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Overview
| Comment: | Add a comments and an assert() to the virtual table implementation. No functional changes. (CVS 6497) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | ac5d0c0aa1de687bde972fbf0db8f04508825205 |
| User & Date: | drh 2009-04-11 16:27:20 |
Context
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2009-04-11
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| 16:27 | Fix an obscure problem with recovery from I/O errors while rolling back. (CVS 6498) check-in: 24ff4861 user: drh tags: trunk | |
| 16:27 | Add a comments and an assert() to the virtual table implementation. No functional changes. (CVS 6497) check-in: ac5d0c0a user: drh tags: trunk | |
| 16:06 | Fix a case where a corrupt database could cause an assert() to fail. (CVS 6496) check-in: 2c560e05 user: danielk1977 tags: trunk | |
Changes
Changes to src/vtab.c.
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** 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. ** ************************************************************************* ** This file contains code used to help implement virtual tables. ** ** $Id: vtab.c,v 1.84 2009/03/24 15:08:10 drh Exp $ */ #ifndef SQLITE_OMIT_VIRTUALTABLE #include "sqliteInt.h" static int createModule( sqlite3 *db, /* Database in which module is registered */ const char *zName, /* Name assigned to this module */ const sqlite3_module *pModule, /* The definition of the module */ void *pAux, /* Context pointer for xCreate/xConnect */ void (*xDestroy)(void *) /* Module destructor function */ ) { ................................................................................ } /* ** Unlock a virtual table. When the last lock is removed, ** disconnect the virtual table. */ void sqlite3VtabUnlock(sqlite3 *db, sqlite3_vtab *pVtab){ pVtab->nRef--; assert(db); assert( sqlite3SafetyCheckOk(db) ); if( pVtab->nRef==0 ){ if( db->magic==SQLITE_MAGIC_BUSY ){ (void)sqlite3SafetyOff(db); pVtab->pModule->xDisconnect(pVtab); |
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** 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. ** ************************************************************************* ** This file contains code used to help implement virtual tables. ** ** $Id: vtab.c,v 1.85 2009/04/11 16:27:20 drh Exp $ */ #ifndef SQLITE_OMIT_VIRTUALTABLE #include "sqliteInt.h" /* ** The actual function that does the work of creating a new module. ** This function implements the sqlite3_create_module() and ** sqlite3_create_module_v2() interfaces. */ static int createModule( sqlite3 *db, /* Database in which module is registered */ const char *zName, /* Name assigned to this module */ const sqlite3_module *pModule, /* The definition of the module */ void *pAux, /* Context pointer for xCreate/xConnect */ void (*xDestroy)(void *) /* Module destructor function */ ) { ................................................................................ } /* ** Unlock a virtual table. When the last lock is removed, ** disconnect the virtual table. */ void sqlite3VtabUnlock(sqlite3 *db, sqlite3_vtab *pVtab){ assert( pVtab->nRef>0 ); pVtab->nRef--; assert(db); assert( sqlite3SafetyCheckOk(db) ); if( pVtab->nRef==0 ){ if( db->magic==SQLITE_MAGIC_BUSY ){ (void)sqlite3SafetyOff(db); pVtab->pModule->xDisconnect(pVtab); |