diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/btree.c | 24 | ||||
| -rw-r--r-- | src/btree.h | 2 | ||||
| -rw-r--r-- | src/build.c | 13 | ||||
| -rw-r--r-- | src/main.c | 12 | ||||
| -rw-r--r-- | src/mem3.c | 148 | ||||
| -rw-r--r-- | src/memdb.c | 2 | ||||
| -rw-r--r-- | src/os_unix.c | 12 | ||||
| -rw-r--r-- | src/os_win.c | 12 | ||||
| -rw-r--r-- | src/pager.c | 332 | ||||
| -rw-r--r-- | src/pager.h | 8 | ||||
| -rw-r--r-- | src/parse.y | 2 | ||||
| -rw-r--r-- | src/prepare.c | 6 | ||||
| -rw-r--r-- | src/select.c | 2 | ||||
| -rw-r--r-- | src/shell.c.in | 78 | ||||
| -rw-r--r-- | src/test4.c | 4 | ||||
| -rw-r--r-- | src/test_sqllog.c | 16 | ||||
| -rw-r--r-- | src/vdbe.c | 6 | ||||
| -rw-r--r-- | src/vdbeaux.c | 18 | ||||
| -rw-r--r-- | src/window.c | 2 |
19 files changed, 348 insertions, 351 deletions
diff --git a/src/btree.c b/src/btree.c index 7b19f0933..56e99dcb6 100644 --- a/src/btree.c +++ b/src/btree.c @@ -993,7 +993,7 @@ static void ptrmapPut(BtShared *pBt, Pgno key, u8 eType, Pgno parent, int *pRC){ if( *pRC ) return; assert( sqlite3_mutex_held(pBt->mutex) ); - /* The master-journal page number must never be used as a pointer map page */ + /* The super-journal page number must never be used as a pointer map page */ assert( 0==PTRMAP_ISPAGE(pBt, PENDING_BYTE_PAGE(pBt)) ); assert( pBt->autoVacuum ); @@ -2630,13 +2630,13 @@ btree_open_out: */ static int removeFromSharingList(BtShared *pBt){ #ifndef SQLITE_OMIT_SHARED_CACHE - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) BtShared *pList; int removed = 0; assert( sqlite3_mutex_notheld(pBt->mutex) ); - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) - sqlite3_mutex_enter(pMaster); + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) + sqlite3_mutex_enter(pMainMtx); pBt->nRef--; if( pBt->nRef<=0 ){ if( GLOBAL(BtShared*,sqlite3SharedCacheList)==pBt ){ @@ -2655,7 +2655,7 @@ static int removeFromSharingList(BtShared *pBt){ } removed = 1; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); return removed; #else return 1; @@ -3983,18 +3983,18 @@ static int autoVacuumCommit(BtShared *pBt){ ** ** This call is a no-op if no write-transaction is currently active on pBt. ** -** Otherwise, sync the database file for the btree pBt. zMaster points to -** the name of a master journal file that should be written into the -** individual journal file, or is NULL, indicating no master journal file +** Otherwise, sync the database file for the btree pBt. zSuperJrnl points to +** the name of a super-journal file that should be written into the +** individual journal file, or is NULL, indicating no super-journal file ** (single database transaction). ** -** When this is called, the master journal should already have been +** When this is called, the super-journal should already have been ** created, populated with this journal pointer and synced to disk. ** ** Once this is routine has returned, the only thing required to commit ** the write-transaction for this database file is to delete the journal. */ -int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zMaster){ +int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zSuperJrnl){ int rc = SQLITE_OK; if( p->inTrans==TRANS_WRITE ){ BtShared *pBt = p->pBt; @@ -4011,7 +4011,7 @@ int sqlite3BtreeCommitPhaseOne(Btree *p, const char *zMaster){ sqlite3PagerTruncateImage(pBt->pPager, pBt->nPage); } #endif - rc = sqlite3PagerCommitPhaseOne(pBt->pPager, zMaster, 0); + rc = sqlite3PagerCommitPhaseOne(pBt->pPager, zSuperJrnl, 0); sqlite3BtreeLeave(p); } return rc; @@ -4074,7 +4074,7 @@ static void btreeEndTransaction(Btree *p){ ** the upper layer will attempt a rollback. However, if the second argument ** is non-zero then this b-tree transaction is part of a multi-file ** transaction. In this case, the transaction has already been committed -** (by deleting a master journal file) and the caller will ignore this +** (by deleting a super-journal file) and the caller will ignore this ** functions return code. So, even if an error occurs in the pager layer, ** reset the b-tree objects internal state to indicate that the write ** transaction has been closed. This is quite safe, as the pager will have diff --git a/src/btree.h b/src/btree.h index c152b63cb..53f915879 100644 --- a/src/btree.h +++ b/src/btree.h @@ -79,7 +79,7 @@ int sqlite3BtreeGetReserveNoMutex(Btree *p); int sqlite3BtreeSetAutoVacuum(Btree *, int); int sqlite3BtreeGetAutoVacuum(Btree *); int sqlite3BtreeBeginTrans(Btree*,int,int*); -int sqlite3BtreeCommitPhaseOne(Btree*, const char *zMaster); +int sqlite3BtreeCommitPhaseOne(Btree*, const char*); int sqlite3BtreeCommitPhaseTwo(Btree*, int); int sqlite3BtreeCommit(Btree*); int sqlite3BtreeRollback(Btree*,int,int); diff --git a/src/build.c b/src/build.c index d7ac55745..e3f866844 100644 --- a/src/build.c +++ b/src/build.c @@ -2256,7 +2256,7 @@ static void markExprListImmutable(ExprList *pList){ ** is added to the internal hash tables, assuming no errors have ** occurred. ** -** An entry for the table is made in the master table on disk, unless +** An entry for the table is made in the schema table on disk, unless ** this is a temporary table or db->init.busy==1. When db->init.busy==1 ** it means we are reading the sqlite_schema table because we just ** connected to the database or because the sqlite_schema table has @@ -2985,7 +2985,7 @@ void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, int isView){ #endif /* Drop all entries in the schema table that refer to the - ** table. The program name loops through the master table and deletes + ** table. The program name loops through the schema table and deletes ** every row that refers to a table of the same name as the one being ** dropped. Triggers are handled separately because a trigger can be ** created in the temp database that refers to a table in another @@ -3130,7 +3130,7 @@ void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, int noErr){ } #endif - /* Generate code to remove the table from the master table + /* Generate code to remove the table from the schema table ** on disk. */ v = sqlite3GetVdbe(pParse); @@ -3584,10 +3584,7 @@ void sqlite3CreateIndex( #if SQLITE_USER_AUTHENTICATION && sqlite3UserAuthTable(pTab->zName)==0 #endif -#ifdef SQLITE_ALLOW_SQLITE_MASTER_INDEX - && sqlite3StrICmp(&pTab->zName[7],"master")!=0 -#endif - ){ + ){ sqlite3ErrorMsg(pParse, "table %s may not be indexed", pTab->zName); goto exit_create_index; } @@ -4167,7 +4164,7 @@ void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists){ } #endif - /* Generate code to remove the index and from the master table */ + /* Generate code to remove the index and from the schema table */ v = sqlite3GetVdbe(pParse); if( v ){ sqlite3BeginWriteOperation(pParse, 1, iDb); diff --git a/src/main.c b/src/main.c index d50398158..e0ceb1cb3 100644 --- a/src/main.c +++ b/src/main.c @@ -201,7 +201,7 @@ char *sqlite3_data_directory = 0; ** without blocking. */ int sqlite3_initialize(void){ - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) /* The main static mutex */ int rc; /* Result code */ #ifdef SQLITE_EXTRA_INIT int bRunExtraInit = 0; /* Extra initialization needed */ @@ -246,8 +246,8 @@ int sqlite3_initialize(void){ ** malloc subsystem - this implies that the allocation of a static ** mutex must not require support from the malloc subsystem. */ - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) - sqlite3_mutex_enter(pMaster); + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) + sqlite3_mutex_enter(pMainMtx); sqlite3GlobalConfig.isMutexInit = 1; if( !sqlite3GlobalConfig.isMallocInit ){ rc = sqlite3MallocInit(); @@ -265,7 +265,7 @@ int sqlite3_initialize(void){ if( rc==SQLITE_OK ){ sqlite3GlobalConfig.nRefInitMutex++; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); /* If rc is not SQLITE_OK at this point, then either the malloc ** subsystem could not be initialized or the system failed to allocate @@ -326,14 +326,14 @@ int sqlite3_initialize(void){ /* Go back under the static mutex and clean up the recursive ** mutex to prevent a resource leak. */ - sqlite3_mutex_enter(pMaster); + sqlite3_mutex_enter(pMainMtx); sqlite3GlobalConfig.nRefInitMutex--; if( sqlite3GlobalConfig.nRefInitMutex<=0 ){ assert( sqlite3GlobalConfig.nRefInitMutex==0 ); sqlite3_mutex_free(sqlite3GlobalConfig.pInitMutex); sqlite3GlobalConfig.pInitMutex = 0; } - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); /* The following is just a sanity check to make sure SQLite has ** been compiled correctly. It is important to run this code, but diff --git a/src/mem3.c b/src/mem3.c index 2de028daa..16463d6a5 100644 --- a/src/mem3.c +++ b/src/mem3.c @@ -118,16 +118,16 @@ static SQLITE_WSD struct Mem3Global { /* ** The minimum amount of free space that we have seen. */ - u32 mnMaster; + u32 mnKeyBlk; /* - ** iMaster is the index of the master chunk. Most new allocations - ** occur off of this chunk. szMaster is the size (in Mem3Blocks) - ** of the current master. iMaster is 0 if there is not master chunk. - ** The master chunk is not in either the aiHash[] or aiSmall[]. + ** iKeyBlk is the index of the key chunk. Most new allocations + ** occur off of this chunk. szKeyBlk is the size (in Mem3Blocks) + ** of the current key chunk. iKeyBlk is 0 if there is no key chunk. + ** The key chunk is not in either the aiHash[] or aiSmall[]. */ - u32 iMaster; - u32 szMaster; + u32 