Raise the hard upper bound on SQLITE_MAX_FUNCTION_ARG to 1000 from 100.

The default upper bound is still 100, but it can now be raised as high
as 1000 at compile-time. (CVS 5780)

FossilOrigin-Name: 79df72ee836db91647913055ba6cf55558679b01

manifest

@@ -1,5 +1,5 @@
-C Remove\sthe\sSQLITE_MUTEX_APPDEF\scompile-time\soption.\s\sThe\sSQLITE_THREADSAFE=0\noption\salways\sremoves\sall\smutex\scode.\s\sFor\sapplication-defined\smutexes\sonly,\nuse\sSQLITE_THREADSAFE=1\swith\sSQLITE_MUTEX_NOOP=1.\s\sTicket\s#3421.\s(CVS\s5779)
-D 2008-10-07T15:25:48
+C Raise\sthe\shard\supper\sbound\son\sSQLITE_MAX_FUNCTION_ARG\sto\s1000\sfrom\s100.\nThe\sdefault\supper\sbound\sis\sstill\s100,\sbut\sit\scan\snow\sbe\sraised\sas\shigh\nas\s1000\sat\scompile-time.\s(CVS\s5780)
+D 2008-10-07T19:53:14
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 7fc26e087207e7a4a7723583dbd7997477af3b13
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -107,7 +107,7 @@ F src/callback.c 7a40fd44da3eb89e7f6eff30aa6f940c45d73a97
 F src/complete.c cb14e06dbe79dee031031f0d9e686ff306afe07c
 F src/date.c 1b1fc801df40aae891bff8b03f65313df192d677
 F src/delete.c 7c9183a17b93b79dabbbc7cdb2159972d052b5a0
-F src/expr.c 30973b017bf95ca767f5eec64918c8afc425488d
+F src/expr.c 0ceafeff3a4e0f460d6a7695a675ae12391e313d
 F src/fault.c dc88c821842157460750d2d61a8a8b4197d047ff
 F src/func.c 8431b40a7843d1024145684d303c55b4ee087bbe
 F src/global.c 20a3fe46c8287a01ba3a7442558f0eb70c66b19a
@@ -118,7 +118,7 @@ F src/insert.c 110cca7845ed5a66c08fdd413b02e706ae34455f
 F src/journal.c cffd2cd214e58c0e99c3ff632b3bee6c7cbb260e
 F src/legacy.c aac57bd984e666059011ea01ec4383892a253be3
 F src/loadext.c cadd5df14bcda5ef0c26d815eb609a755861923e
-F src/main.c 48e2ff96b1e6efdc144f4bcaa737621f7273a3b1
+F src/main.c fccd1a32306147aa751d4aaacec8fecfe4a34d1c
 F src/malloc.c 31f4ca218f4b664dce45ef9c4f1fcd2929c67a42
 F src/mem1.c 5a529ff121c55ab067be14de00f86f6dcc4f4fb9
 F src/mem2.c f87e681d0d1ed8436870d089332ed0d27d885b5c
@@ -148,11 +148,11 @@ F src/prepare.c c7e00ed1b0bdcf699b1aad651247d4dc3d281b0b
 F src/printf.c 785f87120589c1db672e37c6eb1087c456e6f84d
 F src/random.c a87afbd598aa877e23ac676ee92fd8ee5c786a51
 F src/resolve.c 1971ff6996f1a73303339acf7f1de8497546045d
-F src/select.c c1c555ee714c61db92b2688b307a0145d7405122
+F src/select.c d910d7350df0d918e22286c5bfd39d4ea68ec813
 F src/shell.c d83b578a8ccdd3e0e7fef4388a0887ce9f810967
 F src/sqlite.h.in ea235b37a691b32e7941baa70fb0afaf6377dbb4
 F src/sqlite3ext.h 1e3887c9bd3ae66cb599e922824b04cd0d0f2c3e
-F src/sqliteInt.h d7d1c122acd525994d7a69f0ce521626473bf9f0
+F src/sqliteInt.h 0d6bac3e25f0f37bac0efa4ed115d226c9252ba5
 F src/sqliteLimit.h f435e728c6b620ef7312814d660a81f9356eb5c8
 F src/status.c 237b193efae0cf6ac3f0817a208de6c6c6ef6d76
 F src/table.c 22744786199c9195720c15a7a42cb97b2e2728d8
@@ -190,7 +190,7 @@ F src/update.c 206fffc877379affe3a9b42c78e478ea0874c9fe
 F src/utf.c c63e6f69082f85c19ab88d62dedaf91d71ac1a50
 F src/util.c afe659ccc05d1f8af9e8631dabfec3ee3a7144af
 F src/vacuum.c fd77433d0c26d3ff1eb96eab017a1787ac5aa642
-F src/vdbe.c c9499f1824049cfef00a6146ef832b742f477920
+F src/vdbe.c b1c79e640b23e4e592f02719d70910ded09e4037
 F src/vdbe.h 41c99aaad9167c1b5431993db446de74b2f71fc3
 F src/vdbeInt.h b48c74d86a9fb62b707a3186ccca76bb32f1c6be
 F src/vdbeapi.c 8f194355e0270f236838d5b2a3af3ae3572adf44
@@ -641,7 +641,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P 7d55ec374d62c6d3d588949b96e194920083fe4e
-R 1635239c5f5cf9fdcf5c2cf2ba05eee1
+P 02a12eb1cfe9307c66556105a1a99d657cc01ab5
+R 5472677a4096378b94ede8934c9bcd72
 U drh
-Z 038b5cd7b8b898745d7ab0f99c550ee3
+Z a3cb5746d8ce1de551ab384e92396b35

