+/********** wxDb::GetNext() **********/
+bool wxDb::GetNext(void)
+{
+ if (SQLFetch(hstmt) == SQL_SUCCESS)
+ return(TRUE);
+ else
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return(FALSE);
+ }
+
+} // wxDb::GetNext()
+
+
+/********** wxDb::GetData() **********/
+bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned)
+{
+ assert(pData);
+ assert(cbReturned);
+
+ if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS)
+ return(TRUE);
+ else
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return(FALSE);
+ }
+
+} // wxDb::GetData()
+
+
+/********** wxDb::GetKeyFields() **********/
+int wxDb::GetKeyFields(char *tableName, wxDbColInf* colInf, int noCols)
+{
+ char szPkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Primary key table name */
+ char szFkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Foreign key table name */
+ short iKeySeq;
+// SQLSMALLINT iKeySeq;
+ char szPkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Primary key column */
+ char szFkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Foreign key column */
+ SQLRETURN retcode;
+ SDWORD cb;
+ int i;
+ wxString Temp0;
+ /*
+ * ---------------------------------------------------------------------
+ * -- 19991224 : mj10777 : Create ------
+ * -- : Three things are done and stored here : ------
+ * -- : 1) which Column(s) is/are Primary Key(s) ------
+ * -- : 2) which tables use this Key as a Foreign Key ------
+ * -- : 3) which columns are Foreign Key and the name ------
+ * -- : of the Table where the Key is the Primary Key -----
+ * -- : Called from GetColumns(char *tableName, ------
+ * -- int *numCols,const char *userID ) ------
+ * ---------------------------------------------------------------------
+ */
+
+ /*---------------------------------------------------------------------*/
+ /* Get the names of the columns in the primary key. */
+ /*---------------------------------------------------------------------*/
+ retcode = SQLPrimaryKeys(hstmt,
+ NULL, 0, /* Catalog name */
+ NULL, 0, /* Schema name */
+ (UCHAR *) tableName, SQL_NTS); /* Table name */
+
+ /*---------------------------------------------------------------------*/
+ /* Fetch and display the result set. This will be a list of the */
+ /* columns in the primary key of the tableName table. */
+ /*---------------------------------------------------------------------*/
+ while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ {
+ retcode = SQLFetch(hstmt);
+ if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ GetData( 4, SQL_C_CHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
+ //-------
+ for (i=0;i<noCols;i++) // Find the Column name
+ if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column
+ colInf[i].PkCol = iKeySeq; // Which Primary Key is this (first, second usw.) ?
+ } // if
+ } // while
+ SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
+
+ /*---------------------------------------------------------------------*/
+ /* Get all the foreign keys that refer to tableName primary key. */
+ /*---------------------------------------------------------------------*/
+ retcode = SQLForeignKeys(hstmt,
+ NULL, 0, /* Primary catalog */
+ NULL, 0, /* Primary schema */
+ (UCHAR *)tableName, SQL_NTS, /* Primary table */
+ NULL, 0, /* Foreign catalog */
+ NULL, 0, /* Foreign schema */
+ NULL, 0); /* Foreign table */
+
+ /*---------------------------------------------------------------------*/
+ /* Fetch and display the result set. This will be all of the foreign */
+ /* keys in other tables that refer to the tableName primary key. */
+ /*---------------------------------------------------------------------*/
+ Temp0.Empty();
+ szPkCol[0] = 0;
+ while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ {
+ retcode = SQLFetch(hstmt);
+ if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ GetData( 3, SQL_C_CHAR, szPkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
+ GetData( 7, SQL_C_CHAR, szFkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 8, SQL_C_CHAR, szFkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ Temp0.Printf(wxT("%s[%s] "),Temp0.c_str(),szFkTable); // [ ] in case there is a blank in the Table name
