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Overview
| Comment: | Avoid calling fillInCell() to create an internal node intkey cell from balance_nonroot(). A single putVarint() does the same thing more quickly. (CVS 6734) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
2e5d42aeb40c3c6eea373a9ae3fbdf4e |
| User & Date: | danielk1977 2009-06-09 11:34:11 |
Context
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2009-06-09
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| 13:42 | Enable cell overflow checking in sqlite3BtreeInitPage() using the compile-time option SQLITE_ENABLE_OVERSIZE_CELL_CHECK. Change the tests so that they recognize different error messages depending on the setting of this macro. (CVS 6735) (check-in: 56bff6eb user: drh tags: trunk) | |
| 11:34 | Avoid calling fillInCell() to create an internal node intkey cell from balance_nonroot(). A single putVarint() does the same thing more quickly. (CVS 6734) (check-in: 2e5d42ae user: danielk1977 tags: trunk) | |
| 10:37 | Only do the cell overread checks in sqlite3BtreeInitPage if SQLITE_OVERREAD_CHECK is defined at compile-time. (CVS 6733) (check-in: 49f544eb 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 1.622 2009/06/09 10:37:04 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" ................................................................................ ** cell consists of the integer key for the right-most cell of ** the sibling-page assembled above only. */ CellInfo info; j--; sqlite3BtreeParseCellPtr(pNew, apCell[j], &info); pCell = pTemp; rc = fillInCell(pParent, pCell, 0, info.nKey, 0, 0, 0, &sz); if( rc!=SQLITE_OK ){ goto balance_cleanup; } pTemp = 0; }else{ pCell -= 4; /* Obscure case for non-leaf-data trees: If the cell at pCell was ** previously stored on a leaf node, and its reported size was 4 ** bytes, then it may actually be smaller than this ** (see sqlite3BtreeParseCellPtr(), 4 bytes is the minimum size of |
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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 1.623 2009/06/09 11:34:11 danielk1977 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" ................................................................................ ** cell consists of the integer key for the right-most cell of ** the sibling-page assembled above only. */ CellInfo info; j--; sqlite3BtreeParseCellPtr(pNew, apCell[j], &info); pCell = pTemp; sz = 4 + putVarint(&pCell[4], info.nKey); pTemp = 0; }else{ pCell -= 4; /* Obscure case for non-leaf-data trees: If the cell at pCell was ** previously stored on a leaf node, and its reported size was 4 ** bytes, then it may actually be smaller than this ** (see sqlite3BtreeParseCellPtr(), 4 bytes is the minimum size of |