X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fc6f2a33b6f8fb3691da670f4fe07895d4b49b5a..a340b80d8a692f5308d26c1c1b95fd689a1d7eb3:/src/common/db.cpp diff --git a/src/common/db.cpp b/src/common/db.cpp index d652a46bd6..d0b9bf6499 100644 --- a/src/common/db.cpp +++ b/src/common/db.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: db.cpp +// Name: src/common/db.cpp // Purpose: Implementation of the wxDb class. The wxDb class represents a connection // to an ODBC data source. The wxDb class allows operations on the data // source such as opening and closing the data source. @@ -21,33 +21,30 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -/* -// SYNOPSIS START -// SYNOPSIS STOP -*/ - #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif -#ifdef DBDEBUG_CONSOLE - #include "wx/ioswrap.h" -#endif +#if wxUSE_ODBC #ifndef WX_PRECOMP - #include "wx/string.h" #include "wx/object.h" #include "wx/list.h" + #include "wx/string.h" #include "wx/utils.h" #include "wx/log.h" + #include "wx/app.h" +#endif + +#ifdef DBDEBUG_CONSOLE + #include "wx/ioswrap.h" #endif + #include "wx/filefn.h" #include "wx/wxchar.h" -#if wxUSE_ODBC - #include #include #include @@ -57,7 +54,6 @@ #include "wx/db.h" // DLL options compatibility check: -#include "wx/app.h" WX_CHECK_BUILD_OPTIONS("wxODBC") WXDLLIMPEXP_DATA_ODBC(wxDbList*) PtrBegDbList = 0; @@ -201,7 +197,7 @@ void wxDbConnectInf::FreeHenv() void wxDbConnectInf::SetDsn(const wxString &dsn) { - wxASSERT(dsn.Length() < WXSIZEOF(Dsn)); + wxASSERT(dsn.length() < WXSIZEOF(Dsn)); wxStrncpy(Dsn, dsn, WXSIZEOF(Dsn)-1); Dsn[WXSIZEOF(Dsn)-1] = 0; // Prevent buffer overrun @@ -210,7 +206,7 @@ void wxDbConnectInf::SetDsn(const wxString &dsn) void wxDbConnectInf::SetUserID(const wxString &uid) { - wxASSERT(uid.Length() < WXSIZEOF(Uid)); + wxASSERT(uid.length() < WXSIZEOF(Uid)); wxStrncpy(Uid, uid, WXSIZEOF(Uid)-1); Uid[WXSIZEOF(Uid)-1] = 0; // Prevent buffer overrun } // wxDbConnectInf::SetUserID() @@ -218,7 +214,7 @@ void wxDbConnectInf::SetUserID(const wxString &uid) void wxDbConnectInf::SetPassword(const wxString &password) { - wxASSERT(password.Length() < WXSIZEOF(AuthStr)); + wxASSERT(password.length() < WXSIZEOF(AuthStr)); wxStrncpy(AuthStr, password, WXSIZEOF(AuthStr)-1); AuthStr[WXSIZEOF(AuthStr)-1] = 0; // Prevent buffer overrun @@ -226,7 +222,7 @@ void wxDbConnectInf::SetPassword(const wxString &password) void wxDbConnectInf::SetConnectionStr(const wxString &connectStr) { - wxASSERT(connectStr.Length() < WXSIZEOF(ConnectionStr)); + wxASSERT(connectStr.length() < WXSIZEOF(ConnectionStr)); useConnectionStr = wxStrlen(connectStr) > 0; @@ -287,7 +283,7 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType, if ((i_sqlDataType == SQL_VARCHAR) #if wxUSE_UNICODE #if defined(SQL_WCHAR) - || (i_sqlDataType == SQL_WCHAR) + || (i_sqlDataType == SQL_WCHAR) #endif #if defined(SQL_WVARCHAR) || (i_sqlDataType == SQL_WVARCHAR) @@ -532,6 +528,12 @@ void wxDb::initialize() typeInfBlob.CaseSensitive = 0; typeInfBlob.MaximumScale = 0; + typeInfMemo.TypeName.Empty(); + typeInfMemo.FsqlType = 0; + typeInfMemo.Precision = 0; + typeInfMemo.CaseSensitive = 0; + typeInfMemo.MaximumScale = 0; + // Error reporting is turned OFF by default silent = true; @@ -650,6 +652,16 @@ bool wxDb::determineDataTypes(bool failOnDataTypeUnsupported) SQL_VARBINARY }; + // These are the possible SQL types we check for use agains the datasource we are connected + // to for the purpose of determining which data type to use for the MEMO column types + // (a type which allow to store large strings; like VARCHAR just with a bigger precision) + // + // NOTE: The first type in this