mirror of
https://github.com/sqlite/sqlite.git
synced 2025-11-14 00:22:38 +03:00
"PRAGMA foreign_key_check" with no argument checks the foreign keys on all
tables. FossilOrigin-Name: 57d47423a65d183cb1efcb95b28cb143e788b953
This commit is contained in:
drh
12
manifest
12
manifest
@@ -1,5 +1,5 @@
|
||||
C Fix\san\sissue\swith\schild\skeys\sthat\sare\snot\sINTEGER\sPRIMARY\sKEY\nreferencing\sINTEGER\sPRIMARY\sKEY\sin\sthe\sparent.
|
||||
D 2012-12-17T18:05:54.523
|
||||
C "PRAGMA\sforeign_key_check"\swith\sno\sargument\schecks\sthe\sforeign\skeys\son\sall\ntables.
|
||||
D 2012-12-17T18:43:02.925
|
||||
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
|
||||
F Makefile.in 690d441a758cbffd13e814dc2724a721a6ebd400
|
||||
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
|
||||
@@ -168,7 +168,7 @@ F src/parse.y c2b4a6454ad77299b1443e2c483a560a9f16e724
|
||||
F src/pcache.c f8043b433a57aba85384a531e3937a804432a346
|
||||
F src/pcache.h 1b5dcc3dc8103d03e625b177023ee67764fa6b7c
|
||||
F src/pcache1.c 9fd22671c270b35131ef480bbc00392b8b5f8ab9
|
||||
F src/pragma.c 599af02bcc13c8f41a6670a19185119ffae18e6d
|
||||
F src/pragma.c b98dfe89b961d41be6d502d23adf18ed02dbb410
|
||||
F src/prepare.c 931ad0d852a0df48f79adcba6ce79ca5f475625c
|
||||
F src/printf.c 4a9f882f1c1787a8b494a2987765acf9d97ac21f
|
||||
F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
|
||||
@@ -1025,7 +1025,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
|
||||
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
|
||||
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
|
||||
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
|
||||
P 01c980e9bbdf82e0b37667b6403c19ed8c73ee62
|
||||
R abb2e93db46b538d88f02500430c7bfd
|
||||
P 603b695bf094b9da905f877a13dcb134463db92a
|
||||
R 838d64421c46ea50daf2c57db5adcb2d
|
||||
U drh
|
||||
Z 4013a6f2f3fe7fcef30b92f6b8b3c386
|
||||
Z f327b298aa59d7b1bf00c17e68686c2c
|
||||
|
||||
@@ -1 +1 @@
|
||||
603b695bf094b9da905f877a13dcb134463db92a
|
||||
57d47423a65d183cb1efcb95b28cb143e788b953
|
||||
146
src/pragma.c
146
src/pragma.c
@@ -1115,33 +1115,51 @@ void sqlite3Pragma(
|
||||
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */
|
||||
|
||||
#ifndef SQLITE_OMIT_FOREIGN_KEY
|
||||
if( sqlite3StrICmp(zLeft, "foreign_key_check")==0 && zRight ){
|
||||
FKey *pFK;
|
||||
Table *pTab;
|
||||
Table *pParent;
|
||||
Index *pIdx;
|
||||
int i, j;
|
||||
int x;
|
||||
int *aiCols;
|
||||
if( sqlite3StrICmp(zLeft, "foreign_key_check")==0 ){
|
||||
FKey *pFK; /* A foreign key constraint */
|
||||
Table *pTab; /* Child table contain "REFERENCES" keyword */
|
||||
Table *pParent; /* Parent table that child points to */
|
||||
Index *pIdx; /* Index in the parent table */
|
||||
int i; /* Loop counter: Foreign key number for pTab */
|
||||
int j; /* Loop counter: Field of the foreign key */
|
||||
HashElem *k; /* Loop counter: Next table in schema */
|
||||
int x; /* result variable */
|
||||
int regResult; /* 3 registers to hold a result row */
|
||||
int regKey; /* Register to hold key for checking the FK */
|
||||
int regRow; /* Registers to hold a row from pTab */
