Exemple #1
0
/***********************************************************************
** GetExistingTableDesc()
**
** This function will attempt to get various pieces of information about
** a given table name.  The table name needs to be fully qualified.
** A pointer to the table's description is returned.
************************************************************************/
TableDescription *GetExistingTableDesc(HDBC hdbc,char *table_name,ReturnStatus **RSPtr)
{
   TableDescription *table_ptr;
   TableInfo *TPtr;
//  char FullTableName[SQL_MAX_TABLE_NAME_LEN+1];

   *RSPtr=NULL;

   /* allocate space for the table description and initialize it */
   table_ptr=(TableDescription *)malloc(sizeof(TableDescription));
   memset(table_ptr,0,sizeof(TableDescription));

   /* make name into fully-qualified name, if it already isn't */
/*   error=FILENAME_RESOLVE_(table_name,(short)strlen(table_name),
                           FullTableName,(short)sizeof(FullTableName),
                           &fullname_length);
   FullTableName[fullname_length]=NULL;
   if(error){
      printf("%s File System error %d returned from FILENAME_RESOLVE_\n",
             g_errstr,error);
      free(table_ptr);
      return(NULL);
      }
*/

   /* allocate space for NOMAD specific information (used later) */
   table_ptr->NomadInfoPtr=(NomadInfo *)malloc(sizeof(NomadInfo));
   memset(table_ptr->NomadInfoPtr,0,sizeof(NomadInfo));

   /* allocate space for table's info and fill it in with data */
   table_ptr->TableInfoPtr=GetTableInfo(hdbc,table_name,FALSE,RSPtr);
   TPtr=table_ptr->TableInfoPtr;
   if(TPtr==NULL) {
      FreeTableDesc(table_ptr);
      return(NULL);
   }

   /* set other info values about the table */
/*   switch(result.filetype){
      case 1: TPtr->Organization=RELATIVE; break;
      case 2: TPtr->Organization=ENTRY_SEQ; break;
      case 0: // 0 mean unstructured file which we default to key-seq
      case 3: TPtr->Organization=KEY_SEQ; break;
      }
*/

/*>>>>might need to set additional NomadInfo values here */

   /* find required columns to use for key, zerosum, abort and... */
   /* ...last process id columns */
   *RSPtr=FindRequiredColumns(table_ptr);
   if(*RSPtr!=NULL){
      FreeTableDesc(table_ptr);
      return(NULL);
      }
   return(table_ptr);
   } /* end: GetExistingTableDesc() */
Exemple #2
0
/**********************************************************************
** get_table_info
**
** This function fills in the needed information into the array of table
** descriptions.
**********************************************************************/
short get_table_info(table_description *table_ptr[],short table_count)
{
   short i;
   ReturnStatus *RSPtr;
	HENV	henv;
	HDBC	hdbc;
	HSTMT hstmt;
	Boolean connected;
	RETCODE rc;

	RSPtr=NULL;
	// start a connection so we can use it to get the table info
	connected=FullConnect(gDataSource,gUID,gPWD,&henv,&hdbc);
	if(!connected) return(FAILURE);
	rc=SQLAllocStmt(hdbc,&hstmt);
	//>>>> check return code ???

   /* for each table, determine its format */
   for(i=0;i<table_count;i++){

      /* get format of table records, including column names */
      if(table_ptr[i]->Organization==KEY_SEQ){
         table_ptr[i]->pTable=GetTableInfo(hdbc,table_ptr[i]->TableName,FALSE,&RSPtr);
         }
      else{
         table_ptr[i]->pTable=GetTableInfo(hdbc,table_ptr[i]->TableName,TRUE,&RSPtr);
         }

      if(table_ptr[i]->pTable==NULL) {
			LogReturnStatus(RSPtr);
			FreeReturnStatus(RSPtr);
			return(FAILURE);
			}
		else{
			table_ptr[i]->henv=NULL;
			table_ptr[i]->hdbc=NULL;
			table_ptr[i]->hstmt=NULL;
			}
      }