iKeyBlk; + u32 szKeyBlk; /* ** Array of lists of free blocks according to the block size @@ -263,34 +263,34 @@ static void *memsys3Checkout(u32 i, u32 nBlock){ } /* -** Carve a piece off of the end of the mem3.iMaster free chunk. -** Return a pointer to the new allocation. Or, if the master chunk +** Carve a piece off of the end of the mem3.iKeyBlk free chunk. +** Return a pointer to the new allocation. Or, if the key chunk ** is not large enough, return 0. */ -static void *memsys3FromMaster(u32 nBlock){ +static void *memsys3FromKeyBlk(u32 nBlock){ assert( sqlite3_mutex_held(mem3.mutex) ); - assert( mem3.szMaster>=nBlock ); - if( nBlock>=mem3.szMaster-1 ){ - /* Use the entire master */ - void *p = memsys3Checkout(mem3.iMaster, mem3.szMaster); - mem3.iMaster = 0; - mem3.szMaster = 0; - mem3.mnMaster = 0; + assert( mem3.szKeyBlk>=nBlock ); + if( nBlock>=mem3.szKeyBlk-1 ){ + /* Use the entire key chunk */ + void *p = memsys3Checkout(mem3.iKeyBlk, mem3.szKeyBlk); + mem3.iKeyBlk = 0; + mem3.szKeyBlk = 0; + mem3.mnKeyBlk = 0; return p; }else{ - /* Split the master block. Return the tail. */ + /* Split the key block. Return the tail. */ u32 newi, x; - newi = mem3.iMaster + mem3.szMaster - nBlock; - assert( newi > mem3.iMaster+1 ); - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = nBlock; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x |= 2; + newi = mem3.iKeyBlk + mem3.szKeyBlk - nBlock; + assert( newi > mem3.iKeyBlk+1 ); + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = nBlock; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x |= 2; mem3.aPool[newi-1].u.hdr.size4x = nBlock*4 + 1; - mem3.szMaster -= nBlock; - mem3.aPool[newi-1].u.hdr.prevSize = mem3.szMaster; - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - if( mem3.szMaster < mem3.mnMaster ){ - mem3.mnMaster = mem3.szMaster; + mem3.szKeyBlk -= nBlock; + mem3.aPool[newi-1].u.hdr.prevSize = mem3.szKeyBlk; + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + if( mem3.szKeyBlk < mem3.mnKeyBlk ){ + mem3.mnKeyBlk = mem3.szKeyBlk; } return (void*)&mem3.aPool[newi]; } @@ -304,13 +304,13 @@ static void *memsys3FromMaster(u32 nBlock){ ** This routine examines all entries on the given list and tries ** to coalesce each entries with adjacent free chunks. ** -** If it sees a chunk that is larger than mem3.iMaster, it replaces -** the current mem3.iMaster with the new larger chunk. In order for -** this mem3.iMaster replacement to work, the master chunk must be +** If it sees a chunk that is larger than mem3.iKeyBlk, it replaces +** the current mem3.iKeyBlk with the new larger chunk. In order for +** this mem3.iKeyBlk replacement to work, the key chunk must be ** linked into the hash tables. That is not the normal state of -** affairs, of course. The calling routine must link the master +** affairs, of course. The calling routine must link the key ** chunk before invoking this routine, then must unlink the (possibly -** changed) master chunk once this routine has finished. +** changed) key chunk once this routine has finished. */ static void memsys3Merge(u32 *pRoot){ u32 iNext, prev, size, i, x; @@ -337,9 +337,9 @@ static void memsys3Merge(u32 *pRoot){ }else{ size /= 4; } - if( size>mem3.szMaster ){ - mem3.iMaster = i; - mem3.szMaster = size; + if( size>mem3.szKeyBlk ){ + mem3.iKeyBlk = i; + mem3.szKeyBlk = size; } } } @@ -388,26 +388,26 @@ static void *memsys3MallocUnsafe(int nByte){ /* STEP 2: ** Try to satisfy the allocation by carving a piece off of the end - ** of the master chunk. This step usually works if step 1 fails. + ** of the key chunk. This step usually works if step 1 fails. */ - if( mem3.szMaster>=nBlock ){ - return memsys3FromMaster(nBlock); + if( mem3.szKeyBlk>=nBlock ){ + return memsys3FromKeyBlk(nBlock); } /* STEP 3: ** Loop through the entire memory pool. Coalesce adjacent free - ** chunks. Recompute the master chunk as the largest free chunk. + ** chunks. Recompute the key chunk as the largest free chunk. ** Then try again to satisfy the allocation by carving a piece off - ** of the end of the master chunk. This step happens very + ** of the end of the key chunk. This step happens very ** rarely (we hope!) */ for(toFree=nBlock*16; toFree<(mem3.nPool*16); toFree *= 2){ memsys3OutOfMemory(toFree); - if( mem3.iMaster ){ - memsys3Link(mem3.iMaster); - mem3.iMaster = 0; - mem3.szMaster = 0; + if( mem3.iKeyBlk ){ + memsys3Link(mem3.iKeyBlk); + mem3.iKeyBlk = 0; + mem3.szKeyBlk = 0; } for(i=0; i<N_HASH; i++){ memsys3Merge(&mem3.aiHash[i]); @@ -415,10 +415,10 @@ static void *memsys3MallocUnsafe(int nByte){ for(i=0; i<MX_SMALL-1; i++){ memsys3Merge(&mem3.aiSmall[i]); } - if( mem3.szMaster ){ - memsys3Unlink(mem3.iMaster); - if( mem3.szMaster>=nBlock ){ - return memsys3FromMaster(nBlock); + if( mem3.szKeyBlk ){ + memsys3Unlink(mem3.iKeyBlk); + if( mem3.szKeyBlk>=nBlock ){ + return memsys3FromKeyBlk(nBlock); } } } @@ -448,23 +448,23 @@ static void memsys3FreeUnsafe(void *pOld){ mem3.aPool[i+size-1].u.hdr.size4x &= ~2; memsys3Link(i); - /* Try to expand the master using the newly freed chunk */ - if( mem3.iMaster ){ - while( (mem3.aPool[mem3.iMaster-1].u.hdr.size4x&2)==0 ){ - size = mem3.aPool[mem3.iMaster-1].u.hdr.prevSize; - mem3.iMaster -= size; - mem3.szMaster += size; - memsys3Unlink(mem3.iMaster); - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = mem3.szMaster; + /* Try to expand the key using the newly freed chunk */ + if( mem3.iKeyBlk ){ + while( (mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x&2)==0 ){ + size = mem3.aPool[mem3.iKeyBlk-1].u.hdr.prevSize; + mem3.iKeyBlk -= size; + mem3.szKeyBlk += size; + memsys3Unlink(mem3.iKeyBlk); + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = mem3.szKeyBlk; } - x = mem3.aPool[mem3.iMaster-1].u.hdr.size4x & 2; - while( (mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x&1)==0 ){ - memsys3Unlink(mem3.iMaster+mem3.szMaster); - mem3.szMaster += mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.size4x/4; - mem3.aPool[mem3.iMaster-1].u.hdr.size4x = mem3.szMaster*4 | x; - mem3.aPool[mem3.iMaster+mem3.szMaster-1].u.hdr.prevSize = mem3.szMaster; + x = mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x & 2; + while( (mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x&1)==0 ){ + memsys3Unlink(mem3.iKeyBlk+mem3.szKeyBlk); + mem3.szKeyBlk += mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.size4x/4; + mem3.aPool[mem3.iKeyBlk-1].u.hdr.size4x = mem3.szKeyBlk*4 | x; + mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = mem3.szKeyBlk; } } } @@ -560,11 +560,11 @@ static int memsys3Init(void *NotUsed){ mem3.aPool = (Mem3Block *)sqlite3GlobalConfig.pHeap; mem3.nPool = (sqlite3GlobalConfig.nHeap / sizeof(Mem3Block)) - 2; - /* Initialize the master block. */ - mem3.szMaster = mem3.nPool; - mem3.mnMaster = mem3.szMaster; - mem3.iMaster = 1; - mem3.aPool[0].u.hdr.size4x = (mem3.szMaster<<2) + 2; + /* Initialize the key block. */ + mem3.szKeyBlk = mem3.nPool; + mem3.mnKeyBlk = mem3.szKeyBlk; + mem3.iKeyBlk = 1; + mem3.aPool[0].u.hdr.size4x = (mem3.szKeyBlk<<2) + 2; mem3.aPool[mem3.nPool].u.hdr.prevSize = mem3.nPool; mem3.aPool[mem3.nPool].u.hdr.size4x = 1; @@ -624,7 +624,7 @@ void sqlite3Memsys3Dump(const char *zFilename){ fprintf(out, "%p %6d bytes checked out\n", &mem3.aPool[i], (size/4)*8-8); }else{ fprintf(out, "%p %6d bytes free%s\n", &mem3.aPool[i], (size/4)*8-8, - i==mem3.iMaster ? " **master**" : ""); + i==mem3.iKeyBlk ? " **key**" : ""); } } for(i=0; i<MX_SMALL-1; i++){ @@ -645,9 +645,9 @@ void sqlite3Memsys3Dump(const char *zFilename){ } fprintf(out, "\n"); } - fprintf(out, "master=%d\n", mem3.iMaster); - fprintf(out, "nowUsed=%d\n", mem3.nPool*8 - mem3.szMaster*8); - fprintf(out, "mxUsed=%d\n", mem3.nPool*8 - mem3.mnMaster*8); + fprintf(out, "key=%d\n", mem3.iKeyBlk); + fprintf(out, "nowUsed=%d\n", mem3.nPool*8 - mem3.szKeyBlk*8); + fprintf(out, "mxUsed=%d\n", mem3.nPool*8 - mem3.mnKeyBlk*8); sqlite3_mutex_leave(mem3.mutex); if( out==stdout ){ fflush(stdout); diff --git a/src/memdb.c b/src/memdb.c index 10da6d801..9edbef157 100644 --- a/src/memdb.c +++ b/src/memdb.c @@ -344,7 +344,7 @@ static int memdbOpen( return SQLITE_OK; } -#if 0 /* Only used to delete rollback journals, master journals, and WAL +#if 0 /* Only used to delete rollback journals, super-journals, and WAL ** files, none of which exist in memdb. So this routine is never used */ /* ** Delete the file located at zPath. If the dirSync argument is true, diff --git a/src/os_unix.c b/src/os_unix.c index ea04c292d..3571f3f2c 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -3340,7 +3340,7 @@ static int unixRead( assert( offset>=0 ); assert( amt>0 ); - /* If this is a database file (not a journal, master-journal or temp + /* If this is a database file (not a journal, super-journal or temp ** file), the bytes in the locking range should never be read or written. */ #if 0 assert( pFile->pPreallocatedUnused==0 @@ -3453,7 +3453,7 @@ static int unixWrite( assert( id ); assert( amt>0 ); - /* If this is a database file (not a journal, master-journal or temp + /* If this is a database file (not a journal, super-journal or temp ** file), the bytes in the locking range should never be read or written. */ #if 0 assert( pFile->pPreallocatedUnused==0 @@ -5773,7 +5773,7 @@ static int proxyTransformUnixFile(unixFile*, const char*); /* ** Search for an unused file descriptor that was opened on the database -** file (not a journal or master-journal file) identified by pathname +** file (not a journal or super-journal file) identified by pathname ** zPath with SQLITE_OPEN_XXX flags matching those passed as the second ** argument to this function. ** @@ -5907,7 +5907,7 @@ static int findCreateFileMode( while( zPath[nDb]!