X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1ddfb726b256ccc58c9b4642ba233ef560cf6bdb..43330cc9deda567a4713d42fb05bffb624781fb3:/include/wx/db.h?ds=sidebyside diff --git a/include/wx/db.h b/include/wx/db.h index b6782997c1..16d239a63b 100644 --- a/include/wx/db.h +++ b/include/wx/db.h @@ -46,22 +46,28 @@ #define OLD_GETCOLUMNS 1 #define EXPERIMENTAL_WXDB_FUNCTIONS 1 -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x #include "wx/version.h" -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma interface "db.h" - #endif +#ifdef __GNUG__ + #pragma interface "db.h" #endif #include "wx/setup.h" -#if wxMAJOR_VERSION == 2 - extern "C" { +#include "wx/defs.h" +#include "wx/string.h" + #ifdef __VISUALC__ +// include standard Windows headers +#if defined(__WXMSW__) && !wxUSE_MFC + #ifndef STRICT + #define STRICT 1 + #endif + + #include + #include "wx/msw/winundef.h" +#endif + // If you use the wxDbCreateDataSource() function with MSW/VC6, // you cannot use the iODBC headers, you must use the VC headers, // plus the odbcinst.h header - gt Nov 2 2000 @@ -71,26 +77,19 @@ #include "sql.h" #include "sqlext.h" #include "odbcinst.h" +#elif defined( __VMS ) +// For OpenVMS use the ones from the library +extern "C" { + #include + #include +} #else +extern "C" { #include "wx/isql.h" #include "wx/isqlext.h" +} #endif - } -#else // version == 1 - extern "C" { -#ifdef __VISUALC__ -// If you use the wxDbCreateDataSource() function with MSW/VC6, -// you cannot use the iODBC headers, you must use the VC headers, -// plus the odbcinst.h header - gt Nov 2 2000 - #include "sql.h" - #include "sqlext.h" - #include "odbcinst.h" -#else - #include "iodbc.h" - #include "isqlext.h" -#endif - } -#endif + typedef float SFLOAT; typedef double SDOUBLE; @@ -103,24 +102,35 @@ typedef unsigned int UINT; enum enumDummy {enumDum1}; +#ifndef SQL_C_BOOLEAN #define SQL_C_BOOLEAN(datatype) (sizeof(datatype) == 1 ? SQL_C_UTINYINT : (sizeof(datatype) == 2 ? SQL_C_USHORT : SQL_C_ULONG)) -// #define SQL_C_BOOLEAN (sizeof(Bool) == 2 ? SQL_C_USHORT : SQL_C_ULONG) +//# define SQL_C_BOOLEAN (sizeof(int) == 2 ? SQL_C_USHORT : SQL_C_ULONG) +#endif +#ifndef SQL_C_ENUM #define SQL_C_ENUM (sizeof(enumDummy) == 2 ? SQL_C_USHORT : SQL_C_ULONG) +#endif +#ifndef SQL_C_BLOB + #ifdef SQL_LONGVARBINARY + #define SQL_C_BLOB SQL_LONGVARBINARY + #elif SQL_VARBINARY + #define SQL_C_BLOB SQL_VARBINARY + #endif +#endif +/* #ifndef TRUE -#define TRUE 1 +#define TRUE true #endif #ifndef FALSE -#define FALSE 0 +#define FALSE false #endif - +*/ const int wxDB_PATH_MAX = 254; -extern wxChar const *SQL_LOG_FILENAME; -extern wxChar const *SQL_CATALOG_FILENAME; - +WXDLLEXPORT_DATA(extern wxChar const *) SQL_LOG_FILENAME; +WXDLLEXPORT_DATA(extern wxChar const *) SQL_CATALOG_FILENAME; // Database Globals const int DB_TYPE_NAME_LEN = 40; @@ -135,6 +145,7 @@ const int DB_DATA_TYPE_VARCHAR = 1; const int DB_DATA_TYPE_INTEGER = 2; const int DB_DATA_TYPE_FLOAT = 3; const int DB_DATA_TYPE_DATE = 4; +const int DB_DATA_TYPE_BLOB = 5; const int DB_SELECT_KEYFIELDS = 1; const int DB_SELECT_WHERE = 2; @@ -270,10 +281,10 @@ class WXDLLEXPORT wxDbConnectInf bool freeHenvOnDestroy; public: - HENV Henv; - wxChar Dsn[SQL_MAX_DSN_LENGTH+1]; // Data Source Name - wxChar Uid[SQL_MAX_USER_NAME_LEN+1]; // User ID - wxChar AuthStr[SQL_MAX_AUTHSTR_LEN+1]; // Authorization string (password) + HENV Henv; + wxChar Dsn[SQL_MAX_DSN_LENGTH+1]; // Data Source Name + wxChar Uid[SQL_MAX_USER_NAME_LEN+1]; // User ID + wxChar AuthStr[SQL_MAX_AUTHSTR_LEN+1]; // Authorization string (password) wxString Description; // Not sure what the max length is wxString FileType; // Not sure