manifest.uuid

@@ -1 +1 @@
-02a12eb1cfe9307c66556105a1a99d657cc01ab5
+79df72ee836db91647913055ba6cf55558679b01

src/expr.c

@@ -12,7 +12,7 @@
 ** This file contains routines used for analyzing expressions and
 ** for generating VDBE code that evaluates expressions in SQLite.
 **
-** $Id: expr.c,v 1.397 2008/10/06 05:32:19 danielk1977 Exp $
+** $Id: expr.c,v 1.398 2008/10/07 19:53:14 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -2030,11 +2030,11 @@ int sqlite3ExprCodeTarget(Parse *pParse, Expr *pExpr, int target){
         if( sqlite3ExprIsConstant(pList->a[i].pExpr) ){
           constMask |= (1<<i);
         }
-        if( pDef->needCollSeq && !pColl ){
+        if( (pDef->flags & SQLITE_FUNC_NEEDCOLL)!=0 && !pColl ){
           pColl = sqlite3ExprCollSeq(pParse, pList->a[i].pExpr);
         }
       }
-      if( pDef->needCollSeq ){
+      if( pDef->flags & SQLITE_FUNC_NEEDCOLL ){
         if( !pColl ) pColl = db->pDfltColl; 
         sqlite3VdbeAddOp4(v, OP_CollSeq, 0, 0, 0, (char *)pColl, P4_COLLSEQ);
       }

src/main.c

@@ -14,7 +14,7 @@
 ** other files are for internal use by SQLite and should not be
 ** accessed by users of the library.
 **
-** $Id: main.c,v 1.503 2008/10/07 15:25:48 drh Exp $
+** $Id: main.c,v 1.504 2008/10/07 19:53:14 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -1383,8 +1383,8 @@ static const int aHardLimit[] = {
 #if SQLITE_MAX_VDBE_OP<40
 # error SQLITE_MAX_VDBE_OP must be at least 40
 #endif
-#if SQLITE_MAX_FUNCTION_ARG<0 || SQLITE_MAX_FUNCTION_ARG>127
-# error SQLITE_MAX_FUNCTION_ARG must be between 0 and 127
+#if SQLITE_MAX_FUNCTION_ARG<0 || SQLITE_MAX_FUNCTION_ARG>1000
+# error SQLITE_MAX_FUNCTION_ARG must be between 0 and 1000
 #endif
 #if SQLITE_MAX_ATTACHED<0 || SQLITE_MAX_ATTACHED>30
 # error SQLITE_MAX_ATTACHED must be between 0 and 30

src/select.c

@@ -12,7 +12,7 @@
 ** This file contains C code routines that are called by the parser
 ** to handle SELECT statements in SQLite.
 **
-** $Id: select.c,v 1.479 2008/10/07 01:18:59 shane Exp $
+** $Id: select.c,v 1.480 2008/10/07 19:53:14 drh Exp $
 */
 #include "sqliteInt.h"
 
