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Overview
| Comment: | Detect and report a subtle case of database file corruption. (CVS 2313) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9fc0a5cbf892a22eaa950f3b2ed572ab |
| User & Date: | drh 2005-02-04 21:13:01 |
Context
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2005-02-05
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| 06:49 | Detect database corruption in rootpage flags (see also (2313)). (CVS 2314) check-in: 6d91a1e9 user: danielk1977 tags: trunk | |
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2005-02-04
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| 21:13 | Detect and report a subtle case of database file corruption. (CVS 2313) check-in: 9fc0a5cb user: drh tags: trunk | |
| 04:07 | Remove code for SQL cursors. (CVS 2312) check-in: 2eb90870 user: danielk1977 tags: trunk | |
Changes
Changes to src/vdbe.c.
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** ** Various scripts scan this source file in order to generate HTML ** documentation, headers files, or other derived files. The formatting ** of the code in this file is, therefore, important. See other comments ** in this file for details. If in doubt, do not deviate from existing ** commenting and indentation practices when changing or adding code. ** ** $Id: vdbe.c,v 1.450 2005/02/04 04:07:18 danielk1977 Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> #include "vdbeInt.h" /* ................................................................................ ** first few attempts at chosing a random rowid pick values just a little ** larger than the previous rowid. This has been shown experimentally ** to double the speed of the COPY operation. */ int res, rx=SQLITE_OK, cnt; i64 x; cnt = 0; assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_INTKEY)!=0 ); assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_ZERODATA)==0 ); /* Some compilers complain about constants of the form 0x7fffffffffffffff. ** Others complain about 0x7ffffffffffffffffLL. The following macro seems ** to provide the constant while making all compilers happy. */ |
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** ** Various scripts scan this source file in order to generate HTML ** documentation, headers files, or other derived files. The formatting ** of the code in this file is, therefore, important. See other comments ** in this file for details. If in doubt, do not deviate from existing ** commenting and indentation practices when changing or adding code. ** ** $Id: vdbe.c,v 1.451 2005/02/04 21:13:01 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> #include "vdbeInt.h" /* ................................................................................ ** first few attempts at chosing a random rowid pick values just a little ** larger than the previous rowid. This has been shown experimentally ** to double the speed of the COPY operation. */ int res, rx=SQLITE_OK, cnt; i64 x; cnt = 0; if( (sqlite3BtreeFlags(pC->pCursor)&(BTREE_INTKEY|BTREE_ZERODATA)) != BTREE_INTKEY ){ rc = SQLITE_CORRUPT; goto abort_due_to_error; } assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_INTKEY)!=0 ); assert( (sqlite3BtreeFlags(pC->pCursor) & BTREE_ZERODATA)==0 ); /* Some compilers complain about constants of the form 0x7fffffffffffffff. ** Others complain about 0x7ffffffffffffffffLL. The following macro seems ** to provide the constant while making all compilers happy. */ |