='-' ){ /* In normal operation, the journal file name will always contain ** a '-' character. However in 8+3 filename mode, or if a corrupt - ** rollback journal specifies a master journal with a goofy name, then + ** rollback journal specifies a super-journal with a goofy name, then ** the '-' might be missing. */ if( nDb==0 || zPath[nDb]=='.' ) return SQLITE_OK; nDb--; @@ -5980,7 +5980,7 @@ static int unixOpen( struct statfs fsInfo; #endif - /* If creating a master or main-file journal, this function will open + /* If creating a super- or main-file journal, this function will open ** a file-descriptor on the directory too. The first time unixSync() ** is called the directory file descriptor will be fsync()ed and close()d. */ @@ -6008,7 +6008,7 @@ static int unixOpen( assert(isExclusive==0 || isCreate); assert(isDelete==0 || isCreate); - /* The main DB, main journal, WAL file and master journal are never + /* The main DB, main journal, WAL file and super-journal are never ** automatically deleted. Nor are they ever temporary files. */ assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_DB ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_JOURNAL ); diff --git a/src/os_win.c b/src/os_win.c index 61f53ea38..a03f3bfab 100644 --- a/src/os_win.c +++ b/src/os_win.c @@ -1290,17 +1290,17 @@ int sqlite3_win32_compact_heap(LPUINT pnLargest){ */ int sqlite3_win32_reset_heap(){ int rc; - MUTEX_LOGIC( sqlite3_mutex *pMaster; ) /* The main static mutex */ + MUTEX_LOGIC( sqlite3_mutex *pMainMtx; ) /* The main static mutex */ MUTEX_LOGIC( sqlite3_mutex *pMem; ) /* The memsys static mutex */ - MUTEX_LOGIC( pMaster = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) + MUTEX_LOGIC( pMainMtx = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MAIN); ) MUTEX_LOGIC( pMem = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MEM); ) - sqlite3_mutex_enter(pMaster); + sqlite3_mutex_enter(pMainMtx); sqlite3_mutex_enter(pMem); winMemAssertMagic(); if( winMemGetHeap()!=NULL && winMemGetOwned() && sqlite3_memory_used()==0 ){ /* ** At this point, there should be no outstanding memory allocations on - ** the heap. Also, since both the master and memsys locks are currently + ** the heap. Also, since both the main and memsys locks are currently ** being held by us, no other function (i.e. from another thread) should ** be able to even access the heap. Attempt to destroy and recreate our ** isolated Win32 native heap now. @@ -1323,7 +1323,7 @@ int sqlite3_win32_reset_heap(){ rc = SQLITE_BUSY; } sqlite3_mutex_leave(pMem); - sqlite3_mutex_leave(pMaster); + sqlite3_mutex_leave(pMainMtx); return rc; } #endif /* SQLITE_WIN32_MALLOC */ @@ -5044,7 +5044,7 @@ static int winOpen( assert(isExclusive==0 || isCreate); assert(isDelete==0 || isCreate); - /* The main DB, main journal, WAL file and master journal are never + /* The main DB, main journal, WAL file and super-journal are never ** automatically deleted. Nor are they ever temporary files. */ assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_DB ); assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_JOURNAL ); diff --git a/src/pager.c b/src/pager.c index 72d60217e..729174a2a 100644 --- a/src/pager.c +++ b/src/pager.c @@ -70,8 +70,8 @@ ** (5) All writes to the database file are synced prior to the rollback journal ** being deleted, truncated, or zeroed. ** -** (6) If a master journal file is used, then all writes to the database file -** are synced prior to the master journal being deleted. +** (6) If a super-journal file is used, then all writes to the database file +** are synced prior to the super-journal being deleted. ** ** Definition: Two databases (or the same database at two points it time) ** are said to be "logically equivalent" if they give the same answer to @@ -488,29 +488,29 @@ struct PagerSavepoint { ** need only update the change-counter once, for the first transaction ** committed. ** -** setMaster +** setSuper ** ** When PagerCommitPhaseOne() is called to commit a transaction, it may -** (or may not) specify a master-journal name to be written into the +** (or may not) specify a super-journal name to be written into the ** journal file before it is synced to disk. ** -** Whether or not a journal file contains a master-journal pointer affects +** Whether or not a journal file contains a super-journal pointer affects ** the way in which the journal file is finalized after the transaction is ** committed or rolled back when running in "journal_mode=PERSIST" mode. -** If a journal file does not contain a master-journal pointer, it is +** If a journal file does not contain a super-journal pointer, it is ** finalized by overwriting the first journal header with zeroes. If -** it does contain a master-journal pointer the journal file is finalized +** it does contain a super-journal pointer the journal file is finalized ** by truncating it to zero bytes, just as if the connection were ** running in "journal_mode=truncate" mode. ** -** Journal files that contain master journal pointers cannot be finalized +** Journal files that contain super-journal pointers cannot be finalized ** simply by overwriting the first journal-header with zeroes, as the -** master journal pointer could interfere with hot-journal rollback of any +** super-journal pointer could interfere with hot-journal rollback of any ** subsequently interrupted transaction that reuses the journal file. ** ** The flag is cleared as soon as the journal file is finalized (either ** by PagerCommitPhaseTwo or PagerRollback). If an IO error prevents the -** journal file from being successfully finalized, the setMaster flag +** journal file from being successfully finalized, the setSuper flag ** is cleared anyway (and the pager will move to ERROR state). ** ** doNotSpill @@ -642,7 +642,7 @@ struct Pager { u8 eState; /* Pager state (OPEN, READER, WRITER_LOCKED..) */ u8 eLock; /* Current lock held on database file */ u8 changeCountDone; /* Set after incrementing the change-counter */ - u8 setMaster; /* True if a m-j name has been written to jrnl */ + u8 setSuper; /* Super-jrnl name is written into jrnl */ u8 doNotSpill; /* Do not spill the cache when non-zero */ u8 subjInMemory; /* True to use in-memory sub-journals */ u8 bUseFetch; /* True to use xFetch() */ @@ -920,7 +920,7 @@ static int assert_pager_state(Pager *p){ assert( pPager->dbSize==pPager->dbOrigSize ); assert( pPager->dbOrigSize==pPager->dbFileSize ); assert( pPager->dbOrigSize==pPager->dbHintSize ); - assert( pPager->setMaster==0 ); + assert( pPager->setSuper==0 ); break; case PAGER_WRITER_CACHEMOD: @@ -1274,66 +1274,66 @@ static void checkPage(PgHdr *pPg){ /* ** When this is called the journal file for pager pPager must be open. -** This function attempts to read a master journal file name from the +** This function attempts to read a super-journal file name from the ** end of the file and, if successful, copies it into memory supplied -** by the caller. See comments above writeMasterJournal() for the format -** used to store a master journal file name at the end of a journal file. +** by the caller. See comments above writeSuperJournal() for the format +** used to store a super-journal file name at the end of a journal file. ** -** zMaster must point to a buffer of at least nMaster bytes allocated by +** zSuper must point to a buffer of at least nSuper bytes allocated by ** the caller. This should be sqlite3_vfs.mxPathname+1 (to ensure there is -** enough space to write the master journal name). If the master journal -** name in the journal is longer than nMaster bytes (including a -** nul-terminator), then this is handled as if no master journal name +** enough space to write the super-journal name). If the super-journal +** name in the journal is longer than nSuper bytes (including a +** nul-terminator), then this is handled as if no super-journal name ** were present in the journal. ** -** If a master journal file name is present at the end of the journal -** file, then it is copied into the buffer pointed to by zMaster. A -** nul-terminator byte is appended to the buffer following the master -** journal file name. +** If a super-journal file name is present at the end of the journal +** file, then it is copied into the buffer pointed to by zSuper. A +** nul-terminator byte is appended to the buffer following the +** super-journal file name. ** -** If it is determined that no master journal file name is present -** zMaster[0] is set to 0 and SQLITE_OK returned. +** If it is determined that no super-journal file name is present +** zSuper[0] is set to 0 and SQLITE_OK returned. ** ** If an error occurs while reading from the journal file, an SQLite ** error code is returned. */ -static int readMasterJournal(sqlite3_file *pJrnl, char *zMaster, u32 nMaster){ +static int readSuperJournal(sqlite3_file *pJrnl, char *zSuper, u32 nSuper){ int rc; /* Return code */ - u32 len; /* Length in bytes of master journal name */ + u32 len; /* Length in bytes of super-journal name */ i64 szJ; /* Total size in bytes of journal file pJrnl */ u32 cksum; /* MJ checksum value read from journal */ u32 u; /* Unsigned loop counter */ unsigned char aMagic[8]; /* A buffer to hold the magic header */ - zMaster[0] = '\0'; + zSuper[0] = '\0'; if( SQLITE_OK!