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Overview
Comment: | Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently coded instruction. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
28883e8f3e92a8015fb5f6c8ae858083 |
User & Date: | drh 2016-12-07 21:35:55.152 |
Context
2016-12-08
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01:38 | More changes to take advantage of the sqlite3VdbeAppendP4() method. (check-in: 83bc5e40af user: drh tags: trunk) | |
2016-12-07
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21:35 | Add the sqlite3VdbeAppendP4() method for adding P4 content to the most recently coded instruction. (check-in: 28883e8f3e user: drh tags: trunk) | |
20:22 | The use P4_DYNAMIC in place of the P4_MPRINTF operand type. (check-in: 3954f83798 user: drh tags: trunk) | |
Changes
Changes to src/delete.c.
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708 709 710 711 712 713 714 | ** the update-hook is not invoked for rows removed by REPLACE, but the ** pre-update-hook is. */ if( pTab->pSelect==0 ){ u8 p5 = 0; sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,iIdxNoSeek); sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, (count?OPFLAG_NCHANGE:0)); | | | 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 | ** the update-hook is not invoked for rows removed by REPLACE, but the ** pre-update-hook is. */ if( pTab->pSelect==0 ){ u8 p5 = 0; sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,iIdxNoSeek); sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, (count?OPFLAG_NCHANGE:0)); sqlite3VdbeAppendP4(v, (char*)pTab, P4_TABLE); if( eMode!=ONEPASS_OFF ){ sqlite3VdbeChangeP5(v, OPFLAG_AUXDELETE); } if( iIdxNoSeek>=0 ){ sqlite3VdbeAddOp1(v, OP_Delete, iIdxNoSeek); } if( eMode==ONEPASS_MULTI ) p5 |= OPFLAG_SAVEPOSITION; |
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Changes to src/expr.c.
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3428 3429 3430 3431 3432 3433 3434 | assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( pExpr->u.zToken!=0 ); assert( pExpr->u.zToken[0]!=0 ); sqlite3VdbeAddOp2(v, OP_Variable, pExpr->iColumn, target); if( pExpr->u.zToken[1]!=0 ){ assert( pExpr->u.zToken[0]=='?' || strcmp(pExpr->u.zToken, pParse->azVar[pExpr->iColumn-1])==0 ); | | | 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 | assert( !ExprHasProperty(pExpr, EP_IntValue) ); assert( pExpr->u.zToken!=0 ); assert( pExpr->u.zToken[0]!=0 ); sqlite3VdbeAddOp2(v, OP_Variable, pExpr->iColumn, target); if( pExpr->u.zToken[1]!=0 ){ assert( pExpr->u.zToken[0]=='?' || strcmp(pExpr->u.zToken, pParse->azVar[pExpr->iColumn-1])==0 ); sqlite3VdbeAppendP4(v, pParse->azVar[pExpr->iColumn-1], P4_STATIC); } return target; } case TK_REGISTER: { return pExpr->iTable; } #ifndef SQLITE_OMIT_CAST |
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Changes to src/insert.c.
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1444 1445 1446 1447 1448 1449 1450 | #ifdef SQLITE_ENABLE_PREUPDATE_HOOK if( HasRowid(pTab) ){ /* This OP_Delete opcode fires the pre-update-hook only. It does ** not modify the b-tree. It is more efficient to let the coming ** OP_Insert replace the existing entry than it is to delete the ** existing entry and then insert a new one. */ sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, OPFLAG_ISNOOP); | | | 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 | #ifdef SQLITE_ENABLE_PREUPDATE_HOOK if( HasRowid(pTab) ){ /* This OP_Delete opcode fires the pre-update-hook only. It does ** not modify the b-tree. It is more efficient to let the coming ** OP_Insert replace the existing entry than it is to delete the ** existing entry and then insert a new one. */ sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, OPFLAG_ISNOOP); sqlite3VdbeAppendP4(v, pTab, P4_TABLE); } #endif /* SQLITE_ENABLE_PREUPDATE_HOOK */ if( pTab->pIndex ){ sqlite3MultiWrite(pParse); sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur,0,-1); } } |
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1721 1722 1723 1724 1725 1726 1727 | pik_flags |= OPFLAG_APPEND; } if( useSeekResult ){ pik_flags |= OPFLAG_USESEEKRESULT; } sqlite3VdbeAddOp3(v, OP_Insert, iDataCur, regRec, regNewData); if( !pParse->nested ){ | | | 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 | pik_flags |= OPFLAG_APPEND; } if( useSeekResult ){ pik_flags |= OPFLAG_USESEEKRESULT; } sqlite3VdbeAddOp3(v, OP_Insert, iDataCur, regRec, regNewData); if( !pParse->nested ){ sqlite3VdbeAppendP4(v, pTab, P4_TABLE); } sqlite3VdbeChangeP5(v, pik_flags); } /* ** Allocate cursors for the pTab table and all its indices and generate ** code to open and initialized those cursors. |
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Changes to src/update.c.
