X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ac4650263f1d1fc557237b9b5d68bcbe106cc407..696b38f7f5255a9aae92822efafc3de36e3390a5:/include/wx/db.h diff --git a/include/wx/db.h b/include/wx/db.h index 29ac2bbc17..5d7d67c220 100644 --- a/include/wx/db.h +++ b/include/wx/db.h @@ -1,472 +1,848 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: db.h -// Purpose: Header file wxDB class. The wxDB class represents a connection -// to an ODBC data source. The wxDB class allows operations on the data +// Name: wx/db.h +// Purpose: Header file 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. // Author: Doug Card -// Modified by: -// Mods: Dec, 1998: +// Modified by: George Tasker +// Bart Jourquin +// Mark Johnson, wxWindows@mj10777.de +// Mods: Dec, 1998: // -Added support for SQL statement logging and database cataloging -// April, 1999 -// -Added QUERY_ONLY mode support to reduce default number of cursors -// -Added additional SQL logging code +// April, 1999 +// -Added QUERY_ONLY mode support to reduce default number of cursors +// -Added additional SQL logging code // -Added DEBUG-ONLY tracking of Ctable objects to detect orphaned DB connections -// -Set ODBC option to only read committed writes to the DB so all -// databases operate the same in that respect +// -Set ODBC option to only read committed writes to the DB so all +// databases operate the same in that respect // // Created: 9.96 // RCS-ID: $Id$ // Copyright: (c) 1996 Remstar International, Inc. -// Licence: wxWindows licence, plus: -// Notice: This class library and its intellectual design are free of charge for use, -// modification, enhancement, debugging under the following conditions: -// 1) These classes may only be used as part of the implementation of a -// wxWindows-based application -// 2) All enhancements and bug fixes are to be submitted back to the wxWindows -// user groups free of all charges for use with the wxWindows library. -// 3) These classes may not be distributed as part of any other class library, -// DLL, text (written or electronic), other than a complete distribution of -// the wxWindows GUI development toolkit. -// +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -/* -// SYNOPSIS START -// SYNOPSIS STOP -*/ +#ifndef _WX_DB_H_ +#define _WX_DB_H_ + + +// BJO 20000503: introduce new GetColumns members which are more database independent and +// return columns in the order they were created +#define OLD_GETCOLUMNS 1 +#define EXPERIMENTAL_WXDB_FUNCTIONS 1 + +#include "wx/defs.h" +#include "wx/string.h" + +#if defined(__VISUALC__) + // we need to include standard Windows headers but we can't include + // directly when using MFC because it includes it itself in a + // different manner + #if wxUSE_MFC + #include + #else // !wxUSE_MFC + #ifndef STRICT + #define STRICT 1 + #endif + + #include + #include "wx/msw/winundef.h" + #endif // wxUSE_MFC/!wxUSE_MFC + + // 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 + // + // Must add "odbccp32.lib" in \wx2\wxWidgets\src\makevc.env to the WINLIBS= line + // + #include "sql.h" + #include "sqlext.h" + //#if wxUSE_UNICODE + // #include + //#endif + #include "odbcinst.h" +#else + #if defined(__WINDOWS__) && ( defined(HAVE_W32API_H) || defined(__BORLANDC__) ) + #include + #include "wx/msw/winundef.h" + #endif + extern "C" { + #if defined(wxUSE_BUILTIN_IODBC) && wxUSE_BUILTIN_IODBC + // Use the ones from the library + #include "wx/isql.h" + #include "wx/isqlext.h" + // Not available in v2.x of iODBC + #ifndef __WXMSW__ + #if wxUSE_UNICODE + typedef wxChar SQLTCHAR; + #else + typedef UCHAR SQLTCHAR; + #endif + #endif + #else + #include + #include + //#if wxUSE_UNICODE + // #include + //#endif + #endif + } +#endif + +#if wxUSE_UNICODE +#define SQL_C_WXCHAR SQL_C_WCHAR +#else +#define SQL_C_WXCHAR SQL_C_CHAR +#endif -#ifndef DB_DOT_H -#define DB_DOT_H +#ifdef __DIGITALMARS__ +#if wxUSE_UNICODE +typedef wxChar SQLTCHAR; +#else +typedef UCHAR SQLTCHAR; +#endif +#endif -// Use this line for wxWindows v1.x -//#include "wx_ver.h" -// Use this line for wxWindows v2.x -#include "wx/version.h" +typedef float SFLOAT; +typedef double SDOUBLE; +typedef unsigned int UINT; +#define ULONG UDWORD -#if wxMAJOR_VERSION == 2 - #ifdef __GNUG__ - #pragma interface "db.h" - #endif +#ifndef wxODBC_FWD_ONLY_CURSORS +#define wxODBC_FWD_ONLY_CURSORS 1 #endif -#if defined(wx_msw) || defined(__WXMSW__) || defined(WIN32) -#include +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)) #endif -#ifdef __UNIX__ -#if wxMAJOR_VERSION == 2 - extern "C" { - #include "../../src/iodbc/isql.h" - #include "../../src/iodbc/isqlext.h" - } -#else // version == 1 - extern "C" { - #include "iodbc.h" - #include "isqlext.h" - } +#ifndef SQL_C_ENUM + #define SQL_C_ENUM (sizeof(enumDummy) == 2 ? SQL_C_USHORT : SQL_C_ULONG) #endif - typedef float SFLOAT; - typedef double SDOUBLE; - typedef unsigned int UINT; - #define ULONG UDWORD -#elif defined(__WXMAC__) - extern "C" { - #include "../../src/iodbc/isql.h" - #include "../../src/iodbc/isqlext.h" - } - typedef float SFLOAT; - typedef double SDOUBLE; - typedef unsigned int UINT; - #define ULONG UDWORD -#else // msw - #define ODBCVER 0x0250 - #include - #include + +// NOTE: If SQL_C_BLOB is defined, and it is not SQL_C_BINARY, iODBC 2.x +// may not function correctly. Likely best to use SQL_C_BINARY direct +#ifndef SQL_C_BLOB + #ifdef SQL_C_BINARY + #define SQL_C_BLOB SQL_C_BINARY + #endif #endif -#ifdef __UNIX__ -# ifndef strnicmp -# define strnicmp strncasecmp -# endif -# ifndef stricmp -# define stricmp strcasecmp -# endif -#elif defined(__WXMAC__) -#else -# include +#ifndef _WIN64 +#ifndef SQLLEN +#define SQLLEN SQLINTEGER +#endif +#ifndef SQLULEN +#define SQLULEN SQLUINTEGER +#endif #endif -enum enumDummy {enumDum1}; +const int wxDB_PATH_MAX = 254; -#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) +extern WXDLLIMPEXP_DATA_ODBC(wxChar const *) SQL_LOG_FILENAME; +extern WXDLLIMPEXP_DATA_ODBC(wxChar const *) SQL_CATALOG_FILENAME; -#define SQL_C_ENUM (sizeof(enumDummy) == 2 ? SQL_C_USHORT : SQL_C_ULONG) +// Database Globals +const int DB_TYPE_NAME_LEN = 40; +const int DB_MAX_STATEMENT_LEN = 4096; +const int DB_MAX_WHERE_CLAUSE_LEN = 2048; +const int DB_MAX_ERROR_MSG_LEN = 512; +const int DB_MAX_ERROR_HISTORY = 5; +const int DB_MAX_TABLE_NAME_LEN = 128; +const int DB_MAX_COLUMN_NAME_LEN = 128; + +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_DATA_TYPE_MEMO = 6; + +const int DB_SELECT_KEYFIELDS = 1; +const int DB_SELECT_WHERE = 2; +const int DB_SELECT_MATCHING = 3; +const int DB_SELECT_STATEMENT = 4; + +const int DB_UPD_KEYFIELDS = 1; +const int DB_UPD_WHERE = 2; + +const int DB_DEL_KEYFIELDS = 1; +const int DB_DEL_WHERE = 2; +const int DB_DEL_MATCHING = 3; + +const int DB_WHERE_KEYFIELDS = 1; +const int DB_WHERE_MATCHING = 2; + +const int DB_GRANT_SELECT = 1; +const int DB_GRANT_INSERT = 2; +const int DB_GRANT_UPDATE = 4; +const int DB_GRANT_DELETE = 8; +const int DB_GRANT_ALL = DB_GRANT_SELECT | DB_GRANT_INSERT | DB_GRANT_UPDATE | DB_GRANT_DELETE; -#ifndef TRUE -#define TRUE 1 +// ODBC Error codes (derived from ODBC SqlState codes) +enum wxODBC_ERRORS +{ + DB_FAILURE = 0, + DB_SUCCESS = 1, + DB_ERR_NOT_IN_USE, + DB_ERR_GENERAL_WARNING, // SqlState = '01000' + DB_ERR_DISCONNECT_ERROR, // SqlState = '01002' + DB_ERR_DATA_TRUNCATED, // SqlState = '01004' + DB_ERR_PRIV_NOT_REVOKED, // SqlState = '01006' + DB_ERR_INVALID_CONN_STR_ATTR, // SqlState = '01S00' + DB_ERR_ERROR_IN_ROW, // SqlState = '01S01' + DB_ERR_OPTION_VALUE_CHANGED, // SqlState = '01S02' + DB_ERR_NO_ROWS_UPD_OR_DEL, // SqlState = '01S03' + DB_ERR_MULTI_ROWS_UPD_OR_DEL, // SqlState = '01S04' + DB_ERR_WRONG_NO_OF_PARAMS, // SqlState = '07001' + DB_ERR_DATA_TYPE_ATTR_VIOL, // SqlState = '07006' + DB_ERR_UNABLE_TO_CONNECT, // SqlState = '08001' + DB_ERR_CONNECTION_IN_USE, // SqlState = '08002' + DB_ERR_CONNECTION_NOT_OPEN, // SqlState = '08003' + DB_ERR_REJECTED_CONNECTION, // SqlState = '08004' + DB_ERR_CONN_FAIL_IN_TRANS, // SqlState = '08007' + DB_ERR_COMM_LINK_FAILURE, // SqlState = '08S01' + DB_ERR_INSERT_VALUE_LIST_MISMATCH, // SqlState = '21S01' + DB_ERR_DERIVED_TABLE_MISMATCH, // SqlState = '21S02' + DB_ERR_STRING_RIGHT_TRUNC, // SqlState = '22001' + DB_ERR_NUMERIC_VALUE_OUT_OF_RNG, // SqlState = '22003' + DB_ERR_ERROR_IN_ASSIGNMENT, // SqlState = '22005' + DB_ERR_DATETIME_FLD_OVERFLOW, // SqlState = '22008' + DB_ERR_DIVIDE_BY_ZERO, // SqlState = '22012' + DB_ERR_STR_DATA_LENGTH_MISMATCH, // SqlState = '22026' + DB_ERR_INTEGRITY_CONSTRAINT_VIOL, // SqlState = '23000' + DB_ERR_INVALID_CURSOR_STATE, // SqlState = '24000' + DB_ERR_INVALID_TRANS_STATE, // SqlState = '25000' + DB_ERR_INVALID_AUTH_SPEC, // SqlState = '28000' + DB_ERR_INVALID_CURSOR_NAME, // SqlState = '34000' + DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL, // SqlState = '37000' + DB_ERR_DUPLICATE_CURSOR_NAME, // SqlState = '3C000' + DB_ERR_SERIALIZATION_FAILURE, // SqlState = '40001' + DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2, // SqlState = '42000' + DB_ERR_OPERATION_ABORTED, // SqlState = '70100' + DB_ERR_UNSUPPORTED_FUNCTION, // SqlState = 'IM001' + DB_ERR_NO_DATA_SOURCE, // SqlState = 'IM002' + DB_ERR_DRIVER_LOAD_ERROR, // SqlState = 'IM003' + DB_ERR_SQLALLOCENV_FAILED, // SqlState = 'IM004' + DB_ERR_SQLALLOCCONNECT_FAILED, // SqlState = 'IM005' + DB_ERR_SQLSETCONNECTOPTION_FAILED, // SqlState = 'IM006' + DB_ERR_NO_DATA_SOURCE_DLG_PROHIB, // SqlState = 'IM007' + DB_ERR_DIALOG_FAILED, // SqlState = 'IM008' + DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL, // SqlState = 'IM009' + DB_ERR_DATA_SOURCE_NAME_TOO_LONG, // SqlState = 'IM010' + DB_ERR_DRIVER_NAME_TOO_LONG, // SqlState = 'IM011' + DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR, // SqlState = 'IM012' + DB_ERR_TRACE_FILE_ERROR, // SqlState = 'IM013' + DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS, // SqlState = 'S0001' + DB_ERR_TABLE_NOT_FOUND, // SqlState = 'S0002' + DB_ERR_INDEX_ALREADY_EXISTS, // SqlState = 'S0011' + DB_ERR_INDEX_NOT_FOUND, // SqlState = 'S0012' + DB_ERR_COLUMN_ALREADY_EXISTS, // SqlState = 'S0021' + DB_ERR_COLUMN_NOT_FOUND, // SqlState = 'S0022' + DB_ERR_NO_DEFAULT_FOR_COLUMN, // SqlState = 'S0023' + DB_ERR_GENERAL_ERROR, // SqlState = 'S1000' + DB_ERR_MEMORY_ALLOCATION_FAILURE, // SqlState = 'S1001' + DB_ERR_INVALID_COLUMN_NUMBER, // SqlState = 'S1002' + DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE, // SqlState = 'S1003' + DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE, // SqlState = 'S1004' + DB_ERR_OPERATION_CANCELLED, // SqlState = 'S1008' + DB_ERR_INVALID_ARGUMENT_VALUE, // SqlState = 'S1009' + DB_ERR_FUNCTION_SEQUENCE_ERROR, // SqlState = 'S1010' + DB_ERR_OPERATION_INVALID_AT_THIS_TIME, // SqlState = 'S1011' + DB_ERR_INVALID_TRANS_OPERATION_CODE, // SqlState = 'S1012' + DB_ERR_NO_CURSOR_NAME_AVAIL, // SqlState = 'S1015' + DB_ERR_INVALID_STR_OR_BUF_LEN, // SqlState = 'S1090' + DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE, // SqlState = 'S1091' + DB_ERR_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1092' + DB_ERR_INVALID_PARAM_NO, // SqlState = 'S1093' + DB_ERR_INVALID_SCALE_VALUE, // SqlState = 'S1094' + DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1095' + DB_ERR_INF_TYPE_OUT_OF_RANGE, // SqlState = 'S1096' + DB_ERR_COLUMN_TYPE_OUT_OF_RANGE, // SqlState = 'S1097' + DB_ERR_SCOPE_TYPE_OUT_OF_RANGE, // SqlState = 'S1098' + DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE, // SqlState = 'S1099' + DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1100' + DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1101' + DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE, // SqlState = 'S1103' + DB_ERR_INVALID_PRECISION_VALUE, // SqlState = 'S1104' + DB_ERR_INVALID_PARAM_TYPE, // SqlState = 'S1105' + DB_ERR_FETCH_TYPE_OUT_OF_RANGE, // SqlState = 'S1106' + DB_ERR_ROW_VALUE_OUT_OF_RANGE, // SqlState = 'S1107' + DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE, // SqlState = 'S1108' + DB_ERR_INVALID_CURSOR_POSITION, // SqlState = 'S1109' + DB_ERR_INVALID_DRIVER_COMPLETION, // SqlState = 'S1110' + DB_ERR_INVALID_BOOKMARK_VALUE, // SqlState = 'S1111' + DB_ERR_DRIVER_NOT_CAPABLE, // SqlState = 'S1C00' + DB_ERR_TIMEOUT_EXPIRED // SqlState = 'S1T00' +}; + +#ifndef MAXNAME + #define MAXNAME 31 +#endif + +#ifndef SQL_MAX_AUTHSTR_LEN + // There does not seem to be a standard for this, so I am + // defaulting to the value that MS uses + #define SQL_MAX_AUTHSTR_LEN MAXNAME #endif -#ifndef FALSE -#define FALSE 0 +#ifndef SQL_MAX_CONNECTSTR_LEN + // There does not seem to be a standard for this, so I am + // defaulting to the value that MS recommends + #define SQL_MAX_CONNECTSTR_LEN 1024 #endif -const int DB_PATH_MAX = 254; -// Database Globals -const int DB_TYPE_NAME_LEN = 40; -const int DB_MAX_STATEMENT_LEN = 2048; -const int DB_MAX_WHERE_CLAUSE_LEN = 1024; -const int DB_MAX_ERROR_MSG_LEN = 512; -const int DB_MAX_ERROR_HISTORY = 5; -const int DB_MAX_TABLE_NAME_LEN = 128; -const int DB_MAX_COLUMN_NAME_LEN = 128; - -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_SELECT_KEYFIELDS = 1; -const int DB_SELECT_WHERE = 2; -const int DB_SELECT_MATCHING = 3; -const int DB_SELECT_STATEMENT = 4; - -const int DB_UPD_KEYFIELDS = 1; -const int DB_UPD_WHERE = 2; - -const int DB_DEL_KEYFIELDS = 1; -const int DB_DEL_WHERE = 2; -const int DB_DEL_MATCHING = 3; - -const int DB_WHERE_KEYFIELDS = 1; -const int DB_WHERE_MATCHING = 2; - -const int DB_GRANT_SELECT = 1; -const int DB_GRANT_INSERT = 2; -const int DB_GRANT_UPDATE = 4; -const int DB_GRANT_DELETE = 8; -const int DB_GRANT_ALL = DB_GRANT_SELECT | DB_GRANT_INSERT | DB_GRANT_UPDATE | DB_GRANT_DELETE; +class WXDLLIMPEXP_ODBC wxDbConnectInf +{ + private: + bool freeHenvOnDestroy; + bool useConnectionStr; -// ODBC Error codes (derived from ODBC SqlState codes) -enum ODBC_ERRORS + 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) + wxChar ConnectionStr[SQL_MAX_CONNECTSTR_LEN+1]; // Connection string (password) + + wxString Description; // Not sure what the max length is + wxString FileType; // Not sure what the max length is + + // Optionals needed for some databases like dBase + wxString DefaultDir; // Directory that db file resides in + + public: + + wxDbConnectInf(); + wxDbConnectInf(HENV henv, const wxString &dsn, const wxString &userID=wxEmptyString, + const wxString &password=wxEmptyString, const wxString &defaultDir=wxEmptyString, + const wxString &description=wxEmptyString, const wxString &fileType=wxEmptyString); + + ~wxDbConnectInf(); + + bool