|
||||
int addrTop; /* Top of a loop checking foreign keys */
|
||||
int addrOk; /* Jump here if the key is OK */
|
||||
|
||||
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
|
||||
pTab = sqlite3LocateTable(pParse, 0, zRight, zDb);
|
||||
if( pTab && pTab->pFKey ){
|
||||
int regResult;
|
||||
int regRow;
|
||||
int regKey;
|
||||
v = sqlite3GetVdbe(pParse);
|
||||
sqlite3VdbeSetNumCols(v, 2);
|
||||
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "fkid", SQLITE_STATIC);
|
||||
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "rowid", SQLITE_STATIC);
|
||||
sqlite3CodeVerifySchema(pParse, iDb);
|
||||
regResult = pParse->nMem+1;
|
||||
pParse->nMem += 3;
|
||||
regKey = ++pParse->nMem;
|
||||
regRow = ++pParse->nMem;
|
||||
v = sqlite3GetVdbe(pParse);
|
||||
sqlite3VdbeSetNumCols(v, 3);
|
||||
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "table", SQLITE_STATIC);
|
||||
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "rowid", SQLITE_STATIC);
|
||||
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "fkid", SQLITE_STATIC);
|
||||
sqlite3CodeVerifySchema(pParse, iDb);
|
||||
k = sqliteHashFirst(&db->aDb[iDb].pSchema->tblHash);
|
||||
while( k ){
|
||||
if( zRight ){
|
||||
pTab = sqlite3LocateTable(pParse, 0, zRight, zDb);
|
||||
k = 0;
|
||||
}else{
|
||||
pTab = (Table*)sqliteHashData(k);
|
||||
k = sqliteHashNext(k);
|
||||
}
|
||||
if( pTab->pFKey==0 ) continue;
|
||||
if( pTab->nCol+regRow>pParse->nMem ) pParse->nMem = pTab->nCol + regRow;
|
||||
sqlite3OpenTable(pParse, 0, iDb, pTab, OP_OpenRead);
|
||||
sqlite3VdbeAddOp4(v, OP_String8, 0, regResult, 0, pTab->zName,
|
||||
P4_TRANSIENT);
|
||||
for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
|
||||
pParent = sqlite3LocateTable(pParse, 0, pFK->zTo, zDb);
|
||||
if( pParent==0 ) break;
|
||||
pIdx = 0;
|
||||
aiCols = 0;
|
||||
x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
|
||||
x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0);
|
||||
if( x==0 ){
|
||||
if( pIdx==0 ){
|
||||
sqlite3OpenTable(pParse, i, iDb, pParent, OP_OpenRead);
|
||||
@@ -1151,62 +1169,52 @@ void sqlite3Pragma(
|
||||
sqlite3VdbeChangeP4(v, -1, (char*)pKey, P4_KEYINFO_HANDOFF);
|
||||
}
|
||||
}else{
|
||||
k = 0;
|
||||
break;
|
||||
}
|
||||
sqlite3DbFree(db, aiCols);
|
||||
}
|
||||
pParse->nTab = i;
|
||||
if( pFK==0 ){
|
||||
int addrTop;
|
||||
int addrOk;
|
||||
addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, 0);
|
||||
regResult = pParse->nMem+1;
|
||||
pParse->nMem += 2;
|
||||
regRow = pParse->nMem+1;
|
||||
pParse->nMem += pTab->nCol;
|
||||
regKey = ++pParse->nMem;
|
||||
for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
|
||||
pParent = sqlite3LocateTable(pParse, 0, pFK->zTo, zDb);
|
||||
assert( pParent!=0 );
|
||||
pIdx = 0;
|
||||
aiCols = 0;
|
||||
x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
|
||||
assert( x==0 );
|
||||
addrOk = sqlite3VdbeMakeLabel(v);
|
||||
if( pIdx==0 ){
|
||||
int iKey = pFK->aCol[0].iFrom;
|
||||
if( iKey>=0 && iKey!=pTab->iPKey ){
|
||||
sqlite3VdbeAddOp3(v, OP_Column, 0, iKey, regRow);
|
||||
sqlite3ColumnDefault(v, pTab, iKey, regRow);