+ } // if
+ } // while
+ Temp0.Trim(); // Get rid of any unneeded blanks
+ if (Temp0 != wxT(""))
+ {
+ for (i=0;i<noCols;i++)
+ { // Find the Column name
+ if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column, store the Information
+ wxStrcpy(colInf[i].PkTableName,Temp0.c_str()); // Name of the Tables where this Primary Key is used as a Foreign Key
+ }
+ } // if
+ SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
+
+ /*---------------------------------------------------------------------*/
+ /* Get all the foreign keys in the tablename table. */
+ /*---------------------------------------------------------------------*/
+ retcode = SQLForeignKeys(hstmt,
+ NULL, 0, /* Primary catalog */
+ NULL, 0, /* Primary schema */
+ NULL, 0, /* Primary table */
+ NULL, 0, /* Foreign catalog */
+ NULL, 0, /* Foreign schema */
+ (UCHAR *)tableName, SQL_NTS); /* Foreign table */
+
+ /*---------------------------------------------------------------------*/
+ /* Fetch and display the result set. This will be all of the */
+ /* primary keys in other tables that are referred to by foreign */
+ /* keys in the tableName table. */
+ /*---------------------------------------------------------------------*/
+ i = 0;
+ while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ {
+ retcode = SQLFetch(hstmt);
+ if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ GetData( 3, SQL_C_CHAR, szPkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
+ GetData( 8, SQL_C_CHAR, szFkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ //-------
+ for (i=0;i<noCols;i++) // Find the Column name
+ {
+ if (!wxStrcmp(colInf[i].colName,szFkCol)) // We have found the (Foreign Key) Column
+ {
+ colInf[i].FkCol = iKeySeq; // Which Foreign Key is this (first, second usw.) ?
+ wxStrcpy(colInf[i].FkTableName,szPkTable); // Name of the Table where this Foriegn is the Primary Key
+ } // if
+ } // for
+ } // if
+ } // while
+ SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
+
+ return TRUE;
+
+} // wxDb::GetKeyFields()
+
+
+#if OLD_GETCOLUMNS
+/********** wxDb::GetColumns() **********/
+wxDbColInf *wxDb::GetColumns(char *tableName[], const char *userID)
+/*
+ * 1) The last array element of the tableName[] argument must be zero (null).
+ * This is how the end of the array is detected.
+ * 2) This function returns an array of wxDbColInf structures. If no columns
+ * were found, or an error occured, this pointer will be zero (null). THE
+ * CALLING FUNCTION IS RESPONSIBLE FOR DELETING THE MEMORY RETURNED WHEN IT
+ * IS FINISHED WITH IT. i.e.
+ *
+ * wxDbColInf *colInf = pDb->GetColumns(tableList, userID);
+ * if (colInf)
+ * {
+ * // Use the column inf
+ * .......
+ * // Destroy the memory
+ * delete [] colInf;
+ * }
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ int noCols = 0;
+ int colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString UserID;
+ wxString TableName;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
+ }
+ // Loop through each table name
+ int tbl;
+ for (tbl = 0; tableName[tbl]; tbl++)
+ {
+ TableName = tableName[tbl];
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ GetData( 8, SQL_C_SLONG, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
+ {
+ if (colInf[colNo].columnSize < 1)
+ {
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ }
+ else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(0);
+ }
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+/********** wxDb::GetColumns() **********/
+
+wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID)
+//
+// Same as the above GetColumns() function except this one gets columns
+// only for a single table, and if 'numCols' is not NULL, the number of
+// columns stored in the returned wxDbColInf is set in '*numCols'
+//
+// userID is evaluated in the following manner:
+// userID == NULL ... UserID is ignored
+// userID == "" ... UserID set equal to 'this->uid'
+// userID != "" ... UserID set equal to 'userID'
+//
+// NOTE: ALL column bindings associated with this wxDb instance are unbound
+// by this function. This function should use its own wxDb instance
+// to avoid undesired unbinding of columns.