Initialize(); + + bool AllocHenv(); + void FreeHenv(); + + // Accessors + const HENV &GetHenv() { return Henv; }; + + const wxChar *GetDsn() { return Dsn; }; + + const wxChar *GetUid() { return Uid; }; + const wxChar *GetUserID() { return Uid; }; + + const wxChar *GetAuthStr() { return AuthStr; }; + const wxChar *GetPassword() { return AuthStr; }; + + const wxChar *GetConnectionStr() { return ConnectionStr; }; + bool UseConnectionStr() { return useConnectionStr; }; + + const wxChar *GetDescription() { return Description; }; + const wxChar *GetFileType() { return FileType; }; + const wxChar *GetDefaultDir() { return DefaultDir; }; + + void SetHenv(const HENV henv) { Henv = henv; }; + + void SetDsn(const wxString &dsn); + + void SetUserID(const wxString &userID); + void SetUid(const wxString &uid) { SetUserID(uid); }; + + void SetPassword(const wxString &password); + void SetAuthStr(const wxString &authstr) { SetPassword(authstr); }; + + void SetConnectionStr(const wxString &connectStr); + + void SetDescription(const wxString &desc) { Description = desc; }; + void SetFileType(const wxString &fileType) { FileType = fileType; }; + void SetDefaultDir(const wxString &defDir) { DefaultDir = defDir; }; +}; // class wxDbConnectInf + + +struct WXDLLIMPEXP_ODBC wxDbSqlTypeInfo { - DB_FAILURE = 0, - DB_SUCCESS = 1, - DB_ERR_NOT_IN_USE, - DB_ERR_GENERAL_WARNING, // SqlState = '01000' - DB_ERR_DISCONNECT_ERROR, // SqlState = '01002' - DB_ERR_DATA_TRUNCATED, // SqlState = '01004' - DB_ERR_PRIV_NOT_REVOKED, // SqlState = '01006' - DB_ERR_INVALID_CONN_STR_ATTR, // SqlState = '01S00' - DB_ERR_ERROR_IN_ROW, // SqlState = '01S01' - DB_ERR_OPTION_VALUE_CHANGED, // SqlState = '01S02' - DB_ERR_NO_ROWS_UPD_OR_DEL, // SqlState = '01S03' - DB_ERR_MULTI_ROWS_UPD_OR_DEL, // SqlState = '01S04' - DB_ERR_WRONG_NO_OF_PARAMS, // SqlState = '07001' - DB_ERR_DATA_TYPE_ATTR_VIOL, // SqlState = '07006' - DB_ERR_UNABLE_TO_CONNECT, // SqlState = '08001' - DB_ERR_CONNECTION_IN_USE, // SqlState = '08002' - DB_ERR_CONNECTION_NOT_OPEN, // SqlState = '08003' - DB_ERR_REJECTED_CONNECTION, // SqlState = '08004' - DB_ERR_CONN_FAIL_IN_TRANS, // SqlState = '08007' - DB_ERR_COMM_LINK_FAILURE, // SqlState = '08S01' - DB_ERR_INSERT_VALUE_LIST_MISMATCH, // SqlState = '21S01' - DB_ERR_DERIVED_TABLE_MISMATCH, // SqlState = '21S02' - DB_ERR_STRING_RIGHT_TRUNC, // SqlState = '22001' - DB_ERR_NUMERIC_VALUE_OUT_OF_RNG, // SqlState = '22003' - DB_ERR_ERROR_IN_ASSIGNMENT, // SqlState = '22005' - DB_ERR_DATETIME_FLD_OVERFLOW, // SqlState = '22008' - DB_ERR_DIVIDE_BY_ZERO, // SqlState = '22012' - DB_ERR_STR_DATA_LENGTH_MISMATCH, // SqlState = '22026' - DB_ERR_INTEGRITY_CONSTRAINT_VIOL, // SqlState = '23000' - DB_ERR_INVALID_CURSOR_STATE, // SqlState = '24000' - DB_ERR_INVALID_TRANS_STATE, // SqlState = '25000' - DB_ERR_INVALID_AUTH_SPEC, // SqlState = '28000' - DB_ERR_INVALID_CURSOR_NAME, // SqlState = '34000' - DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL, // SqlState = '37000' - DB_ERR_DUPLICATE_CURSOR_NAME, // SqlState = '3C000' - DB_ERR_SERIALIZATION_FAILURE, // SqlState = '40001' - DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2, // SqlState = '42000' - DB_ERR_OPERATION_ABORTED, // SqlState = '70100' - DB_ERR_UNSUPPORTED_FUNCTION, // SqlState = 'IM001' - DB_ERR_NO_DATA_SOURCE, // SqlState = 'IM002' - DB_ERR_DRIVER_LOAD_ERROR, // SqlState = 'IM003' - DB_ERR_SQLALLOCENV_FAILED, // SqlState = 'IM004' - DB_ERR_SQLALLOCCONNECT_FAILED, // SqlState = 'IM005' - DB_ERR_SQLSETCONNECTOPTION_FAILED, // SqlState = 'IM006' - DB_ERR_NO_DATA_SOURCE_DLG_PROHIB, // SqlState = 'IM007' - DB_ERR_DIALOG_FAILED, // SqlState = 