diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/build.c | 9 | ||||
-rw-r--r-- | src/global.c | 3 | ||||
-rw-r--r-- | src/main.c | 7 | ||||
-rw-r--r-- | src/resolve.c | 29 | ||||
-rw-r--r-- | src/select.c | 16 | ||||
-rw-r--r-- | src/shell.c.in | 5 | ||||
-rw-r--r-- | src/sqlite.h.in | 11 | ||||
-rw-r--r-- | src/sqliteInt.h | 14 | ||||
-rw-r--r-- | src/test_config.c | 8 |
9 files changed, 90 insertions, 12 deletions
diff --git a/src/build.c b/src/build.c index 15f8fe1d2..e7c23c173 100644 --- a/src/build.c +++ b/src/build.c @@ -3006,9 +3006,12 @@ void sqlite3CreateView( ** on a view, even though views do not have rowids. The following flag ** setting fixes this problem. But the fix can be disabled by compiling ** with -DSQLITE_ALLOW_ROWID_IN_VIEW in case there are legacy apps that - ** depend upon the old buggy behavior. */ -#ifndef SQLITE_ALLOW_ROWID_IN_VIEW - p->tabFlags |= TF_NoVisibleRowid; + ** depend upon the old buggy behavior. The ability can also be toggled + ** using SQLITE_CONFIG_NO_ROWID_IN_VIEW */ +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + p->tabFlags |= sqlite3Config.mNoVisibleRowid; /* Optional. Allow by default */ +#else + p->tabFlags |= TF_NoVisibleRowid; /* Never allow rowid in view */ #endif sqlite3TwoPartName(pParse, pName1, pName2, &pName); diff --git a/src/global.c b/src/global.c index 7f27d91d1..121b3f6d6 100644 --- a/src/global.c +++ b/src/global.c @@ -289,6 +289,9 @@ SQLITE_WSD struct Sqlite3Config sqlite3Config = { #ifndef SQLITE_UNTESTABLE 0, /* xTestCallback */ #endif +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + 0, /* mNoVisibleRowid. 0 == allow rowid-in-view */ +#endif 0, /* bLocaltimeFault */ 0, /* xAltLocaltime */ 0x7ffffffe, /* iOnceResetThreshold */ diff --git a/src/main.c b/src/main.c index 03429983d..6c8ae5b28 100644 --- a/src/main.c +++ b/src/main.c @@ -765,6 +765,13 @@ int sqlite3_config(int op, ...){ } #endif /* SQLITE_OMIT_DESERIALIZE */ + case SQLITE_CONFIG_NO_ROWID_IN_VIEW: { +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + sqlite3GlobalConfig.mNoVisibleRowid = TF_NoVisibleRowid; +#endif + break; + } + default: { rc = SQLITE_ERROR; break; diff --git a/src/resolve.c b/src/resolve.c index 2a128199d..6e0c9906a 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -469,8 +469,37 @@ static int lookupName( } } if( 0==cnt && VisibleRowid(pTab) ){ + /* pTab is a potential ROWID match. Keep track of it and match + ** the ROWID later if that seems appropriate. (Search for "cntTab" + ** to find related code.) Only allow a ROWID match if there is + ** a single ROWID match candidate. + */ +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + /* In SQLITE_ALLOW_ROWID_IN_VIEW mode, allow a ROWID match + ** if there is a single VIEW candidate or if there is a single + ** non-VIEW candidate plus multiple VIEW candidates. In other + ** words non-VIEW candidate terms take precedence over VIEWs. + */ + if( cntTab==0 + || (cntTab==1 + && ALWAYS(pMatch!=0) + && ALWAYS(pMatch->pTab!=0) + && (pMatch->pTab->tabFlags & TF_Ephemeral)!