SQLite

  sqlite3_value **argv
){
  assert( pCsr->pAux==0 );
  pCsr->pAux = pAux;
  pAux->xFunc(&sFts5Api, (Fts5Context*)pCsr, context, argc, argv);
  pCsr->pAux = 0;
}

static Fts5Cursor *fts5CursorFromCsrid(Fts5Global *pGlobal, i64 iCsrId){
  Fts5Cursor *pCsr;
  for(pCsr=pGlobal->pCsr; pCsr; pCsr=pCsr->pNext){
    if( pCsr->iCsrId==iCsrId ) break;
  }
  return pCsr;
}

static void fts5ApiCallback(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){

  Fts5Auxiliary *pAux;
  Fts5Cursor *pCsr;
  i64 iCsrId;

  assert( argc>=1 );
  pAux = (Fts5Auxiliary*)sqlite3_user_data(context);
  iCsrId = sqlite3_value_int64(argv[0]);

  pCsr = fts5CursorFromCsrid(pAux->pGlobal, iCsrId);


  if( pCsr==0 ){
    char *zErr = sqlite3_mprintf("no such cursor: %lld", iCsrId);
    sqlite3_result_error(context, zErr, -1);
    sqlite3_free(zErr);
  }else{
    fts5ApiInvoke(pAux, pCsr, context, argc-1, &argv[1]);
  }

*/
Fts5Index *sqlite3Fts5IndexFromCsrid(
  Fts5Global *pGlobal, 
  i64 iCsrId, 
  int *pnCol
){
  Fts5Cursor *pCsr;

  Fts5Table *pTab;



  pCsr = fts5CursorFromCsrid(pGlobal, iCsrId);
  pTab = (Fts5Table*)pCsr->base.pVtab;

  *pnCol = pTab->pConfig->nCol;


  return pTab->pIndex;
}

/*
** Return a "position-list blob" corresponding to the current position of
** cursor pCsr via sqlite3_result_blob(). A position-list blob contains
** the current position-list for each phrase in the query associated with
** cursor pCsr.

  char *zRet = 0;
  if( pExpr->eType==FTS5_STRING ){
    Fts5ExprNearset *pNear = pExpr->pNear;
    int i; 
    int iTerm;

    zRet = fts5PrintfAppend(zRet, "[%s ", zNearsetCmd);
    if( zRet==0 ) return 0;
    if( pNear->iCol>=0 ){
      zRet = fts5PrintfAppend(zRet, "-col %d ", pNear->iCol);
      if( zRet==0 ) return 0;
    }

    if( pNear->nPhrase>1 ){
      zRet = fts5PrintfAppend(zRet, "-near %d ", pNear->nNear);

        zRet = fts5PrintfAppend(zRet, "%s%s", iTerm==0?"":" ", zTerm);
      }

      if( zRet ) zRet = fts5PrintfAppend(zRet, "}");
      if( zRet==0 ) return 0;
    }

    zRet = fts5PrintfAppend(zRet, "]");
    if( zRet==0 ) return 0;

  }else{
    char *zOp = 0;
    char *z1 = 0;
    char *z2 = 0;
    switch( pExpr->eType ){
      case FTS5_AND: zOp = "&&"; break;
      case FTS5_NOT: zOp = "&& !"; break;

      default: 
        assert( pExpr->eType==FTS5_OR );
        zOp = "||"; 
        break;
    }

    z1 = fts5ExprPrintTcl(pConfig, zNearsetCmd, pExpr->pLeft);
    z2 = fts5ExprPrintTcl(pConfig, zNearsetCmd, pExpr->pRight);
    if( z1 && z2 ){
      int b1 = pExpr->pLeft->eType!=FTS5_STRING;
      int b2 = pExpr->pRight->eType!=FTS5_STRING;

  }else{
    char *zOp = 0;
    char *z1 = 0;
    char *z2 = 0;
    switch( pExpr->eType ){
      case FTS5_AND: zOp = "AND"; break;
      case FTS5_NOT: zOp = "NOT"; break;

      default:  
        assert( pExpr->eType==FTS5_OR );
        zOp = "OR"; 
        break;
    }

    z1 = fts5ExprPrint(pConfig, pExpr->pLeft);
    z2 = fts5ExprPrint(pConfig, pExpr->pRight);
    if( z1 && z2 ){
      int b1 = pExpr->pLeft->eType!=FTS5_STRING;
      int b2 = pExpr->pRight->eType!=FTS5_STRING;