'IM008' - DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL, // SqlState = 'IM009' - DB_ERR_DATA_SOURCE_NAME_TOO_LONG, // SqlState = 'IM010' - DB_ERR_DRIVER_NAME_TOO_LONG, // SqlState = 'IM011' - DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR, // SqlState = 'IM012' - DB_ERR_TRACE_FILE_ERROR, // SqlState = 'IM013' - DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS, // SqlState = 'S0001' - DB_ERR_TABLE_NOT_FOUND, // SqlState = 'S0002' - DB_ERR_INDEX_ALREADY_EXISTS, // SqlState = 'S0011' - DB_ERR_INDEX_NOT_FOUND, // SqlState = 'S0012' - DB_ERR_COLUMN_ALREADY_EXISTS, // SqlState = 'S0021' - DB_ERR_COLUMN_NOT_FOUND, // SqlState = 'S0022' - DB_ERR_NO_DEFAULT_FOR_COLUMN, // SqlState = 'S0023' - DB_ERR_GENERAL_ERROR, // SqlState = 'S1000' - DB_ERR_MEMORY_ALLOCATION_FAILURE, // SqlState = 'S1001' - DB_ERR_INVALID_COLUMN_NUMBER, // SqlState = 'S1002' - DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE, // SqlState = 'S1003' - DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE, // SqlState = 'S1004' - DB_ERR_OPERATION_CANCELLED, // SqlState = 'S1008' - DB_ERR_INVALID_ARGUMENT_VALUE, // SqlState = 'S1009' - DB_ERR_FUNCTION_SEQUENCE_ERROR, // SqlState = 'S1010' - DB_ERR_OPERATION_INVALID_AT_THIS_TIME, // SqlState = 'S1011' - DB_ERR_INVALID_TRANS_OPERATION_CODE, // SqlState = 'S1012' - DB_ERR_NO_CURSOR_NAME_AVAIL, // SqlState = 'S1015' - DB_ERR_INVALID_STR_OR_BUF_LEN, // SqlState = 'S1090' - DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE, // SqlState = 'S1091' - DB_ERR_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1092' - DB_ERR_INVALID_PARAM_NO, // SqlState = 'S1093' - DB_ERR_INVALID_SCALE_VALUE, // SqlState = 'S1094' - DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1095' - DB_ERR_INF_TYPE_OUT_OF_RANGE, // SqlState = 'S1096' - DB_ERR_COLUMN_TYPE_OUT_OF_RANGE, // SqlState = 'S1097' - DB_ERR_SCOPE_TYPE_OUT_OF_RANGE, // SqlState = 'S1098' - DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE, // SqlState = 'S1099' - DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1100' - DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE, // SqlState = 'S1101' - DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE, // SqlState = 'S1103' - DB_ERR_INVALID_PRECISION_VALUE, // SqlState = 'S1104' - DB_ERR_INVALID_PARAM_TYPE, // SqlState = 'S1105' - DB_ERR_FETCH_TYPE_OUT_OF_RANGE, // SqlState = 'S1106' - DB_ERR_ROW_VALUE_OUT_OF_RANGE, // SqlState = 'S1107' - DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE, // SqlState = 'S1108' - DB_ERR_INVALID_CURSOR_POSITION, // SqlState = 'S1109' - DB_ERR_INVALID_DRIVER_COMPLETION, // SqlState = 'S1110' - DB_ERR_INVALID_BOOKMARK_VALUE, // SqlState = 'S1111' - DB_ERR_DRIVER_NOT_CAPABLE, // SqlState = 'S1C00' - DB_ERR_TIMEOUT_EXPIRED // SqlState = 'S1T00' + wxString TypeName; + SWORD FsqlType; + long Precision; + short CaseSensitive; + short MaximumScale; }; -struct DbStuff + +class WXDLLIMPEXP_ODBC wxDbColFor { - HENV Henv; - char Dsn[SQL_MAX_DSN_LENGTH+1]; // Data Source Name - char Uid[20+1]; // User ID - char AuthStr[20+1]; // Authorization string (password) +public: + wxString s_Field; // Formatted String for Output + wxString s_Format[7]; // Formatted Objects - TIMESTAMP has the biggest (7) + wxString s_Amount[7]; // Formatted Objects - amount of things that can be formatted + int i_Amount[7]; // Formatted Objects - TT MM YYYY HH MM SS m + int i_Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US + int i_dbDataType; // conversion of the 'sqlDataType' to the generic data type used by these classes + SWORD i_sqlDataType; + + wxDbColFor(); + ~wxDbColFor(){} + + void Initialize(); + int Format(int