=(rc = sqlite3OsFileSize(pJrnl, &szJ)) || szJ<16 || SQLITE_OK!=(rc = read32bits(pJrnl, szJ-16, &len)) - || len>=nMaster + || len>=nSuper || len>szJ-16 || len==0 || SQLITE_OK!=(rc = read32bits(pJrnl, szJ-12, &cksum)) || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, aMagic, 8, szJ-8)) || memcmp(aMagic, aJournalMagic, 8) - || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, zMaster, len, szJ-16-len)) + || SQLITE_OK!=(rc = sqlite3OsRead(pJrnl, zSuper, len, szJ-16-len)) ){ return rc; } - /* See if the checksum matches the master journal name */ + /* See if the checksum matches the super-journal name */ for(u=0; u<len; u++){ - cksum -= zMaster[u]; + cksum -= zSuper[u]; } if( cksum ){ /* If the checksum doesn't add up, then one or more of the disk sectors - ** containing the master journal filename is corrupted. This means + ** containing the super-journal filename is corrupted. This means ** definitely roll back, so just return SQLITE_OK and report a (nul) - ** master-journal filename. + ** super-journal filename. */ len = 0; } - zMaster[len] = '\0'; - zMaster[len+1] = '\0'; + zSuper[len] = '\0'; + zSuper[len+1] = '\0'; return SQLITE_OK; } @@ -1661,50 +1661,50 @@ static int readJournalHdr( /* -** Write the supplied master journal name into the journal file for pager -** pPager at the current location. The master journal name must be the last +** Write the supplied super-journal name into the journal file for pager +** pPager at the current location. The super-journal name must be the last ** thing written to a journal file. If the pager is in full-sync mode, the ** journal file descriptor is advanced to the next sector boundary before ** anything is written. The format is: ** ** + 4 bytes: PAGER_MJ_PGNO. -** + N bytes: Master journal filename in utf-8. -** + 4 bytes: N (length of master journal name in bytes, no nul-terminator). -** + 4 bytes: Master journal name checksum. +** + N bytes: super-journal filename in utf-8. +** + 4 bytes: N (length of super-journal name in bytes, no nul-terminator). +** + 4 bytes: super-journal name checksum. ** + 8 bytes: aJournalMagic[]. ** -** The master journal page checksum is the sum of the bytes in the master -** journal name, where each byte is interpreted as a signed 8-bit integer. +** The super-journal page checksum is the sum of the bytes in thesuper-journal +** name, where each byte is interpreted as a signed 8-bit integer. ** -** If zMaster is a NULL pointer (occurs for a single database transaction), +** If zSuper is a NULL pointer (occurs for a single database transaction), ** this call is a no-op. */ -static int writeMasterJournal(Pager *pPager, const char *zMaster){ +static int writeSuperJournal(Pager *pPager, const char *zSuper){ int rc; /* Return code */ - int nMaster; /* Length of string zMaster */ + int nSuper; /* Length of string zSuper */ i64 iHdrOff; /* Offset of header in journal file */ i64 jrnlSize; /* Size of journal file on disk */ - u32 cksum = 0; /* Checksum of string zMaster */ + u32 cksum = 0; /* Checksum of string zSuper */ - assert( pPager->setMaster==0 ); + assert( pPager->setSuper==0 ); assert( !pagerUseWal(pPager) ); - if( !zMaster + if( !zSuper || pPager->journalMode==PAGER_JOURNALMODE_MEMORY || !isOpen(pPager->jfd) ){ return SQLITE_OK; } - pPager->setMaster = 1; + pPager->setSuper = 1; assert( pPager->journalHdr <= pPager->journalOff ); - /* Calculate the length in bytes and the checksum of zMaster */ - for(nMaster=0; zMaster[nMaster]; nMaster++){ - cksum += zMaster[nMaster]; + /* Calculate the length in bytes and the checksum of zSuper */ + for(nSuper=0; zSuper[nSuper]; nSuper++){ + cksum += zSuper[nSuper]; } /* If in full-sync mode, advance to the next disk sector before writing - ** the master journal name. This is in case the previous page written to + ** the super-journal name. This is in case the previous page written to ** the journal has already been synced. */ if( pPager->fullSync ){ @@ -1712,25 +1712,25 @@ static int writeMasterJournal(Pager *pPager, const char *zMaster){ } iHdrOff = pPager->journalOff; - /* Write the master journal data to the end of the journal file. If + /* Write the super-journal data to the end of the journal file. If ** an error occurs, return the error code to the caller. */ if( (0 != (rc = write32bits(pPager->jfd, iHdrOff, PAGER_MJ_PGNO(pPager)))) - || (0 != (rc = sqlite3OsWrite(pPager->jfd, zMaster, nMaster, iHdrOff+4))) - || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nMaster, nMaster))) - || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nMaster+4, cksum))) + || (0 != (rc = sqlite3OsWrite(pPager->jfd, zSuper, nSuper, iHdrOff+4))) + || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper, nSuper))) + || (0 != (rc = write32bits(pPager->jfd, iHdrOff+4+nSuper+4, cksum))) || (0 != (rc = sqlite3OsWrite(pPager->jfd, aJournalMagic, 8, - iHdrOff+4+nMaster+8))) + iHdrOff+4+nSuper+8))) ){ return rc; } - pPager->journalOff += (nMaster+20); + pPager->journalOff += (nSuper+20); /* If the pager is in peristent-journal mode, then the physical - ** journal-file may extend past the end of the master-journal name + ** journal-file may extend past the end of the super-journal name ** and 8 bytes of magic data just written to the file. This is ** dangerous because the code to rollback a hot-journal file - ** will not be able to find the master-journal name to determine + ** will not be able to find the super-journal name to determine ** whether or not the journal is hot. ** ** Easiest thing to do in this scenario is to truncate the journal @@ -1891,7 +1891,7 @@ static void pager_unlock(Pager *pPager){ pPager->journalOff = 0; pPager->journalHdr = 0; - pPager->setMaster = 0; + pPager->setSuper = 0; } /* @@ -2007,7 +2007,7 @@ static int pagerFlushOnCommit(Pager *pPager, int bCommit){ ** to the first error encountered (the journal finalization one) is ** returned. */ -static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ +static int pager_end_transaction(Pager *pPager, int hasSuper, int bCommit){ int rc = SQLITE_OK; /* Error code from journal finalization operation */ int rc2 = SQLITE_OK; /* Error code from db file unlock operation */ @@ -2059,7 +2059,7 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ }else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST || (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL) ){ - rc = zeroJournalHdr(pPager, hasMaster||pPager->tempFile); + rc = zeroJournalHdr(pPager, hasSuper||pPager->tempFile); pPager->journalOff = 0; }else{ /* This branch may be executed with Pager.journalMode==MEMORY if @@ -2132,7 +2132,7 @@ static int pager_end_transaction(Pager *pPager, int hasMaster, int bCommit){ rc2 = pagerUnlockDb(pPager, SHARED_LOCK); } pPager->eState = PAGER_READER; - pPager->setMaster = 0; + pPager->setSuper = 0; return (rc==SQLITE_OK?rc2:rc); } @@ -2440,36 +2440,36 @@ static int pager_playback_one_page( } /* -** Parameter zMaster is the name of a master journal file. A single journal -** file that referred to the master journal file has just been rolled back. -** This routine checks if it is possible to delete the master journal file, +** Parameter zSuper is the name of a super-journal file. A single journal +** file that referred to the super-journal file has just been rolled back. +** This routine checks if it is possible to delete the super-journal file, ** and does so if it is. ** -** Argument zMaster may point to Pager.pTmpSpace. So that buffer is not +** Argument zSuper may point to Pager.pTmpSpace. So that buffer is not ** available for use within this function. ** -** When a master journal file is created, it is populated with the names +** When a super-journal file is created, it is populated with the names ** of all of its child journals, one after another, formatted as utf-8 ** encoded text. The end of each child journal file is marked with a -** nul-terminator byte (0x00). i.e. the entire contents of a master journal +** nul-terminator byte (0x00). i.e. the entire contents of a super-journal ** file for a transaction involving two databases might be: ** ** "/home/bill/a.db-journal\x00/home/bill/b.db-journal\x00" ** -** A master journal file may only be deleted once all of its child +** A super-journal file may only be deleted once all of its child ** journals have been rolled back. ** -** This function reads the contents of the master-journal file into +** This function reads the contents of the super-journal file into ** memory and loops through each of the child journal names. For ** each child journal, it checks if: ** ** * if the child journal exists, and if so -** * if the child journal contains a reference to master journal -** file zMaster +** * if the child journal contains a reference to super-journal +** file zSuper ** ** If a child journal can be found that matches both of the criteria ** above, this function returns without doing anything. Otherwise, if -** no such child journal can be found, file zMaster is deleted from +** no such child journal can be found, file zSuper is deleted from ** the file-system using sqlite3OsDelete(). ** ** If an IO error within this function, an error code is returned. This @@ -2478,64 +2478,64 @@ static int pager_playback_one_page( ** occur, SQLITE_OK is returned. ** ** TODO: This function allocates a single block of memory to load -** the entire contents of the master journal file. This could be +** the entire contents of the super-journal file. This could be ** a couple of kilobytes or so - potentially larger than the page ** size. */ -static int pager_delmaster(Pager *pPager, const char *zMaster){ +static int pager_delsuper(Pager *pPager, const char *zSuper){ sqlite3_vfs *pVfs = pPager->pVfs; int rc; /* Return code */ - sqlite3_file *pMaster; /* Malloc'd master-journal file descriptor */ + sqlite3_file *pSuper; /* Malloc'd super-journal file descriptor */ sqlite3_file *pJournal; /* Malloc'd child-journal file descriptor */ - char *zMasterJournal = 0; /* Contents of master journal file */ - i64 nMasterJournal; /* Size of master journal file */ + char *zSuperJournal = 0; /* Contents of super-journal file */ + i64 nSuperJournal; /* Size of super-journal file */ char *zJournal; /* Pointer to one journal within MJ file */ - char *zMasterPtr; /* Space to hold MJ filename from a journal file */ - int nMasterPtr; /* Amount of space allocated to zMasterPtr[] */ + char *zSuperPtr; /* Space to hold super-journal filename */ + int nSuperPtr; /* Amount of space allocated to zSuperPtr[] */ - /* Allocate space for both the pJournal and pMaster file descriptors. - ** If successful, open the master journal file for reading. + /* Allocate space for both the pJournal and pSuper file descriptors. + ** If successful, open the super-journal file for reading. */ - pMaster = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile * 2); - pJournal = (sqlite3_file *)(((u8 *)pMaster) + pVfs->szOsFile); - if( !pMaster ){ + pSuper = (sqlite3_file *)sqlite3MallocZero(pVfs->szOsFile * 2); + pJournal = (sqlite3_file *)(((u8 *)pSuper) + pVfs->szOsFile); + if( !pSuper ){ rc = SQLITE_NOMEM_BKPT; }else{ const int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_SUPER_JOURNAL); - rc = sqlite3OsOpen(pVfs, zMaster, pMaster, flags, 0); + rc = sqlite3OsOpen(pVfs, zSuper, pSuper, flags, 0); } - if( rc!=SQLITE_OK ) goto delmaster_out; + if( rc!=SQLITE_OK ) goto delsuper_out; - /* Load the entire master journal file into space obtained from - ** sqlite3_malloc() and pointed to by zMasterJournal. Also obtain - ** sufficient space (in zMasterPtr) to hold the names of master - ** journal files extracted from regular rollback-journals. + /* Load the entire super-journal file into space obtained from + ** sqlite3_malloc() and pointed to by zSuperJournal. Also obtain + ** sufficient space (in zSuperPtr) to hold the names of super-journal + ** files extracted from regular rollback-journals. */ - rc = sqlite3OsFileSize(pMaster, &nMasterJournal); - if( rc!=SQLITE_OK ) goto delmaster_out; - nMasterPtr = pVfs->mxPathname+1; - zMasterJournal = sqlite3Malloc(nMasterJournal + nMasterPtr + 2); - if( !zMasterJournal ){ + rc = sqlite3OsFileSize(pSuper, &nSuperJournal); + if( rc!=SQLITE_OK ) goto delsuper_out; + nSuperPtr = pVfs->mxPathname+1; + zSuperJournal = sqlite3Malloc(nSuperJournal + nSuperPtr + 2); + if( !zSuperJournal ){ rc = SQLITE_NOMEM_BKPT; - goto delmaster_out; + goto delsuper_out; } - zMasterPtr = &zMasterJournal[nMasterJournal+2]; - rc = sqlite3OsRead(pMaster, zMasterJournal, (int)nMasterJournal, 0); - if( rc!=SQLITE_OK ) goto delmaster_out; - zMasterJournal[nMasterJournal] = 0; - zMasterJournal[nMasterJournal+1] = 0; + zSuperPtr = &zSuperJournal[nSuperJournal+2]; + rc = sqlite3OsRead(pSuper, zSuperJournal, (int)nSuperJournal, 0); + if( rc!=SQLITE_OK ) goto delsuper_out; + zSuperJournal[nSuperJournal] = 0; + zSuperJournal[nSuperJournal+1] = 0; - zJournal = zMasterJournal; - while( (zJournal-zMasterJournal)<nMasterJournal ){ + zJournal = zSuperJournal; + while( (zJournal-zSuperJournal)<nSuperJournal ){ int exists; rc = sqlite3OsAccess(pVfs, zJournal, SQLITE_ACCESS_EXISTS, &exists); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } if( exists ){ - /* One of the journals pointed to by the master journal exists. - ** Open it and check if it points at the master journal. If - ** so, return without deleting the master journal file. + /* One of the journals pointed to by the super-journal exists. + ** Open it and check if it points at the super-journal. If + ** so, return without deleting the super-journal file. ** NB: zJournal is really a MAIN_JOURNAL. But call it a ** SUPER_JOURNAL here so that the VFS will not send the zJournal ** name into sqlite3_database_file_object(). @@ -2544,33 +2544,33 @@ static int pager_delmaster(Pager *pPager, const char *zMaster){ int flags = (SQLITE_OPEN_READONLY|SQLITE_OPEN_SUPER_JOURNAL); rc = sqlite3OsOpen(pVfs, zJournal, pJournal, flags, 0); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } - rc = readMasterJournal(pJournal, zMasterPtr, nMasterPtr); + rc = readSuperJournal(pJournal, zSuperPtr, nSuperPtr); sqlite3OsClose(pJournal); if( rc!=SQLITE_OK ){ - goto delmaster_out; + goto delsuper_out; } - c = zMasterPtr[0]!=0 && strcmp(zMasterPtr, zMaster)==0; + c = zSuperPtr[0]!=0 && strcmp(zSuperPtr, zSuper)==0; if( c ){ - /* We have a match. Do not delete the master journal file. */ - goto delmaster_out; + /* We have a match. Do not delete the super-journal file. */ + goto delsuper_out; } } zJournal += (sqlite3Strlen30(zJournal)+1); } - sqlite3OsClose(pMaster); - rc = sqlite3OsDelete(pVfs, zMaster, 0); + sqlite3OsClose(pSuper); + rc = sqlite3OsDelete(pVfs, zSuper, 0); -delmaster_out: - sqlite3_free(zMasterJournal); - if( pMaster ){ - sqlite3OsClose(pMaster); +delsuper_out: + sqlite3_free(zSuperJournal); + if( pSuper ){ + sqlite3OsClose(pSuper); assert( !isOpen(pJournal) ); - sqlite3_free(pMaster); + sqlite3_free(pSuper); } return rc; } @@ -2648,7 +2648,7 @@ int sqlite3SectorSize(sqlite3_file *pFile){ ** pager based on the value returned by the xSectorSize method ** of the open database file. The sector size will be used ** to determine the size and alignment of journal header and -** master journal pointers within created journal files. +** super-journal pointers within created journal files. ** ** For temporary files the effective sector size is always 512 bytes. ** @@ -2747,7 +2747,7 @@ static int pager_playback(Pager *pPager, int isHot){ Pgno mxPg = 0; /* Size of the original file in pages */ int rc; /* Result code of a subroutine */ int res = 1; /* Value returned by sqlite3OsAccess() */ - char *zMaster = 0; /* Name of master journal file if any */ + char *zSuper = 0; /* Name of super-journal file if any */ int needPagerReset; /* True to reset page prior to first page rollback */ int nPlayback = 0; /* Total number of pages restored from journal */ u32 savedPageSize = pPager->pageSize; @@ -2761,8 +2761,8 @@ static int pager_playback(Pager *pPager, int isHot){ goto end_playback; } - /* Read the master journal name from the journal, if it is present. - ** If a master journal file name is specified, but the file is not + /* Read the super-journal name from the journal, if it is present. + ** If a super-journal file name is specified, but the file is not ** present on disk, then the journal is not hot and does not need to be ** played back. ** @@ -2772,12 +2772,12 @@ static int pager_playback(Pager *pPager, int isHot){ ** mxPathname is 512, which is the same as the minimum allowable value ** for pageSize. */ - zMaster = pPager->pTmpSpace; - rc = readMasterJournal(pPager->jfd, zMaster, pPager->pVfs->mxPathname+1); - if( rc==SQLITE_OK && zMaster[0] ){ - rc = sqlite3OsAccess(pVfs, zMaster, SQLITE_ACCESS_EXISTS, &res); + zSuper = pPager->pTmpSpace; + rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1); + if( rc==SQLITE_OK && zSuper[0] ){ + rc = sqlite3OsAccess(pVfs, zSuper, SQLITE_ACCESS_EXISTS, &res); } - zMaster = 0; + zSuper = 0; if( rc!=SQLITE_OK || !res ){ goto end_playback; } @@ -2904,8 +2904,8 @@ end_playback: pPager->changeCountDone = pPager->tempFile; if( rc==SQLITE_OK ){ - zMaster = pPager->pTmpSpace; - rc = readMasterJournal(pPager->jfd, zMaster, pPager->pVfs->mxPathname+1); + zSuper = pPager->pTmpSpace; + rc = readSuperJournal(pPager->jfd, zSuper, pPager->pVfs->mxPathname+1); testcase( rc!=SQLITE_OK ); } if( rc==SQLITE_OK @@ -2914,14 +2914,14 @@ end_playback: rc = sqlite3PagerSync(pPager, 0); } if( rc==SQLITE_OK ){ - rc = pager_end_transaction(pPager, zMaster[0]!='\0', 0); + rc = pager_end_transaction(pPager, zSuper[0]!='\0', 0); testcase( rc!=SQLITE_OK ); } - if( rc==SQLITE_OK && zMaster[0] && res ){ - /* If there was a master journal and this routine will return success, - ** see if it is possible to delete the master journal. + if( rc==SQLITE_OK && zSuper[0] && res ){ + /* If there was a super-journal and this routine will return success, + ** see if it is possible to delete the super-journal. */ - rc = pager_delmaster(pPager, zMaster); + rc = pager_delsuper(pPager, zSuper); testcase( rc!