what the max length is @@ -329,7 +340,7 @@ class WXDLLEXPORT wxDbConnectInf struct WXDLLEXPORT wxDbSqlTypeInfo { wxString TypeName; - int FsqlType; + SWORD FsqlType; long Precision; short CaseSensitive; // short MinimumScale; @@ -386,15 +397,13 @@ public: }; - - class WXDLLEXPORT wxDbTableInf // Description of a Table { public: wxChar tableName[DB_MAX_TABLE_NAME_LEN+1]; wxChar tableType[254+1]; // "TABLE" or "SYSTEM TABLE" etc. wxChar tableRemarks[254+1]; - int numCols; // How many Columns does this Table have: GetColumnCount(..); + UWORD numCols; // How many Columns does this Table have: GetColumnCount(..); wxDbColInf *pColInf; // pColInf = NULL ; User can later call GetColumns(..); wxDbTableInf(); @@ -442,7 +451,8 @@ enum wxDBMS dbmsINFORMIX, dbmsVIRTUOSO, dbmsDB2, - dbmsINTERBASE + dbmsINTERBASE, + dbmsPERVASIVE_SQL }; @@ -453,13 +463,15 @@ enum wxDBMS // why the connection failed. Note: as each wxDb object is closed, it // will overwrite the errors of the previously destroyed wxDb object in // this variable. -extern wxChar DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; + +WXDLLEXPORT_DATA(extern wxChar) DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; class WXDLLEXPORT wxDb { private: bool dbIsOpen; + bool dbIsCached; // Was connection created by caching functions wxString dsn; // Data source name wxString uid; // User ID wxString authStr; // Authorization string (password) @@ -498,9 +510,17 @@ private: wxDbSqlTypeInfo typeInfInteger; wxDbSqlTypeInfo typeInfFloat; wxDbSqlTypeInfo typeInfDate; + wxDbSqlTypeInfo typeInfBlob; #endif public: + + void setCached(bool cached) { dbIsCached = cached; }; // This function must only be called by wxDbGetConnection() and wxDbCloseConnections!!! + bool IsCached() { return dbIsCached; }; + + bool GetDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo) + { return getDataTypeInfo(fSqlType, structSQLTypeInfo); } + #if wxODBC_BACKWARD_COMPATABILITY // ODBC handles HENV henv; // ODBC Environment handle @@ -570,12 +590,15 @@ public: wxDbSqlTypeInfo typeInfInteger; wxDbSqlTypeInfo typeInfFloat; wxDbSqlTypeInfo typeInfDate; + wxDbSqlTypeInfo typeInfBlob; #endif // Public member functions wxDb(const HENV &aHenv, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS); + ~wxDb(); - bool Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr); // Data Source Name, User ID, Password + // Data Source Name, User ID, Password and whether open should fail on data type not supported + bool Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported=TRUE); bool Open(wxDbConnectInf *dbConnectInf); bool Open(wxDb *copyDb); // pointer to a wxDb whose connection info should be copied rather than re-queried void Close(void); @@ -593,33 +616,50 @@ public: int TranslateSqlState(const wxString &SQLState); wxDbInf *GetCatalog(const wxChar *userID=NULL); bool Catalog(const wxChar *userID=NULL, const wxString &fileName=SQL_CATALOG_FILENAME); - int GetKeyFields(const wxString &tableName, wxDbColInf* colInf, int nocols); + int GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCols); wxDbColInf *GetColumns(wxChar *tableName[], const wxChar *userID=NULL); - wxDbColInf *GetColumns(const wxString &tableName, int *numCols, const wxChar *userID=NULL); + wxDbColInf *GetColumns(const wxString &tableName, UWORD *numCols, const wxChar *userID=NULL); - int GetColumnCount(const wxString &tableName, const wxChar *userID=NULL); - const wxChar *GetDatabaseName(void) {return dbInf.dbmsName;} + int GetColumnCount(const wxString &tableName, const wxChar *userID=NULL); + const wxChar *GetDatabaseName(void) {return dbInf.dbmsName;} const wxString &GetDataSource(void) {return