection of prepared statements. (check-in: cb4c5c66 user: drh tags: trunk)
13:45
Avoid allocating excess memory to the KeyInfo objects. (check-in: df785943 user: drh tags: trunk)
13:27
Remove a completely unnecessary memset() from the INSERT code generator. (check-in: 7d58836b user: drh tags: trunk)
11:24
Very small performance increase in sqlite3VdbeSetNumCols(). (check-in: 8885b446 user: drh tags: trunk)
03:20
Reorder fields in the PgHdr object for a performance increase. (check-in: 326e63d7 user: drh tags: trunk)
02:58
Avoid unnecessary memory zeroing during expression list allocation. (check-in: de28e651 user: drh tags: trunk)
00:49
Size and performance optimizations to sqlite3ResolveExprNames(). (check-in: af8c0fed user: drh tags: trunk)
2017-05-30
18:34
Change sqlite3BtreeNext() and sqlite3BtreePrevious() so that they return SQLITE_DONE if they have already reached the end (or beginning) of the table. This gives a performance increase and size reduction. (check-in: e972a386 user: drh tags: trunk)