	FullDisconnect(henv,hdbc);
   return(SUCCESS);
   } /* end of get_table_info() */
Exemple #3
0
void DBMS::Describe(string tableName) {
    if (currentDb.length() == 0) {
        cout << "choose a database first!" << endl;
        return;
    }
    GetTableInfo(tableName, 0);
    char s[10];
    string description = currentTable;
    description += "(";
    int i, j;
    for(i = 0; i < column.size(); i++) {
        description += column[i];
        if(type[i] == 0) {
            description += " char(";
            sprintf(s, "%d", size[i]);
            description.append(s, size[i] / 10 + 1);
            description += ")";
        }
        else if(type[i] == 1) {
            description += " int";
        }
        for(j = 0; j < key.size(); j++) {
            if(key[j] == i) {
                description += " primary key";
                break;
            }
        }
        if(column.size() - i == 1) {
            description += ")";
        }
        else {
            description += ", ";
        }
    }
    cout << description << endl;
    
    

}
Exemple #4
0
/***********************************************************************
** CreateSQLTable()
**
** This function creates the SQL tables (and some day indexes and views)
** which don't already exist and will be used by the processes.
************************************************************************/
short CreateSQLTable(TableDescription *table_ptr)
{
   char command_line[SQL_MAX_COMMAND_LENGTH];
   char *StringPtr;
   NomadInfo *NPtr;
   TableInfo *TPtr;
   TableInfo *TempTPtr;
   ReturnStatus *RSPtr;
	RETCODE rc;
	HENV henv;
	HDBC hdbc;
	HSTMT hstmt;
   short table_num;


   NPtr=table_ptr->NomadInfoPtr;
   TPtr=table_ptr->TableInfoPtr;
   RSPtr=NULL;
	henv=table_ptr->henv;
	hdbc=table_ptr->hdbc;
	hstmt=table_ptr->hstmt;

   printf("NOMAD: creating SQL table '%s'\n",TPtr->TableName);

   /* First, make sure any old SQL tables are deleted */
   /* handle the case where NOPURGEUNTIL and SECURE */
   /* are set so that we can't drop the tables */
/*   sprintf(command_line,"ALTER TABLE %s SECURE 'OOOO' "
           "NOPURGEUNTIL 01 JAN 1980",TPtr->Tname);
   blank_pad(command_line,SQL_MAX_COMMAND_LENGTH);
   exec sql EXECUTE IMMEDIATE :command_line;
   if((sqlcode!=0)&&(sqlcode!=SQL_TABLE_NOT_FOUND)){
      //>>> handle error somehow
      sql_error();
      }
*/
   // now drop the tables (ignore errors since we don't care if table are there or not)
   sprintf(command_line,"DROP TABLE %s",TPtr->TableName);
	rc=SQLExecDirect(hstmt,command_line,SQL_NTS);

   sprintf(command_line,"DROP TABLE %sV",TPtr->TableName);
	rc=SQLExecDirect(hstmt,command_line,SQL_NTS);

   /* handle creation like an existing table */
   if(strlen(NPtr->like_name)!=0){
      sprintf(command_line,"CREATE TABLE %s LIKE %s",
              TPtr->TableName,NPtr->like_name);
		rc=SQLExecDirect(hstmt,command_line,SQL_NTS);
		if(!CHECKRC(SQL_SUCCESS,rc,"SQLExecDirect")){
         printf("%s return code=%d on %s\n",g_errstr,rc,command_line);
			LogAllErrors(henv,hdbc,hstmt);
			return(FAILURE);
			}
      }

   /* handle creation of a new table from scratch */
   else {

      StringPtr=BuildCreateTableString(TPtr);
      if(strlen(StringPtr)==0) return(FAILURE);
      strncpy(g_CommandLine,StringPtr,sizeof(g_CommandLine));
		rc=SQLExecDirect(hstmt,g_CommandLine,SQL_NTS);
		if(!CHECKRC(SQL_SUCCESS,rc,"SQLExecDirect")){
         printf("%s return code=%d\n",g_errstr,rc);
			LogAllErrors(henv,hdbc,hstmt);
			if(gDebug) assert(FALSE);
         FormatForSQLCI(StringPtr);
			return(FAILURE);
			}
      free(StringPtr);
   }

