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Overview
Comment:More changes to insert.c to facilitate full coverage testing. (CVS 6596)
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SHA1: 46c4ec968bc22843c65744ab4a01ec7ac605567b
User & Date: drh 2009-05-03 01:01:00
Context
2009-05-03
20:23
Changes to facility full coverage testing of util.c. (CVS 6597) check-in: a6122990 user: drh tags: trunk
01:01
More changes to insert.c to facilitate full coverage testing. (CVS 6596) check-in: 46c4ec96 user: drh tags: trunk
2009-05-02
15:46
Simplifications to the uniqueness constraint failure error message generation code. (CVS 6595) check-in: 8f3cac76 user: drh tags: trunk
Changes
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Changes to src/insert.c.

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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.265 2009/05/02 15:46:47 drh Exp $
*/
#include "sqliteInt.h"

/*
** Generate code that will open a table for reading.
*/
void sqlite3OpenTable(
................................................................................
        sqlite3VdbeAddOp3(v, OP_Column, srcTab, keyColumn, regRowid);
      }else if( pSelect ){
        sqlite3VdbeAddOp2(v, OP_SCopy, regFromSelect+keyColumn, regRowid);
      }else{
        VdbeOp *pOp;
        sqlite3ExprCode(pParse, pList->a[keyColumn].pExpr, regRowid);
        pOp = sqlite3VdbeGetOp(v, sqlite3VdbeCurrentAddr(v) - 1);
        if( pOp && pOp->opcode==OP_Null && !IsVirtual(pTab) ){
          appendFlag = 1;
          pOp->opcode = OP_NewRowid;
          pOp->p1 = baseCur;
          pOp->p2 = regRowid;
          pOp->p3 = regAutoinc;
        }
      }
................................................................................
  int regRowid,       /* Index of the range of input registers */
  int *aRegIdx,       /* Register used by each index.  0 for unused indices */
  int rowidChng,      /* True if the rowid might collide with existing entry */
  int isUpdate,       /* True for UPDATE, False for INSERT */
  int overrideError,  /* Override onError to this if not OE_Default */
  int ignoreDest      /* Jump to this label on an OE_Ignore resolution */
){
  int i;
  Vdbe *v;
  int nCol;
  int onError;
  int j1;             /* Addresss of jump instruction */
  int j2 = 0, j3;     /* Addresses of jump instructions */
  int regData;        /* Register containing first data column */
  int iCur;
  Index *pIdx;
  int seenReplace = 0;
  int hasTwoRowids = (isUpdate && rowidChng);

  v = sqlite3GetVdbe(pParse);
  assert( v!=0 );
  assert( pTab->pSelect==0 );  /* This table is not a VIEW */
  nCol = pTab->nCol;
  regData = regRowid + 1;
................................................................................
  for(i=1, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
    KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIdx);
    assert( pIdx->pSchema==pTab->pSchema );
    sqlite3VdbeAddOp4(v, op, i+baseCur, pIdx->tnum, iDb,
                      (char*)pKey, P4_KEYINFO_HANDOFF);
    VdbeComment((v, "%s", pIdx->zName));
  }
  if( pParse->nTab<=baseCur+i ){
    pParse->nTab = baseCur+i;
  }
  return i-1;
}


#ifdef SQLITE_TEST
................................................................................
  sqlite3VdbeAddOp2(v, OP_RowData, iSrc, regData);
  sqlite3VdbeAddOp3(v, OP_Insert, iDest, regData, regRowid);
  sqlite3VdbeChangeP5(v, OPFLAG_NCHANGE|OPFLAG_LASTROWID|OPFLAG_APPEND);
  sqlite3VdbeChangeP4(v, -1, pDest->zName, 0);
  sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1);
  autoIncEnd(pParse, iDbDest, pDest, regAutoinc);
  for(pDestIdx=pDest->pIndex; pDestIdx; pDestIdx=pDestIdx->pNext){
    for(pSrcIdx=pSrc->pIndex; pSrcIdx; pSrcIdx=pSrcIdx->pNext){
      if( xferCompatibleIndex(pDestIdx, pSrcIdx) ) break;
    }
    assert( pSrcIdx );
    sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0);
    sqlite3VdbeAddOp2(v, OP_Close, iDest, 0);
    pKey = sqlite3IndexKeyinfo(pParse, pSrcIdx);
    sqlite3VdbeAddOp4(v, OP_OpenRead, iSrc, pSrcIdx->tnum, iDbSrc,







