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- // BDE - (C) Copyright 1995 by Borland International
-
- // batmove.c
- #include "snipit.h"
-
- #define NAMELEN 10 // Length of the name fields.
- #define PLACELEN 20 // Length of the POB field.
- #define DATELEN 11 // Display length for a date field: mm\dd\yyyy.
-
- static const char szDBTblName[] = "DBPeople";
- static const char szDBTblType[] = szDBASE;
-
- // Field descriptor used in creating a table.
- static SNIPFAR FLDDesc DBfldDesc[] = {
- { // Field 1 - First Name
- 1, // Field number
- "Name", // Field name
- fldZSTRING, // Field type
- fldUNKNOWN, // Field subtype
- NAMELEN, // Field size ( 1 or 0, except
- // BLOB or CHAR field )
- 0, // Decimal places ( 0 )
- // computed
- 0, // Offset in record ( 0 )
- 0, // Length in bytes ( 0 )
- 0, // For NULL bits ( 0 )
- fldvNOCHECKS, // Validity checks ( 0 )
- fldrREADWRITE // Rights
- },
- { // Field 2 - Place of Birth
- 2, "POB", fldZSTRING, fldUNKNOWN, PLACELEN,
- 0, 0, 0, 0, fldvNOCHECKS, fldrREADWRITE
- },
- { // Field 3 - Date of Birth
- 3, "DOB", fldZSTRING, fldUNKNOWN, DATELEN,
- 0, 0, 0, 0, fldvNOCHECKS, fldrREADWRITE
- }
- }; // Array of field descriptors
-
- // Index descriptor - describes the index associated with the
- // table.
- static SNIPFAR IDXDesc DBidxDesc[] = {
- { // Primary Index - Full Name
- "Name", // Name
- 1, // Number
- {"NAME"}, // Tag name ( for dBase )
- { NULL }, // Optional format ( BTREE,
- // HASH, etc )
- FALSE, // Primary?
- FALSE, // Unique?
- FALSE, // Descending?
- TRUE, // Maintained?
- FALSE, // SubSet?
- FALSE, // Expression index?
- NULL, // For QBE only
- 1, // Fields in key
- 1, // Length in bytes
- FALSE, // Index out of date?
- 0, // Key type of expression
- { 1 }, // Array of field numbers
- { 0 }, // Key expression
- { 0 }, // Key condition
- FALSE, // Case insensitive
- 0, // Block size in bytes
- 0 // Restructure number
- },
- { // Secondary index 1 - Single field
- "POB", 2, {"POB1"}, { NULL }, FALSE, FALSE, FALSE,
- TRUE, FALSE, FALSE, NULL, 1, 1, FALSE, 0, { 2 },
- { 0 }, { 0 }, FALSE, 0, 0
- },
- { // Secondary index 2 - Single field
- "DOB", 3, {"DOB1"}, { NULL }, FALSE, FALSE, FALSE,
- TRUE, FALSE, FALSE, NULL, 1, 1, FALSE, 0, { 3 },
- { 0 }, { 0 }, FALSE, 0, 0
- }
-
- };
-
- static const char szPXTblName[] = "PXPeople";
- static const char szPXTblType[] = szPARADOX;
-
- // Field descriptor used in creating a table.
- static SNIPFAR FLDDesc PXfldDesc[] = {
- { // Field 1 - First Name
- 1, // Field number
- "First Name", // Field name
- fldZSTRING, // Field type
- fldUNKNOWN, // Field subtype
- NAMELEN, // Field size ( 1 or 0, except
- // BLOB or CHAR field )
- 0, // Decimal places ( 0 )
- // computed
- 0, // Offset in record ( 0 )
- 0, // Length in bytes ( 0 )
- 0, // For NULL bits ( 0 )
- fldvNOCHECKS, // Validity checks ( 0 )
- fldrREADWRITE // Rights
- },
- { // Field 2 - Middle Name
- 2, "Middle Name", fldZSTRING, fldUNKNOWN,
- NAMELEN, 0, 0, 0, 0,
- fldvNOCHECKS, fldrREADWRITE
- },
- { // Field 3 - Last Name
- 3, "Last Name", fldZSTRING, fldUNKNOWN,
- NAMELEN, 0, 0, 0, 0,
- fldvNOCHECKS, fldrREADWRITE
- },
- { // Field 4 - Date of Birth
- 4, "DOB", fldDATE, fldUNKNOWN,
- 0, 0, 0, 0, 0,
- fldvNOCHECKS, fldrREADWRITE
- },
- { // Field 5 - Place of Birth
- 5, "POB", fldZSTRING, fldUNKNOWN,
- PLACELEN, 0, 0, 0, 0,
- fldvNOCHECKS, fldrREADWRITE
- }
- }; // Array of field descriptors
-
- // Index descriptor - describes the index associated with the
- // table.