=0 + && (pTab->tabFlags & TF_Ephemeral)==0) + ){ + cntTab = 1; + pMatch = pItem; + }else{ + cntTab++; + } +#else + /* The (much more common) non-SQLITE_ALLOW_ROWID_IN_VIEW case is + ** simpler since we require exactly one candidate, which will + ** always be a non-VIEW + */ cntTab++; pMatch = pItem; +#endif } } if( pMatch ){ diff --git a/src/select.c b/src/select.c index 1085b9943..f71b71551 100644 --- a/src/select.c +++ b/src/select.c @@ -1953,11 +1953,7 @@ static const char *columnTypeImpl( ** data for the result-set column of the sub-select. */ if( iCol<pS->pEList->nExpr -#ifdef SQLITE_ALLOW_ROWID_IN_VIEW - && iCol>=0 -#else - && ALWAYS(iCol>=0) -#endif + && (!ViewCanHaveRowid || iCol>=0) ){ /* If iCol is less than zero, then the expression requests the ** rowid of the sub-select or view. This expression is legal (see @@ -5874,7 +5870,8 @@ int sqlite3ExpandSubquery(Parse *pParse, SrcItem *pFrom){ /* The usual case - do not allow ROWID on a subquery */ pTab->tabFlags |= TF_Ephemeral | TF_NoVisibleRowid; #else - pTab->tabFlags |= TF_Ephemeral; /* Legacy compatibility mode */ + /* Legacy compatibility mode */ + pTab->tabFlags |= TF_Ephemeral | sqlite3Config.mNoVisibleRowid; #endif return pParse->nErr ? SQLITE_ERROR : SQLITE_OK; } @@ -6142,7 +6139,7 @@ static int selectExpander(Walker *pWalker, Select *p){ pNestedFrom = pFrom->pSelect->pEList; assert( pNestedFrom!=0 ); assert( pNestedFrom->nExpr==pTab->nCol ); - assert( VisibleRowid(pTab)==0 ); + assert( VisibleRowid(pTab)==0 || ViewCanHaveRowid ); }else{ if( zTName && sqlite3StrICmp(zTName, zTabName)!=0 ){ continue; @@ -6174,7 +6171,8 @@ static int selectExpander(Walker *pWalker, Select *p){ pUsing = 0; } - nAdd = pTab->nCol + (VisibleRowid(pTab) && (selFlags&SF_NestedFrom)); + nAdd = pTab->nCol; + if( VisibleRowid(pTab) && (selFlags & SF_NestedFrom)!=0 ) nAdd++; for(j=0; j<nAdd; j++){ const char *zName; struct ExprList_item *pX; /* Newly added ExprList term */ @@ -6256,7 +6254,7 @@ static int selectExpander(Walker *pWalker, Select *p){ pX = &pNew->a[pNew->nExpr-1]; assert( pX->zEName==0 ); if( (selFlags & SF_NestedFrom)!=0 && !IN_RENAME_OBJECT ){ - if( pNestedFrom ){ + if( pNestedFrom && j<pNestedFrom->nExpr ){ pX->zEName = sqlite3DbStrDup(db, pNestedFrom->a[j].zEName); testcase( pX->zEName==0 ); }else{ diff --git a/src/shell.c.in b/src/shell.c.in index 9fdf90952..9a86a0665 100644 --- a/src/shell.c.in +++ b/src/shell.c.in @@ -12058,6 +12058,7 @@ static const char zOptions[] = " -newline SEP set output row separator. Default: '\\n'\n" " -nofollow refuse to open symbolic links to database files\n" " -nonce STRING set the safe-mode escape nonce\n" + " -no-rowid-in-view Disable rowid-in-view using sqlite3_config()\n" " -nullvalue TEXT set text string for NULL values. Default ''\n" " -pagecache SIZE N use N slots of SZ bytes each for page cache memory\n" " -pcachetrace trace all page cache operations\n" @@ -12348,6 +12349,8 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){ stdin_is_interactive = 0; }else if( cli_strcmp(z,"-utf8")==0 ){ }else if( cli_strcmp(z,"-no-utf8")==0 ){ + }else if( cli_strcmp(z,"-no-rowid-in-view")==0 ){ + sqlite3_config(SQLITE_CONFIG_NO_ROWID_IN_VIEW); }else if( cli_strcmp(z,"-heap")==0 ){ #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) const char *zSize; @@ -12623,6 +12626,8 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){ /* already handled */ }else if( cli_strcmp(z,"-no-utf8")==0 ){ /* already handled */ + }else if( cli_strcmp(z,"-no-rowid-in-view")==0 ){ + /* already handled */ }else