| un |  |
| realisamdoc readnext | ...Read the next key in the current index . This function is generally used after a call to ReadFirstKey or un ReadDirectKey. The index is not specified in the call. ... |
| realisamdoc readrecord | ... Read a data record. A character string pointer un pointeur is provided as a receiving buffer. The memory allocated for this transfer must be large enough to receive the data. If the length is totally unknown, a call to RecordLength function allows to allocate the right amount of memory. ReadRec... |
| under | |
| example stat | ...These measures were conducted using a desktop PC, under Windows XP-SP2, processor AMD Athlon XP 2800 (2.0 Ghz), RAM 512 MB, Hard Drive 120 GBytes. Values can vary depending on the PC characteristics. ... |
| realisamdoc deleterecord | ...Delete a data record (more precisely, rewrite the record with a null data length). The free space is not managed under realisam. It is recommended to write an utility to copy a old database in a new one if there is too many records deleted. ... |
| realisamdoc overview | ...RealIsam is a 32-bits DLL and can be interfaced to any 32 bits application developped under Win95,Win98, NT,XP. ... |
| realisamdoc readprev | ...rc = 0 : error or empty index, or under first key ... |
| unique | |
| example add | ...ReadDirectKey(INDEX,Key,RetKey,&recdata); if (rc) // Exists if == 1 { if (multi==0) // Unique Keys : Concatenate definitions { rc=dict->ReadRecord(str,recdata); strcat(str,"\r\n"); strcat(str,buffer); rc = dict->RewriteRecord(str, strlen(s... |
| example principle | ...Indexation with unique keys... |
| realisamdoc getindex | ...Int mode = 0 if unique keys, 1 if duplicate keys. ... |
| realisamdoc overview | ...Unique or duplicate keys ... |
| realisamdoc setindex | ... Define is keys are unique or duplicate for a specified index. realisam allows 64 index per database, from ... |
| realisamdoc setindex | .... If the index was declared with a unique type of key, it returns an error when trying to write again the same key. For indexes with duplicate keys, there is no limit to the number of duplicate keys. If this function is not called, the default value is 0 (no duplicate keys). ... |
| realisamdoc writekey | ...SetIndexMode(0,UNIQUE); rc = db1->SetIndexMode(1,DUPLICATE); rc = db2->OpenEngine("scripts",504,"ndx","dat"); // 504 + 8 ==> 512 !! rc = db2->SetIndexMode(0,UNIQUE); if (!rc) { error db2 ... } strcpy(key,"doc30134"); recdata = db1->GetNewRecordNumber(); rc = db1->WriteKey(0,key,rec... |
| realisamdoc writekey | ... ................... realisam *db1; realisam *db2; .................. //APPLIC.CPP // constructor or setup ................ #define UNIQUE 0 #define DUPLICATE 1 db1 = new realisam(); db2 = new realisam(); ................ // Routine int rc; int recdata; char key[... |
| realisamdoc writekey | ...SetIndexMode(0,UNIQUE); if (!rc) { error db2 ... } strcpy(key,"doc30134"); recdata = db1->GetNewRecordNumber(); rc = db1->WriteKey(0,key,recdata); // index 0 if (!rc) { error / duplicate key ... } rc = db1->WriteKey(1,"politics",recdata); // on index 1 , duplicate keys allowed... |
| unique_key | |
| realisamdoc getnew | ...SetIndexMode(0,UNIQUE_KEY); strcpy(key,"doc30134"); recdata = db1->GetNewRecordNumber(); rc = db1->WriteKey(0,key,recdata); // index 0 if (!rc) { error / duplicate key... } else { // data are stored in buffer rc = db1->WriteRecord(buffer,strlen(buffer)); ... |
| unique_keys | |
| realisamdoc setindex | .................... realisam *db1; realisam *db2; .................. //APPLIC.CPP // constructor or setup ................ #define UNIQUE_KEYS 0 #define DUPLICATE_KEYS 1 db1 = new realisam(); db2 = new realisam(); ................ // Routine int rc; rc = db1->... |
| realisamdoc setindex | ...SetIndexMode(0,UNIQUE_KEYS); if (!rc) { error db2 ... } // End rc = db1->CloseEngine(); rc = db2->CloseEngine(); ... |
| realisamdoc setindex | ...SetIndexMode(0,UNIQUE_KEYS); rc = db1->SetIndexMode(1,DUPLICATE_KEYS); rc = db2->OpenEngine("scripts",504,,"ndx","dat"); // 504 + 8 ==> 512 !! rc = db2->SetIndexMode(0,UNIQUE_KEYS); if (!rc) { error db2 ... } // End rc = db1->CloseEngine(); rc = db2->CloseEngine(); ... |
| unknown | |
| realisamdoc readrecord | ...ur is provided as a receiving buffer. The memory allocated for this transfer must be large enough to receive the data. If the length is totally unknown, a call to RecordLength function allows to allocate the right amount of memory. ReadRecord restores the entire data written previously, includin... |
| unlink | |
| example duplicate | ...Cursor; strcpy(name,dict_directory);strcat(name,"dupli.ndx"); rc = unlink (name); strcpy(name,dict_directory);strcat(name,"dupli.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); strcpy(name,dict_directory);strcat(name,"dupli"); rc = dupli->OpenEngine(nam... |