- static SNIPFAR IDXDesc PXidxDesc[] = {
- { // Primary Index - Full Name
- "Full Name", // Name
- 1, // Number
- { NULL }, // Tag name ( for dBase )
- { NULL }, // Optional format ( BTREE,
- // HASH, etc )
- TRUE, // Primary?
- TRUE, // Unique?
- FALSE, // Descending?
- TRUE, // Maintained?
- FALSE, // Subset?
- FALSE, // Expression index?
- NULL, // For QBE only
- 3, // Fields in key
- 1, // Length in bytes
- FALSE, // Index out of date?
- 0, // Key type of expression
- { 1,2,3 }, // Array of field numbers
- { 0 }, // Key expression
- { 0 }, // Key condition
- FALSE, // Case insensitive
- 0, // Block size in bytes
- 0 // Restructure number
- },
- { // Secondary Index 1 - Single field - Maintained,
- // Case insensitive
- "Last Name", 2, { NULL }, { NULL }, FALSE, FALSE, FALSE,
- TRUE, FALSE, FALSE, NULL, 1, 1, FALSE, 0, { 3 }, { 0 },
- { 0 }, TRUE, 0, 0
- },
- { // Secondary Index 2 - Single field - Not maintained
- "POB", 3, { NULL }, { NULL }, FALSE, FALSE, FALSE, FALSE,
- FALSE, FALSE, NULL, 1, 1, FALSE, 0, { 5 }, { 0 }, { 0 },
- FALSE, 0, 0
- }
- };
-
- static DBIResult AddRecord(phDBICur hCur, pCHAR pszFirst, pCHAR pszMiddle,
- pCHAR pszLast, UINT16 iMonth, UINT16 iDay,
- UINT16 iYear, pCHAR pszPOB);
- static DBIResult AddRecordDB(phDBICur hCur, pCHAR pszFirst, pCHAR pszPOB,
- pCHAR pszDate);
-
- static DBIResult CreateDBTable(phDBIDb phDb);
- static DBIResult CreatePXTable(phDBIDb phDb);
-
- //=====================================================================
- // Function:
- // BatchMove();
- //
- // Description:
- // This example shows how to use the DbiBatchMove function to
- // copy data from a Paradox table to a dBASE table.
- //=====================================================================
- void
- BatchMove (void)
- {
- hDBIDb hDb; // Handle to the database
- hDBICur hCurDB; // dBASE cursor handle
- hDBICur hCurPX; // PARADOX cursor handle
- UINT32 ulNumRecs = 0; // Number of records moved in BatchMove
- UINT32 ulChangedRecs = 0; // Number of records changed in BatchMove
- UINT32 ulKeyViolRecs = 0; // Number of key violations in BatchMove
- UINT32 ulProbRecs = 0; // Number of problem recs in BatchMove
- UINT16 uaSrcRecs[3] = {1,5,4}; // Fields to use in the source table
- DBIResult rslt; // Return value from IDAPI functions
- DBIPATH szKeyViol = "KEYVIOL";
- DBIPATH szProblems = "PROBLEMS";
- DBIPATH szChanged = "CHANGED"; // Names of temporary tables
-
- Screen("*** Table Copy Example ***\r\n");
-
- BREAK_IN_DEBUGGER();
-
- Screen(" Initializing IDAPI...");
- if (InitAndConnect(&hDb) != DBIERR_NONE)
- {
- Screen("\r\n*** End of Example ***");
- return;
- }
-
- Screen(" Setting the database directory...");
- rslt = DbiSetDirectory(hDb, (pCHAR) szTblDirectory);
- ChkRslt(rslt, "SetDirectory");
-
- Screen(" Create the %s dBASE table...", szDBTblName);
- if (CreateDBTable(&hDb) != DBIERR_NONE)
- {
- CloseDbAndExit(&hDb);
- Screen("\r\n*** End of Example ***");
- return;
- }
-
- Screen(" Open the %s table we just created...", szDBTblName);
- rslt = DbiOpenTable(hDb, (pCHAR) szDBTblName, (pCHAR) szDBTblType,
- NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
- xltFIELD, FALSE, NULL, &hCurDB);