}

/*
** This function is used to access the current position list for phrase
** iPhrase.
*/
int sqlite3Fts5ExprPoslist(Fts5Expr *pExpr, int iPhrase, const u8 **pa){
  int nRet;
  Fts5ExprPhrase *pPhrase = pExpr->apExprPhrase[iPhrase];
  Fts5ExprNode *pNode = pPhrase->pNode;
  if( pNode->bEof==0 && pNode->iRowid==pExpr->pRoot->iRowid ){
    *pa = pPhrase->poslist.p;
    nRet = pPhrase->poslist.n;
  }else{

    *pa = 0;
    nRet = 0;
  }
  return nRet;
}

#endif /* SQLITE_ENABLE_FTS5 */

    } {
      set res [matchdata 0 $expr $bAsc]
      do_execsql_test $tn2.6.$bAsc.$tn.[llength $res] $sql $res
    }
  }
}

do_execsql_test 3.1 {
  SELECT fts5_expr_tcl('a AND b');
} {{[nearset -- {a}] && [nearset -- {b}]}}

finish_test

  SELECT my_rowid(z) FROM e11 WHERE e11 MATCH 'b'
} {1 {no such cursor: 45}}

do_catchsql_test 6.2 {
  SELECT my_rowid(y) FROM e11 WHERE e11 MATCH 'b'
} {1 {no such cursor: 0}}

#-------------------------------------------------------------------------
# Test passing an out-of-range phrase number to xPhraseSize (should 
# return 0).
#
proc my_phrasesize {cmd iPhrase} { $cmd xPhraseSize $iPhrase }
sqlite3_fts5_create_function db my_phrasesize my_phrasesize

do_execsql_test 7.1 {
  CREATE VIRTUAL TABLE t1 USING fts5(a);
  INSERT INTO t1 VALUES('a b c');
}
do_execsql_test 7.2 {
  SELECT 
    my_phrasesize(t1, -1),
    my_phrasesize(t1, 0),
    my_phrasesize(t1, 1),
    my_phrasesize(t1, 2)
  FROM t1 WHERE t1 MATCH 'a OR b+c'
} {0 1 2 0}

finish_test

}

do_faultsim_test 9.1 -faults oom-* -body {
  db eval { SELECT rowid FROM tt WHERE tt MATCH 'a NOT x' }
} -test {
  faultsim_test_result {0 {50 100 150 200}} {1 SQLITE_NOMEM}
}

}

#-------------------------------------------------------------------------
# OOM in fts5_expr() SQL function.
#












do_faultsim_test 10.1 -faults oom-t* -body {
  db one { SELECT fts5_expr('a AND b NEAR(a b)') }
} -test {
  faultsim_test_result {0 {"a" AND ("b" AND NEAR("a" "b", 10))}} 
}




do_faultsim_test 10.2 -faults oom-t* -body {
  db one { SELECT fts5_expr_tcl('x:"a b c" AND b NEAR(a b)', 'ns', 'x') }
} -test {
  set res {[ns -col 0 -- {a b c}] && ([ns -- {b}] && [ns -near 10 -- {a} {b}])}
  faultsim_test_result [list 0 $res]
}

do_faultsim_test 10.3 -faults oom-t* -body {
  db one { SELECT fts5_expr('x:a', 'x') }
} -test {
  faultsim_test_result {0 {x : "a"}}
}


finish_test

}

set hash [sqlite3_fts5_token_hash 1024 xyz]
set vocab [build_vocab1 -prefix xyz -hash $hash]
lappend vocab xyz

do_execsql_test 1.1 {
  CREATE VIRTUAL TABLE vocab USING fts5vocab(eee, 'row'); 
  BEGIN;
    WITH ii(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM ii WHERE i<100)
    INSERT INTO eee SELECT r($vocab, 5), r($vocab, 7) FROM ii;
    INSERT INTO eee(eee) VALUES('integrity-check');
}

do_test 1.2 {
  db eval { SELECT term, doc FROM vocab } {
    set nRow [db one {SELECT count(*) FROM eee WHERE eee MATCH $term}]
    if {$nRow != $doc} {
      error "term=$term fts5vocab=$doc cnt=$nRow"
    }
  }
  set {} {}
} {}

do_execsql_test 1.3 {
  COMMIT;
  INSERT INTO eee(eee) VALUES('integrity-check');
}


finish_test

# [faultsim_test_result] command created by [do_faultsim_test] and used
# by -test scripts.
#
proc faultsim_test_result_int {args} {
  upvar testrc testrc testresult testresult testnfail testnfail
  set t [list $testrc $testresult]
  set r $args
  if { ($testnfail==0 && $t != [lindex $r 0]) || [lsearch -exact $r $t]<0 } {
    error "nfail=$testnfail rc=$testrc result=$testresult list=$r"
  }
}

#--------------------------------------------------------------------------
# Usage do_one_faultsim_test NAME ?OPTIONS...? 
#