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Overview
| Comment: | Move the implementation of sqlite3_enable_shared_cache from btree.c to main.c. (CVS 2902) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4f2ec95283f1ae0a28b2f9ce0afc5a7203de87fb |
| User & Date: | drh 2006-01-10 13:58:48 |
Context
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2006-01-10
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| 15:18 | Updates to the C-API documentation. Change the parameter type of sqlite3_soft_heap_limit to integer. (CVS 2903) check-in: bdd35e9f user: drh tags: trunk | |
| 13:58 | Move the implementation of sqlite3_enable_shared_cache from btree.c to main.c. (CVS 2902) check-in: 4f2ec952 user: drh tags: trunk | |
| 12:31 | Fix a problem with shared-schemas and temp triggers. (CVS 2901) check-in: 9c18a1ce user: danielk1977 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 1.288 2006/01/09 09:59:49 danielk1977 Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ rc = queryTableLock(p, iTab, lockType); if( rc==SQLITE_OK ){ rc = lockTable(p, iTab, lockType); } #endif return rc; } #ifndef SQLITE_OMIT_SHARED_CACHE /* ** Enable the shared pager and schema features. */ int sqlite3_enable_shared_cache(int enable){ ThreadData *pTd = sqlite3ThreadData(); /* It is only legal to call sqlite3_enable_shared_cache() when there ** are no currently open b-trees that were opened by the calling thread. ** This condition is only easy to detect if the shared-cache were ** previously enabled (and is being disabled). */ if( pTd->pBtree && !enable ){ assert( pTd->useSharedData ); return SQLITE_MISUSE; } pTd->useSharedData = enable; return SQLITE_OK; } #endif |
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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 1.289 2006/01/10 13:58:48 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ rc = queryTableLock(p, iTab, lockType); if( rc==SQLITE_OK ){ rc = lockTable(p, iTab, lockType); } #endif return rc; } |
Changes to src/main.c.
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** ************************************************************************* ** Main file for the SQLite library. The routines in this file ** implement the programmer interface to the library. Routines in ** other files are for internal use by SQLite and should not be ** accessed by users of the library. ** ** $Id: main.c,v 1.321 2006/01/10 07:14:24 danielk1977 Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* ** The following constant value is used by the SQLITE_BIGENDIAN and ................................................................................ ** debugging builds. This provides a way to set a breakpoint for when ** corruption is first detected. */ int sqlite3Corrupt(void){ return SQLITE_CORRUPT; } #endif |
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** ************************************************************************* ** Main file for the SQLite library. The routines in this file ** implement the programmer interface to the library. Routines in ** other files are for internal use by SQLite and should not be ** accessed by users of the library. ** ** $Id: main.c,v 1.322 2006/01/10 13:58:48 drh Exp $ */ #include "sqliteInt.h" #include "os.h" #include <ctype.h> /* ** The following constant value is used by the SQLITE_BIGENDIAN and ................................................................................ ** debugging builds. This provides a way to set a breakpoint for when ** corruption is first detected. */ int sqlite3Corrupt(void){ return SQLITE_CORRUPT; } #endif #ifndef SQLITE_OMIT_SHARED_CACHE /* ** Enable or disable the shared pager and schema features for the ** current thread. ** ** This routine should only be called when there are no open ** database connections. */ int sqlite3_enable_shared_cache(int enable){ ThreadData *pTd = sqlite3ThreadData(); /* It is only legal to call sqlite3_enable_shared_cache() when there ** are no currently open b-trees that were opened by the calling thread. ** This condition is only easy to detect if the shared-cache were ** previously enabled (and is being disabled). */ if( pTd->pBtree && !enable ){ assert( pTd->useSharedData ); return SQLITE_MISUSE; } pTd->useSharedData = enable; return SQLITE_OK; } #endif |