if( cli_strcmp(z,"-heap")==0 ){ i++; }else if( cli_strcmp(z,"-pagecache")==0 ){ diff --git a/src/sqlite.h.in b/src/sqlite.h.in index e05d7b231..9c9a78c45 100644 --- a/src/sqlite.h.in +++ b/src/sqlite.h.in @@ -2143,6 +2143,16 @@ struct sqlite3_mem_methods { ** configuration setting is never used, then the default maximum is determined ** by the [SQLITE_MEMDB_DEFAULT_MAXSIZE] compile-time option. If that ** compile-time option is not set, then the default maximum is 1073741824. +** +** [[SQLITE_CONFIG_NO_ROWID_IN_VIEW]] +** <dt>SQLITE_CONFIG_NO_ROWID_IN_VIEW +** <dd>The SQLITE_CONFIG_NO_ROWID_IN_VIEW option prohibits VIEWs from having +** a ROWID. This is the default behavior and so test sqlite_config() option +** is normally a no-op. However, if SQLite is compiled with the +** -DSQLITE_ALLOW_ROWID_IN_VIEW option (not recommended!) then this configuration +** option will disable that capability and make SQLite operate as it normally +** would given default the default compile-time options. Once ROWIDs in VIEWs +** have been disabled using this option, they cannot be reenabled. ** </dl> */ #define SQLITE_CONFIG_SINGLETHREAD 1 /* nil */ @@ -2174,6 +2184,7 @@ struct sqlite3_mem_methods { #define SQLITE_CONFIG_SMALL_MALLOC 27 /* boolean */ #define SQLITE_CONFIG_SORTERREF_SIZE 28 /* int nByte */ #define SQLITE_CONFIG_MEMDB_MAXSIZE 29 /* sqlite3_int64 */ +#define SQLITE_CONFIG_NO_ROWID_IN_VIEW 30 /* nil */ /* ** CAPI3REF: Database Connection Configuration Options diff --git a/src/sqliteInt.h b/src/sqliteInt.h index db1ede8e6..dba64c71b 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -2535,6 +2535,15 @@ struct Table { #define HasRowid(X) (((X)->tabFlags & TF_WithoutRowid)==0) #define VisibleRowid(X) (((X)->tabFlags & TF_NoVisibleRowid)==0) +/* Macro is true if the SQLITE_ALLOW_ROWID_IN_VIEW (mis-)feature is +** available. By default, this macro is false +*/ +#ifndef SQLITE_ALLOW_ROWID_IN_VIEW +# define ViewCanHaveRowid 0 +#else +# define ViewCanHaveRowid (sqlite3Config.mNoVisibleRowid==0) +#endif + /* ** Each foreign key constraint is an instance of the following structure. ** @@ -4254,6 +4263,11 @@ struct Sqlite3Config { #ifndef SQLITE_UNTESTABLE int (*xTestCallback)(int); /* Invoked by sqlite3FaultSim() */ #endif +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + u32 mNoVisibleRowid; /* TF_NoVisibleRowid if the ROWID_IN_VIEW + ** feature is disabled. 0 if rowids can + ** occur in views. */ +#endif int bLocaltimeFault; /* True to fail localtime() calls */ int (*xAltLocaltime)(const void*,void*); /* Alternative localtime() routine */ int iOnceResetThreshold; /* When to reset OP_Once counters */ diff --git a/src/test_config.c b/src/test_config.c index ee766a26d..76904e5bf 100644 --- a/src/test_config.c +++ b/src/test_config.c @@ -59,6 +59,14 @@ static void set_options(Tcl_Interp *interp){ Tcl_SetVar2(interp, "sqlite_options", "rowid32", "0", TCL_GLOBAL_ONLY); #endif +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + Tcl_SetVar2( + interp, "sqlite_options", "allow_rowid_in_view", "1", TCL_GLOBAL_ONLY); +#else + Tcl_SetVar2( + interp, "sqlite_options", "allow_rowid_in_view", "0", TCL_GLOBAL_ONLY); +#endif + #ifdef SQLITE_CASE_SENSITIVE_LIKE Tcl_SetVar2(interp, "sqlite_options","casesensitivelike","1",TCL_GLOBAL_ONLY); #else |