- if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
- {
- CloseDbAndExit(&hDb);
- Screen("\r\n*** End of Example ***");
- return;
- }
-
- rslt = DbiSetToBegin(hCurDB);
- ChkRslt(rslt, "SetToBegin");
-
- Screen(" Displaying the %s table...", szDBTblName);
- DisplayTable(hCurDB, 0);
-
- Screen("\r\n Create the %s PARADOX table...", szPXTblName);
- if (CreatePXTable(&hDb) != DBIERR_NONE)
- {
- CloseDbAndExit(&hDb);
- Screen("\r\n*** End of Example ***");
- return;
- }
-
- Screen(" Open the %s table which we just created...",
- szPXTblName);
- rslt = DbiOpenTable(hDb, (pCHAR) szPXTblName, (pCHAR) szPXTblType,
- NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
- xltFIELD, FALSE, NULL, &hCurPX);
- if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
- {
- CloseDbAndExit(&hDb);
- Screen("\r\n*** End of Example ***");
- return;
- }
-
- rslt = DbiSetToBegin(hCurPX);
- ChkRslt(rslt, "SetToBegin");
-
- Screen(" Displaying the %s table...", szPXTblName);
- DisplayTable(hCurPX, 0);
-
- rslt = DbiSetToBegin(hCurPX);
- ChkRslt(rslt, "SetToBegin");
-
- Screen("\r\n Appending the %s table to the %s table...",
- szPXTblName, szDBTblName);
- rslt = DbiBatchMove(NULL, hCurPX, NULL, hCurDB, batAPPEND, 3,
- uaSrcRecs, 0, 0, 0, szKeyViol, szProblems,
- szChanged, &ulProbRecs, &ulKeyViolRecs,
- &ulChangedRecs, FALSE, FALSE, &ulNumRecs, TRUE);
- ChkRslt(rslt, "Batch Move");
-
- rslt = DbiSetToBegin(hCurDB);
- ChkRslt(rslt, "SetToBegin");
-
- Screen(" Displaying the updated %s table...", szDBTblName);
- DisplayTable(hCurDB, 0);
-
- Screen("\r\n Close the %s table...", szPXTblName);
- rslt = DbiCloseCursor(&hCurPX);
- ChkRslt(rslt, "CloseCur");
-
- Screen(" Delete the %s table...", szPXTblName);
- rslt = DbiDeleteTable(hDb,(pCHAR) szPXTblName, (pCHAR) szPXTblType);
- ChkRslt(rslt, "DeleteTable");
-
- Screen(" Close the %s table...", szDBTblName);
- rslt = DbiCloseCursor(&hCurDB);
- ChkRslt(rslt, "CloseCur");
-
- Screen(" Delete the %s table...", szDBTblName);
- rslt = DbiDeleteTable(hDb,(pCHAR) szDBTblName, (pCHAR) szDBTblType);
- ChkRslt(rslt, "DeleteTable");
-
- Screen(" Close the database and exit IDAPI...");
- CloseDbAndExit(&hDb);
-
- Screen("\r\n*** End of Example ***");
- }
-
- //=====================================================================
- // Function:
- // CreateDBTable(phDb);
- //
- // Input: phDb - Pointer to the database handle
- //
- // Return: Result of the table initialization
- //
- // Description:
- // This function creates a dBASE table and fills the table
- // with a few records.
- //=====================================================================
- DBIResult
- CreateDBTable (phDBIDb phDb)
- {
- DBIResult rslt; // Value returned from IDAPI functions
- hDBICur hCur; // Cursor handle for the table that is
- // created
- CRTblDesc crTblDsc; // Table descriptor
- BOOL bOverWrite = TRUE; // Overwrite, yes/no flag
-
- // The number of fields in the table - note that DBfldDesc is defined
- // globally.
- const unsigned uNumFields = sizeof(DBfldDesc) / sizeof (DBfldDesc[0]);
-
- // Number of indexes to be created when the table is created.
- const unsigned uNumIndexes = sizeof(DBidxDesc) / sizeof(DBidxDesc[0]);
-
- // Initialize the table create descriptor.
