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Overview
Comment:Report an error when trying to resolve column name "rowid" in a WITHOUT ROWID table.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | omit-rowid
Files: files | file ages | folders
SHA1: 36bcc9cb885523fba2f3b0d152de9e08073668c1
User & Date: drh 2013-10-23 17:39:41
Context
2013-10-23
22:23
Construct secondary indices on WITHOUT ROWID tables. (check-in: 2c028ddc user: drh tags: omit-rowid)
17:39
Report an error when trying to resolve column name "rowid" in a WITHOUT ROWID table. (check-in: 36bcc9cb user: drh tags: omit-rowid)
16:03
Get VACUUM and the xfer optimization working with WITHOUT ROWID. (check-in: 579815ff user: drh tags: omit-rowid)
Changes
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Changes to src/resolve.c. 

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  int cntTab = 0;                   /* Number of matching table names */
  int nSubquery = 0;                /* How many levels of subquery */
  sqlite3 *db = pParse->db;         /* The database connection */
  struct SrcList_item *pItem;       /* Use for looping over pSrcList items */
  struct SrcList_item *pMatch = 0;  /* The matching pSrcList item */
  NameContext *pTopNC = pNC;        /* First namecontext in the list */
  Schema *pSchema = 0;              /* Schema of the expression */
  int isTrigger = 0;



  assert( pNC );     /* the name context cannot be NULL. */
  assert( zCol );    /* The Z in X.Y.Z cannot be NULL */
  assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) );

  /* Initialize the node to no-match */
  pExpr->iTable = -1;
................................................................................
  /* Start at the inner-most context and move outward until a match is found */
  while( pNC && cnt==0 ){
    ExprList *pEList;
    SrcList *pSrcList = pNC->pSrcList;

    if( pSrcList ){
      for(i=0, pItem=pSrcList->a; i<pSrcList->nSrc; i++, pItem++){
        Table *pTab;
        Column *pCol;
  
        pTab = pItem->pTab;
        assert( pTab!=0 && pTab->zName!=0 );
        assert( pTab->nCol>0 );
        if( pItem->pSelect && (pItem->pSelect->selFlags & SF_NestedFrom)!=0 ){
          int hit = 0;
          pEList = pItem->pSelect->pEList;
          for(j=0; j<pEList->nExpr; j++){
................................................................................
      }
    } /* if( pSrcList ) */

#ifndef SQLITE_OMIT_TRIGGER
    /* If we have not already resolved the name, then maybe 
    ** it is a new.* or old.* trigger argument reference
    */
    if( zDb==0 && zTab!=0 && cnt==0 && pParse->pTriggerTab!=0 ){
      int op = pParse->eTriggerOp;
      Table *pTab = 0;
      assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT );
      if( op!=TK_DELETE && sqlite3StrICmp("new",zTab) == 0 ){
        pExpr->iTable = 1;
        pTab = pParse->pTriggerTab;
      }else if( op!=TK_INSERT && sqlite3StrICmp("old",zTab)==0 ){
        pExpr->iTable = 0;
        pTab = pParse->pTriggerTab;
................................................................................
          if( sqlite3StrICmp(pCol->zName, zCol)==0 ){
            if( iCol==pTab->iPKey ){
              iCol = -1;
            }
            break;
          }
        }
        if( iCol>=pTab->nCol && sqlite3IsRowid(zCol) ){
          iCol = -1;        /* IMP: R-44911-55124 */
        }
        if( iCol<pTab->nCol ){
          cnt++;
          if( iCol<0 ){
            pExpr->affinity = SQLITE_AFF_INTEGER;
          }else if( pExpr->iTable==0 ){
................................................................................
      }
    }
#endif /* !defined(SQLITE_OMIT_TRIGGER) */

    /*
    ** Perhaps the name is a reference to the ROWID
    */

    if( cnt==0 && cntTab==1 && sqlite3IsRowid(zCol) ){
      cnt = 1;
      pExpr->iColumn = -1;     /* IMP: R-44911-55124 */
      pExpr->affinity = SQLITE_AFF_INTEGER;
    }

    /*
    ** If the input is of the form Z (not Y.Z or X.Y.Z) then the name Z








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  int cntTab = 0;                   /* Number of matching table names */
  int nSubquery = 0;                /* How many levels of subquery */
  sqlite3 *db = pParse->db;         /* The database connection */
  struct SrcList_item *pItem;       /* Use for looping over pSrcList items */
  struct SrcList_item *pMatch = 0;  /* The matching pSrcList item */
  NameContext *pTopNC = pNC;        /* First namecontext in the list */
  Schema *pSchema = 0;              /* Schema of the expression */
  int isTrigger = 0;                /* True if resolved to a trigger column */
  Table *pTab = 0;                  /* Table hold the row */
  Column *pCol;                     /* A column of pTab */

  assert( pNC );     /* the name context cannot be NULL. */
  assert( zCol );    /* The Z in X.Y.Z cannot be NULL */
  assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) );

