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Remove dataType and includeTypes flags from function definitions. Added new

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P3_FUNCDEF type for P3 arguments on opcodes.  Fixes to several user functions.
28 tests fail now. (CVS 1464)

FossilOrigin-Name: 36e031625995b2f7baf7654d771ca8fb764a0085
This commit is contained in:
drh
2004-05-26 16:54:42 +00:00
parent b77f5dadbf
commit f9b596ebc0
13 changed files with 271 additions and 291 deletions
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28
src/expr.c
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@@ -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 1.127 2004/05/21 13:39:51 drh Exp $
** $Id: expr.c,v 1.128 2004/05/26 16:54:43 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -503,7 +503,6 @@ int sqlite3IsRowid(const char *z){
** pExpr->iTable Set to the cursor number for the table obtained
** from pSrcList.
** pExpr->iColumn Set to the column number within the table.
** pExpr->dataType Set to the appropriate data type for the column.
** pExpr->op Set to TK_COLUMN.
** pExpr->pLeft Any expression this points to is deleted
** pExpr->pRight Any expression this points to is deleted.
@@ -1224,13 +1223,13 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
getFunctionName(pExpr, &zId, &nId);
pDef = sqlite3FindFunction(pParse->db, zId, nId, nExpr, 0);
assert( pDef!=0 );
nExpr = sqlite3ExprCodeExprList(pParse, pList, pDef->includeTypes);
nExpr = sqlite3ExprCodeExprList(pParse, pList);
/* FIX ME: The following is a temporary hack. */
if( 0==sqlite3StrNICmp(zId, "classof", nId) ){
assert( nExpr==1 );
sqlite3VdbeAddOp(v, OP_Class, nExpr, 0);
}else{
sqlite3VdbeOp3(v, OP_Function, nExpr, 0, (char*)pDef, P3_POINTER);
sqlite3VdbeOp3(v, OP_Function, nExpr, 0, (char*)pDef, P3_FUNCDEF);
}
break;
}
@@ -1346,16 +1345,13 @@ void sqlite3ExprCode(Parse *pParse, Expr *pExpr){
/*
** Generate code that pushes the value of every element of the given
** expression list onto the stack. If the includeTypes flag is true,
** then also push a string that is the datatype of each element onto
** the stack after the value.
** expression list onto the stack.
**
** Return the number of elements pushed onto the stack.
*/
int sqlite3ExprCodeExprList(
Parse *pParse, /* Parsing context */
ExprList *pList, /* The expression list to be coded */
int includeTypes /* TRUE to put datatypes on the stack too */
ExprList *pList /* The expression list to be coded */
){
struct ExprList_item *pItem;
int i, n;
@@ -1365,12 +1361,8 @@ int sqlite3ExprCodeExprList(
n = pList->nExpr;
for(pItem=pList->a, i=0; i<n; i++, pItem++){
sqlite3ExprCode(pParse, pItem->pExpr);
if( includeTypes ){
/** DEPRECATED. This will go away with the new function interface **/
sqlite3VdbeOp3(v, OP_String, 0, 0, "numeric", P3_STATIC);
}
}
return includeTypes ? n*2 : n;
return n;
}
/*
@@ -1714,11 +1706,13 @@ FuncDef *sqlite3FindFunction(
assert( createFlag==0 );
return pMaybe;
}
if( p==0 && createFlag && (p = sqliteMalloc(sizeof(*p)))!=0 ){
if( p==0 && createFlag && (p = sqliteMalloc(sizeof(*p)+nName+1))!=0 ){
p->nArg = nArg;
p->pNext = pFirst;
p->dataType = pFirst ? pFirst->dataType : SQLITE_NUMERIC;
sqlite3HashInsert(&db->aFunc, zName, nName, (void*)p);
p->zName = (char*)&p[1];
memcpy(p->zName, zName, nName);
p->zName[nName] = 0;
sqlite3HashInsert(&db->aFunc, p->zName, nName, (void*)p);
}
return p;
}