dsn;} const wxString &GetDatasourceName(void){return dsn;} const wxString &GetUsername(void) {return uid;} const wxString &GetPassword(void) {return authStr;} - bool IsOpen(void) {return dbIsOpen;} - HENV GetHENV(void) {return henv;} - HDBC GetHDBC(void) {return hdbc;} - HSTMT GetHSTMT(void) {return hstmt;} - int GetTableCount() {return nTables;}; // number of tables using this connection - wxDbSqlTypeInfo GetTypeInfVarchar() {return typeInfVarchar;} - wxDbSqlTypeInfo GetTypeInfInteger() {return typeInfInteger;} - wxDbSqlTypeInfo GetTypeInfFloat() {return typeInfFloat;} - wxDbSqlTypeInfo GetTypeInfDate() {return typeInfDate;} - - bool TableExists(const wxString &tableName, const wxChar *userID=NULL, const wxString &tablePath=wxEmptyString); // tableName can refer to a table, view, alias or synonym - bool TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID=NULL, const wxChar *schema=NULL, const wxString &path=wxEmptyString); // tableName can refer to a table, view, alias or synonym - void LogError(const wxString &errMsg, const wxString &SQLState = wxEmptyString) { logError(errMsg, SQLState); } + bool IsOpen(void) {return dbIsOpen;} + HENV GetHENV(void) {return henv;} + HDBC GetHDBC(void) {return hdbc;} + HSTMT GetHSTMT(void) {return hstmt;} + int GetTableCount() {return nTables;} // number of tables using this connection + wxDbSqlTypeInfo GetTypeInfVarchar() {return typeInfVarchar;} + wxDbSqlTypeInfo GetTypeInfInteger() {return typeInfInteger;} + wxDbSqlTypeInfo GetTypeInfFloat() {return typeInfFloat;} + wxDbSqlTypeInfo GetTypeInfDate() {return typeInfDate;} + wxDbSqlTypeInfo GetTypeInfBlob() {return typeInfBlob;} + + // tableName can refer to a table, view, alias or synonym + bool TableExists(const wxString &tableName, const wxChar *userID=NULL, + const wxString &tablePath=wxEmptyString); + bool TablePrivileges(const wxString &tableName, const wxString &priv, + const wxChar *userID=NULL, const wxChar *schema=NULL, + const wxString &path=wxEmptyString); + + // These two functions return the table name or column name in a form ready + // for use in SQL statements. For example, if the datasource allows spaces + // in the table name or column name, the returned string will have the + // correct enclosing marks around the name to allow it to be properly + // included in a SQL statement + const wxString SQLTableName(const wxChar *tableName); + const wxString SQLColumnName(const wxChar *colName); + + void LogError(const wxString &errMsg, const wxString &SQLState = wxEmptyString) + { logError(errMsg, SQLState); } void SetDebugErrorMessages(bool state) { silent = !state; } - bool SetSqlLogging(wxDbSqlLogState state, const wxString &filename = SQL_LOG_FILENAME, bool append = FALSE); + bool SetSqlLogging(wxDbSqlLogState state, const wxString &filename = SQL_LOG_FILENAME, + bool append = FALSE); bool WriteSqlLog(const wxString &logMsg); + wxDBMS Dbms(void); bool ModifyColumn(const wxString &tableName, const wxString &columnName, int dataType, ULONG columnLength=0, @@ -672,8 +712,16 @@ void WXDLLEXPORT wxDbCloseConnections(void); int WXDLLEXPORT wxDbConnectionsInUse(void); +// Writes a message to the wxLog window (stdout usually) when an internal error +// situation occurs. This function only works in DEBUG builds +const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText, + wxDb *pDb, + const wxChar *ErrFile, + int ErrLine); + + // This function sets the sql log state for all open wxDb objects -bool wxDbSqlLog(wxDbSqlLogState state, const wxString &filename = SQL_LOG_FILENAME); +bool WXDLLEXPORT wxDbSqlLog(wxDbSqlLogState state, const wxString &filename = SQL_LOG_FILENAME); #if 0