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Overview
| Comment: | Reduce the minimum usable page space to 480 byte from 500 bytes. (CVS 6780) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
db4fb835363c9c7e38c891e01188a6e2 |
| User & Date: | drh 2009-06-18 11:29:21 |
Context
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2009-06-18
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| 11:34 | Update the filefmt.test test script to conform to the previous check-in. (CVS 6781) check-in: 40a40e81 user: drh tags: trunk | |
| 11:29 | Reduce the minimum usable page space to 480 byte from 500 bytes. (CVS 6780) check-in: db4fb835 user: drh tags: trunk | |
| 00:41 | Remove the P3 operand from OP_IsNull since it was not being used. (CVS 6779) check-in: 767ef1e4 user: drh tags: trunk | |
Changes
Changes to src/btree.c.
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.634 2009/06/17 13:57:16 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ pBt->usableSize = (u16)usableSize; pBt->pageSize = (u16)pageSize; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize); if( rc ) goto page1_init_failed; return SQLITE_OK; } if( usableSize<500 ){ goto page1_init_failed; } pBt->pageSize = (u16)pageSize; pBt->usableSize = (u16)usableSize; #ifndef SQLITE_OMIT_AUTOVACUUM pBt->autoVacuum = (get4byte(&page1[36 + 4*4])?1:0); pBt->incrVacuum = (get4byte(&page1[36 + 7*4])?1:0); |
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.635 2009/06/18 11:29:21 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** See the header comment on "btreeInt.h" for additional information. ** Including a description of file format and an overview of operation. */ #include "btreeInt.h" ................................................................................ pBt->usableSize = (u16)usableSize; pBt->pageSize = (u16)pageSize; freeTempSpace(pBt); rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize); if( rc ) goto page1_init_failed; return SQLITE_OK; } if( usableSize<480 ){ goto page1_init_failed; } pBt->pageSize = (u16)pageSize; pBt->usableSize = (u16)usableSize; #ifndef SQLITE_OMIT_AUTOVACUUM pBt->autoVacuum = (get4byte(&page1[36 + 4*4])?1:0); pBt->incrVacuum = (get4byte(&page1[36 + 7*4])?1:0); |