+
+{
+ int noCols = 0;
+ int colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString UserID;
+ wxString TableName;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
+ }
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ // BJO 991214 : SQL_C_SSHORT instead of SQL_C_SLONG, otherwise fails on Sparc (probably all 64 bit architectures)
+ GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+ // Start Values for Primary/Foriegn Key (=No)
+ colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
+ colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].FkTableName[0] = 0; // Foreign key table name
+
+ // BJO 20000428 : Virtuoso returns type names with upper cases!
+ if (Dbms() == dbmsVIRTUOSO)
+ {
+ wxString s = colInf[colNo].typeName;
+ s = s.MakeLower();
+ wxStrcmp(colInf[colNo].typeName, s.c_str());
+ }
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
+ {
+ if (colInf[colNo].columnSize < 1)
+ {
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ }
+ else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Store Primary and Foriegn Keys
+ GetKeyFields(tableName,colInf,noCols);
+
+ if (numCols)
+ *numCols = noCols;
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+#else // New GetColumns
+
+
+/*
+ BJO 20000503
+ These are tentative new GetColumns members which should be more database
+ independant and which always returns the columns in the order they were
+ created.
+
+ - The first one (wxDbColInf *wxDb::GetColumns(char *tableName[], const
+ char* userID)) calls the second implementation for each separate table
+ before merging the results. This makes the code easier to maintain as
+ only one member (the second) makes the real work
+ - wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const
+ char *userID) is a little bit improved
+ - It doesn't anymore rely on the type-name to find out which database-type
+ each column has
+ - It ends by sorting the columns, so that they are returned in the same
+ order they were created
+*/
+
+typedef struct
+{
+ int noCols;
+ wxDbColInf *colInf;
+} _TableColumns;
+
+
+wxDbColInf *wxDb::GetColumns(char *tableName[], const char* userID)
+{
+ int i, j;
+ // The last array element of the tableName[] argument must be zero (null).
+ // This is how the end of the array is detected.
+
+ int noCols = 0;
+
+ // How many tables ?
+ int tbl;
+ for (tbl = 0 ; tableName[tbl]; tbl++);
+
+ // Create a table to maintain the columns for each separate table
+ _TableColumns *TableColumns = new _TableColumns[tbl];
+
+ // Fill the table
+ for (i = 0 ; i < tbl ; i++)
+
+ {
+ TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
+ if (TableColumns[i].colInf == NULL)
+ return NULL;
+ noCols += TableColumns[i].noCols;
+ }
+
+ // Now merge all the separate table infos
+ wxDbColInf *colInf = new wxDbColInf[noCols+1];
+
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
+
+ // Merge ...
+ int offset = 0;
+
+ for (i = 0 ; i < tbl ; i++)
+ {
+ for (j = 0 ; j < TableColumns[i].noCols ; j++)
+ {
+ colInf[offset++] = TableColumns[i].colInf[j];
+ }
+ }
+
+ delete [] TableColumns;
+
+ return colInf;
+} // wxDb::GetColumns() -- NEW
+
+
+wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID)
+//
+// Same as the above GetColumns() function except this one gets columns
+// only for a single table, and if 'numCols' is not NULL, the number of
+// columns stored in the returned wxDbColInf is set in '*numCols'
+//
+// userID is evaluated in the following manner:
+// userID == NULL ... UserID is ignored
+// userID == "" ... UserID set equal to 'this->uid'
+// userID != "" ... UserID set equal to 'userID'
+//
+// NOTE: ALL column bindings associated with this wxDb instance are unbound
+// by this function. This function should use its own wxDb instance
+// to avoid undesired unbinding of columns.