- memset(&crTblDsc, 0, sizeof(CRTblDesc));
- strcpy(crTblDsc.szTblName, szDBTblName);
- strcpy(crTblDsc.szTblType, szDBTblType);
- crTblDsc.iFldCount = uNumFields;
- crTblDsc.pfldDesc = DBfldDesc;
- crTblDsc.iIdxCount = uNumIndexes ;
- crTblDsc.pidxDesc = DBidxDesc ;
-
- // Create the table using information supplied in the table
- // descriptor above.
- rslt = DbiCreateTable(*phDb, bOverWrite, &crTblDsc);
- if (ChkRslt(rslt, "CreateTable") != DBIERR_NONE)
- {
- return rslt;
- }
-
- // Open the table.
- rslt = DbiOpenTable(*phDb, (pCHAR) szDBTblName, (pCHAR) szDBTblType,
- NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
- xltFIELD, FALSE, NULL, &hCur);
- if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
- {
- return rslt;
- }
-
- // Add records to the table.
- AddRecordDB(&hCur, "Jeffery", "San Jose", "1/28/1967");
- AddRecordDB(&hCur, "William", "New York", "8/12/1970");
- AddRecordDB(&hCur, "Jimmy", "San Francisco", "3/10/1924");
- AddRecordDB(&hCur, "Larry", "Germany", "12/22/1933");
-
- rslt = DbiCloseCursor(&hCur);
- ChkRslt(rslt, "CloseCursor");
-
- return rslt;
- }
-
- //=====================================================================
- // Function:
- // CreatePXTable(phDb);
- //
- // Input: phDb - Pointer to the database handle
- //
- // Return: Result of the table initialization
- //
- // Description:
- // This function will create a Paradox table and fill the
- // table with a few records.
- //=====================================================================
- DBIResult
- CreatePXTable (phDBIDb phDb)
- {
- DBIResult rslt; // Value returned from IDAPI functions
- hDBICur hCur; // Cursor handle for the table that is
- // created
- CRTblDesc crTblDsc; // Table descriptor
- BOOL bOverWrite = TRUE; // Overwrite, yes/no flag
-
- // The number of fields in the table.
- const unsigned uNumFields = sizeof(PXfldDesc) / sizeof (PXfldDesc[0]);
-
- // Number of indexes to be created when the table is created.
- const unsigned uNumIndexes = sizeof(PXidxDesc) / sizeof(PXidxDesc[0]);
-
- // Initialize the table create descriptor.
- memset(&crTblDsc, 0, sizeof(CRTblDesc));
- strcpy(crTblDsc.szTblName, szPXTblName);
- strcpy(crTblDsc.szTblType, szPXTblType);
- crTblDsc.iFldCount = uNumFields;
- crTblDsc.pfldDesc = PXfldDesc;
- crTblDsc.iIdxCount = uNumIndexes;
- crTblDsc.pidxDesc = PXidxDesc;
-
- // Create the table using information supplied in the table
- // descriptor above.
- rslt = DbiCreateTable(*phDb, bOverWrite, &crTblDsc);
- if (ChkRslt(rslt, "CreateTable") != DBIERR_NONE)
- {
- return rslt;
- }
-
- rslt = DbiOpenTable(*phDb, (pCHAR) szPXTblName, (pCHAR) szPXTblType,
- NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
- xltFIELD, FALSE, NULL, &hCur);
- if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
- {
- return rslt;
- }
-
- AddRecord(&hCur, "David", "John", "Smith", 7, 28, 1968, "Chicago");
- AddRecord(&hCur, "Tracy", "Joy", "Thomas", 12, 27, 1969, "Hermosa Beach");
- AddRecord(&hCur, "John", "Boy", "Doe", 2, 7, 1954, "Ohmaha");
- AddRecord(&hCur, "Klaus", "Epstein", "Stern", 4, 13, 1970, "Tel Aviv");
-
- rslt = DbiCloseCursor(&hCur);
- ChkRslt(rslt, "CloseCursor");
-
- return rslt;
- }
-
- //=====================================================================
- // Function:
- // AddRecordDB(hCur, pszName, pszPOB, pszDate);
- //
- // Input: hCur - Cursor handle
- // pszName - Value for the name field
- // pszDate - Value for the date field
- // pszPOB - Value for the "Place of Birth" field
- //
- // Return: Result of adding the record to the table
- //
- // Description:
- // This function will add a record to the given dBASE table.
