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Commits on Mar 2, 2022

• Fix a harmless compiler warning.

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• The performance optimizations at [bb520293d8c11518] is not quite right,

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Commits on Mar 1, 2022

• The MemPage.aDataEnd field should point to the end of the data buffer for

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• Fix a minor typo in a comment.

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• Fix two assert() statements in btree.c which were not true in the case of

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• Fix slightly-incorrect assert() statements.

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• Increase the max_page_count on ROLLBACK, if necessary, so that it is sufficient

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Commits on Feb 28, 2022

• Fix the Xfer-optimization on the INSERT statement so that it is omitted if

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• Reorganize the bits in Mem.flags. Free up one bit for reuse.

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• Expand the comment on the definition of the Mem object to better explain the

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• Performance optimization in initMemArray() saves about 750K cycles with only

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• The performance increase in the previous check-in of this branch was due to

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• An optimization to initMemArray() saves almost 500K cycles. But it seems a

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• Avoid unnecessary deinitialization of the Mem.flags field.

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Commits on Feb 27, 2022

• Cache values of UnpackedRecord.aMem[0] into new fields of UnpackedRecord.

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• Bypass a single branch in vdbeRecordCompareString() in the common case, for

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Commits on Feb 26, 2022

• Remove an unnecessary local variable for a small performance increase and size

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• Allow the OP_Column opcode to read rows that are larger than

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Commits on Feb 25, 2022

• Revise the initialization processing for OP_Column to make it about

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• Fix the OP_NullRow documentation so that it accurately describes what it

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• Improved comment on the codeDeferredSeek() routine. No code changes.

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• Fix unimportant typos in comment text.

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• Invoking SQLITE_TESTCTRL_INTERNAL_FUNCTIONS causes the flags field of the

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• Remove unused P4 types on the Opcode object. Saves a few bytes of code

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Commits on Feb 24, 2022

• Change the OP_Next and OP_Prev opcodes so that they invoke

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• Spell fix, no code change

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• Fix an assert() so that it is still valid following OOM with the latest

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• Update the version number of version 3.39.0 for the next development cycle.

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Commits on Feb 23, 2022

• Add a new subclass for MemPage.xCellSize specifically for the case of a leaf

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• Optimize calls to get2byte() in btree.c for almost a one-million cycle

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• Defer the check for error check Pgno zero until after the page fetch misses,

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• Store the page number for the PENDING_BYTE page in the Pager object, rather

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Commits on Feb 22, 2022

• For the "PRAGMA database_list" statement, do not check to see if the schema

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• Version 3.38.0

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• Fix an undersized memory allocation in the test harness for RTREE. This

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