Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Do not allow generated columns in the PRIMARY KEY. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | generated-columns |
| Files: | files | file ages | folders |
| SHA3-256: |
1a54743a3d327efc8ecc45b9fde91ddf |
| User & Date: | drh 2019-10-22 15:45:03 |
Context
|
2019-10-22
| ||
| 20:16 | Merge the row-value fix from trunk. check-in: 1fbd7438 user: drh tags: generated-columns | |
| 15:45 | Do not allow generated columns in the PRIMARY KEY. check-in: 1a54743a user: drh tags: generated-columns | |
| 13:59 | In UPDATE processing, include generated columns in the set of columns being updated if and only if their generator expressions reference some other column that is being updated. check-in: d38176e9 user: drh tags: generated-columns | |
Changes
Changes to src/build.c.
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
....
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
|
static void sqlite3StringToId(Expr *p){
if( p->op==TK_STRING ){
p->op = TK_ID;
}else if( p->op==TK_COLLATE && p->pLeft->op==TK_STRING ){
p->pLeft->op = TK_ID;
}
}
/*
** Designate the PRIMARY KEY for the table. pList is a list of names
** of columns that form the primary key. If pList is NULL, then the
** most recently added column of the table is the primary key.
**
** A table can have at most one primary key. If the table already has
................................................................................
"table \"%s\" has more than one primary key", pTab->zName);
goto primary_key_exit;
}
pTab->tabFlags |= TF_HasPrimaryKey;
if( pList==0 ){
iCol = pTab->nCol - 1;
pCol = &pTab->aCol[iCol];
pCol->colFlags |= COLFLAG_PRIMKEY;
nTerm = 1;
}else{
nTerm = pList->nExpr;
for(i=0; i<nTerm; i++){
Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[i].pExpr);
assert( pCExpr!=0 );
sqlite3StringToId(pCExpr);
if( pCExpr->op==TK_ID ){
const char *zCName = pCExpr->u.zToken;
for(iCol=0; iCol<pTab->nCol; iCol++){
if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){
pCol = &pTab->aCol[iCol];
pCol->colFlags |= COLFLAG_PRIMKEY;
break;
}
}
}
}
}
if( nTerm==1
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
....
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
|
static void sqlite3StringToId(Expr *p){
if( p->op==TK_STRING ){
p->op = TK_ID;
}else if( p->op==TK_COLLATE && p->pLeft->op==TK_STRING ){
p->pLeft->op = TK_ID;
}
}
/*
** Tag the given column as being part of the PRIMARY KEY
*/
static void makeColumnPartOfPrimaryKey(Parse *pParse, Column *pCol){
pCol->colFlags |= COLFLAG_PRIMKEY;
#ifndef SQLITE_OMIT_GENERATED_COLUMNS
if( pCol->colFlags & COLFLAG_GENERATED ){
testcase( pCol->colFlags & COLFLAG_VIRTUAL );
testcase( pCol->colFlags & COLFLAG_STORED );
sqlite3ErrorMsg(pParse,
"generated columns cannot be part of the PRIMARY KEY");
}
#endif
}
/*
** Designate the PRIMARY KEY for the table. pList is a list of names
** of columns that form the primary key. If pList is NULL, then the
** most recently added column of the table is the primary key.
**
** A table can have at most one primary key. If the table already has
................................................................................
"table \"%s\" has more than one primary key", pTab->zName);
goto primary_key_exit;
}
pTab->tabFlags |= TF_HasPrimaryKey;
if( pList==0 ){
iCol = pTab->nCol - 1;
pCol = &pTab->aCol[iCol];
makeColumnPartOfPrimaryKey(pParse, pCol);
nTerm = 1;
}else{
nTerm = pList->nExpr;
for(i=0; i<nTerm; i++){
Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[i].pExpr);
assert( pCExpr!=0 );
sqlite3StringToId(pCExpr);
if( pCExpr->op==TK_ID ){
const char *zCName = pCExpr->u.zToken;
for(iCol=0; iCol<pTab->nCol; iCol++){
if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){
pCol = &pTab->aCol[iCol];
makeColumnPartOfPrimaryKey(pParse, pCol);
break;
}
}
}
}
}
if( nTerm==1
|