- //=====================================================================
- DBIResult
- AddRecordDB (phDBICur hCur, pCHAR pszName, pCHAR pszPOB, pCHAR pszDate)
- {
- DBIResult rslt; // Value returned from IDAPI functions
- CURProps TblProps; // Table properties
- pBYTE pRecBuf; // Record buffer
-
- // Allocate a record buffer
- rslt = DbiGetCursorProps(*hCur, &TblProps);
- ChkRslt(rslt, "GetProps");
-
- pRecBuf = (pBYTE) malloc(TblProps.iRecBufSize * sizeof(BYTE));
- if (pRecBuf == NULL)
- {
- Screen(" Error - Out of memory");
- return DBIERR_NOMEMORY;
- }
-
- // Clear, fill, and insert the record.
- rslt = DbiInitRecord(*hCur, pRecBuf);
- ChkRslt(rslt, "InitRecord");
-
- rslt = DbiPutField(*hCur, 1, pRecBuf, (pBYTE) pszName);
- ChkRslt(rslt, "PutField");
-
- rslt = DbiPutField(*hCur, 2, pRecBuf, (pBYTE) pszPOB);
- ChkRslt(rslt, "PutField");
-
- rslt = DbiPutField(*hCur, 3, pRecBuf, (pBYTE) pszDate);
- ChkRslt(rslt, "PutField");
-
- rslt = DbiInsertRecord(*hCur, dbiNOLOCK, pRecBuf);
- ChkRslt(rslt, "InsertRec");
-
- free(pRecBuf);
-
- return rslt;
- }
-
- //=====================================================================
- // Function:
- // AddRecord(hCur, pszFirst, pszMiddle, pszLast, iMonth, iDay,
- // iYear, pszPOB);
- //
- // Input: hCur - Pointer to the cursor handle
- // pszFirst - First name
- // pszMiddle - Middle name
- // pszLast - Last name
- // iMonth - Month of Birth
- // iDay - Day of Birth
- // iYear - Year of Birth
- // pszPOB - Place of birth
- //
- // Return: Result of adding the record to the table
- //
- // Description:
- // This function will add a record to the given table.
- //=====================================================================
- DBIResult
- AddRecord (phDBICur hCur, pCHAR pszFirst, pCHAR pszMiddle, pCHAR pszLast,
- UINT16 iMonth, UINT16 iDay, UINT16 iYear, pCHAR pszPOB)
- {
- DBIDATE Date; // Date structure
- DBIResult rslt; // Value returned from IDAPI functions
- CURProps TblProps; // Table Properties
- pBYTE pRecBuf; // Record Buffer
-
- // Allocate a record buffer.
- rslt = DbiGetCursorProps(*hCur, &TblProps);
- ChkRslt(rslt, "GetCursorProps");
-
- pRecBuf = (pBYTE) malloc(TblProps.iRecBufSize * sizeof(BYTE));
- if (pRecBuf == NULL)
- {
- return DBIERR_NOMEMORY;
- }
-
- // Make sure we're starting with a clean record buffer.
- rslt = DbiInitRecord(*hCur, pRecBuf);
- ChkRslt(rslt, "InitRecord");
-
- // First Name.
- rslt = DbiPutField(*hCur, 1, pRecBuf, (pBYTE) pszFirst);
- ChkRslt(rslt, "PutField");
-
- // Middle Name.
- rslt = DbiPutField(*hCur, 2, pRecBuf, (pBYTE) pszMiddle);
- ChkRslt(rslt, "PutField");
-
- // Last Name.
- rslt = DbiPutField(*hCur, 3, pRecBuf, (pBYTE) pszLast);
- ChkRslt(rslt, "PutField");
-
- // Date of Birth.
- rslt = DbiDateEncode(iMonth, iDay, iYear, &Date);
- ChkRslt(rslt, "DateEncode");
-
- rslt = DbiPutField(*hCur, 4, pRecBuf, (pBYTE) &Date);
- ChkRslt(rslt, "PutField");
-
- // Place of Birth.
- rslt = DbiPutField(*hCur, 5, pRecBuf, (pBYTE) pszPOB);
- ChkRslt(rslt, "PutField");
-
- rslt = DbiInsertRecord(*hCur, dbiNOLOCK, pRecBuf),
- ChkRslt(rslt, "InsertRecord");
-
- free(pRecBuf);
-
- return rslt;
- }
-