=SQLITE_OK ); } if( isHot && nPlayback ){ @@ -3300,7 +3300,7 @@ static int pagerOpenWalIfPresent(Pager *pPager){ /* ** Playback savepoint pSavepoint. Or, if pSavepoint==NULL, then playback -** the entire master journal file. The case pSavepoint==NULL occurs when +** the entire super-journal file. The case pSavepoint==NULL occurs when ** a ROLLBACK TO command is invoked on a SAVEPOINT that is a transaction ** savepoint. ** @@ -5040,8 +5040,8 @@ sqlite3_file *sqlite3_database_file_object(const char *zName){ ** just deleted using OsDelete, *pExists is set to 0 and SQLITE_OK ** is returned. ** -** This routine does not check if there is a master journal filename -** at the end of the file. If there is, and that master journal file +** This routine does not check if there is a super-journal filename +** at the end of the file. If there is, and that super-journal file ** does not exist, then the journal file is not really hot. In this ** case this routine will return a false-positive. The pager_playback() ** routine will discover that the journal file is not really hot and @@ -5786,7 +5786,7 @@ static int pager_open_journal(Pager *pPager){ /* TODO: Check if all of these are really required. */ pPager->nRec = 0; pPager->journalOff = 0; - pPager->setMaster = 0; + pPager->setSuper = 0; pPager->journalHdr = 0; rc = writeJournalHdr(pPager); } @@ -6298,9 +6298,9 @@ static int pager_incr_changecounter(Pager *pPager, int isDirectMode){ ** If successful, or if called on a pager for which it is a no-op, this ** function returns SQLITE_OK. Otherwise, an IO error code is returned. */ -int sqlite3PagerSync(Pager *pPager, const char *zMaster){ +int sqlite3PagerSync(Pager *pPager, const char *zSuper){ int rc = SQLITE_OK; - void *pArg = (void*)zMaster; + void *pArg = (void*)zSuper; rc = sqlite3OsFileControl(pPager->fd, SQLITE_FCNTL_SYNC, pArg); if( rc==SQLITE_NOTFOUND ) rc = SQLITE_OK; if( rc==SQLITE_OK && !pPager->noSync ){ @@ -6338,10 +6338,10 @@ int sqlite3PagerExclusiveLock(Pager *pPager){ } /* -** Sync the database file for the pager pPager. zMaster points to the name -** of a master journal file that should be written into the individual -** journal file. zMaster may be NULL, which is interpreted as no master -** journal (a single database transaction). +** Sync the database file for the pager pPager. zSuper points to the name +** of a super-journal file that should be written into the individual +** journal file. zSuper may be NULL, which is interpreted as no +** super-journal (a single database transaction). ** ** This routine ensures that: ** @@ -6353,9 +6353,9 @@ int sqlite3PagerExclusiveLock(Pager *pPager){ ** ** The only thing that remains to commit the transaction is to finalize ** (delete, truncate or zero the first part of) the journal file (or -** delete the master journal file if specified). +** delete the super-journal file if specified). ** -** Note that if zMaster==NULL, this does not overwrite a previous value +** Note that if zSuper==NULL, this does not overwrite a previous value ** passed to an sqlite3PagerCommitPhaseOne() call. ** ** If the final parameter - noSync - is true, then the database file itself @@ -6365,7 +6365,7 @@ int sqlite3PagerExclusiveLock(Pager *pPager){ */ int sqlite3PagerCommitPhaseOne( Pager *pPager, /* Pager object */ - const char *zMaster, /* If not NULL, the master journal name */ + const char *zSuper, /* If not NULL, the super-journal name */ int noSync /* True to omit the xSync on the db file */ ){ int rc = SQLITE_OK; /* Return code */ @@ -6383,8 +6383,8 @@ int sqlite3PagerCommitPhaseOne( /* Provide the ability to easily simulate an I/O error during testing */ if( sqlite3FaultSim(400) ) return SQLITE_IOERR; - PAGERTRACE(("DATABASE SYNC: File=%s zMaster=%s nSize=%d\n", - pPager->zFilename, zMaster, pPager->dbSize)); + PAGERTRACE(("DATABASE SYNC: File=%s zSuper=%s nSize=%d\n", + pPager->zFilename, zSuper, pPager->dbSize)); /* If no database changes have been made, return early. */ if( pPager->eState<PAGER_WRITER_CACHEMOD ) return SQLITE_OK; @@ -6423,7 +6423,7 @@ int sqlite3PagerCommitPhaseOne( */ #ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE sqlite3_file *fd = pPager->fd; - int bBatch = zMaster==0 /* An SQLITE_IOCAP_BATCH_ATOMIC commit */ + int bBatch = zSuper==0 /* An SQLITE_IOCAP_BATCH_ATOMIC commit */ && (sqlite3OsDeviceCharacteristics(fd) & SQLITE_IOCAP_BATCH_ATOMIC) && !pPager->noSync && sqlite3JournalIsInMemory(pPager->jfd); @@ -6461,7 +6461,7 @@ int sqlite3PagerCommitPhaseOne( || pPager->journalMode==PAGER_JOURNALMODE_OFF || pPager->journalMode==PAGER_JOURNALMODE_WAL ); - if( !zMaster && isOpen(pPager->jfd) + if( !zSuper && isOpen(pPager->jfd) && pPager->journalOff==jrnlBufferSize(pPager) && pPager->dbSize>=pPager->dbOrigSize && (!(pPg = sqlite3PcacheDirtyList(pPager->pPCache)) || 0==pPg->pDirty) @@ -6482,7 +6482,7 @@ int sqlite3PagerCommitPhaseOne( } #else /* SQLITE_ENABLE_ATOMIC_WRITE */ #ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE - if( zMaster ){ + if( zSuper ){ rc = sqlite3JournalCreate(pPager->jfd); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; assert( bBatch==0 ); @@ -6492,11 +6492,11 @@ int sqlite3PagerCommitPhaseOne( #endif /* !SQLITE_ENABLE_ATOMIC_WRITE */ if( rc!=SQLITE_OK ) goto commit_phase_one_exit; - /* Write the master journal name into the journal file. If a master - ** journal file name has already been written to the journal file, - ** or if zMaster is NULL (no master journal), then this call is a no-op. + /* Write the super-journal name into the journal file. If a + ** super-journal file name has already been written to the journal file, + ** or if zSuper is NULL (no super-journal), then this call is a no-op. */ - rc = writeMasterJournal(pPager, zMaster); + rc = writeSuperJournal(pPager, zSuper); if( rc!=SQLITE_OK ) goto commit_phase_one_exit; /* Sync the journal file and write all dirty pages to the database. @@ -6564,7 +6564,7 @@ int sqlite3PagerCommitPhaseOne( /* Finally, sync the database file. */ if( !noSync ){ - rc = sqlite3PagerSync(pPager, zMaster); + rc = sqlite3PagerSync(pPager, zSuper); } IOTRACE(("DBSYNC %p\n", pPager)) } @@ -6629,7 +6629,7 @@ int sqlite3PagerCommitPhaseTwo(Pager *pPager){ } PAGERTRACE(("COMMIT %d\n", PAGERID(pPager))); - rc = pager_end_transaction(pPager, pPager->setMaster, 1); + rc = pager_end_transaction(pPager, pPager->setSuper, 1); return pager_error(pPager, rc); } @@ -6674,7 +6674,7 @@ int sqlite3PagerRollback(Pager *pPager){ if( pagerUseWal(pPager) ){ int rc2; rc = sqlite3PagerSavepoint(pPager, SAVEPOINT_ROLLBACK, -1); - rc2 = pager_end_transaction(pPager, pPager->setMaster, 0); + rc2 = pager_end_transaction(pPager, pPager->setSuper, 0); if( rc==SQLITE_OK ) rc = rc2; }else if( !isOpen(pPager->jfd) || pPager->eState==PAGER_WRITER_LOCKED ){ int eState = pPager->eState; diff --git a/src/pager.h b/src/pager.h index 62a371ef8..3d3270f59 100644 --- a/src/pager.h +++ b/src/pager.h @@ -46,8 +46,8 @@ typedef struct PgHdr DbPage; ** Page number PAGER_MJ_PGNO is never used in an SQLite database (it is ** reserved for working around a windows/posix incompatibility). It is ** used in the journal to signify that the remainder of the journal file -** is devoted to storing a master journal name - there are no more pages to -** roll back. See comments for function writeMasterJournal() in pager.c +** is devoted to storing a super-journal name - there are no more pages to +** roll back. See comments for function writeSuperJournal() in pager.c ** for details. */ #define PAGER_MJ_PGNO(x) ((Pgno)((PENDING_BYTE/((x)->pageSize))+1)) @@ -161,9 +161,9 @@ void *sqlite3PagerGetExtra(DbPage *); /* Functions used to manage pager transactions and savepoints. */ void sqlite3PagerPagecount(Pager*, int*); int sqlite3PagerBegin(Pager*, int exFlag, int); -int sqlite3PagerCommitPhaseOne(Pager*,const char *zMaster, int); +int sqlite3PagerCommitPhaseOne(Pager*,const char *zSuper, int); int sqlite3PagerExclusiveLock(Pager*); -int sqlite3PagerSync(Pager *pPager, const char *zMaster); +int sqlite3PagerSync(Pager *pPager, const char *zSuper); int sqlite3PagerCommitPhaseTwo(Pager*); int sqlite3PagerRollback(Pager*); int sqlite3PagerOpenSavepoint(Pager *pPager, int n); diff --git a/src/parse.y b/src/parse.y index 09731eb99..837645659 100644 --- a/src/parse.y +++ b/src/parse.y @@ -1315,7 +1315,7 @@ uniqueflag(A) ::= . {A = OE_None;} // // IMPORTANT COMPATIBILITY NOTE: Some prior versions of SQLite accepted // COLLATE clauses and ASC or DESC keywords on ID lists in inappropriate -// places - places that might have been stored in the sqlite_master schema. +// places - places that might have been stored in the sqlite_schema table. // Those extra features were ignored. But because they might be in some // (busted) old databases, we need to continue parsing them when loading // historical schemas. diff --git a/src/prepare.c b/src/prepare.c index 80218feb7..2d4f7a3ba 100644 --- a/src/prepare.c +++ b/src/prepare.c @@ -177,7 +177,7 @@ int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFlags){ char const *azArg[6]; int meta[5]; InitData initData; - const char *zMasterName; + const char *zSchemaTabName; int openedTransaction = 0; int mask = ((db->mDbFlags & DBFLAG_EncodingFixed) | ~DBFLAG_EncodingFixed); @@ -195,7 +195,7 @@ int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFlags){ ** use the abbreviation "x" here. The parser will also automatically tag ** the schema table as read-only. */ azArg[0] = "table"; - azArg[1] = zMasterName = SCHEMA_TABLE(iDb); + azArg[1] = zSchemaTabName = SCHEMA_TABLE(iDb); azArg[2] = azArg[1]; azArg[3] = "1"; azArg[4] = "CREATE TABLE x(type text,name text,tbl_name text," @@ -333,7 +333,7 @@ int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFlags){ char *zSql; zSql = sqlite3MPrintf(db, "SELECT*FROM\"%w\".