	// get info about table we just created
	if(TPtr->Organization==KEY_SEQ){
		TempTPtr=GetTableInfo(hdbc,TPtr->TableName,FALSE,&RSPtr);
		}
	else{
		TempTPtr=GetTableInfo(hdbc,TPtr->TableName,TRUE,&RSPtr);
		}

	FreeTableInfo(TPtr);
	TPtr=TempTPtr;
	table_ptr->TableInfoPtr=TempTPtr;

	RSPtr=FindRequiredColumns(table_ptr);
	if(RSPtr!=NULL){
		printf("ReturnType=%d  ReturnCode=%d\n%s\n%s\n",
				 RSPtr->ReturnType,RSPtr->ReturnCode,
				 RSPtr->Message1,RSPtr->Message2);
		return(FAILURE);
		}

	/* add the table name to the list (if it's already in... */
	/* ...the list then only its number is returned) */
	table_num=add_table(TPtr->TableName);
	if(table_num<0) {
		printf("%s Problem with table '%s'\n",g_errstr,TPtr->TableName);
		return(FAILURE);
	}

   return(SUCCESS);

   } /* end: CreateSQLTable() */
Exemple #5
0
void
vSetDefaultForms(
    EXTDEVMODE   *pEDM,
    HANDLE        hPrinter,           /* Access to the printer's data */
    PRASDDUIINFO pRasdduiInfo       /* Global Data Access */
)
{
    /*
     *    The default form is the first in the array of PaperSizes.
     *  Basically we need to set this into the first entry of the
     *  aFMBin[] array,  and also put the name into the DEVMODE.
     *  This then defines at least a minimal configuration that
     *  is valid for this printer.
     */

    short   sIndex;                  /* Mini driver index data */

    PAPERSIZE  *pPS;                 /* The paper size information */

    WCHAR   awchForm[ 64 ];          /* The name of the form */

    short   sDefaultPaperSrcIndex = -1 ;

    short   sDefaultPaperSrc = 0;

#if 0
    sIndex = *((short *)((BYTE *)pdh + pdh->loHeap +
                                      pModel->rgoi[ MD_OI_PAPERSIZE ]) );

    --sIndex;
    pPS = (PAPERSIZE *)GetTableInfoIndex( pdh, HE_PAPERSIZE, sIndex );
#endif

    pPS = (PAPERSIZE *)GetTableInfo( pdh, HE_PAPERSIZE, pEDM );

    if( pPS )
        sIndex = pPS->sPaperSizeID;          /* The desired index */
    else
        sIndex = 0;           /* This should not happen ever */


    if( sIndex >= pRasdduiInfo->cForms )
    {
        if( sIndex > DMPAPER_USER )
        {
            /*   A minidriver specific size:  use that string instead  */
            if( iLoadStringW( &WinResData, sIndex,
                                       awchForm, sizeof( awchForm ) ) )
            {

                for( sIndex = 0; sIndex < pRasdduiInfo->cForms; ++sIndex )
                {
                    if( wcscmp( awchForm, (pFIBase + sIndex)->pName ) == 0 )
                        break;
                }

                if( sIndex >= pRasdduiInfo->cForms )
                {
                    /*  Should not happen - we did not match the form */
                    sIndex = 0;           /* It might work */
                }
            }
            else
            {
                sIndex = 0;         /* Should never happen! */
            }
        }
        else
        {
#if DBG
            DbgPrint( "rasdd!vSetDefaultForms:  no match on default index %d\n",
                                                                    sIndex );
#endif
            sIndex = 0;
        }
    }
    else
    {
        /*
         *   Reduce the value by 1:  the resource IDs are one based, whereas
         * we are indexing an array,  and so want a 0 based value.
         */
        if( --sIndex < 0 )
            sIndex = 0;
    }

    if( sIndex == (DMPAPER_LETTER - 1) && !bIsUSA( hPrinter ) )
    {
        /*    Letter size paper is default, and this is not USA, so use A4! */

        sIndex = DMPAPER_A4 - 1;      /* See above re - 1 */
    }

    RASUIDBGP(DEBUG_TRACE,("Rasddui!vSetDefaultForms : Default PaperSize index is %d.\n",sIndex) );