+{
+ SWORD noCols = 0;
+ int colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString UserID;
+ wxString TableName;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
+ }
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+ // Start Values for Primary/Foriegn Key (=No)
+ colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
+ colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].FkTableName[0] = 0; // Foreign key table name
+
+#ifdef _IODBC_
+ // IODBC returns the columnSize in bufferLength.. (bug)
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+#endif
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ // Get the intern datatype
+ switch (colInf[colNo].sqlDataType)
+ {
+ case SQL_VARCHAR:
+ case SQL_CHAR:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ break;
+
+ case SQL_TINYINT:
+ case SQL_SMALLINT:
+ case SQL_INTEGER:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ break;
+ case SQL_DOUBLE:
+ case SQL_DECIMAL:
+ case SQL_NUMERIC:
+ case SQL_FLOAT:
+ case SQL_REAL:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ break;
+ case SQL_DATE:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ break;
+#ifdef __WXDEBUG__
+ default:
+ wxString errMsg;
+ errMsg.sprintf("SQL Data type %d currently not supported by wxWindows", colInf[colNo].sqlDataType);
+ wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
+#endif
+ }
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Store Primary and Foreign Keys
+ GetKeyFields(tableName,colInf,noCols);
+
+ ///////////////////////////////////////////////////////////////////////////
+ // Now sort the the columns in order to make them appear in the right order
+ ///////////////////////////////////////////////////////////////////////////
+
+ // Build a generic SELECT statement which returns 0 rows
+ wxString Stmt;
+
+ Stmt.sprintf("select * from %s where 0=1", tableName);
+
+ // Execute query
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ // Get the number of result columns
+ if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ if (noCols == 0) // Probably a bogus table name
+ return NULL;
+
+ // Get the name
+ int i;
+ short colNum;
+ UCHAR name[100];
+ SWORD Sword;
+ SDWORD Sdword;
+ for (colNum = 0; colNum < noCols; colNum++)
+ {
+ if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
+ name, sizeof(name),
+ &Sword, &Sdword) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ wxString Name1 = name;
+ Name1 = Name1.Upper();
+
+ // Where is this name in the array ?
+ for (i = colNum ; i < noCols ; i++)
+ {
+ wxString Name2 = colInf[i].colName;
+ Name2 = Name2.Upper();
+ if (Name2 == Name1)
+ {
+ if (colNum != i) // swap to sort
+ {
+ wxDbColInf tmpColInf = colInf[colNum];
+ colInf[colNum] = colInf[i];
+ colInf[i] = tmpColInf;
+ }
+ break;
+ }
+ }
+ }
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ ///////////////////////////////////////////////////////////////////////////
+ // End sorting
+ ///////////////////////////////////////////////////////////////////////////
+
+ if (numCols)
+ *numCols = noCols;
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+#endif // #else OLD_GETCOLUMNS
+
+
+/********** wxDb::GetColumnCount() **********/
+int wxDb::GetColumnCount(char *tableName, const char *userID)
+/*
+ * Returns a count of how many columns are in a table.
+ * If an error occurs in computing the number of columns
+ * this function will return a -1 for the count
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ int noCols = 0;
+
+ RETCODE retcode;
+
+ wxString UserID;
+ wxString TableName;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = wxT("");
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = wxT("");
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ {
+ // Loop through each table name
+ {
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(-1);
+ }
+
+ // Count the columns
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ noCols++;
+
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(-1);
+ }
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return noCols;
+
+} // wxDb::GetColumnCount()
+
+
+/********** wxDb::GetCatalog() *******/
+wxDbInf *wxDb::GetCatalog(char *userID)
+/*
+ * ---------------------------------------------------------------------
+ * -- 19991203 : mj10777 : Create ------
+ * -- : Creates a wxDbInf with Tables / Cols Array ------
+ * -- : uses SQLTables and fills pTableInf; ------
+ * -- : pColInf is set to NULL and numCols to 0; ------
+ * -- : returns pDbInf (wxDbInf) ------
+ * -- - if unsuccesfull (pDbInf == NULL) ------
+ * -- : pColInf can be filled with GetColumns(..); ------
+ * -- : numCols can be filled with GetColumnCount(..); ------
+ * ---------------------------------------------------------------------
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ wxDbInf *pDbInf = NULL; // Array of catalog entries
+ int noTab = 0; // Counter while filling table entries
+ int pass;
+ RETCODE retcode;
+ SDWORD cb;
+ wxString tblNameSave;
+
+ wxString UserID;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = wxT("");
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = wxT("");
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ //-------------------------------------------------------------
+ pDbInf = new wxDbInf; // Create the Database Arrray
+ //-------------------------------------------------------------
+ // Table Information
+ // Pass 1 - Determine how many Tables there are.