%s ORDER BY rowid", - db->aDb[iDb].zDbSName, zMasterName); + db->aDb[iDb].zDbSName, zSchemaTabName); #ifndef SQLITE_OMIT_AUTHORIZATION { sqlite3_xauth xAuth; diff --git a/src/select.c b/src/select.c index cdc81fd1f..31f22664a 100644 --- a/src/select.c +++ b/src/select.c @@ -6230,7 +6230,7 @@ int sqlite3Select( u16 wctrlFlags = (sDistinct.isTnct ? WHERE_WANT_DISTINCT : 0) | (p->selFlags & SF_FixedLimit); #ifndef SQLITE_OMIT_WINDOWFUNC - Window *pWin = p->pWin; /* Master window object (or NULL) */ + Window *pWin = p->pWin; /* Main window object (or NULL) */ if( pWin ){ sqlite3WindowCodeInit(pParse, p); } diff --git a/src/shell.c.in b/src/shell.c.in index c52794221..ccb6f7848 100644 --- a/src/shell.c.in +++ b/src/shell.c.in @@ -935,7 +935,7 @@ static void shellModuleSchema( ** CREATE VIRTUAL TABLE ** ** This UDF is used by the .schema command to insert the schema name of -** attached databases into the middle of the sqlite_master.sql field. +** attached databases into the middle of the sqlite_schema.sql field. */ static void shellAddSchemaName( sqlite3_context *pCtx, @@ -2371,16 +2371,16 @@ static void createSelftestTable(ShellState *p){ "INSERT INTO [_shell$self]\n" " SELECT 'run',\n" " 'SELECT hex(sha3_query(''SELECT type,name,tbl_name,sql " - "FROM sqlite_master ORDER BY 2'',224))',\n" + "FROM sqlite_schema ORDER BY 2'',224))',\n" " hex(sha3_query('SELECT type,name,tbl_name,sql " - "FROM sqlite_master ORDER BY 2',224));\n" + "FROM sqlite_schema ORDER BY 2',224));\n" "INSERT INTO [_shell$self]\n" " SELECT 'run'," " 'SELECT hex(sha3_query(''SELECT * FROM \"' ||" " printf('%w',name) || '\" NOT INDEXED'',224))',\n" " hex(sha3_query(printf('SELECT * FROM \"%w\" NOT INDEXED',name),224))\n" " FROM (\n" - " SELECT name FROM sqlite_master\n" + " SELECT name FROM sqlite_schema\n" " WHERE type='table'\n" " AND name<>'selftest'\n" " AND coalesce(rootpage,0)>0\n" @@ -3683,7 +3683,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azNotUsed){ if( strcmp(zTable, "sqlite_sequence")==0 ){ raw_printf(p->out, "DELETE FROM sqlite_sequence;\n"); }else if( sqlite3_strglob("sqlite_stat?", zTable)==0 ){ - raw_printf(p->out, "ANALYZE sqlite_master;\n"); + raw_printf(p->out, "ANALYZE sqlite_schema;\n"); }else if( strncmp(zTable, "sqlite_", 7)==0 ){ return 0; }else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){ @@ -3693,7 +3693,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azNotUsed){ p->writableSchema = 1; } zIns = sqlite3_mprintf( - "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)" + "INSERT INTO sqlite_schema(type,name,tbl_name,rootpage,sql)" "VALUES('table','%q','%q',0,'%q');", zTable, zTable, zSql); utf8_printf(p->out, "%s\n", zIns); @@ -4008,7 +4008,7 @@ static const char *(azHelp[]) = { #endif ".sha3sum ... Compute a SHA3 hash of database content", " Options:", - " --schema Also hash the sqlite_master table", + " --schema Also hash the sqlite_schema table", " --sha3-224 Use the sha3-224 algorithm", " --sha3-256 Use the sha3-256 algorithm (default)", " --sha3-384 Use the sha3-384 algorithm", @@ -5159,7 +5159,7 @@ end_data_xfer: ** Try to transfer all rows of the schema that match zWhere. For ** each row, invoke xForEach() on the object defined by that row. ** If an error is encountered while moving forward through the -** sqlite_master table, try again moving backwards. +** sqlite_schema table, try again moving backwards. */ static void tryToCloneSchema( ShellState *p, @@ -5174,7 +5174,7 @@ static void tryToCloneSchema( const unsigned char *zSql; char *zErrMsg = 0; - zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master" + zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_schema" " WHERE %s", zWhere); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ @@ -5201,7 +5201,7 @@ static void tryToCloneSchema( if( rc!=SQLITE_DONE ){ sqlite3_finalize(pQuery); sqlite3_free(zQuery); - zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master" + zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_schema" " WHERE %s ORDER BY rowid DESC", zWhere); rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0); if( rc ){ @@ -5405,11 +5405,11 @@ static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){ raw_printf(p->out, "\n"); } if( zDb==0 ){ - zSchemaTab = sqlite3_mprintf("main.sqlite_master"); + zSchemaTab = sqlite3_mprintf("main.sqlite_schema"); }else if( strcmp(zDb,"temp")==0 ){ - zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_master"); + zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_schema"); }else{ - zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb); + zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_schema", zDb); } for(i=0; i<ArraySize(aQuery); i++){ char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab); @@ -5731,7 +5731,7 @@ static int lintFkeyIndexes( " || ');'" ", " " f.[table] " - "FROM sqlite_master AS s, pragma_foreign_key_list(s.name) AS f " + "FROM sqlite_schema AS s, pragma_foreign_key_list(s.name) AS f " "LEFT JOIN pragma_table_info AS p ON (pk-1=seq AND p.arg=f.[table]) " "GROUP BY s.name, f.id " "ORDER BY (CASE WHEN ? THEN f.[table] ELSE s.name END)" @@ -6806,7 +6806,7 @@ static RecoverTable *recoverNewTable( shellPreparePrintf(dbtmp, &rc, &pStmt, "SELECT (" " SELECT substr(data,1,1)==X'0D' FROM sqlite_dbpage WHERE pgno=rootpage" - ") FROM sqlite_master WHERE name = %Q", zName + ") FROM sqlite_schema WHERE name = %Q", zName ); if( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){ bSqlIntkey = sqlite3_column_int(pStmt, 0); @@ -6878,7 +6878,7 @@ static RecoverTable *recoverNewTable( /* ** This function is called to search the schema recovered from the -** sqlite_master table of the (possibly) corrupt database as part +** sqlite_schema table of the (possibly) corrupt database as part ** of a ".recover" command. Specifically, for a table with root page ** iRoot and at least nCol columns. Additionally, if bIntkey is 0, the ** table must be a WITHOUT ROWID table, or if non-zero, not one of @@ -7141,7 +7141,7 @@ static int recoverDatabaseCmd(ShellState *pState, int nArg, char **azArg){ ");" /* Extract data from page 1 and any linked pages into table - ** recovery.schema. With the same schema as an sqlite_master table. */ + ** recovery.schema. With the same schema as an sqlite_schema table. */ "CREATE TABLE recovery.schema(type, name, tbl_name, rootpage, sql);" "INSERT INTO recovery.schema SELECT " " max(CASE WHEN field=0 THEN value ELSE NULL END)," @@ -7293,7 +7293,7 @@ static int recoverDatabaseCmd(ShellState *pState, int nArg, char **azArg){ if( sqlite3_strnicmp(zSql, "create virt", 11)==0 ){ const char *zName = (const char*)sqlite3_column_text(pStmt, 1); char *zPrint = shellMPrintf(&rc, - "INSERT INTO sqlite_master VALUES('table', %Q, %Q, 0, %Q)", + "INSERT INTO sqlite_schema VALUES('table', %Q, %Q, 0, %Q)", zName, zName, zSql ); raw_printf(pState->out, "%s;\n", zPrint); @@ -7665,13 +7665,13 @@ static int do_meta_command(char *zLine, ShellState *p){ p->writableSchema = 0; p->showHeader = 0; /* Set writable_schema=ON since doing so forces SQLite to initialize - ** as much of the schema as it can even if the sqlite_master table is + ** as much of the schema as it can even if the sqlite_schema table is ** corrupt. */ sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0); p->nErr = 0; if( zLike==0 ) zLike = sqlite3_mprintf("true"); zSql = sqlite3_mprintf( - "SELECT name, type, sql FROM sqlite_master " + "SELECT name, type, sql FROM sqlite_schema " "WHERE (%s) AND type=='table'" " AND sql NOT NULL" " ORDER BY tbl_name='sqlite_sequence', rowid", @@ -7680,7 +7680,7 @@ static int do_meta_command(char *zLine, ShellState *p){ run_schema_dump_query(p,zSql); sqlite3_free(zSql); zSql = sqlite3_mprintf( - "SELECT sql FROM sqlite_master " + "SELECT sql FROM sqlite_schema " "WHERE (%s) AND sql NOT NULL" " AND type IN ('index','trigger','view')", zLike @@ -7727,7 +7727,7 @@ static int do_meta_command(char *zLine, ShellState *p){ p->autoEQP = AUTOEQP_full; p->autoEQPtrace = 1; open_db(p, 0); - sqlite3_exec(p->db, "SELECT name FROM sqlite_master LIMIT 1", 0, 0, 0); + sqlite3_exec(p->db, "SELECT name FROM sqlite_schema LIMIT 1", 0, 0, 0); sqlite3_exec(p->db, "PRAGMA vdbe_trace=ON;", 0, 0, 0); #endif }else{ @@ -7940,8 +7940,8 @@ static int do_meta_command(char *zLine, ShellState *p){ rc = sqlite3_exec(p->db, "SELECT sql FROM" " (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x" - " FROM sqlite_master UNION ALL" - " SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) " + " FROM sqlite_schema UNION ALL" + " SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_schema) " "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' " "ORDER BY rowid", callback, &data, &zErrMsg @@ -7949,7 +7949,7 @@ static int do_meta_command(char *zLine, ShellState *p){ if( rc==SQLITE_OK ){ sqlite3_stmt *pStmt; rc = sqlite3_prepare_v2(p->db, - "SELECT rowid FROM sqlite_master" + "SELECT rowid FROM sqlite_schema" " WHERE name GLOB 'sqlite_stat[134]'", -1, &pStmt, 0); doStats = sqlite3_step(pStmt)==SQLITE_ROW; @@ -7958,15 +7958,15 @@ static int do_meta_command(char *zLine, ShellState *p){ if( doStats==0 ){ raw_printf(p->out, "/* No STAT tables available */\n"); }else{ - raw_printf(p->out, "ANALYZE sqlite_master;\n"); - sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'", + raw_printf(p->out, "ANALYZE sqlite_schema;\n"); + sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_schema'", callback, &data, &zErrMsg); data.cMode = data.mode = MODE_Insert; data.zDestTable = "sqlite_stat1"; shell_exec(&data, "SELECT * FROM sqlite_stat1", &zErrMsg); data.zDestTable = "sqlite_stat4"; shell_exec(&data, "SELECT * FROM sqlite_stat4", &zErrMsg); - raw_printf(p->out, "ANALYZE sqlite_master;\n"); + raw_printf(p->out, "ANALYZE sqlite_schema;\n"); } }else @@ -8295,10 +8295,10 @@ static int do_meta_command(char *zLine, ShellState *p){ goto meta_command_exit; } zSql = sqlite3_mprintf( - "SELECT rootpage, 0 FROM sqlite_master" + "SELECT rootpage, 0 FROM sqlite_schema" " WHERE name='%q' AND type='index'" "UNION ALL " - "SELECT rootpage, 1 FROM sqlite_master" + "SELECT rootpage, 1 FROM sqlite_schema" " WHERE name='%q' AND type='table'" " AND sql LIKE '%%without%%rowid%%'", azArg[1], azArg[1] @@ -9033,11 +9033,11 @@ static int do_meta_command(char *zLine, ShellState *p){ } } if( zName!