    /* Put the default form in default PaperSource */

    /* Make the value 1 based */
    sDefaultPaperSrcIndex = pEDM->dx.rgindex[ HE_PAPERSOURCE ] + 1;

    RASUIDBGP(DEBUG_TRACE,("Rasddui!vSetDefaultForms : Default PaperSrc Index is %d.\n",sDefaultPaperSrcIndex-1) );

    /* Find the place of default Paper Source in FORM_MAP table. The value in rgindex[HE_PAPERSOURCE]
     * is papersource index value in the minidriver. We have to find out the place of this index
     * in the list. For example the list of papersource may be 1, 3, 5, 6 with 5 being the default.
     * In this case  FORM_MAP table entry number 3 (aFMBin[ 3 ]) has to be selected as paper source
     * 5 is third in the order.
     */

    if ( sDefaultPaperSrcIndex >= 1 )
    {
        short *psrc;

        psrc = (short *)((BYTE *)pdh + pdh->loHeap +
                                     pModel->rgoi[ MD_OI_PAPERSOURCE ] );
        for( sDefaultPaperSrc = 0 ; (*psrc && (*psrc != sDefaultPaperSrcIndex) ) ; ++sDefaultPaperSrc, ++psrc )
            ;

        RASUIDBGP(DEBUG_TRACE,("Rasddui!vSetDefaultForms : Default PaperSource is %dth item in the list.\n",sDefaultPaperSrc) );
        RASUIDBGP(DEBUG_TRACE,("Rasddui!vSetDefaultForms : Default PaperSrc Index in FORM_MAP table(aFMBin[%d]) is %d.\n",sDefaultPaperSrc, aFMBin[sDefaultPaperSrc].iPSIndex) );
        RASUIDBGP(DEBUG_TRACE,("Rasddui!vSetDefaultForms : Total number of Paperbins is %d.\n",NumPaperBins) );
    }

    if (sDefaultPaperSrc > NumPaperBins)
        sDefaultPaperSrc = 0;

    aFMBin[ sDefaultPaperSrc ].pfd = pFD + sIndex;

    if( pEDM )
    {
        wcsncpy( pEDM->dm.dmFormName, aFMBin[ sDefaultPaperSrc ].pfd->pFI->pName, CCHFORMNAME );
        pEDM->dm.dmFormName[ CCHFORMNAME - 1 ] = (WCHAR)0;

        pEDM->dm.dmPaperWidth = (short)aFMBin[ sDefaultPaperSrc ].pfd->pFI->Size.cx;
        pEDM->dm.dmPaperLength = (short)aFMBin[ sDefaultPaperSrc ].pfd->pFI->Size.cy;
        pEDM->dm.dmPaperSize = sIndex;

        pEDM->dm.dmFields |= DM_FORMNAME | DM_PAPERSIZE |
                                           DM_PAPERWIDTH | DM_PAPERLENGTH;

    }

    return;
}
Exemple #6
0
int wxLuaDebugData::GetTypeValue(lua_State *L, int stack_idx, int* wxl_type_, wxString& value)
{
    wxCHECK_MSG(L, 0, wxT("Invalid lua_State"));

    int l_type    = lua_type(L, stack_idx);
    int wxl_type  = wxlua_luatowxluatype(l_type);

    switch (l_type)
    {
        case LUA_TNONE:
        {
            value = wxEmptyString;
            break;
        }
        case LUA_TNIL:
        {
            value = wxT("nil");
            break;
        }
        case LUA_TBOOLEAN:
        {
            value = (lua_toboolean(L, stack_idx) != 0) ? wxT("true") : wxT("false");
            break;
        }
        case LUA_TLIGHTUSERDATA:
        {
            value = GetUserDataInfo(L, stack_idx, false);
            break;
        }
        case LUA_TNUMBER:
        {
            double num = lua_tonumber(L, stack_idx);

