diff --git a/src/common/db.cpp b/src/common/db.cpp index 4063cdc163..6f0219a901 100644 --- a/src/common/db.cpp +++ b/src/common/db.cpp @@ -4,7 +4,7 @@ // to an ODBC data source. The wxDB class allows operations on the data // source such as opening and closing the data source. // Author: Doug Card -// Modified by: +// Modified by: George Tasker // Mods: Dec, 1998: // -Added support for SQL statement logging and database cataloging // Mods: April, 1999 @@ -84,6 +84,7 @@ #include #include #include + #if wxMAJOR_VERSION == 1 #include "db.h" #elif wxMAJOR_VERSION == 2 @@ -110,6 +111,107 @@ char SQLLOGfn[DB_PATH_MAX+1] = "sqllog.txt"; // this variable. char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; + +/********** wxColFor Constructor **********/ +wxColFor::wxColFor() +{ + i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US + s_Field = ""; + for (int i=0;i<7;i++) + { + s_Format[i] = ""; + s_Menge[i] = ""; + i_Menge[i] = 0; + } + Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work +} // wxColFor::wxColFor() + + +wxColFor::~wxColFor() +{ +} // wxColFor::~wxColFor() + + +int wxColFor::Format(int Nation,int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits) +{ + // ---------------------------------------------------------------------------------------- + // -- 19991224 : mj10777@gmx.net : Create + // There is still a lot of work to do here, but it is a start + // It handles all the basic data-types that I have run into up to now + // The main work will have be with Dates and float Formatting (US 1,000.00 ; EU 1.000,00) + // There are wxWindow plans for locale support and the new wxDateTime. + // - if they define some constants (wxEUROPEAN) that can be gloably used, + // they should be used here. + // ---------------------------------------------------------------------------------------- + // There should also be a Function to scan in a string to fill the variable + // ---------------------------------------------------------------------------------------- + wxString Temp0; + i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US + i_dbDataType = dbDataType; + i_sqlDataType = sqlDataType; + s_Field.Printf("%s%d",s_Menge[1].c_str(),i_Menge[1]); // OK for VARCHAR, INTEGER and FLOAT + if (i_dbDataType == 0) // Filter unsupported dbDataTypes + { + if ((i_sqlDataType == SQL_VARCHAR) || (i_sqlDataType == SQL_LONGVARCHAR)) + i_dbDataType = DB_DATA_TYPE_VARCHAR; + if (i_sqlDataType == SQL_C_DATE) + i_dbDataType = DB_DATA_TYPE_DATE; + if (i_sqlDataType == SQL_C_BIT) + i_dbDataType = DB_DATA_TYPE_INTEGER; + if (i_sqlDataType == SQL_NUMERIC) + i_dbDataType = DB_DATA_TYPE_VARCHAR; + if (i_sqlDataType == SQL_REAL) + i_dbDataType = DB_DATA_TYPE_FLOAT; + } + if ((i_dbDataType == DB_DATA_TYPE_INTEGER) && (i_sqlDataType == SQL_C_DOUBLE)) + { // DBASE Numeric + i_dbDataType = DB_DATA_TYPE_FLOAT; + } + switch(i_dbDataType) // -A-> Still a lot of proper formatting to do + { + case DB_DATA_TYPE_VARCHAR: + s_Field = "%s"; // + break; + case DB_DATA_TYPE_INTEGER: + s_Field = "%d"; // + break; + case DB_DATA_TYPE_FLOAT: + if (decimalDigits == 0) + decimalDigits = 2; + Temp0 = "%"; + Temp0.Printf("%s%d.%d",Temp0.c_str(),columnSize,decimalDigits); + s_Field.Printf("%sf",Temp0.c_str()); // + break; + case DB_DATA_TYPE_DATE: + if (i_Nation == 0) // timestamp YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE) + { + s_Field = "%04d-%02d-%02d %02d:%02d:%02d.%03d"; + } + if (i_Nation == 1) // European DD.MM.YYYY HH:MM:SS.SSS + { + s_Field = "%02d.%02d.%04d %02d:%02d:%02d.%03d"; + } + if (i_Nation == 2) // UK DD/MM/YYYY HH:MM:SS.SSS + { + s_Field = "%02d/%02d/%04d %02d:%02d:%02d.%03d"; + } + if (i_Nation == 3) // International YYYY-MM-DD HH:MM:SS.SSS + { + s_Field = "%04d-%02d-%02d %02d:%02d:%02d.%03d"; + } + if (i_Nation == 4) // US MM/DD/YYYY HH:MM:SS.SSS + { + s_Field = "%02d/%02d/%04d %02d:%02d:%02d.%03d"; + } + break; + default: + s_Field.Printf("-E-> unknown Format(%d)-sql(%d)",dbDataType,sqlDataType); // + break; + }; + return TRUE; +} // wxColFor::Format() + + /********** wxDB Constructor **********/ wxDB::wxDB(HENV &aHenv, bool FwdOnlyCursors) { @@ -169,6 +271,7 @@ wxDB::wxDB(HENV &aHenv, bool FwdOnlyCursors) } // wxDB::wxDB() + /********** wxDB::Open() **********/ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) { @@ -194,9 +297,9 @@ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) } // Connect to the data source - retcode = SQLConnect(hdbc, (UCHAR FAR *) Dsn, SQL_NTS, - (UCHAR FAR *) Uid, SQL_NTS, - (UCHAR FAR *) AuthStr,SQL_NTS); + retcode = SQLConnect(hdbc, (UCHAR FAR *) Dsn, SQL_NTS, + (UCHAR FAR *) Uid, SQL_NTS, + (UCHAR FAR *) AuthStr,SQL_NTS); if (retcode == SQL_SUCCESS_WITH_INFO) DispAllErrors(henv, hdbc); else if (retcode != SQL_SUCCESS) @@ -209,6 +312,7 @@ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) SQLSetConnectOption(hdbc, 1041, (UDWORD) ""); SQLSetConnectOption(hdbc, 1042, (UDWORD) ""); */ + // Mark database as open dbIsOpen = TRUE; @@ -245,10 +349,10 @@ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) // SQL_FLOAT SQL_NO_DATA_FOUND // SQL_INTEGER SQL_NO_DATA_FOUND // SQL_LONGVARBINARY type name = 'LONG RAW', Precision = 2 billion - // SQL_LONGVARCHAR type name = 'LONG', Precision = 2 billion + // SQL_LONGVARCHAR type name = 'LONG', Precision = 2 billion // SQL_NUMERIC SQL_NO_DATA_FOUND // SQL_REAL SQL_NO_DATA_FOUND - // SQL_SMALLINT SQL_NO_DATA_FOUND + // SQL_SMALLINT SQL_NO_DATA_FOUND // SQL_TIME SQL_NO_DATA_FOUND // SQL_TIMESTAMP type name = 'DATE', Precision = 19 // SQL_VARBINARY type name = 'RAW', Precision = 255 @@ -332,10 +436,12 @@ bool wxDB::Open(char *Dsn, char *Uid, char *AuthStr) } // wxDB::Open() -// The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout. /********** wxDB::setConnectionOptions() **********/ bool wxDB::setConnectionOptions(void) +/* + * NOTE: The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout. + */ { SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF); SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF); @@ -378,6 +484,7 @@ bool wxDB::setConnectionOptions(void) } // wxDB::setConnectionOptions() + /********** wxDB::getDbInfo() **********/ bool wxDB::getDbInfo(void) { @@ -672,7 +779,6 @@ bool wxDB::getDbInfo(void) cout << endl; cout << endl; - #endif // Completed Successfully @@ -680,14 +786,16 @@ bool wxDB::getDbInfo(void) } // wxDB::getDbInfo() + /********** wxDB::getDataTypeInfo() **********/ bool wxDB::getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo) { - // fSqlType will be something like SQL_VARCHAR. This parameter determines - // the data type inf. is gathered for. - // - // SqlTypeInfo is a structure that is filled in with data type information, - +/* + * fSqlType will be something like SQL_VARCHAR. This parameter determines + * the data type inf. is gathered for. + * + * SqlTypeInfo is a structure that is filled in with data type information, + */ RETCODE retcode; SDWORD cbRet; @@ -708,6 +816,18 @@ bool wxDB::getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo) // Obtain columns from the record if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc, hstmt)); + + // BJO 991209 + if (Dbms() == dbmsMY_SQL) + { + if (!strcmp(structSQLTypeInfo.TypeName, "middleint")) strcpy(structSQLTypeInfo.TypeName, "mediumint"); + if (!strcmp(structSQLTypeInfo.TypeName, "middleint unsigned")) strcpy(structSQLTypeInfo.TypeName, "mediumint unsigned"); + if (!strcmp(structSQLTypeInfo.TypeName, "integer")) strcpy(structSQLTypeInfo.TypeName, "int"); + if (!strcmp(structSQLTypeInfo.TypeName, "integer unsigned")) strcpy(structSQLTypeInfo.TypeName, "int unsigned"); + if (!strcmp(structSQLTypeInfo.TypeName, "middleint")) strcpy(structSQLTypeInfo.TypeName, "mediumint"); + if (!strcmp(structSQLTypeInfo.TypeName, "varchar")) strcpy(structSQLTypeInfo.TypeName, "char"); + } + if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc, hstmt)); if (SQLGetData(hstmt, 8, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.CaseSensitive, 0, &cbRet) != SQL_SUCCESS) @@ -715,13 +835,8 @@ bool wxDB::getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo) // if (SQLGetData(hstmt, 14, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.MinimumScale, 0, &cbRet) != SQL_SUCCESS) // return(DispAllErrors(henv, hdbc, hstmt)); -//#ifdef __UNIX__ // BJO : IODBC knows about 5, not 15... -// if (SQLGetData(hstmt, 5, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS) -// return(DispAllErrors(henv, hdbc, hstmt)); -//#else if (SQLGetData(hstmt, 15, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS) return(DispAllErrors(henv, hdbc, hstmt)); -//#endif if (structSQLTypeInfo.MaximumScale < 0) structSQLTypeInfo.MaximumScale = 0; @@ -735,6 +850,7 @@ bool wxDB::getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo) } // wxDB::getDataTypeInfo() + /********** wxDB::Close() **********/ void wxDB::Close(void) { @@ -789,6 +905,7 @@ void wxDB::Close(void) } // wxDB::Close() + /********** wxDB::CommitTrans() **********/ bool wxDB::CommitTrans(void) { @@ -804,6 +921,7 @@ bool wxDB::CommitTrans(void) } // wxDB::CommitTrans() + /********** wxDB::RollbackTrans() **********/ bool wxDB::RollbackTrans(void) { @@ -816,6 +934,7 @@ bool wxDB::RollbackTrans(void) } // wxDB::RollbackTrans() + /********** wxDB::DispAllErrors() **********/ bool wxDB::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) { @@ -844,6 +963,7 @@ bool wxDB::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) } // wxDB::DispAllErrors() + /********** wxDB::GetNextError() **********/ bool wxDB::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) { @@ -854,6 +974,7 @@ bool wxDB::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt) } // wxDB::GetNextError() + /********** wxDB::DispNextError() **********/ void wxDB::DispNextError(void) { @@ -874,6 +995,7 @@ void