  /* Initialize the node to no-match */
  pExpr->iTable = -1;
................................................................................
  /* Start at the inner-most context and move outward until a match is found */
  while( pNC && cnt==0 ){
    ExprList *pEList;
    SrcList *pSrcList = pNC->pSrcList;

    if( pSrcList ){
      for(i=0, pItem=pSrcList->a; i<pSrcList->nSrc; i++, pItem++){



        pTab = pItem->pTab;
        assert( pTab!=0 && pTab->zName!=0 );
        assert( pTab->nCol>0 );
        if( pItem->pSelect && (pItem->pSelect->selFlags & SF_NestedFrom)!=0 ){
          int hit = 0;
          pEList = pItem->pSelect->pEList;
          for(j=0; j<pEList->nExpr; j++){
................................................................................
      }
    } /* if( pSrcList ) */

#ifndef SQLITE_OMIT_TRIGGER
    /* If we have not already resolved the name, then maybe 
    ** it is a new.* or old.* trigger argument reference
    */
    if( zDb==0 && zTab!=0 && cntTab==0 && pParse->pTriggerTab!=0 ){
      int op = pParse->eTriggerOp;

      assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT );
      if( op!=TK_DELETE && sqlite3StrICmp("new",zTab) == 0 ){
        pExpr->iTable = 1;
        pTab = pParse->pTriggerTab;
      }else if( op!=TK_INSERT && sqlite3StrICmp("old",zTab)==0 ){
        pExpr->iTable = 0;
        pTab = pParse->pTriggerTab;
................................................................................
          if( sqlite3StrICmp(pCol->zName, zCol)==0 ){
            if( iCol==pTab->iPKey ){
              iCol = -1;
            }
            break;
          }
        }
        if( iCol>=pTab->nCol && sqlite3IsRowid(zCol) && HasRowid(pTab) ){
          iCol = -1;        /* IMP: R-44911-55124 */
        }
        if( iCol<pTab->nCol ){
          cnt++;
          if( iCol<0 ){
            pExpr->affinity = SQLITE_AFF_INTEGER;
          }else if( pExpr->iTable==0 ){
................................................................................
      }
    }
#endif /* !defined(SQLITE_OMIT_TRIGGER) */

    /*
    ** Perhaps the name is a reference to the ROWID
    */
    assert( pTab!=0 || cntTab==0 );
    if( cnt==0 && cntTab==1 && sqlite3IsRowid(zCol) && HasRowid(pTab) ){
      cnt = 1;
      pExpr->iColumn = -1;     /* IMP: R-44911-55124 */
      pExpr->affinity = SQLITE_AFF_INTEGER;
    }

    /*
    ** If the input is of the form Z (not Y.Z or X.Y.Z) then the name Z

Changes to test/tableopts.test. 

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} {1 {unknown table option: unknown2}}

do_execsql_test tableopt-2.1 {
  CREATE TABLE t1(a, b, c, PRIMARY KEY(a,b)) WITHOUT rowid;
  INSERT INTO t1 VALUES(1,2,3),(2,3,4);
  SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;
} {3 4}















do_execsql_test tableopt-2.2 {
  VACUUM;
  SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;
} {3 4}
do_test tableopt-2.3 {
  sqlite3 db2 test.db
  db2 eval {SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;}








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} {1 {unknown table option: unknown2}}

do_execsql_test tableopt-2.1 {
  CREATE TABLE t1(a, b, c, PRIMARY KEY(a,b)) WITHOUT rowid;
  INSERT INTO t1 VALUES(1,2,3),(2,3,4);
  SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;
} {3 4}
do_test tableopt-2.1.1 {
  catchsql {
    SELECT rowid, * FROM t1;
  }
} {1 {no such column: rowid}}
do_test tableopt-2.1.2 {
  catchsql {
    SELECT _rowid_, * FROM t1;
  }
} {1 {no such column: _rowid_}}
do_test tableopt-2.1.3 {
  catchsql {
    SELECT oid, * FROM t1;
  }
} {1 {no such column: oid}}
do_execsql_test tableopt-2.2 {
  VACUUM;
  SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;
} {3 4}
do_test tableopt-2.3 {
  sqlite3 db2 test.db
  db2 eval {SELECT c FROM t1 WHERE a IN (1,2) ORDER BY b;}

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