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:-) (CVS 104)

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FossilOrigin-Name: e1bf96a467b739373191bf75e6a097fc0f24bffc
This commit is contained in:
drh
2000-06-21 13:59:10 +00:00
parent 7ed19903c9
commit 967e8b7351
25 changed files with 677 additions and 547 deletions
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60
src/insert.c
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@@ -24,7 +24,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements.
**
** $Id: insert.c,v 1.10 2000/06/17 13:12:40 drh Exp $
** $Id: insert.c,v 1.11 2000/06/21 13:59:12 drh Exp $
*/
#include "sqliteInt.h"
@@ -36,7 +36,7 @@
**
** The IDLIST following the table name is always optional. If omitted,
** then a list of all columns for the table is substituted. The IDLIST
** appears in the pField parameter. pField is NULL if IDLIST is omitted.
** appears in the pColumn parameter. pColumn is NULL if IDLIST is omitted.
**
** The pList parameter holds EXPRLIST in the first form of the INSERT
** statement above, and pSelect is NULL. For the second form, pList is
@@ -48,7 +48,7 @@ void sqliteInsert(
Token *pTableName, /* Name of table into which we are inserting */
ExprList *pList, /* List of values to be inserted */
Select *pSelect, /* A SELECT statement to use as the data source */
IdList *pField /* Field names corresponding to IDLIST. */
IdList *pColumn /* Column names corresponding to IDLIST. */
){
Table *pTab; /* The table to insert into */
char *zTab; /* Name of the table into which we are inserting */
@@ -56,7 +56,7 @@ void sqliteInsert(
Vdbe *v; /* Generate code into this virtual machine */
Index *pIdx; /* For looping over indices of the table */
int srcTab; /* Date comes from this temporary cursor if >=0 */
int nField; /* Number of columns in the data */
int nColumn; /* Number of columns in the data */
int base; /* First available cursor */
int iCont, iBreak; /* Beginning and end of the loop over srcTab */
@@ -96,20 +96,20 @@ void sqliteInsert(
rc = sqliteSelect(pParse, pSelect, SRT_Table, srcTab);
if( rc ) goto insert_cleanup;
assert( pSelect->pEList );
nField = pSelect->pEList->nExpr;
nColumn = pSelect->pEList->nExpr;
}else{
srcTab = -1;
assert( pList );
nField = pList->nExpr;
nColumn = pList->nExpr;
}
/* Make sure the number of columns in the source data matches the number
** of columns to be inserted into the table.
*/
if( pField==0 && nField!=pTab->nCol ){
if( pColumn==0 && nColumn!=pTab->nCol ){
char zNum1[30];
char zNum2[30];
sprintf(zNum1,"%d", nField);
sprintf(zNum1,"%d", nColumn);
sprintf(zNum2,"%d", pTab->nCol);
sqliteSetString(&pParse->zErrMsg, "table ", pTab->zName,
" has ", zNum2, " columns but ",
@@ -117,11 +117,11 @@ void sqliteInsert(
pParse->nErr++;
goto insert_cleanup;
}
if( pField!=0 && nField!=pField->nId ){
if( pColumn!=0 && nColumn!=pColumn->nId ){
char zNum1[30];
char zNum2[30];
sprintf(zNum1,"%d", nField);
sprintf(zNum2,"%d", pField->nId);
sprintf(zNum1,"%d", nColumn);
sprintf(zNum2,"%d", pColumn->nId);
sqliteSetString(&pParse->zErrMsg, zNum1, " values for ",
zNum2, " columns", 0);
pParse->nErr++;
@@ -132,20 +132,20 @@ void sqliteInsert(
** all elements of the IDLIST really are columns of the table and
** remember the column indices.
*/
if( pField ){
for(i=0; i<pField->nId; i++){
pField->a[i].idx = -1;
if( pColumn ){
for(i=0; i<pColumn->nId; i++){
pColumn->a[i].idx = -1;
}
for(i=0; i<pField->nId; i++){
for(i=0; i<pColumn->nId; i++){
for(j=0; j<pTab->nCol; j++){
if( sqliteStrICmp(pField->a[i].zName, pTab->aCol[j].zName)==0 ){
pField->a[i].idx = j;
if( sqliteStrICmp(pColumn->a[i].zName, pTab->aCol[j].zName)==0 ){
pColumn->a[i].idx = j;
break;
}
}
if( j>=pTab->nCol ){
sqliteSetString(&pParse->zErrMsg, "table ", pTab->zName,
" has no column named ", pField->a[i].zName, 0);
" has no column named ", pColumn->a[i].zName, 0);
pParse->nErr++;
goto insert_cleanup;
}
@@ -179,14 +179,14 @@ void sqliteInsert(
sqliteVdbeAddOp(v, OP_Dup, 0, 0, 0, 0);
}
for(i=0; i<pTab->nCol; i++){
if( pField==0 ){
if( pColumn==0 ){
j = i;
}else{
for(j=0; j<pField->nId; j++){
if( pField->a[j].idx==i ) break;
for(j=0; j<pColumn->nId; j++){
if( pColumn->a[j].idx==i ) break;
}
}
if( pField && j>=pField->nId ){
if( pColumn && j>=pColumn->nId ){
char *zDflt = pTab->aCol[i].zDflt;
if( zDflt==0 ){
sqliteVdbeAddOp(v, OP_Null, 0, 0, 0, 0);
@@ -209,16 +209,16 @@ void sqliteInsert(
if( pIdx->pNext ){
sqliteVdbeAddOp(v, OP_Dup, 0, 0, 0, 0);
}
for(i=0; i<pIdx->nField; i++){
int idx = pIdx->aiField[i];
if( pField==0 ){
for(i=0; i<pIdx->nColumn; i++){
int idx = pIdx->aiColumn[i];
if( pColumn==0 ){
j = idx;
}else{
for(j=0; j<pField->nId; j++){
if( pField->a[j].idx==idx ) break;
for(j=0; j<pColumn->nId; j++){
if( pColumn->a[j].idx==idx ) break;
}
}
if( pField && j>=pField->nId ){
if( pColumn && j>=pColumn->nId ){
char *zDflt = pTab->aCol[idx].zDflt;
if( zDflt==0 ){
sqliteVdbeAddOp(v, OP_Null, 0, 0, 0, 0);
@@ -231,7 +231,7 @@ void sqliteInsert(
sqliteExprCode(pParse, pList->a[j].pExpr);
}
}
sqliteVdbeAddOp(v, OP_MakeKey, pIdx->nField, 0, 0, 0);
sqliteVdbeAddOp(v, OP_MakeKey, pIdx->nColumn, 0, 0, 0);
sqliteVdbeAddOp(v, OP_PutIdx, idx+base, 0, 0, 0);
}
@@ -245,5 +245,5 @@ void sqliteInsert(
insert_cleanup:
if( pList ) sqliteExprListDelete(pList);
if( pSelect ) sqliteSelectDelete(pSelect);
sqliteIdListDelete(pField);
sqliteIdListDelete(pColumn);
}