wxDB::DispNextError(void) } // wxDB::DispNextError() + /********** wxDB::logError() **********/ void wxDB::logError(const char *errMsg, const char *SQLState) { @@ -901,6 +1023,7 @@ void wxDB::logError(const char *errMsg, const char *SQLState) } // wxDB::logError() + /**********wxDB::TranslateSqlState() **********/ int wxDB::TranslateSqlState(const char *SQLState) { @@ -1087,6 +1210,7 @@ int wxDB::TranslateSqlState(const char *SQLState) return(0); } // wxDB::TranslateSqlState() + /********** wxDB::Grant() **********/ bool wxDB::Grant(int privileges, const char *tableName, const char *userList) @@ -1140,6 +1264,7 @@ bool wxDB::Grant(int privileges, const char *tableName, const char *userList) } // wxDB::Grant() + /********** wxDB::CreateView() **********/ bool wxDB::CreateView(const char *viewName, const char *colList, const char *pSqlStmt, bool attemptDrop) { @@ -1173,14 +1298,16 @@ bool wxDB::CreateView(const char *viewName, const char *colList, const char *pSq } // wxDB::CreateView() + /********** wxDB::DropView() **********/ bool wxDB::DropView(const char *viewName) { - // NOTE: This function returns TRUE if the View does not exist, but - // only for identified databases. Code will need to be added - // below for any other databases when those databases are defined - // to handle this situation consistently - +/* + * NOTE: This function returns TRUE if the View does not exist, but + * only for identified databases. Code will need to be added + * below for any other databases when those databases are defined + * to handle this situation consistently + */ char sqlStmt[DB_MAX_STATEMENT_LEN]; sprintf(sqlStmt, "DROP VIEW %s", viewName); @@ -1231,6 +1358,7 @@ bool wxDB::ExecSql(const char *pSqlStmt) } // wxDB::ExecSql() + /********** wxDB::GetNext() **********/ bool wxDB::GetNext(void) { @@ -1244,6 +1372,7 @@ bool wxDB::GetNext(void) } // wxDB::GetNext() + /********** wxDB::GetData() **********/ bool wxDB::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned) { @@ -1260,16 +1389,153 @@ bool wxDB::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA } // wxDB::GetData() + +/********** wxDB::GetKeyFields() **********/ +int wxDB::GetKeyFields(char *tableName, wxColInf* 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@gmx.net : 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;iGetColumns(tableList, userID); + * wxColInf *colInf = pDb->GetColumns(tableList, userID); * if (colInf) * { * // Use the column inf @@ -1277,26 +1543,36 @@ bool wxDB::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA * // 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. */ -CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) { - UINT noCols = 0; - UINT colNo = 0; - CcolInf *colInf = 0; + int noCols = 0; + int colNo = 0; + wxColInf *colInf = 0; RETCODE retcode; SDWORD cb; - char tblName[DB_MAX_TABLE_NAME_LEN+1]; - char colName[DB_MAX_COLUMN_NAME_LEN+1]; - SWORD sqlDataType; wxString UserID; wxString TableName; - if (!userID || !wxStrlen(userID)) - UserID = uid; + if (userID) + { + if (!wxStrlen(userID)) + UserID = uid; + else + UserID = userID; + } else - UserID = userID; + UserID = ""; // dBase does not use user names, and some drivers fail if you try to pass one if (Dbms() == dbmsDBASE) @@ -1308,7 +1584,7 @@ CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) UserID = UserID.Upper(); // Pass 1 - Determine how many columns there are. - // Pass 2 - Allocate the CcolInf array and fill in + // Pass 2 - Allocate the wxColInf array and fill in // the array with the column information. int pass; for (pass = 1; pass <= 2; pass++) @@ -1317,8 +1593,8 @@ CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) { if (noCols == 0) // Probably a bogus table name(s) break; - // Allocate n CcolInf objects to hold the column information - colInf = new CcolInf[noCols+1]; + // Allocate n wxColInf objects to hold the column information + colInf = new wxColInf[noCols+1]; if (!colInf) break; // Mark the end of the array @@ -1363,13 +1639,10 @@ CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) DispAllErrors(henv, hdbc, hstmt); if (colInf) delete [] colInf; - SQLFreeStmt(hstmt, SQL_UNBIND); SQLFreeStmt(hstmt, SQL_CLOSE); return(0); } - SQLBindCol(hstmt, 3, SQL_C_CHAR, (UCHAR*) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 4, SQL_C_CHAR, (UCHAR*) colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 5, SQL_C_SSHORT, (UCHAR*) &sqlDataType, 0, &cb); + while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) { if (pass == 1) // First pass, just add up the number of columns @@ -1378,9 +1651,31 @@ CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) { if (colNo < noCols) // Some extra error checking to prevent memory overwrites { - wxStrcpy(colInf[colNo].tableName, tblName); - wxStrcpy(colInf[colNo].colName, colName); - colInf[colNo].sqlDataType = sqlDataType; + // 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)) + 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++; } } @@ -1390,22 +1685,446 @@ CcolInf *wxDB::GetColumns(char *tableName[], const char *userID) DispAllErrors(henv, hdbc, hstmt); if (colInf) delete [] colInf; - SQLFreeStmt(hstmt, SQL_UNBIND); SQLFreeStmt(hstmt, SQL_CLOSE); return(0); } } } - SQLFreeStmt(hstmt, SQL_UNBIND); SQLFreeStmt(hstmt, SQL_CLOSE); return colInf; } // wxDB::GetColumns() +/********** wxDB::GetColumns() **********/ +wxColInf *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 wxColInf 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; + wxColInf *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 wxColInf 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 wxColInf objects to hold the column information + colInf = new wxColInf[noCols+1]; + if (!colInf) + break; + // Mark the end of the array + wxStrcpy(colInf[noCols].tableName, ""); + wxStrcpy(colInf[noCols].colName, ""); + 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.GetData(),"") && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (UCHAR *) UserID.GetData(), SQL_NTS, // Owner + (UCHAR *) TableName.GetData(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (UCHAR *) TableName.GetData(), 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 + + // 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)) + 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() + + +/********** 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 = ""; + + // 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(); + + { + // 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.GetData(),"") && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS) + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + (UCHAR *) UserID.GetData(), SQL_NTS, // Owner + (UCHAR *) TableName.GetData(), SQL_NTS, + NULL, 0); // All columns + } + else + { + retcode = SQLColumns(hstmt, + NULL, 0, // All qualifiers + NULL, 0, // Owner + (UCHAR *) TableName.GetData(), 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@gmx.net : 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 i = 0; + int pass; + RETCODE retcode; + SDWORD cb; + char tblNameSave[DB_MAX_TABLE_NAME_LEN+1]; + + wxString UserID; + + 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(); + + //------------------------------------------------------------- + pDbInf = new wxDbInf; // Create the Database Arrray + pDbInf->catalog[0] = 0; + pDbInf->schema[0] = 0; + pDbInf->numTables = 0; // Counter for Tables + pDbInf->pTableInf = NULL; // Array of Tables + //------------------------------------------------------------- + // 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 + strcpy(tblNameSave,""); + + if (wxStrcmp(UserID.GetData(),"") && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS) + { + retcode = SQLTables(hstmt, + NULL, 0, // All qualifiers + (UCHAR *) UserID.GetData(), 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 wxTableInf[pDbInf->numTables]; + for (noTab=0;noTabnumTables;noTab++) + { + (pDbInf->pTableInf+noTab)->tableName[0] = 0; + (pDbInf->pTableInf+noTab)->tableType[0] = 0; + (pDbInf->pTableInf+noTab)->tableRemarks[0] = 0; + (pDbInf->pTableInf+noTab)->numCols = 0; + (pDbInf->pTableInf+noTab)->pColInf = NULL; + } + 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 (pass == 2) We now know the amount of Tables + } // while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) + } // for (pass = 1; pass <= 2; pass++) + SQLFreeStmt(hstmt, SQL_CLOSE); + + // Query how many columns are in each table + for (noTab=0;noTabnumTables;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)); @@ -1426,17 +2145,28 @@ bool wxDB::Catalog(const char *userID, const char *fileName) SQLFreeStmt(hstmt, SQL_CLOSE); - if (!userID || !wxStrlen(userID)) - UserID = uid; + if (userID) + { + if (!wxStrlen(userID)) + UserID = uid; + else + UserID = userID; + } else - UserID = userID; + 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(); - if (wxStrcmp(UserID.GetData(),"")) + if (wxStrcmp(UserID.GetData(),"") && + Dbms() != dbmsMY_SQL && + Dbms() != dbmsACCESS) { retcode = SQLColumns(hstmt, NULL, 0, // All qualifiers @@ -1459,14 +2189,7 @@ bool wxDB::Catalog(const char *userID, const char *fileName) return(FALSE); } - SQLBindCol(hstmt, 3, SQL_C_CHAR, (UCHAR*) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 4, SQL_C_CHAR, (UCHAR*) colName, DB_MAX_COLUMN_NAME_LEN+1, &cb); - SQLBindCol(hstmt, 5, SQL_C_SSHORT, (UCHAR*) &sqlDataType, 0, &cb); - SQLBindCol(hstmt, 6, SQL_C_CHAR, (UCHAR*) typeName, sizeof(typeName), &cb); - SQLBindCol(hstmt, 7, SQL_C_SSHORT, (UCHAR*) &precision, 0, &cb); - SQLBindCol(hstmt, 8, SQL_C_SSHORT, (UCHAR*) &length, 0, &cb); - - char outStr[256]; + wxString outStr; wxStrcpy(tblNameSave,""); int cnt = 0; @@ -1481,9 +2204,9 @@ bool wxDB::Catalog(const char *userID, const char *fileName) fputs("===================== ", fp); fputs("========= ", fp); fputs("=========\n", fp); - sprintf(outStr, "%-32s %-32s %-21s %9s %9s\n", + outStr.sprintf("%-32s %-32s %-21s %9s %9s\n", "TABLE NAME", "COLUMN NAME", "DATA TYPE", "PRECISION", "LENGTH"); - fputs(outStr, fp); + fputs(outStr.GetData(), fp); fputs("================================ ", fp); fputs("================================ ", fp); fputs("===================== ", fp); @@ -1491,11 +2214,18 @@ bool wxDB::Catalog(const char *userID, const char *fileName) fputs("=========\n", fp); wxStrcpy(tblNameSave,tblName); } - sprintf(outStr, "%-32s %-32s (%04d)%-15s %9d %9d\n", + + 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, fp) == EOF) + if (fputs(outStr.GetData(), fp) == EOF) { - SQLFreeStmt(hstmt, SQL_UNBIND); SQLFreeStmt(hstmt, SQL_CLOSE); fclose(fp); return(FALSE); @@ -1506,7 +2236,6 @@ bool wxDB::Catalog(const char *userID, const char *fileName) if (retcode != SQL_NO_DATA_FOUND) DispAllErrors(henv, hdbc, hstmt); - SQLFreeStmt(hstmt, SQL_UNBIND); SQLFreeStmt(hstmt, SQL_CLOSE); fclose(fp); @@ -1515,11 +2244,18 @@ bool wxDB::Catalog(const char *userID, const char *fileName) } // wxDB::Catalog() -// 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. 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; @@ -1539,10 +2275,15 @@ bool wxDB::TableExists(const char *tableName, const char *userID, const char *ta return exists; } - if (!userID || !wxStrlen(userID)) - UserID = uid; + if (userID) + { + if (!wxStrlen(userID)) + UserID = uid; + else + UserID = userID; + } else - UserID = userID; + UserID = ""; // Oracle user names may only be in uppercase, so force // the name to uppercase @@ -1643,6 +2384,7 @@ bool wxDB::WriteSqlLog(const char *logMsg) /********** wxDB::Dbms() **********/ +DBMS wxDB::Dbms(void) /* * Be aware that not all database engines use the exact same syntax, and not * every ODBC compliant database is compliant to the same level of compliancy. @@ -1686,7 +2428,6 @@ bool wxDB::WriteSqlLog(const char *logMsg) * * */ -DBMS wxDB::Dbms(void) { wxChar baseName[25+1]; @@ -1785,6 +2526,7 @@ wxDB WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors) } // GetDbConnection() + /********** FreeDbConnection() **********/ bool WXDLLEXPORT FreeDbConnection(wxDB *pDb) { @@ -1802,6 +2544,7 @@ bool WXDLLEXPORT FreeDbConnection(wxDB *pDb) } // FreeDbConnection() + /********** CloseDbConnections() **********/ void WXDLLEXPORT CloseDbConnections(void) { @@ -1822,6 +2565,7 @@ void WXDLLEXPORT CloseDbConnections(void) } // CloseDbConnections() + /********** NumberDbConnectionsInUse() **********/ int WXDLLEXPORT NumberDbConnectionsInUse(void) { @@ -1839,6 +2583,7 @@ int WXDLLEXPORT NumberDbConnectionsInUse(void) } // NumberDbConnectionsInUse() + /********** SqlLog() **********/ bool SqlLog(enum sqlLog state, char *filename) { @@ -1859,15 +2604,23 @@ bool SqlLog(enum sqlLog state, char *filename) } // SqlLog() + /********** GetDataSource() **********/ -bool GetDataSource(HENV henv, const char *Dsn, SWORD DsnMax, const char *DsDesc, SWORD DsDescMax, +bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, UWORD direction) +/* + * Dsn and DsDesc will contain the data source name and data source + * description upon return + */ { SWORD cb; if (SQLDataSources(henv, direction, (UCHAR FAR *) Dsn, DsnMax, &cb, (UCHAR FAR *) DsDesc, DsDescMax, &cb) == SQL_SUCCESS) + { + DsDesc[cb+1] = 0; // Set the terminating character for the string return(TRUE); + } else return(FALSE); diff --git a/src/common/dbtable.cpp b/src/common/dbtable.cpp index edf1a0ce1c..26898d56bb 100644 --- a/src/common/dbtable.cpp +++ b/src/common/dbtable.cpp @@ -2,6 +2,7 @@ // Name: dbtable.cpp // Purpose: Implementation of the wxTable class. // Author: Doug Card +// Modified by: George Tasker // Mods: April 1999 // -Dynamic cursor support - Only one predefined cursor, as many others as // you need may be created on demand @@ -75,6 +76,7 @@ #include #include #include + #if wxMAJOR_VERSION == 1 #include "table.h" #elif wxMAJOR_VERSION == 2 @@ -105,9 +107,9 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, const char *qryTblName, bool qryOnly, const char *tblPath) { pDb = pwxDB; // Pointer to the wxDB object - henv = 0; - hdbc = 0; - hstmt = 0; + henv = 0; + hdbc = 0; + hstmt = 0; hstmtDefault = 0; // Initialized below hstmtCount = 0; // Initialized first time it is needed hstmtInsert = 0; @@ -117,24 +119,23 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, colDefs = 0; tableID = 0; noCols = nCols; // No. of cols in the table - where = 0; // Where clause + where = 0; // Where clause orderBy = 0; // Order By clause - from = 0; // From clause - selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase + from = 0; // From clause + selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase queryOnly = qryOnly; assert (tblName); wxStrcpy(tableName, tblName); // Table Name if (tblPath) - wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files + wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files if (qryTblName) // Name