=0 ){ - int isMaster = sqlite3_strlike(zName, "sqlite_master", '\\')==0 + int isSchema = sqlite3_strlike(zName, "sqlite_master", '\\')==0 || sqlite3_strlike(zName, "sqlite_schema", '\\')==0 || sqlite3_strlike(zName,"sqlite_temp_master", '\\')==0 || sqlite3_strlike(zName,"sqlite_temp_schema", '\\')==0; - if( isMaster ){ + if( isSchema ){ char *new_argv[2], *new_colv[2]; new_argv[0] = sqlite3_mprintf( "CREATE TABLE %s (\n" @@ -9084,7 +9084,7 @@ static int do_meta_command(char *zLine, ShellState *p){ appendText(&sSelect, zDb, '\''); appendText(&sSelect, " AS sname FROM ", 0); appendText(&sSelect, zDb, quoteChar(zDb)); - appendText(&sSelect, ".sqlite_master", 0); + appendText(&sSelect, ".sqlite_schema", 0); } sqlite3_finalize(pStmt); #ifndef SQLITE_OMIT_INTROSPECTION_PRAGMAS @@ -9528,12 +9528,12 @@ static int do_meta_command(char *zLine, ShellState *p){ } } if( bSchema ){ - zSql = "SELECT lower(name) FROM sqlite_master" + zSql = "SELECT lower(name) FROM sqlite_schema" " WHERE type='table' AND coalesce(rootpage,0)>1" - " UNION ALL SELECT 'sqlite_master'" + " UNION ALL SELECT 'sqlite_schema'" " ORDER BY 1 collate nocase"; }else{ - zSql = "SELECT lower(name) FROM sqlite_master" + zSql = "SELECT lower(name) FROM sqlite_schema" " WHERE type='table' AND coalesce(rootpage,0)>1" " AND name NOT LIKE 'sqlite_%'" " ORDER BY 1 collate nocase"; @@ -9550,8 +9550,8 @@ static int do_meta_command(char *zLine, ShellState *p){ appendText(&sQuery,"SELECT * FROM ", 0); appendText(&sQuery,zTab,'"'); appendText(&sQuery," NOT INDEXED;", 0); - }else if( strcmp(zTab, "sqlite_master")==0 ){ - appendText(&sQuery,"SELECT type,name,tbl_name,sql FROM sqlite_master" + }else if( strcmp(zTab, "sqlite_schema")==0 ){ + appendText(&sQuery,"SELECT type,name,tbl_name,sql FROM sqlite_schema" " ORDER BY name;", 0); }else if( strcmp(zTab, "sqlite_sequence")==0 ){ appendText(&sQuery,"SELECT name,seq FROM sqlite_sequence" @@ -9702,7 +9702,7 @@ static int do_meta_command(char *zLine, ShellState *p){ appendText(&s, "||'.'||name FROM ", 0); } appendText(&s, zDbName, '"'); - appendText(&s, ".sqlite_master ", 0); + appendText(&s, ".sqlite_schema ", 0); if( c=='t' ){ appendText(&s," WHERE type IN ('table','view')" " AND name NOT LIKE 'sqlite_%'" diff --git a/src/test4.c b/src/test4.c index 2ef5fe692..5da9cc488 100644 --- a/src/test4.c +++ b/src/test4.c @@ -32,7 +32,7 @@ extern const char *sqlite3ErrName(int); */ typedef struct Thread Thread; struct Thread { - /* The first group of fields are writable by the master and read-only + /* The first group of fields are writable by the leader and read-only ** to the thread. */ char *zFilename; /* Name of database file */ void (*xOp)(Thread*); /* next operation to do */ @@ -41,7 +41,7 @@ struct Thread { int busy; /* True if this thread is in use */ /* The next group of fields are writable by the thread but read-only to the - ** master. */ + ** leader. */ int completed; /* Number of operations completed */ sqlite3 *db; /* Open database */ sqlite3_stmt *pStmt; /* Pending operation */ diff --git a/src/test_sqllog.c b/src/test_sqllog.c index 9b207cf07..9ae0e5068 100644 --- a/src/test_sqllog.c +++ b/src/test_sqllog.c @@ -118,7 +118,7 @@ struct SLConn { /* This object is a singleton that keeps track of all data loggers. */ static struct SLGlobal { - /* Protected by MUTEX_STATIC_MASTER */ + /* Protected by MUTEX_STATIC_MAIN */ sqlite3_mutex *mutex; /* Recursive mutex */ int nConn; /* Size of aConn[] array */ @@ -467,28 +467,28 @@ static int sqllogTraceDb(sqlite3 *db){ */ static void testSqllog(void *pCtx, sqlite3 *db, const char *zSql, int eType){ struct SLConn *p = 0; - sqlite3_mutex *master = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER); + sqlite3_mutex *mainmtx = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MAIN); assert( eType==0 || eType==1 || eType==2 ); assert( (eType==2)==(zSql==0) ); /* This is a database open command. */ if( eType==0 ){ - sqlite3_mutex_enter(master); + sqlite3_mutex_enter(mainmtx); if( sqllogglobal.mutex==0 ){ sqllogglobal.mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_RECURSIVE); } - sqlite3_mutex_leave(master); + sqlite3_mutex_leave(mainmtx); sqlite3_mutex_enter(sqllogglobal.mutex); if( sqllogglobal.bRec==0 && sqllogTraceDb(db) ){ - sqlite3_mutex_enter(master); + sqlite3_mutex_enter(mainmtx); p = &sqllogglobal.aConn[sqllogglobal.nConn++]; p->fd = 0; p->db = db; p->iLog = sqllogglobal.iNextLog++; - sqlite3_mutex_leave(master); + sqlite3_mutex_leave(mainmtx); /* Open the log and take a copy of the main database file */ sqllogOpenlog(p); @@ -507,7 +507,7 @@ static void testSqllog(void *pCtx, sqlite3 *db, const char *zSql, int eType){ /* A database handle close command */ if( eType==2 ){ - sqlite3_mutex_enter(master); + sqlite3_mutex_enter(mainmtx); if( i<sqllogglobal.nConn ){ if( p->fd ) fclose(p->fd); p->db = 0; @@ -524,7 +524,7 @@ static void testSqllog(void *pCtx, sqlite3 *db, const char *zSql, int eType){ memmove(p, &p[1], nShift*sizeof(struct SLConn)); } } - sqlite3_mutex_leave(master); + sqlite3_mutex_leave(mainmtx); /* An ordinary SQL command. */ }else if( i<sqllogglobal.nConn && p->fd ){ diff --git a/src/vdbe.c b/src/vdbe.c index 772725851..2bb3f7b8c 100644 --- a/src/vdbe.c +++ b/src/vdbe.c @@ -6075,7 +6075,7 @@ case OP_SqlExec: { */ case OP_ParseSchema: { int iDb; - const char *zMaster; + const char *zSchema; char *zSql; InitData initData; @@ -6103,14 +6103,14 @@ case OP_ParseSchema: { }else #endif { - zMaster = DFLT_SCHEMA_TABLE; + zSchema = DFLT_SCHEMA_TABLE; initData.db = db; initData.iDb = iDb; initData.pzErrMsg = &p->zErrMsg; initData.mInitFlags = 0; zSql = sqlite3MPrintf(db, "SELECT*FROM\"%w\".%s WHERE %s ORDER BY rowid", - db->aDb[iDb].zDbSName, zMaster, pOp->p4.z); + db->aDb[iDb].zDbSName, zSchema, pOp->p4.z); if( zSql==0 ){ rc = SQLITE_NOMEM_BKPT; }else{ diff --git a/src/vdbeaux.c b/src/vdbeaux.c index a07a5f4bd..b0a25ad8d 100644 --- a/src/vdbeaux.c +++ b/src/vdbeaux.c @@ -2745,7 +2745,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ sqlite3_vfs *pVfs = db->pVfs; char *zSuper = 0; /* File-name for the super-journal */ char const *zMainFile = sqlite3BtreeGetFilename(db->aDb[0].pBt); - sqlite3_file *pMaster = 0; + sqlite3_file *pSuperJrnl = 0; i64 offset = 0; int res; int retryCount = 0; @@ -2779,9 +2779,9 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ }while( rc==SQLITE_OK && res ); if( rc==SQLITE_OK ){ /* Open the super-journal. */ - rc = sqlite3OsOpenMalloc(pVfs, zSuper, &pMaster, + rc = sqlite3OsOpenMalloc(pVfs, zSuper, &pSuperJrnl, SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE| - SQLITE_OPEN_EXCLUSIVE|SQLITE_OPEN_MASTER_JOURNAL, 0 + SQLITE_OPEN_EXCLUSIVE|SQLITE_OPEN_SUPER_JOURNAL, 0 ); } if( rc!=SQLITE_OK ){ @@ -2803,10 +2803,10 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ continue; /* Ignore TEMP and :memory: databases */ } assert( zFile[0]!=0 ); - rc = sqlite3OsWrite(pMaster, zFile, sqlite3Strlen30(zFile)+1, offset); + rc = sqlite3OsWrite(pSuperJrnl, zFile, sqlite3Strlen30(zFile)+1,offset); offset += sqlite3Strlen30(zFile)+1; if( rc!=SQLITE_OK ){ - sqlite3OsCloseFree(pMaster); + sqlite3OsCloseFree(pSuperJrnl); sqlite3OsDelete(pVfs, zSuper, 0); sqlite3DbFree(db, zSuper-4); return rc; @@ -2817,10 +2817,10 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ /* Sync the super-journal file. If the IOCAP_SEQUENTIAL device ** flag is set this is not required. */ - if( 0==(sqlite3OsDeviceCharacteristics(pMaster)&SQLITE_IOCAP_SEQUENTIAL) - && SQLITE_OK!=(rc = sqlite3OsSync(pMaster, SQLITE_SYNC_NORMAL)) + if( 0==(sqlite3OsDeviceCharacteristics(pSuperJrnl)&SQLITE_IOCAP_SEQUENTIAL) + && SQLITE_OK!=(rc = sqlite3OsSync(pSuperJrnl, SQLITE_SYNC_NORMAL)) ){ - sqlite3OsCloseFree(pMaster); + sqlite3OsCloseFree(pSuperJrnl); sqlite3OsDelete(pVfs, zSuper, 0); sqlite3DbFree(db, zSuper-4); return rc; @@ -2842,7 +2842,7 @@ static int vdbeCommit(sqlite3 *db, Vdbe *p){ rc = sqlite3BtreeCommitPhaseOne(pBt, zSuper); } } - sqlite3OsCloseFree(pMaster); + sqlite3OsCloseFree(pSuperJrnl); assert( rc!=SQLITE_BUSY ); if( rc!=SQLITE_OK ){ sqlite3DbFree(db, zSuper-4); diff --git a/src/window.c b/src/window.c index a468c153c..8656f51b0 100644 --- a/src/window.c +++ b/src/window.c @@ -953,7 +953,7 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){ ExprList *pSort = 0; ExprList *pSublist = 0; /* Expression list for sub-query */ - Window *pMWin = p->pWin; /* Master window object */ + Window *pMWin = p->pWin; /* Main window object */ Window *pWin; /* Window object iterator */ Table *pTab; Walker w; |