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Overview
Comment:Fix an issue with child keys that are not INTEGER PRIMARY KEY referencing INTEGER PRIMARY KEY in the parent.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | foreign-key-check
Files: files | file ages | folders
SHA1: 603b695bf094b9da905f877a13dcb134463db92a
User & Date: drh 2012-12-17 18:05:54
Context
2012-12-17
18:43
"PRAGMA foreign_key_check" with no argument checks the foreign keys on all tables. check-in: 57d47423 user: drh tags: foreign-key-check
18:05
Fix an issue with child keys that are not INTEGER PRIMARY KEY referencing INTEGER PRIMARY KEY in the parent. check-in: 603b695b user: drh tags: foreign-key-check
16:46
Prototype for PRAGMA that checks all foreign key constraints on a table. check-in: 01c980e9 user: drh tags: foreign-key-check
Changes
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Changes to src/pragma.c.

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          assert( pParent!=0 );
          pIdx = 0;
          aiCols = 0;
          x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
          assert( x==0 );
          addrOk = sqlite3VdbeMakeLabel(v);
          if( pIdx==0 ){
            sqlite3ExprCodeGetColumnOfTable(v, pTab, 0, pFK->aCol[0].iFrom,
                                              regRow);



            sqlite3VdbeAddOp1(v, OP_MustBeInt, regRow);




            sqlite3VdbeAddOp3(v, OP_NotExists, i, 0, regRow);
            sqlite3VdbeAddOp2(v, OP_Goto, 0, addrOk);
            x = sqlite3VdbeCurrentAddr(v);
            sqlite3VdbeJumpHere(v, x-2);
            sqlite3VdbeJumpHere(v, x-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);







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          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);


          }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);