@@ -3355,11 +3355,11 @@ static void updateAccumulator(Parse *pParse, AggInfo *pAggInfo){
       assert( nArg==1 );
       codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg);
     }
-    if( pF->pFunc->needCollSeq ){
+    if( pF->pFunc->flags & SQLITE_FUNC_NEEDCOLL ){
       CollSeq *pColl = 0;
       struct ExprList_item *pItem;
       int j;
-      assert( pList!=0 );  /* pList!=0 if pF->pFunc->needCollSeq is true */
+      assert( pList!=0 );  /* pList!=0 if pF->pFunc has NEEDCOLL */
       for(j=0, pItem=pList->a; !pColl && j<nArg; j++, pItem++){
         pColl = sqlite3ExprCollSeq(pParse, pItem->pExpr);
       }

src/sqliteInt.h

@@ -11,7 +11,7 @@
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.777 2008/10/07 15:25:49 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.778 2008/10/07 19:53:14 drh Exp $
 */
 #ifndef _SQLITEINT_H_
 #define _SQLITEINT_H_
@@ -798,9 +798,8 @@ struct sqlite3 {
 ** points to a linked list of these structures.
 */
 struct FuncDef {
-  i8 nArg;             /* Number of arguments.  -1 means unlimited */
+  i16 nArg;            /* Number of arguments.  -1 means unlimited */
   u8 iPrefEnc;         /* Preferred text encoding (SQLITE_UTF8, 16LE, 16BE) */
-  u8 needCollSeq;      /* True if sqlite3GetFuncCollSeq() might be called */
   u8 flags;            /* Some combination of SQLITE_FUNC_* */
   void *pUserData;     /* User data parameter */
   FuncDef *pNext;      /* Next function with same name */
@@ -814,9 +813,10 @@ struct FuncDef {
 /*
 ** Possible values for FuncDef.flags
 */
-#define SQLITE_FUNC_LIKE     0x01  /* Candidate for the LIKE optimization */
-#define SQLITE_FUNC_CASE     0x02  /* Case-sensitive LIKE-type function */
-#define SQLITE_FUNC_EPHEM    0x04  /* Ephermeral.  Delete with VDBE */
+#define SQLITE_FUNC_LIKE     0x01 /* Candidate for the LIKE optimization */
+#define SQLITE_FUNC_CASE     0x02 /* Case-sensitive LIKE-type function */
+#define SQLITE_FUNC_EPHEM    0x04 /* Ephermeral.  Delete with VDBE */
+#define SQLITE_FUNC_NEEDCOLL 0x08 /* sqlite3GetFuncCollSeq() might be called */
 
 /*
 ** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
@@ -844,11 +844,11 @@ struct FuncDef {
 **     parameter.
 */
 #define FUNCTION(zName, nArg, iArg, bNC, xFunc) \
-  {nArg, SQLITE_UTF8, bNC, 0, SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, #zName}
+  {nArg, SQLITE_UTF8, bNC*8, SQLITE_INT_TO_PTR(iArg), 0, xFunc, 0, 0, #zName}
 #define LIKEFUNC(zName, nArg, arg, flags) \
-  {nArg, SQLITE_UTF8, 0, flags, (void *)arg, 0, likeFunc, 0, 0, #zName}
+  {nArg, SQLITE_UTF8, flags, (void *)arg, 0, likeFunc, 0, 0, #zName}
 #define AGGREGATE(zName, nArg, arg, nc, xStep, xFinal) \
-  {nArg, SQLITE_UTF8, nc, 0, SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal, #zName}
+  {nArg, SQLITE_UTF8, nc*8, SQLITE_INT_TO_PTR(arg), 0, 0, xStep,xFinal, #zName}
 
 
 /*

src/vdbe.c

@@ -43,7 +43,7 @@
 ** in this file for details.  If in doubt, do not deviate from existing
 ** commenting and indentation practices when changing or adding code.
 **
-** $Id: vdbe.c,v 1.779 2008/09/22 06:13:32 danielk1977 Exp $
+** $Id: vdbe.c,v 1.780 2008/10/07 19:53:14 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -1322,7 +1322,7 @@ case OP_Function: {
   MemSetTypeFlag(&ctx.s, MEM_Null);
 
   ctx.isError = 0;
-  if( ctx.pFunc->needCollSeq ){
+  if( ctx.pFunc->flags & SQLITE_FUNC_NEEDCOLL ){
     assert( pOp>p->aOp );
     assert( pOp[-1].p4type==P4_COLLSEQ );
     assert( pOp[-1].opcode==OP_CollSeq );
@@ -4434,7 +4434,7 @@ case OP_AggStep: {
   ctx.s.db = db;
   ctx.isError = 0;
   ctx.pColl = 0;
-  if( ctx.pFunc->needCollSeq ){
+  if( ctx.pFunc->flags & SQLITE_FUNC_NEEDCOLL ){
     assert( pOp>p->aOp );
     assert( pOp[-1].p4type==P4_COLLSEQ );
     assert( pOp[-1].opcode==OP_CollSeq );