mirror of https://github.com/sqlite/sqlite
The zeroPage() routine in btree.c need not actually zero the whole page,
just the header. (CVS 5434) FossilOrigin-Name: c69633ec6977becfbd0a72854473b7f4515fb931
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C Omit\sthe\scheck\sfor\scell-pointer\sconsistency\sin\ssqlite3BtreeInitPage()\nfor\sa\s2.5%\sperformance\sgain.\s(CVS\s5433)
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D 2008-07-18T02:44:18
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C The\szeroPage()\sroutine\sin\sbtree.c\sneed\snot\sactually\szero\sthe\swhole\spage,\njust\sthe\sheader.\s(CVS\s5434)
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D 2008-07-18T03:32:51
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F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
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F Makefile.in a03f7cb4f7ad50bc53a788c6c544430e81f95de4
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F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
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@ -96,7 +96,7 @@ F src/attach.c b18ba42c77f7d3941f5d23d2ca20fa1d841a4e91
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F src/auth.c c8b2ab5c8bad4bd90ed7c294694f48269162c627
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F src/bitvec.c 95c86bd18d8fedf0533f5af196192546e10a7e7d
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F src/btmutex.c 709cad2cdca0afd013f0f612363810e53f59ec53
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F src/btree.c 134d2f76fb9144e81b6ca9e426922ac3626d1d77
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F src/btree.c af2bc332a50f5f364ba2cb00c728203f9a1d004b
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F src/btree.h 03256ed7ee42b5ecacbe887070b0f8249e7d069d
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F src/btreeInt.h e5b952467935fc29033da138c3d74673329d9770
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F src/build.c bac7233d984be3805aaa41cf500f7ee12dc97249
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@ -608,7 +608,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
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F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
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F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
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F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
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P 77e099ad7de84fe07dfeb4c045c769653dd13b93
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R c5135664a56b05b1461fc48c1c5e4a98
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P b88087e69dffb743c5b552703e14a030349cf65b
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R 8ec5677e1d6c505d04c04511bc1d36d4
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U drh
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Z 1e2af38c22a126d0243f54deb66a7f3a
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Z ffdd94b1831b0e21450d948b159dda62
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@ -1 +1 @@
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b88087e69dffb743c5b552703e14a030349cf65b
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c69633ec6977becfbd0a72854473b7f4515fb931
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@ -9,7 +9,7 @@
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** $Id: btree.c,v 1.486 2008/07/18 02:44:18 drh Exp $
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** $Id: btree.c,v 1.487 2008/07/18 03:32:51 drh Exp $
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**
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** This file implements a external (disk-based) database using BTrees.
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** See the header comment on "btreeInt.h" for additional information.
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@ -1029,7 +1029,7 @@ static void zeroPage(MemPage *pPage, int flags){
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assert( sqlite3PagerGetData(pPage->pDbPage) == data );
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assert( sqlite3PagerIswriteable(pPage->pDbPage) );
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assert( sqlite3_mutex_held(pBt->mutex) );
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memset(&data[hdr], 0, pBt->usableSize - hdr);
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/*memset(&data[hdr], 0, pBt->usableSize - hdr);*/
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data[hdr] = flags;
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first = hdr + 8 + 4*((flags&PTF_LEAF)==0);
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memset(&data[hdr+1], 0, 4);
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