Nation, int dbDataType, SWORD sqlDataType, short columnLength, short decimalDigits); +}; - char description[SQL_MAX_DSN_LENGTH+1]; // Not sure what the max length is - char fileType[SQL_MAX_DSN_LENGTH+1]; // Not sure what the max length is - // Optionals needed for some databases like dBase - char defaultDir[DB_PATH_MAX]; // Directory that db file resides in +class WXDLLIMPEXP_ODBC wxDbColInf +{ +public: + wxChar catalog[128+1]; + wxChar schema[128+1]; + wxChar tableName[DB_MAX_TABLE_NAME_LEN+1]; + wxChar colName[DB_MAX_COLUMN_NAME_LEN+1]; + SWORD sqlDataType; + wxChar typeName[128+1]; + SWORD columnLength; + SWORD bufferSize; + short decimalDigits; + short numPrecRadix; + short nullable; + wxChar remarks[254+1]; + int dbDataType; // conversion of the 'sqlDataType' to the generic data type used by these classes + // mj10777.19991224 : new + int PkCol; // Primary key column 0=No; 1= First Key, 2 = Second Key etc. + wxChar PkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Tables that use this PKey as a FKey + int FkCol; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc. + wxChar FkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Foreign key table name + wxDbColFor *pColFor; // How should this columns be formatted + + wxDbColInf(); + ~wxDbColInf(); + + bool Initialize(); }; -typedef struct + +class WXDLLIMPEXP_ODBC wxDbTableInf // Description of a Table { - char TypeName[DB_TYPE_NAME_LEN]; - int FsqlType; - long Precision; - short CaseSensitive; -// short MinimumScale; - short MaximumScale; -} SqlTypeInfo; - -class WXDLLEXPORT CcolInf +public: + wxChar tableName[DB_MAX_TABLE_NAME_LEN+1]; + wxChar tableType[254+1]; // "TABLE" or "SYSTEM TABLE" etc. + wxChar tableRemarks[254+1]; + UWORD numCols; // How many Columns does this Table have: GetColumnCount(..); + wxDbColInf *pColInf; // pColInf = NULL ; User can later call GetColumns(..); + + wxDbTableInf(); + ~wxDbTableInf(); + + bool Initialize(); +}; + + +class WXDLLIMPEXP_ODBC wxDbInf // Description of a Database { public: - char tableName[DB_MAX_TABLE_NAME_LEN+1]; - char colName[DB_MAX_COLUMN_NAME_LEN+1]; - int sqlDataType; + wxChar catalog[128+1]; + wxChar schema[128+1]; + int numTables; // How many tables does this database have + wxDbTableInf *pTableInf; // pTableInf = new wxDbTableInf[numTables]; + + wxDbInf(); + ~wxDbInf(); + + bool Initialize(); }; -enum sqlLog + +enum wxDbSqlLogState { - sqlLogOFF, - sqlLogON + sqlLogOFF, + sqlLogON }; -enum dbms +// These are the databases currently tested and working with these classes +// See the comments in wxDb::Dbms() for exceptions/issues with +// each of these database engines +enum wxDBMS { - dbmsUNIDENTIFIED, - dbmsORACLE, - dbmsSYBASE_ASA, // Adaptive Server Anywhere - dbmsSYBASE_ASE, // Adaptive Server Enterprise - dbmsMS_SQL_SERVER, - dbmsMY_SQL, - dbmsPOSTGRES, - dbmsACCESS, - dbmsDBASE, - dbmsINFORMIX + dbmsUNIDENTIFIED, + dbmsORACLE, + dbmsSYBASE_ASA, // Adaptive Server Anywhere + dbmsSYBASE_ASE, // Adaptive Server Enterprise + dbmsMS_SQL_SERVER, + dbmsMY_SQL, + dbmsPOSTGRES, + dbmsACCESS, + dbmsDBASE, + dbmsINFORMIX, + dbmsVIRTUOSO, + dbmsDB2, + dbmsINTERBASE, + dbmsPERVASIVE_SQL, + dbmsXBASE_SEQUITER, + dbmsFIREBIRD, + dbmsMAXDB, + dbmsFuture1, + dbmsFuture2, + dbmsFuture3, + dbmsFuture4, + dbmsFuture5, + dbmsFuture6, + dbmsFuture7, + dbmsFuture8, + dbmsFuture9, + dbmsFuture10 }; -typedef enum dbms DBMS; -// The wxDB::errorList is copied to this variable when the wxDB object +// The wxDb::errorList is copied to this variable when the wxDb object // is closed. This way, the error list is still available after the -// database object is closed. This is