mirror of https://github.com/sqlite/sqlite
Three times faster sqlite3SrcListAppend() in the common case by avoiding the
call to sqlite3SrcListEnlarge() for the first allocation. FossilOrigin-Name: 0ea2762f1d8f6a93ae2ee3b7b835927a474c6f66
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C Fix\sthe\soptimization\sthat\sprevents\swriting\sfreelist\spages\sto\sthe\sjournal.
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D 2016-12-14T10:30:12.405
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C Three\stimes\sfaster\ssqlite3SrcListAppend()\sin\sthe\scommon\scase\sby\savoiding\sthe\ncall\sto\ssqlite3SrcListEnlarge()\sfor\sthe\sfirst\sallocation.
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D 2016-12-14T11:14:13.907
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F Makefile.in 7639c6a09da11a9c7c6f2630fc981ee588d1072d
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F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
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F Makefile.msc b8ca53350ae545e3562403d5da2a69cec79308da
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@ -334,7 +334,7 @@ F src/btmutex.c bc87dd3b062cc26edfe79918de2200ccb8d41e73
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F src/btree.c b2055dff0b94e03eaad48a760984a2d8e39244e6
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F src/btree.h 2349a588abcd7e0c04f984e15c5c777b61637583
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F src/btreeInt.h 10c4b77c2fb399580babbcc7cf652ac10dba796e
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F src/build.c 178f16698cbcb43402c343a9413fe22c99ffee21
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F src/build.c 66bab5ee3998b1ebbea66ce0de60a82dcf497747
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F src/callback.c 2e76147783386374bf01b227f752c81ec872d730
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F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
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F src/ctime.c 9f2296a4e5d26ebf0e0d95a0af4628f1ea694e7a
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@ -1536,7 +1536,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P c7021960f5c070fb5c9db9e41b4000d3dc065f42
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R 29a5ab173feb9dcb847f7e97678fc3f9
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P 6aa9b26544cbd0b41115c5f127dcf9a286d17e2b
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U drh
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Z a1e79a7a1334afe1605804fa02a1d4f0
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Z b26cd3596202cf83d05f18857a98dc5b
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@ -1 +1 @@
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6aa9b26544cbd0b41115c5f127dcf9a286d17e2b
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0ea2762f1d8f6a93ae2ee3b7b835927a474c6f66
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@ -3736,9 +3736,12 @@ SrcList *sqlite3SrcListAppend(
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pList = sqlite3DbMallocRawNN(db, sizeof(SrcList) );
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if( pList==0 ) return 0;
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pList->nAlloc = 1;
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pList->nSrc = 0;
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pList->nSrc = 1;
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memset(&pList->a[0], 0, sizeof(pList->a[0]));
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pList->a[0].iCursor = -1;
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}else{
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pList = sqlite3SrcListEnlarge(db, pList, 1, pList->nSrc);
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}
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pList = sqlite3SrcListEnlarge(db, pList, 1, pList->nSrc);
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if( db->mallocFailed ){
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sqlite3SrcListDelete(db, pList);
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return 0;
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