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10 check-ins using file src/sqliteInt.h version 488f9b86

2019-01-08
20:02
Use 64-bit math to compute the sizes of memory allocations in extensions. (check-in: ca67f2ec user: drh tags: trunk)
15:18
Performance improvement on the instr() function, especially for large haystacks. (check-in: ce51f1a2 user: drh tags: trunk)
14:28
Fix a possible memory leak when trying to UPDATE a corrupt RTREE index. (check-in: 63eb803d user: drh tags: trunk)
08:02
Fix further problems with fts5 and corrupt databases causing integer overflow. (check-in: 673a7dd6 user: dan tags: trunk)
2019-01-07
16:52
Fix another potential buffer overread in fts5. (check-in: d0e943d9 user: dan tags: trunk)
15:57
For SQLITE_ENABLE_PREUPDATE_HOOK builds, disable the optimization for a REPLACE command on a WITHOUT ROWID table with no indexes, triggers or foreign key constraints that causes SQLite to clobber any existing row without separately checking for it. This optimization causes SQLite to omit the expected pre-update-hook callbacks. (check-in: 6281ef97 user: dan tags: trunk)
2019-01-06
02:06
The page size becomes fixed as soon as page1 from a non-empty database file is read. (check-in: 6064584d user: drh tags: trunk)
01:46
Give symbolic names to the special prepared statements used to implement incremental blob I/O. (Leaf check-in: 2a1cc632 user: drh tags: named-blob-I/O)
2019-01-05
21:56
Add the exprNodeCopy() routine that will safely memcpy() an Expr node that might be a size-reduced node. (check-in: a874c649 user: drh tags: trunk)
21:09
If the OP_ParseSchema opcode with a non-NULL P4 operand does not parse any rows out of the sqlite_master table, that indicates that the sqlite_master table is corrupt, so raise an SQLITE_CORRUPT error. (check-in: 598d7358 user: drh tags: trunk)