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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.266 2009/05/03 01:01:00 drh Exp $
*/
#include "sqliteInt.h"

/*
** Generate code that will open a table for reading.
*/
void sqlite3OpenTable(
................................................................................
        sqlite3VdbeAddOp3(v, OP_Column, srcTab, keyColumn, regRowid);
      }else if( pSelect ){
        sqlite3VdbeAddOp2(v, OP_SCopy, regFromSelect+keyColumn, regRowid);
      }else{
        VdbeOp *pOp;
        sqlite3ExprCode(pParse, pList->a[keyColumn].pExpr, regRowid);
        pOp = sqlite3VdbeGetOp(v, sqlite3VdbeCurrentAddr(v) - 1);
        if( ALWAYS(pOp) && pOp->opcode==OP_Null && !IsVirtual(pTab) ){
          appendFlag = 1;
          pOp->opcode = OP_NewRowid;
          pOp->p1 = baseCur;
          pOp->p2 = regRowid;
          pOp->p3 = regAutoinc;
        }
      }
................................................................................
  int regRowid,       /* Index of the range of input registers */
  int *aRegIdx,       /* Register used by each index.  0 for unused indices */
  int rowidChng,      /* True if the rowid might collide with existing entry */
  int isUpdate,       /* True for UPDATE, False for INSERT */
  int overrideError,  /* Override onError to this if not OE_Default */
  int ignoreDest      /* Jump to this label on an OE_Ignore resolution */
){
  int i;              /* loop counter */
  Vdbe *v;            /* VDBE under constrution */
  int nCol;           /* Number of columns */
  int onError;        /* Conflict resolution strategy */
  int j1;             /* Addresss of jump instruction */
  int j2 = 0, j3;     /* Addresses of jump instructions */
  int regData;        /* Register containing first data column */
  int iCur;           /* Table cursor number */
  Index *pIdx;         /* Pointer to one of the indices */
  int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */
  int hasTwoRowids = (isUpdate && rowidChng);

  v = sqlite3GetVdbe(pParse);
  assert( v!=0 );
  assert( pTab->pSelect==0 );  /* This table is not a VIEW */
  nCol = pTab->nCol;
  regData = regRowid + 1;
................................................................................
  for(i=1, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
    KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIdx);
    assert( pIdx->pSchema==pTab->pSchema );
    sqlite3VdbeAddOp4(v, op, i+baseCur, pIdx->tnum, iDb,
                      (char*)pKey, P4_KEYINFO_HANDOFF);
    VdbeComment((v, "%s", pIdx->zName));
  }
  if( pParse->nTab<baseCur+i ){
    pParse->nTab = baseCur+i;
  }
  return i-1;
}


#ifdef SQLITE_TEST
................................................................................
  sqlite3VdbeAddOp2(v, OP_RowData, iSrc, regData);
  sqlite3VdbeAddOp3(v, OP_Insert, iDest, regData, regRowid);
  sqlite3VdbeChangeP5(v, OPFLAG_NCHANGE|OPFLAG_LASTROWID|OPFLAG_APPEND);
  sqlite3VdbeChangeP4(v, -1, pDest->zName, 0);
  sqlite3VdbeAddOp2(v, OP_Next, iSrc, addr1);
  autoIncEnd(pParse, iDbDest, pDest, regAutoinc);
  for(pDestIdx=pDest->pIndex; pDestIdx; pDestIdx=pDestIdx->pNext){
    for(pSrcIdx=pSrc->pIndex; ALWAYS(pSrcIdx); pSrcIdx=pSrcIdx->pNext){
      if( xferCompatibleIndex(pDestIdx, pSrcIdx) ) break;
    }
    assert( pSrcIdx );
    sqlite3VdbeAddOp2(v, OP_Close, iSrc, 0);
    sqlite3VdbeAddOp2(v, OP_Close, iDest, 0);
    pKey = sqlite3IndexKeyinfo(pParse, pSrcIdx);
    sqlite3VdbeAddOp4(v, OP_OpenRead, iSrc, pSrcIdx->tnum, iDbSrc,