+ // Pass 2 - Create the Table array and fill it
+ // - Create the Cols array = NULL
+ //-------------------------------------------------------------
+
+ for (pass = 1; pass <= 2; pass++)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open
+ tblNameSave = wxT("");
+
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+
+ if (retcode != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ pDbInf = NULL;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return pDbInf;
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information
+ {
+ if (pass == 1) // First pass, just count the Tables
+ {
+ if (pDbInf->numTables == 0)
+ {
+ GetData( 1, SQL_C_CHAR, (UCHAR*) pDbInf->catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) pDbInf->schema, 128+1, &cb);
+ }
+ pDbInf->numTables++; // Counter for Tables
+ } // if (pass == 1)
+ if (pass == 2) // Create and fill the Table entries
+ {
+ if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+ { // no, then create the Array
+ pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables];
+ noTab = 0;
+ } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+
+ GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb);
+ GetData( 5, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb);
+
+ noTab++;
+ } // if
+ } // while
+ } // for
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Query how many columns are in each table
+ for (noTab=0;noTab<pDbInf->numTables;noTab++)
+ {
+ (pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
+ }
+
+ return pDbInf;
+
+} // wxDb::GetCatalog()
+
+
+/********** wxDb::Catalog() **********/
+bool wxDb::Catalog(const char *userID, const char *fileName)
+/*
+ * Creates the text file specified in 'filename' which will contain
+ * a minimal data dictionary of all tables accessible by the user specified
+ * in 'userID'
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ assert(fileName && wxStrlen(fileName));
+
+ RETCODE retcode;
+ SDWORD cb;
+ char tblName[DB_MAX_TABLE_NAME_LEN+1];
+ wxString tblNameSave;
+ char colName[DB_MAX_COLUMN_NAME_LEN+1];
+ SWORD sqlDataType;
+ char typeName[30+1];
+ SWORD precision, length;
+
+ wxString UserID;
+
+ FILE *fp = fopen(fileName,"wt");
+ if (fp == NULL)
+ return(FALSE);
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = wxT("");
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = wxT("");
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ fclose(fp);
+ return(FALSE);
+ }
+
+ wxString outStr;
+ tblNameSave = wxT("");
+ int cnt = 0;
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (wxStrcmp(tblName,tblNameSave.c_str()))
+ {
+ if (cnt)
+ fputs("\n", fp);
+ fputs("================================ ", fp);
+ fputs("================================ ", fp);
+ fputs("===================== ", fp);
+ fputs("========= ", fp);
+ fputs("=========\n", fp);
+ outStr.sprintf(wxT("%-32s %-32s %-21s %9s %9s\n"),
+ wxT("TABLE NAME"), wxT("COLUMN NAME"), wxT("DATA TYPE"), wxT("PRECISION"), wxT("LENGTH"));
+ fputs(outStr.c_str(), fp);
+ fputs("================================ ", fp);
+ fputs("================================ ", fp);
+ fputs("===================== ", fp);
+ fputs("========= ", fp);
+ fputs("=========\n", fp);
+ tblNameSave = tblName;
+ }
+
+ GetData(3,SQL_C_CHAR, (UCHAR *)tblName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData(4,SQL_C_CHAR, (UCHAR *)colName, DB_MAX_COLUMN_NAME_LEN+1,&cb);
+ GetData(5,SQL_C_SSHORT,(UCHAR *)&sqlDataType,0, &cb);
+ GetData(6,SQL_C_CHAR, (UCHAR *)typeName, sizeof(typeName), &cb);
+ GetData(7,SQL_C_SSHORT,(UCHAR *)&precision, 0, &cb);
+ GetData(8,SQL_C_SSHORT,(UCHAR *)&length, 0, &cb);
+
+ outStr.sprintf("%-32s %-32s (%04d)%-15s %9d %9d\n",
+ tblName, colName, sqlDataType, typeName, precision, length);
+ if (fputs(outStr.c_str(), fp) == EOF)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ fclose(fp);
+ return(FALSE);
+ }
+ cnt++;
+ }
+
+ if (retcode != SQL_NO_DATA_FOUND)
+ DispAllErrors(henv, hdbc, hstmt);
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ fclose(fp);
+ return(retcode == SQL_NO_DATA_FOUND);
+
+} // wxDb::Catalog()
+
+
+bool wxDb::TableExists(const char *tableName, const char *userID, const char *tablePath)
+/*
+ * Table name can refer to a table, view, alias or synonym. Returns true
+ * if the object exists in the database. This function does not indicate
+ * whether or not the user has privleges to query or perform other functions
+ * on the table.