|
||||
sqlite3VdbeAddOp2(v, OP_IsNull, regRow, addrOk);
|
||||
sqlite3VdbeAddOp2(v, OP_MustBeInt, regRow,
|
||||
sqlite3VdbeCurrentAddr(v)+3);
|
||||
}else{
|
||||
sqlite3VdbeAddOp2(v, OP_Rowid, 0, regRow);
|
||||
}
|
||||
sqlite3VdbeAddOp3(v, OP_NotExists, i, 0, regRow);
|
||||
sqlite3VdbeAddOp2(v, OP_Goto, 0, addrOk);
|
||||
sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
|
||||
if( pFK ) break;
|
||||
if( pParse->nTab<i ) pParse->nTab = i;
|
||||
addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, 0);
|
||||
for(i=1, pFK=pTab->pFKey; pFK; i++, pFK=pFK->pNextFrom){
|
||||
pParent = sqlite3LocateTable(pParse, 0, pFK->zTo, zDb);
|
||||
assert( pParent!=0 );
|
||||
pIdx = 0;
|
||||
x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, 0);
|
||||
assert( x==0 );
|
||||
addrOk = sqlite3VdbeMakeLabel(v);
|
||||
if( pIdx==0 ){
|
||||
int iKey = pFK->aCol[0].iFrom;
|
||||
if( iKey>=0 && iKey!=pTab->iPKey ){
|
||||
sqlite3VdbeAddOp3(v, OP_Column, 0, iKey, regRow);
|
||||
sqlite3ColumnDefault(v, pTab, iKey, regRow);
|
||||
sqlite3VdbeAddOp2(v, OP_IsNull, regRow, addrOk);
|
||||
sqlite3VdbeAddOp2(v, OP_MustBeInt, regRow,
|
||||
sqlite3VdbeCurrentAddr(v)+3);
|
||||
}else{
|
||||
for(j=0; j<pFK->nCol; j++){
|
||||
sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, pFK->aCol[j].iFrom,
|
||||
regRow+j);
|
||||
sqlite3VdbeAddOp2(v, OP_IsNull, regRow+j, addrOk);
|
||||
}
|
||||
sqlite3VdbeAddOp3(v, OP_MakeRecord, regRow, pFK->nCol, regKey);
|
||||
sqlite3VdbeChangeP4(v, -1,
|
||||
sqlite3IndexAffinityStr(v,pIdx), P4_TRANSIENT);
|
||||
sqlite3VdbeAddOp4Int(v, OP_Found, i, addrOk, regKey, 0);
|
||||
sqlite3VdbeAddOp2(v, OP_Rowid, 0, regRow);
|
||||
}
|
||||
sqlite3DbFree(db, aiCols);
|
||||
sqlite3VdbeAddOp2(v, OP_Integer, i-1, regResult);
|
||||
sqlite3VdbeAddOp2(v, OP_Rowid, 0, regResult+1);
|
||||
sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 2);
|
||||
sqlite3VdbeResolveLabel(v, addrOk);
|
||||
sqlite3VdbeAddOp3(v, OP_NotExists, i, 0, regRow);
|
||||
sqlite3VdbeAddOp2(v, OP_Goto, 0, addrOk);
|
||||
sqlite3VdbeJumpHere(v, sqlite3VdbeCurrentAddr(v)-2);
|
||||
}else{
|
||||
for(j=0; j<pFK->nCol; j++){
|
||||
sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, pFK->aCol[j].iFrom,
|
||||
regRow+j);
|
||||
sqlite3VdbeAddOp2(v, OP_IsNull, regRow+j, addrOk);
|
||||
}
|
||||
sqlite3VdbeAddOp3(v, OP_MakeRecord, regRow, pFK->nCol, regKey);
|
||||
sqlite3VdbeChangeP4(v, -1,
|
||||
sqlite3IndexAffinityStr(v,pIdx), P4_TRANSIENT);
|
||||
sqlite3VdbeAddOp4Int(v, OP_Found, i, addrOk, regKey, 0);
|
||||
}
|
||||
sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1);
|
||||
sqlite3VdbeJumpHere(v, addrTop);
|
||||
sqlite3VdbeAddOp2(v, OP_Rowid, 0, regResult+1);
|
||||
sqlite3VdbeAddOp2(v, OP_Integer, i-1, regResult+2);
|
||||
sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 3);
|
||||
sqlite3VdbeResolveLabel(v, addrOk);
|
||||
}
|
||||
sqlite3VdbeAddOp2(v, OP_Next, 0, addrTop+1);
|
||||
sqlite3VdbeJumpHere(v, addrTop);
|
||||
}
|
||||
}else
|
||||
#endif /* !defined(SQLITE_OMIT_FOREIGN_KEY) */
|
||||
|
||||
Reference in New Issue
Block a user