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Overview
Comment: | Rename fields of the internal AuxData object to make them unique and easier to search for. |
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Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
2be9850cef6492e168243807c34af721 |
User & Date: | drh 2017-05-10 19:42:52.377 |
Context
2017-05-11
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12:05 | Change the SQLITE_READ authorization call for unreferenced tables to use an empty string for the column name, as this is less likely to impact legacy authorization callbacks that assume column names are always non-NULL. (check-in: 4139953ab5 user: drh tags: trunk) | |
2017-05-10
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19:42 | Rename fields of the internal AuxData object to make them unique and easier to search for. (check-in: 2be9850cef user: drh tags: trunk) | |
16:33 | Improved documentation for the SQLITE_READ authorizer callback. No code changes. (check-in: 92c5ea7047 user: drh tags: trunk) | |
Changes
Changes to src/vdbeInt.h.
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283 284 285 286 287 288 289 | ** Each auxiliary data pointer stored by a user defined function ** implementation calling sqlite3_set_auxdata() is stored in an instance ** of this structure. All such structures associated with a single VM ** are stored in a linked list headed at Vdbe.pAuxData. All are destroyed ** when the VM is halted (if not before). */ struct AuxData { | | | | | | 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 | ** Each auxiliary data pointer stored by a user defined function ** implementation calling sqlite3_set_auxdata() is stored in an instance ** of this structure. All such structures associated with a single VM ** are stored in a linked list headed at Vdbe.pAuxData. All are destroyed ** when the VM is halted (if not before). */ struct AuxData { int iAuxOp; /* Instruction number of OP_Function opcode */ int iAuxArg; /* Index of function argument. */ void *pAux; /* Aux data pointer */ void (*xDeleteAux)(void*); /* Destructor for the aux data */ AuxData *pNextAux; /* Next element in list */ }; /* ** The "context" argument for an installable function. A pointer to an ** instance of this structure is the first argument to the routines used ** implement the SQL functions. ** |
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Changes to src/vdbeapi.c.
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810 811 812 813 814 815 816 | assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); #if SQLITE_ENABLE_STAT3_OR_STAT4 if( pCtx->pVdbe==0 ) return 0; #else assert( pCtx->pVdbe!=0 ); #endif | | | > | | | | 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 | assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) ); #if SQLITE_ENABLE_STAT3_OR_STAT4 if( pCtx->pVdbe==0 ) return 0; #else assert( pCtx->pVdbe!=0 ); #endif for(pAuxData=pCtx->pVdbe->pAuxData; pAuxData; pAuxData=pAuxData->pNextAux){ if( pAuxData->iAuxOp==pCtx->iOp && pAuxData->iAuxArg==iArg ){ return pAuxData->pAux; } } return 0; } /* ** Set the auxiliary data pointer and delete function, for the iArg'th ** argument to the user-function defined by pCtx. Any previous value is ** deleted by calling the delete function specified when it was set. */ |
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839 840 841 842 843 844 845 | if( iArg<0 ) goto failed; #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 if( pVdbe==0 ) goto failed; #else assert( pVdbe!=0 ); #endif | | | | | | | | | | 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 | if( iArg<0 ) goto failed; #ifdef SQLITE_ENABLE_STAT3_OR_STAT4 if( pVdbe==0 ) goto failed; #else assert( pVdbe!=0 ); #endif for(pAuxData=pVdbe->pAuxData; pAuxData; pAuxData=pAuxData->pNextAux){ if( pAuxData->iAuxOp==pCtx->iOp && pAuxData->iAuxArg==iArg ) break; } if( pAuxData==0 ){ pAuxData = sqlite3DbMallocZero(pVdbe->db, sizeof(AuxData)); if( !pAuxData ) goto failed; pAuxData->iAuxOp = pCtx->iOp; pAuxData->iAuxArg = iArg; pAuxData->pNextAux = pVdbe->pAuxData; pVdbe->pAuxData = pAuxData; if( pCtx->fErrorOrAux==0 ){ pCtx->isError = 0; pCtx->fErrorOrAux = 1; } }else if( pAuxData->xDeleteAux ){ pAuxData->xDeleteAux(pAuxData->pAux); } pAuxData->pAux = pAux; pAuxData->xDeleteAux = xDelete; return; failed: if( xDelete ){ xDelete(pAux); } } |
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Changes to src/vdbeaux.c.
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2964 2965 2966 2967 2968 2969 2970 | ** * the corresponding bit in argument mask is clear (where the first ** function parameter corresponds to bit 0 etc.). */ void sqlite3VdbeDeleteAuxData(sqlite3 *db, AuxData **pp, int iOp, int mask){ while( *pp ){ AuxData *pAux = *pp; if( (iOp<0) | > | | | | | | | 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 | ** * the corresponding bit in argument mask is clear (where the first ** function parameter corresponds to bit 0 etc.). */ void sqlite3VdbeDeleteAuxData(sqlite3 *db, AuxData **pp, int iOp, int mask){ while( *pp ){ AuxData *pAux = *pp; if( (iOp<0) || (pAux->iAuxOp==iOp && (pAux->iAuxArg>31 || !(mask & MASKBIT32(pAux->iAuxArg)))) ){ testcase( pAux->iAuxArg==31 ); if( pAux->xDeleteAux ){ pAux->xDeleteAux(pAux->pAux); } *pp = pAux->pNextAux; sqlite3DbFree(db, pAux); }else{ pp= &pAux->pNextAux; } } } /* ** Free all memory associated with the Vdbe passed as the second argument, ** except for object itself, which is preserved. |
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