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ */
+{
+ wxString UserID;
+ wxString TableName;
+
+ assert(tableName && wxStrlen(tableName));
+
+ if (Dbms() == dbmsDBASE)
+ {
+ wxString dbName;
+ if (tablePath && wxStrlen(tablePath))
+ dbName.sprintf("%s\\%s.dbf",tablePath,tableName);
+ else
+ dbName.sprintf("%s.dbf",tableName);
+
+ bool exists;
+ exists = wxFileExists(dbName.c_str());
+ return exists;
+ }
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ RETCODE retcode;
+
+ // MySQL and Access cannot accept a user name when looking up table names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID,"") &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // All owners
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS,
+ NULL, 0); // All table types
+ }
+ else
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // All owners
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS,
+ NULL, 0); // All table types
+ }
+ if (retcode != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ retcode = SQLFetch(hstmt);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(DispAllErrors(henv, hdbc, hstmt));
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ return(TRUE);
+
+} // wxDb::TableExists()
+
+
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+/********** wxDB::TablePrivileges() **********/
+bool wxDB::TablePrivileges(const char *tableName, const char* priv,
+ const char *userID, const char *tablePath)
+{
+ wxDbTablePrivilegeInfo result;
+ SDWORD cbRetVal;
+ RETCODE retcode;
+
+ //We probably need to be able to dynamically set this based on
+ //the driver type, and state.
+ char curRole[]="public";
+
+ //Prologue here similar to db::TableExists()
+ wxString UserID;
+ wxString TableName;
+
+ assert(tableName && wxStrlen(tableName));
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // All owners
+ (UCHAR FAR *)TableName.GetData(), SQL_NTS);
+
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr ,"SQLTablePrivileges() returned %i \n",retcode);
+#endif
+ retcode = SQLBindCol (hstmt, 1, SQL_C_CHAR , &result.tableQual, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 2, SQL_C_CHAR , &result.tableOwner, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 3, SQL_C_CHAR , &result.tableName, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 4, SQL_C_CHAR , &result.grantor, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 5, SQL_C_CHAR , &result.grantee, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 6, SQL_C_CHAR , &result.privilege, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 7, SQL_C_CHAR , &result.grantable, 3, &cbRetVal);
+
+ retcode = SQLFetch(hstmt);
+ while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr,"Scanning %s privilege on table %s.%s granted by %s to %s\n",
+ result.privilege,result.tabowner,result.tabname,
+ result.grantor, result.grantee);
+#endif
+ if (UserID.IsSameAs(result.tableOwner,false) )
+ return TRUE;
+
+ if (UserID.IsSameAs(result.grantee,false) &&
+ !strcmp(result.privilege,priv))
+ return TRUE;
+
+ if (!strcmp(result.grantee,curRole) &&
+ !strcmp(result.privilege,priv))
+ return TRUE;
+
+ retcode = SQLFetch(hstmt);
+ }
+
+ return FALSE;
+
+} // wxDB::TablePrivileges
+#endif
projects / wxWidgets.git / blobdiff