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65 66 67 68 69 70 71 | u8 enc = ENC(sqlite3VdbeDb(v)); Column *pCol = &pTab->aCol[i]; VdbeComment((v, "%s.%s", pTab->zName, pCol->zName)); assert( i<pTab->nCol ); sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc, pCol->affinity, &pValue); if( pValue ){ | | | 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | u8 enc = ENC(sqlite3VdbeDb(v)); Column *pCol = &pTab->aCol[i]; VdbeComment((v, "%s.%s", pTab->zName, pCol->zName)); assert( i<pTab->nCol ); sqlite3ValueFromExpr(sqlite3VdbeDb(v), pCol->pDflt, enc, pCol->affinity, &pValue); if( pValue ){ sqlite3VdbeAppendP4(v, pValue, P4_MEM); } #ifndef SQLITE_OMIT_FLOATING_POINT if( pTab->aCol[i].affinity==SQLITE_AFF_REAL ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, iReg); } #endif } |
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606 607 608 609 610 611 612 | assert( regNew==regNewRowid+1 ); #ifdef SQLITE_ENABLE_PREUPDATE_HOOK sqlite3VdbeAddOp3(v, OP_Delete, iDataCur, OPFLAG_ISUPDATE | ((hasFK || chngKey || pPk!=0) ? 0 : OPFLAG_ISNOOP), regNewRowid ); if( !pParse->nested ){ | | | 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 | assert( regNew==regNewRowid+1 ); #ifdef SQLITE_ENABLE_PREUPDATE_HOOK sqlite3VdbeAddOp3(v, OP_Delete, iDataCur, OPFLAG_ISUPDATE | ((hasFK || chngKey || pPk!=0) ? 0 : OPFLAG_ISNOOP), regNewRowid ); if( !pParse->nested ){ sqlite3VdbeAppendP4(v, pTab, P4_TABLE); } #else if( hasFK || chngKey || pPk!=0 ){ sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, 0); } #endif if( bReplace || chngKey ){ |
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Changes to src/vdbe.h.
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193 194 195 196 197 198 199 200 201 202 203 204 205 206 | void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2); void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3); void sqlite3VdbeChangeP5(Vdbe*, u8 P5); void sqlite3VdbeJumpHere(Vdbe*, int addr); int sqlite3VdbeChangeToNoop(Vdbe*, int addr); int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op); void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N); void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); void sqlite3VdbeUsesBtree(Vdbe*, int); VdbeOp *sqlite3VdbeGetOp(Vdbe*, int); int sqlite3VdbeMakeLabel(Vdbe*); void sqlite3VdbeRunOnlyOnce(Vdbe*); void sqlite3VdbeReusable(Vdbe*); void sqlite3VdbeDelete(Vdbe*); | > | 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2); void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3); void sqlite3VdbeChangeP5(Vdbe*, u8 P5); void sqlite3VdbeJumpHere(Vdbe*, int addr); int sqlite3VdbeChangeToNoop(Vdbe*, int addr); int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op); void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N); void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type); void sqlite3VdbeSetP4KeyInfo(Parse*, Index*); void sqlite3VdbeUsesBtree(Vdbe*, int); VdbeOp *sqlite3VdbeGetOp(Vdbe*, int); int sqlite3VdbeMakeLabel(Vdbe*); void sqlite3VdbeRunOnlyOnce(Vdbe*); void sqlite3VdbeReusable(Vdbe*); void sqlite3VdbeDelete(Vdbe*); |
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Changes to src/vdbeaux.c.
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967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 | }else if( zP4!=0 ){ assert( n<0 ); pOp->p4.p = (void*)zP4; pOp->p4type = (signed char)n; if( n==P4_VTAB ) sqlite3VtabLock((VTable*)zP4); } } /* ** Set the P4 on the most recently added opcode to the KeyInfo for the ** index given. */ void sqlite3VdbeSetP4KeyInfo(Parse *pParse, Index *pIdx){ Vdbe *v = pParse->pVdbe; assert( v!=0 ); assert( pIdx!=0 ); | > > > > > > > > > > > > > > > > > > > > > > > > > > | | | 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 | }else if( zP4!=0 ){ assert( n<0 ); pOp->p4.p = (void*)zP4; pOp->p4type = (signed char)n; if( n==P4_VTAB ) sqlite3VtabLock((VTable*)zP4); } } /* ** Change the P4 operand of the most recently coded instruction ** to the value defined by the arguments. This is a high-speed ** version of sqlite3VdbeChangeP4(). ** ** The P4 operand must not have been previously defined. And the new ** P4 must not be P4_INT32. Use sqlite3VdbeChangeP4() in either of ** those cases. */ void sqlite3VdbeAppendP4(Vdbe *p, void *pP4, int n){ VdbeOp *pOp; assert( n!=P4_INT32 && n!=P4_VTAB ); assert( n<=0 ); if( p->db->mallocFailed ){ freeP4(p->db, n, pP4); }else{ assert( pP4!=0 ); assert( p->nOp>0 ); pOp = &p->aOp[p->nOp-1]; assert( pOp->p4type==P4_NOTUSED ); pOp->p4type = n; pOp->p4.p = pP4; } } /* ** Set the P4 on the most recently added opcode to the KeyInfo for the ** index given. */ void sqlite3VdbeSetP4KeyInfo(Parse *pParse, Index *pIdx){ Vdbe *v = pParse->pVdbe; KeyInfo *pKeyInfo; assert( v!=0 ); assert( pIdx!=0 ); pKeyInfo = sqlite3KeyInfoOfIndex(pParse, pIdx); if( pKeyInfo ) sqlite3VdbeAppendP4(v, pKeyInfo, P4_KEYINFO); } #ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS /* ** Change the comment on the most recently coded instruction. Or ** insert a No-op and add the comment to that new instruction. This ** makes the code easier to read during debugging. None of this happens |
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