| example duplicate | ...sor; strcpy(name,dict_directory);strcat(name,"dupli.ndx"); rc = unlink (name); strcpy(name,dict_directory);strcat(name,"dupli.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); strcpy(name,dict_directory);strcat(name,"dupli"); rc = dupli->OpenEngine(name,1... |
| example restore | ...CloseEngine(); // delete isam files strcpy(name,dict_directory);strcat(name,"dict.ndx"); rc = unlink (name); strcpy(name,dict_directory);strcat(name,"dict.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); eWord->Text==""; mWord->Clear(); gettime(&t); ... |
| example restore | ...am files strcpy(name,dict_directory);strcat(name,"dict.ndx"); rc = unlink (name); strcpy(name,dict_directory);strcat(name,"dict.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); eWord->Text==""; mWord->Clear(); gettime(&t); nbsec1 = t.ti_hour*3600+t.ti_... |
| example start | ... isam files strcpy(tmp,dict_directory);strcat(tmp,"dict.ndx"); rc = unlink (tmp); strcpy(name,dict_directory);strcat(name,"dict.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); eWord->Text=""; mWord->Clear(); RK->Caption = ""; lKeys->Caption = ""... |
| example start | ...CloseEngine(); // delete isam files strcpy(tmp,dict_directory);strcat(tmp,"dict.ndx"); rc = unlink (tmp); strcpy(name,dict_directory);strcat(name,"dict.dat"); rc =unlink (name); Screen->Cursor = crHourGlass; DisableButtons(); eWord->Text=""; mWord->Clear(); RK->Caption... |
| update | |
| example principle | ...Update an Entry ... |
| example update | ... Update a definition record... |
| index_summary item50 | ...Update a definition record... |
| updated | |
| example update | ...SimpleText="Entry Updated"; } //--------------------------------------------------------------------------- ... |
| use | |
| realisamdoc getnew | ...Return the new physical position where to write data in the data file. Use a WriteRecord to write the data. ... |
| used | |
| realisamdoc closereopen | ... This function is used to save data, closing the files, and open them again for further processing. ... |
| realisamdoc constr | ...Return a pointer to the instance. This pointer has to be used for any call to realisam functions. ... |
| realisamdoc overview | ... Real Isam is a tool used to manage files using the well known ISAM method (Indexed Sequential Access Method). This method is still very convenient for applications such as Internet, Intranet, Text database retrieval, when you need to store and get variable length documents at very high spee... |
| realisamdoc readnext | ...Read the next key in the current index . This function is generally used after a call to ReadFirstKey or un ReadDirectKey. The index is not specified in the call. ... |
| user | |
| example include | ...lick(TObject *Sender); void __fastcall btAddClick(TObject *Sender); void __fastcall btVersionClick(TObject *Sender); private: // User declarations #define MAX_KEY 250 #define BUF_LEN 50000 struct time t1; struct time t2; int nbsec1,nbsec2,delta; realis... |
| example include | ... void __fastcall Search(); void __fastcall First(); void __fastcall EnableButtons(); void __fastcall DisableButtons(); public: // User declarations __fastcall TMainForm(TComponent* Owner); }; //--------------------------------------------------------------------------- ... |
| uses | |
| realisamdoc overview | ...RealIsam uses the object-oriented technology for a faster and easier development and to simplify the source code. ... |
| using | |
| example source | ... This program is written using the Borland C++ Builder (Version BCB5) ... |
| example stat | ...These measures were conducted using a desktop PC, under Windows XP-SP2, processor AMD Athlon XP 2800 (2.0 Ghz), RAM 512 MB, Hard Drive 120 GBytes. Values can vary depending on the PC characteristics. ... |
| realisamdoc overview | ... Real Isam is a tool used to manage files using the well known ISAM method (Indexed Sequential Access Method). This method is still very convenient for applications such as Internet, Intranet, Text database retrieval, when you need to store and get variable length documents at very high spee... |
| usually | |
| realisamdoc readdirect | ... 0 : Key not found (Retkey contains a key that is the closest key, usually the key before the searched key (in the alphabetic order). 1 : Key found : ReturnKey contains also Key ... |
| utility | |
| realisamdoc deleterecord | ... record (more precisely, rewrite the record with a null data length). The free space is not managed under realisam. It is recommended to write an utility to copy a old database in a new one if there is too many records deleted. ... |