enumeration that is determined to be supported by the + // datasource/driver is the one that will be used. + SWORD PossibleSqlMemoTypes[] = { + SQL_LONGVARCHAR, + }; + // Query the data source regarding data type information @@ -756,6 +768,16 @@ bool wxDb::determineDataTypes(bool failOnDataTypeUnsupported) else if (failOnDataTypeUnsupported) return false; + // --------------- MEMO --------------- + for (iIndex = 0; iIndex < WXSIZEOF(PossibleSqlMemoTypes) && + !getDataTypeInfo(PossibleSqlMemoTypes[iIndex], typeInfMemo); ++iIndex) + {} + + if (iIndex < WXSIZEOF(PossibleSqlMemoTypes)) + typeInfMemo.FsqlType = PossibleSqlMemoTypes[iIndex]; + else if (failOnDataTypeUnsupported) + return false; + return true; } // wxDb::determineDataTypes @@ -790,6 +812,7 @@ bool wxDb::open(bool failOnDataTypeUnsupported) cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl; cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl; cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl; + cout << wxT("MEMO DATA TYPE: ") << typeInfMemo.TypeName << endl; cout << endl; #endif @@ -799,15 +822,15 @@ bool wxDb::open(bool failOnDataTypeUnsupported) bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported) { - wxASSERT(inConnectStr.Length()); + wxASSERT(inConnectStr.length()); return Open(inConnectStr, NULL, failOnDataTypeUnsupported); } bool wxDb::Open(const wxString& inConnectStr, SQLHWND parentWnd, bool failOnDataTypeUnsupported) { - dsn = wxT(""); - uid = wxT(""); - authStr = wxT(""); + dsn = wxEmptyString; + uid = wxEmptyString; + authStr = wxEmptyString; RETCODE retcode; @@ -834,7 +857,7 @@ bool wxDb::Open(const wxString& inConnectStr, SQLHWND parentWnd, bool failOnData inConnectionStr = inConnectStr; retcode = SQLDriverConnect(hdbc, parentWnd, (SQLTCHAR FAR *)inConnectionStr.c_str(), - (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer, + (SWORD)inConnectionStr.length(), (SQLTCHAR FAR *)outConnectBuffer, sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE ); if ((retcode != SQL_SUCCESS) && @@ -851,13 +874,13 @@ bool wxDb::Open(const wxString& inConnectStr, SQLHWND parentWnd, bool failOnData /********** wxDb::Open() **********/ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported) { - wxASSERT(Dsn.Length()); + wxASSERT(!Dsn.empty()); dsn = Dsn; uid = Uid; authStr = AuthStr; - inConnectionStr = wxT(""); - outConnectionStr = wxT(""); + inConnectionStr = wxEmptyString; + outConnectionStr = wxEmptyString; RETCODE retcode; @@ -939,7 +962,7 @@ bool wxDb::Open(wxDb *copyDb) inConnectionStr = copyDb->GetConnectionInStr(); retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(), - (SWORD)inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer, + (SWORD)inConnectionStr.length(), (SQLTCHAR FAR *)outConnectBuffer, sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE); if ((retcode != SQL_SUCCESS) && @@ -1050,12 +1073,20 @@ bool wxDb::Open(wxDb *copyDb) typeInfBlob.CaseSensitive = copyDb->typeInfBlob.CaseSensitive; typeInfBlob.MaximumScale = copyDb->typeInfBlob.MaximumScale; + // Memo + typeInfMemo.FsqlType = copyDb->typeInfMemo.FsqlType; + typeInfMemo.TypeName = copyDb->typeInfMemo.TypeName; + typeInfMemo.Precision = copyDb->typeInfMemo.Precision; + typeInfMemo.CaseSensitive = copyDb->typeInfMemo.CaseSensitive; + typeInfMemo.MaximumScale = copyDb->typeInfMemo.MaximumScale; + #ifdef DBDEBUG_CONSOLE cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl; cout << wxT("INTEGER DATA TYPE: ") << typeInfInteger.TypeName << endl; cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl; cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl; cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl; + cout << wxT("MEMO DATA TYPE: ") << typeInfMemo.TypeName << endl; cout << endl; #endif @@ -1854,7 +1885,7 @@ void wxDb::DispNextError(void) /********** wxDb::logError() **********/ void wxDb::logError(const wxString &errMsg, const wxString &SQLState) { - wxASSERT(errMsg.Length()); + wxASSERT(errMsg.length()); static int pLast = -1; int dbStatus; @@ -1870,7 +1901,7 @@ void wxDb::logError(const wxString &errMsg, const wxString &SQLState) wxStrncpy(errorList[pLast], errMsg, DB_MAX_ERROR_MSG_LEN); errorList[pLast][DB_MAX_ERROR_MSG_LEN] = 0; - if (SQLState.Length()) + if (SQLState.length()) if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR) DB_STATUS = dbStatus; @@ -2135,7 +2166,7 @@ bool wxDb::CreateView(const wxString &viewName, const wxString &colList, sqlStmt = wxT("CREATE VIEW "); sqlStmt += viewName; - if (colList.Length()) + if (colList.length()) { sqlStmt += wxT(" ("); sqlStmt += colList; @@ -2286,6 +2317,9 @@ bool wxDb::ExecSql(const wxString &pSqlStmt, wxDbColInf** columns, short& numcol case SQL_CHAR: pColInf[colNum].dbDataType = DB_DATA_TYPE_VARCHAR; break; + case SQL_LONGVARCHAR: + pColInf[colNum].dbDataType = DB_DATA_TYPE_MEMO; + break; case SQL_TINYINT: case SQL_SMALLINT: case SQL_INTEGER: @@ -3069,6 +3103,9 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh case SQL_CHAR: colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR; break; + case SQL_LONGVARCHAR: + colInf[colNo].dbDataType = DB_DATA_TYPE_MEMO; + break; case SQL_TINYINT: case SQL_SMALLINT: case SQL_INTEGER: @@ -3411,7 +3448,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName) * to avoid undesired unbinding of columns. */ { - wxASSERT(fileName.Length()); + wxASSERT(fileName.length()); RETCODE retcode; SQLLEN cb; @@ -3531,14 +3568,14 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx * userID != "" ... UserID set equal to 'userID' */ { - wxASSERT(tableName.Length()); + wxASSERT(tableName.length()); wxString TableName; if (Dbms() == dbmsDBASE) { wxString dbName; - if (tablePath.Length()) + if (tablePath.length()) dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str()); else dbName.Printf(wxT("%s.dbf"), tableName.c_str()); @@ -3608,7 +3645,7 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID, const wxChar *schema, const wxString &WXUNUSED(tablePath)) { - wxASSERT(tableName.Length()); + wxASSERT(tableName.length()); wxDbTablePrivilegeInfo result; SQLLEN cbRetVal; @@ -3757,7 +3794,7 @@ const wxString wxDb::SQLColumnName(const wxChar *colName) bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool append) { wxASSERT(state == sqlLogON || state == sqlLogOFF); - wxASSERT(state == sqlLogOFF || filename.Length()); + wxASSERT(state == sqlLogOFF || filename.length()); if (state == sqlLogON) { @@ -3787,7 +3824,7 @@ bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool a /********** wxDb::WriteSqlLog() **********/ bool wxDb::WriteSqlLog(const wxString &logMsg) { - wxASSERT(logMsg.Length()); + wxASSERT(logMsg.length()); if (fpSqlLog == 0 || sqlLogState == sqlLogOFF) return false; @@ -3959,8 +3996,8 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName, int dataType, ULONG columnLength, const wxString &optionalParam) { - wxASSERT(tableName.Length()); - wxASSERT(columnName.Length()); + wxASSERT(tableName.length()); + wxASSERT(columnName.length()); wxASSERT((dataType == DB_DATA_TYPE_VARCHAR && columnLength > 0) || dataType != DB_DATA_TYPE_VARCHAR); @@ -4038,7 +4075,7 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName, } // for passing things like "NOT NULL" - if (optionalParam.Length()) + if (optionalParam.length()) { sqlStmt += wxT(" "); sqlStmt += optionalParam;