SQLite

** the column currently under construction.
*/
void sqlite3AddNotNull(Parse *pParse, int onError){
  Table *p;
  p = pParse->pNewTable;
  if( p==0 || NEVER(p->nCol<1) ) return;
  p->aCol[p->nCol-1].notNull = (u8)onError;
  p->tabFlags |= TF_HasNotNull;
}

/*
** Scan the column type name zType (length nType) and return the
** associated affinity type.
**
** This routine does a case-independent search of zType for the 

  break;

#ifndef SQLITE_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE_INTEGRITY_CHECK_ERROR_MAX 100
#endif

#ifndef SQLITE_OMIT_INTEGRITY_CHECK
  /*    PRAGMA integrity_check
  **    PRAGMA integrity_check(N)
  **    PRAGMA quick_check
  **    PRAGMA quick_check(N)
  **
  ** Verify the integrity of the database.
  **
  ** The "quick_check" is reduced version of 
  ** integrity_check designed to detect most database corruption
  ** without the overhead of cross-checking indexes.  Quick_check
  ** is linear time wherease integrity_check is O(NlogN).
  */
  case PragTyp_INTEGRITY_CHECK: {
    int i, j, addr, mxErr;

    int isQuick = (sqlite3Tolower(zLeft[0])=='q');

    /* If the PRAGMA command was of the form "PRAGMA <db>.integrity_check",

      sqlite3VdbeAddOp3(v, OP_Move, 2, 4, 1);
      sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 2);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 2, 1);
      sqlite3VdbeJumpHere(v, addr);

      /* Make sure all the indices are constructed correctly.
      */
      for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
        Table *pTab = sqliteHashData(x);
        Index *pIdx, *pPk;
        Index *pPrior = 0;
        int loopTop;
        int iDataCur, iIdxCur;
        int r1 = -1;

        if( pTab->pCheck==0
         && (pTab->tabFlags & TF_HasNotNull)==0
         && (pTab->pIndex==0 || isQuick)
        ){
          continue;  /* No additional checks needed for this table */
        }
        pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
        addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1);  /* Stop if out of errors */
        VdbeCoverage(v);
        sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
        sqlite3VdbeJumpHere(v, addr);
        sqlite3ExprCacheClear(pParse);
        sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead, 0,

          sqlite3VdbeAddOp2(v, OP_ResultRow, 3, 1);
          sqlite3VdbeAddOp2(v, OP_IfPos, 1, addrCkOk); VdbeCoverage(v);
          sqlite3VdbeAddOp0(v, OP_Halt);
          sqlite3VdbeResolveLabel(v, addrCkOk);
          sqlite3ExprCachePop(pParse);
        }
        /* Validate index entries for the current row */
        for(j=0, pIdx=pTab->pIndex; pIdx && !isQuick; pIdx=pIdx->pNext, j++){
          int jmp2, jmp3, jmp4, jmp5;
          int ckUniq = sqlite3VdbeMakeLabel(v);
          if( pPk==pIdx ) continue;
          r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3,
                                       pPrior, r1);
          pPrior = pIdx;
          sqlite3VdbeAddOp2(v, OP_AddImm, 8+j, 1);  /* increment entry count */

          }
          sqlite3VdbeJumpHere(v, jmp4);
          sqlite3ResolvePartIdxLabel(pParse, jmp3);
        }
        sqlite3VdbeAddOp2(v, OP_Next, iDataCur, loopTop); VdbeCoverage(v);
        sqlite3VdbeJumpHere(v, loopTop-1);
#ifndef SQLITE_OMIT_BTREECOUNT
        if( !isQuick ){
          sqlite3VdbeLoadString(v, 2, "wrong # of entries in index ");
          for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
            if( pPk==pIdx ) continue;
            addr = sqlite3VdbeCurrentAddr(v);
            sqlite3VdbeAddOp2(v, OP_IfPos, 1, addr+2); VdbeCoverage(v);
            sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
            sqlite3VdbeAddOp2(v, OP_Count, iIdxCur+j, 3);
            sqlite3VdbeAddOp3(v, OP_Eq, 8+j, addr+8, 3); VdbeCoverage(v);
            sqlite3VdbeChangeP5(v, SQLITE_NOTNULL);
            sqlite3VdbeAddOp2(v, OP_AddImm, 1, -1);
            sqlite3VdbeLoadString(v, 3, pIdx->zName);
            sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7);
            sqlite3VdbeAddOp2(v, OP_ResultRow, 7, 1);
          }
        }
#endif /* SQLITE_OMIT_BTREECOUNT */
      } 
    }
    {
      static const int iLn = VDBE_OFFSET_LINENO(2);
      static const VdbeOpList endCode[] = {

**
** TF_OOOHidden applies to tables or view that have hidden columns that are
** followed by non-hidden columns.  Example:  "CREATE VIRTUAL TABLE x USING
** vtab1(a HIDDEN, b);".  Since "b" is a non-hidden column but "a" is hidden,
** the TF_OOOHidden attribute would apply in this case.  Such tables require
** special handling during INSERT processing.
*/
#define TF_Readonly        0x0001    /* Read-only system table */
#define TF_Ephemeral       0x0002    /* An ephemeral table */
#define TF_HasPrimaryKey   0x0004    /* Table has a primary key */
#define TF_Autoincrement   0x0008    /* Integer primary key is autoincrement */
/* available for reuse:    0x0010    */
#define TF_WithoutRowid    0x0020    /* No rowid.  PRIMARY KEY is the key */
#define TF_NoVisibleRowid  0x0040    /* No user-visible "rowid" column */
#define TF_OOOHidden       0x0080    /* Out-of-Order hidden columns */
#define TF_HasNotNull      0x0100    /* Contains NOT NULL constraints */


/*
** Test to see whether or not a table is a virtual table.  This is
** done as a macro so that it will be optimized out when virtual
** table support is omitted from the build.
*/