            if ((long)num == num)
                value.Printf(wxT("%ld (0x%lx)"), (long)num, (unsigned long)num);
            else
                value.Printf(wxT("%g"), num);

            break;
        }
        case LUA_TSTRING:
        {
            value = lua2wx(lua_tostring(L, stack_idx));
            break;
        }
        case LUA_TTABLE:
        {
            value = GetTableInfo(L, stack_idx);
            break;
        }
        case LUA_TFUNCTION:
        {
            value.Printf(wxT("%p"), lua_topointer(L, stack_idx));

            if (lua_iscfunction(L, stack_idx))
                wxl_type = WXLUA_TCFUNCTION;

            break;
        }
        case LUA_TUSERDATA:
        {
            value = GetUserDataInfo(L, stack_idx, true);
            break;
        }
        case LUA_TTHREAD:
        {
            value.Printf(wxT("%p"), lua_topointer(L, stack_idx));
            break;
        }
        default :
        {
            value = wxEmptyString;
            break;
        }
    }

    if (wxl_type_) *wxl_type_ = wxl_type;

    return l_type;
}
Exemple #7
0
void DBMS::Insert(string words) {
    string tableName;
    string::size_type x, y;
    x = words.find("insert into", 0);
    if (x != string::npos) {
        x += 12;
        y = words.find(" ", x);
        if (y != string::npos) {
            tableName = words.substr(x, y - x);
        }
    } else return;

    GetTableInfo(tableName, 0);

    vector<string> value;
    int first = 0;
    int second = 0;
    for (int k = 0; k<this->column.size(); k++) {
        first = words.find("\"", first);
        second = words.find("\"", first + 1);
        value.push_back(words.substr(first + 1, second - first - 1));
        first = second + 1;
    }
    string tabFile = "";
    tabFile = GetWholeName(this->currentDb) + "\\" + this->currentTable + ".tab";

    myfstream readfile; /*get file piece*/
    readfile.open(tabFile);
    while (!readfile.end()) {
        char* piece = new char[piece_length];
        readfile.read(piece);
        int max_tuple_num_in_piece = piece_length / this->tupleLength;
        for (int i = 0; i < max_tuple_num_in_piece; i++) {
            char* yuanzu = piece + i * (this->tupleLength + 1);
            if (yuanzu[0] == '\0')
                break;
            bool same = true;
            if (yuanzu[0] == 'y') { //yuanzu  option
                for (int j = 0; j < this->key.size(); j++) { //check  primaryKey
                    int index = this->key[j];
                    int position = this->position[index];
                    string parameterValue = value[index];
                    string key = yuanzu + position + 1;
                    if (key != parameterValue) {
                        same = false;
                        break;
                    }
                }
            }
            if (same) {//if same  ,quit
                delete[] piece;
                return;
            }
        }
        delete[] piece;
    }
    
    fstream writeTable;
    writeTable.open(tabFile.c_str(), ios::binary | ios::out | ios::in);
    writeTable.seekp(0, ios::end);
    int filelength = writeTable.tellp();
    //补全piece不足一个元组的文件位置
    int next_file_end = filelength + this->tupleLength + 1;
    int piece_eage = next_file_end / piece_length *piece_length;
    if ((piece_eage > filelength) && (piece_eage < next_file_end))
        while (writeTable.tellp() < piece_eage)
            writeTable.put('\0');

    writeTable.put('y');
    for (int m = 0; m < this->column.size(); m++) {
        int contentSize = this->size[m];
        string content = value[m];
        int valueType = this->type[m];
        if (valueType == 0) {
            content.append(contentSize, '\0');
            writeTable.write(content.data(), contentSize);
        } else if (valueType == 1) {
            int number = atoi(content.data());
            writeTable.write(reinterpret_cast<char*> (&number), contentSize);
        }
    }
    writeTable.close();


}