of the table/view to query wxStrcpy(queryTableName, qryTblName); else wxStrcpy(queryTableName, tblName); -// assert(pDb); // Assert is placed after table name is assigned for error reporting reasons if (!pDb) return; @@ -161,7 +162,7 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, // Allocate space for column definitions if (noCols) - colDefs = new CcolDef[noCols]; // Points to the first column defintion + colDefs = new wxColDef[noCols]; // Points to the first column defintion // Allocate statement handles for the table if (!queryOnly) @@ -240,6 +241,7 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols, } // wxTable::wxTable() + /********** wxTable::~wxTable() **********/ wxTable::~wxTable() { @@ -309,8 +311,12 @@ wxTable::~wxTable() } // wxTable::~wxTable() + + /***************************** PRIVATE FUNCTIONS *****************************/ + + /********** wxTable::bindInsertParams() **********/ bool wxTable::bindInsertParams(void) { @@ -377,6 +383,7 @@ bool wxTable::bindInsertParams(void) } // wxTable::bindInsertParams() + /********** wxTable::bindUpdateParams() **********/ bool wxTable::bindUpdateParams(void) { @@ -437,6 +444,7 @@ bool wxTable::bindUpdateParams(void) } // wxTable::bindUpdateParams() + /********** wxTable::bindCols() **********/ bool wxTable::bindCols(HSTMT cursor) { @@ -456,6 +464,7 @@ bool wxTable::bindCols(HSTMT cursor) } // wxTable::bindCols() + /********** wxTable::getRec() **********/ bool wxTable::getRec(UWORD fetchType) { @@ -492,6 +501,7 @@ bool wxTable::getRec(UWORD fetchType) } // wxTable::getRec() + /********** wxTable::execDelete() **********/ bool wxTable::execDelete(const char *pSqlStmt) { @@ -504,6 +514,7 @@ bool wxTable::execDelete(const char *pSqlStmt) } // wxTable::execDelete() + /********** wxTable::execUpdate() **********/ bool wxTable::execUpdate(const char *pSqlStmt) { @@ -516,6 +527,7 @@ bool wxTable::execUpdate(const char *pSqlStmt) } // wxTable::execUpdate() + /********** wxTable::query() **********/ bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt) { @@ -552,6 +564,8 @@ bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt } // wxTable::query() +/***************************** PUBLIC FUNCTIONS *****************************/ + /********** wxTable::Open() **********/ bool wxTable::Open(void) @@ -563,10 +577,17 @@ bool wxTable::Open(void) char sqlStmt[DB_MAX_STATEMENT_LEN]; // Verify that the table exists in the database - if (!pDb->TableExists(tableName,NULL,tablePath)) + if (!pDb->TableExists(tableName,pDb->GetUsername(),tablePath)) { - char s[128]; - sprintf(s, "Error opening '%s', table/view does not exist in the database.", tableName); + char s[250]; + if (wxStrcmp(tablePath,"")) + sprintf(s, "Error opening '%s/%s'.\n",tablePath,tableName); + else + sprintf(s, "Error opening '%s'.\n", tableName); + if (!pDb->TableExists(tableName,NULL,tablePath)) + wxStrcat(s,"Table/view does not exist in the database.\n"); + else + wxStrcat(s,"Current logged in user does not have sufficient privileges to access this table.\n"); pDb->LogError(s); return(FALSE); } @@ -627,6 +648,7 @@ bool wxTable::Open(void) } // wxTable::Open() + /********** wxTable::Query() **********/ bool wxTable::Query(bool forUpdate, bool distinct) { @@ -635,6 +657,7 @@ bool wxTable::Query(bool forUpdate, bool distinct) } // wxTable::Query() + /********** wxTable::QueryBySqlStmt() **********/ bool wxTable::QueryBySqlStmt(char *pSqlStmt) { @@ -644,6 +667,7 @@ bool wxTable::QueryBySqlStmt(char *pSqlStmt) } // wxTable::QueryBySqlStmt() + /********** wxTable::QueryMatching() **********/ bool wxTable::QueryMatching(bool forUpdate, bool distinct) { @@ -652,6 +676,7 @@ bool wxTable::QueryMatching(bool forUpdate, bool distinct) } // wxTable::QueryMatching() + /********** wxTable::QueryOnKeyFields() **********/ bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct) { @@ -660,6 +685,7 @@ bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct) } // wxTable::QueryOnKeyFields() + /********** wxTable::GetPrev() **********/ bool wxTable::GetPrev(void) { @@ -672,6 +698,7 @@ bool wxTable::GetPrev(void) return(getRec(SQL_FETCH_PRIOR)); } // wxTable::GetPrev() + /********** wxTable::operator-- **********/ bool wxTable::operator--(int) { @@ -684,6 +711,7 @@ bool wxTable::operator--(int) return(getRec(SQL_FETCH_PRIOR)); } // wxTable::operator-- + /********** wxTable::GetFirst() **********/ bool wxTable::GetFirst(void) { @@ -696,6 +724,7 @@ bool wxTable::GetFirst(void) return(getRec(SQL_FETCH_FIRST)); } // wxTable::GetFirst() + /********** wxTable::GetLast() **********/ bool wxTable::GetLast(void) { @@ -708,6 +737,7 @@ bool wxTable::GetLast(void) return(getRec(SQL_FETCH_LAST)); } // wxTable::GetLast() + /********** wxTable::GetSelectStmt() **********/ void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) { @@ -817,6 +847,7 @@ void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct) } // wxTable::GetSelectStmt() + /********** wxTable::GetRowNum() **********/ UWORD wxTable::GetRowNum(void) { @@ -833,6 +864,7 @@ UWORD wxTable::GetRowNum(void) } // wxTable::GetRowNum() + /********** wxTable::CloseCursor() **********/ bool wxTable::CloseCursor(HSTMT cursor) { @@ -844,6 +876,7 @@ bool wxTable::CloseCursor(HSTMT cursor) } // wxTable::CloseCursor() + /********** wxTable::CreateTable() **********/ bool wxTable::CreateTable(bool attemptDrop) { @@ -980,7 +1013,8 @@ bool wxTable::CreateTable(bool attemptDrop) #endif // Execute the CREATE TABLE statement - if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS) + RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS); + if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO) { pDb->DispAllErrors(henv, hdbc, hstmt); pDb->RollbackTrans(); @@ -999,6 +1033,7 @@ bool wxTable::CreateTable(bool attemptDrop) } // wxTable::CreateTable() + /********** wxTable::DropTable() **********/ bool wxTable::DropTable() { @@ -1046,6 +1081,7 @@ bool wxTable::DropTable() return(TRUE); } // wxTable::DropTable() + /********** wxTable::CreateIndex() **********/ bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop) { @@ -1113,6 +1149,7 @@ bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, Cidx } // wxTable::CreateIndex() + /********** wxTable::DropIndex() **********/ bool wxTable::DropIndex(const char * idxName) { @@ -1166,6 +1203,7 @@ bool wxTable::DropIndex(const char * idxName) return(TRUE); } // wxTable::DropIndex() + /********** wxTable::Insert() **********/ int wxTable::Insert(void) { @@ -1197,6 +1235,7 @@ int wxTable::Insert(void) } // wxTable::Insert() + /********** wxTable::Update() **********/ bool wxTable::Update(void) { @@ -1220,6 +1259,7 @@ bool wxTable::Update(void) } // wxTable::Update() + /********** wxTable::Update(pSqlStmt) **********/ bool wxTable::Update(const char *pSqlStmt) { @@ -1233,6 +1273,7 @@ bool wxTable::Update(const char *pSqlStmt) } // wxTable::Update(pSqlStmt) + /********** wxTable::UpdateWhere() **********/ bool wxTable::UpdateWhere(const char *pWhereClause) { @@ -1256,6 +1297,7 @@ bool wxTable::UpdateWhere(const char *pWhereClause) } // wxTable::UpdateWhere() + /********** wxTable::Delete() **********/ bool wxTable::Delete(void) { @@ -1275,6 +1317,7 @@ bool wxTable::Delete(void) } // wxTable::Delete() + /********** wxTable::DeleteWhere() **********/ bool wxTable::DeleteWhere(const char *pWhereClause) { @@ -1294,6 +1337,7 @@ bool wxTable::DeleteWhere(const char *pWhereClause) } // wxTable::DeleteWhere() + /********** wxTable::DeleteMatching() **********/ bool wxTable::DeleteMatching(void) { @@ -1313,6 +1357,7 @@ bool wxTable::DeleteMatching(void) } // wxTable::DeleteMatching() + /********** wxTable::GetUpdateStmt() **********/ void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause) { @@ -1377,6 +1422,7 @@ void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereCla } } // GetUpdateStmt() + /********** wxTable::GetDeleteStmt() **********/ void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause) { @@ -1437,13 +1483,13 @@ void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereCla } // GetDeleteStmt() + /********** wxTable::GetWhereClause() **********/ +void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName) /* * Note: GetWhereClause() currently ignores timestamp columns. * They are not included as part of the where clause. */ - -void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName) { bool moreThanOneColumn = FALSE; char colValue[255]; @@ -1499,9 +1545,9 @@ void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qu wxStrcat(pWhereClause, colValue); } } - } // wxTable::GetWhereClause() + /********** wxTable::IsColNull() **********/ bool wxTable::IsColNull(int colNo) { @@ -1531,9 +1577,9 @@ bool wxTable::IsColNull(int colNo) default: return(TRUE); } - } // wxTable::IsColNull() + /********** wxTable::CanSelectForUpdate() **********/ bool wxTable::CanSelectForUpdate(void) { @@ -1547,12 +1593,14 @@ bool wxTable::CanSelectForUpdate(void) } // wxTable::CanSelectForUpdate() + /********** wxTable::CanUpdByROWID() **********/ bool wxTable::CanUpdByROWID(void) { - -//NOTE: Returning FALSE for now until this can be debugged, -// as the ROWID is not getting updated correctly +/* + * NOTE: Returning FALSE for now until this can be debugged, + * as the ROWID is not getting updated correctly + */ return FALSE; if (pDb->Dbms() == dbmsORACLE) @@ -1562,6 +1610,7 @@ bool wxTable::CanUpdByROWID(void) } // wxTable::CanUpdByROWID() + /********** wxTable::IsCursorClosedOnCommit() **********/ bool wxTable::IsCursorClosedOnCommit(void) { @@ -1572,6 +1621,7 @@ bool wxTable::IsCursorClosedOnCommit(void) } // wxTable::IsCursorClosedOnCommit() + /********** wxTable::ClearMemberVars() **********/ void wxTable::ClearMemberVars(void) { @@ -1618,6 +1668,7 @@ void wxTable::ClearMemberVars(void) } // wxTable::ClearMemberVars() + /********** wxTable::SetQueryTimeout() **********/ bool wxTable::SetQueryTimeout(UDWORD nSeconds) { @@ -1635,6 +1686,7 @@ bool wxTable::SetQueryTimeout(UDWORD nSeconds) } // wxTable::SetQueryTimeout() + /********** wxTable::SetColDefs() **********/ void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData, int cType, int size, bool keyField, bool upd, @@ -1673,6 +1725,109 @@ void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void * } // wxTable::SetColDefs() + +/********** wxTable::SetColDef() **********/ +bool wxTable::SetColDefs(wxColInf *pColInfs, ULONG numCols, wxColDataPtr *pColDataPtrs) +{ + assert(pColInfs); + + if (pColInfs) + { + ULONG index; + + // BJO 991210: This doesn't seem to work. I solved this + // by allocating memory in the tables ctor: + // + // MyTable::MyTable(wxDB *pDB, char *Name, int NbCols, wxColInf *ColInfo): + // wxTable(pDB, Name, NbCols) + // { + // m_FreeDbConn = !pDB; + // m_DataPtrs = new wxColDataPtr[NbCols]; + // SetColDefs(ColInfo, NbCols, m_DataPtrs); + // } + pColDataPtrs = new wxColDataPtr[numCols+1]; + + for (index = 0; index < numCols; index++) + { +/* + wxString title,msg; + title.sprintf("Catalog: %s, Schema: %s, Table name: %s",pColInfs[index].catalog,pColInfs[index].schema,pColInfs[index].tableName); + msg.sprintf("Column name: %s\nData type: %04d\nType name: %s\nColumn size: %d\nBuffer len: %d\nDecimals:%d\nRadix: %d\nNullable: %d\nRemarks: %s", + pColInfs[index].colName,pColInfs[index].sqlDataType,pColInfs[index].typeName,pColInfs[index].columnSize,pColInfs[index].bufferLength,pColInfs[index].decimalDigits,pColInfs[index].numPrecRadix,pColInfs[index].nullable,pColInfs[index].remarks); + msg += " \nDB_DATA_TYPE: "; + switch(pColInfs[index].dbDataType) + { + case DB_DATA_TYPE_VARCHAR: + msg += pDb->typeInfVarchar.TypeName; break; + case DB_DATA_TYPE_INTEGER: + msg += pDb->typeInfInteger.TypeName; break; + case DB_DATA_TYPE_FLOAT: + msg += pDb->typeInfFloat.TypeName; break; + case DB_DATA_TYPE_DATE: + msg += pDb->typeInfDate.TypeName; break; + } + wxMessageBox(msg.GetData(),title.GetData()); +*/ + // Process the fields + switch (pColInfs[index].dbDataType) + { + case DB_DATA_TYPE_VARCHAR: + { + pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1]; + pColDataPtrs[index].SzDataObj = pColInfs[index].bufferLength; + pColDataPtrs[index].SqlCtype = SQL_C_CHAR; + break; + } + case DB_DATA_TYPE_INTEGER: + { + // Can be long or short + if (pColInfs[index].bufferLength == sizeof(long)) + { + pColDataPtrs[index].PtrDataObj = new long; + pColDataPtrs[index].SzDataObj = sizeof(long); + pColDataPtrs[index].SqlCtype = SQL_C_SLONG; + } + else + { + pColDataPtrs[index].PtrDataObj = new short; + pColDataPtrs[index].SzDataObj = sizeof(short); + pColDataPtrs[index].SqlCtype = SQL_C_SSHORT; + } + break; + } + case DB_DATA_TYPE_FLOAT: + { + // Can be float or double + if (pColInfs[index].bufferLength == sizeof(float)) + { + pColDataPtrs[index].PtrDataObj = new float; + pColDataPtrs[index].SzDataObj = sizeof(float); + pColDataPtrs[index].SqlCtype = SQL_C_FLOAT; + } + else + { + pColDataPtrs[index].PtrDataObj = new double; + pColDataPtrs[index].SzDataObj = sizeof(double); + pColDataPtrs[index].SqlCtype = SQL_C_DOUBLE; + } + break; + } + case DB_DATA_TYPE_DATE: + { + pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT; + pColDataPtrs[index].SzDataObj = sizeof(TIMESTAMP_STRUCT); + pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP; + break; + } + } + + SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj); + } + } + return (TRUE); +} // wxTable::SetColDef() + + /********** wxTable::SetCursor() **********/ void wxTable::SetCursor(HSTMT *hstmtActivate) { @@ -1683,6 +1838,7 @@ void wxTable::SetCursor(HSTMT *hstmtActivate) } // wxTable::SetCursor() + /********** wxTable::Count(const char *) **********/ ULONG wxTable::Count(const char *args) { @@ -1747,6 +1903,7 @@ ULONG wxTable::Count(const char *args) } // wxTable::Count() + /********** wxTable::Refresh() **********/ bool wxTable::Refresh(void) { @@ -1809,7 +1966,8 @@ bool wxTable::Refresh(void) } // wxTable::Refresh() -/********** wxTable::SetNull(UINT colNo) **********/ + +/********** wxTable::SetNull(int colNo) **********/ bool wxTable::SetNull(int colNo) { if (colNo < noCols) @@ -1817,7 +1975,8 @@ bool wxTable::SetNull(int colNo) else return(FALSE); -} // wxTable::SetNull(UINT colNo) +} // wxTable::SetNull(int colNo) + /********** wxTable::SetNull(char *colName) **********/ bool wxTable::SetNull(const char *colName) @@ -1836,6 +1995,7 @@ bool wxTable::SetNull(const char *colName) } // wxTable::SetNull(char *colName) + /********** wxTable::NewCursor() **********/ HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns) { @@ -1872,7 +2032,8 @@ HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns) return(newHSTMT); -} // wxTable::NewCursor() +} // wxTable::NewCursor() + /********** wxTable::DeleteCursor() **********/ bool wxTable::DeleteCursor(HSTMT *hstmtDel)