necessary if the database +// database object is closed. This is necessary if the database // connection fails so the calling application can show the operator -// why the connection failed. Note: as each wxDB object is closed, it -// will overwrite the errors of the previously destroyed wxDB object in +// 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 char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; -class WXDLLEXPORT wxDB +extern WXDLLIMPEXP_DATA_ODBC(wxChar) + DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN+1]; + + +class WXDLLIMPEXP_ODBC wxDb { private: + bool dbIsOpen; + bool dbIsCached; // Was connection created by caching functions + bool dbOpenedWithConnectionString; // Was the database connection opened with a connection string + wxString dsn; // Data source name + wxString uid; // User ID + wxString authStr; // Authorization string (password) + wxString inConnectionStr; // Connection string used to connect to the database + wxString outConnectionStr;// Connection string returned by the database when a connection is successfully opened + FILE *fpSqlLog; // Sql Log file pointer + wxDbSqlLogState sqlLogState; // On or Off + bool fwdOnlyCursors; + wxDBMS dbmsType; // Type of datasource - i.e. Oracle, dBase, SQLServer, etc + + // Private member functions + bool getDbInfo(bool failOnDataTypeUnsupported=true); + bool getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo); + bool setConnectionOptions(void); + void logError(const wxString &errMsg, const wxString &SQLState); + const wxChar *convertUserID(const wxChar *userID, wxString &UserID); + bool determineDataTypes(bool failOnDataTypeUnsupported); + void initialize(); + bool open(bool failOnDataTypeUnsupported=true); + +#if !wxODBC_BACKWARD_COMPATABILITY + // ODBC handles + HENV henv; // ODBC Environment handle + HDBC hdbc; // ODBC DB Connection handle + HSTMT hstmt; // ODBC Statement handle + + //Error reporting mode + bool silent; + + // Number of Ctable objects connected to this db object. FOR INTERNAL USE ONLY!!! + unsigned int nTables; + + // Information about logical data types VARCHAR, INTEGER, FLOAT and DATE. + // + // This information is obtained from the ODBC driver by use of the + // SQLGetTypeInfo() function. The key piece of information is the + // type name the data source uses for each logical data type. + // e.g. VARCHAR; Oracle calls it VARCHAR2. + wxDbSqlTypeInfo typeInfVarchar; + wxDbSqlTypeInfo typeInfInteger; + wxDbSqlTypeInfo typeInfFloat; + wxDbSqlTypeInfo typeInfDate; + wxDbSqlTypeInfo typeInfBlob; + wxDbSqlTypeInfo typeInfMemo; +#endif - // Private data - bool dbIsOpen; - char *dsn; // Data source name - char *uid; // User ID - char *authStr; // Authorization string (password) - FILE *fpSqlLog; // Sql Log file pointer - enum sqlLog sqlLogState; // On or Off +public: - // Private member functions - bool getDbInfo(void); - bool getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo); - bool setConnectionOptions(void); - void logError(char *errMsg, char *SQLState); + void setCached(bool cached) { dbIsCached = cached; }; // This function must only be called by wxDbGetConnection() and wxDbCloseConnections!!! + bool IsCached() { return dbIsCached; }; -public: + bool GetDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo) + { return getDataTypeInfo(fSqlType, structSQLTypeInfo); } + +#if wxODBC_BACKWARD_COMPATABILITY + // ODBC handles + HENV henv; // ODBC Environment handle + HDBC hdbc; // ODBC DB Connection handle + HSTMT hstmt; // ODBC Statement handle + + //Error reporting mode + bool silent; + + // Number of Ctable objects connected to this db object. FOR INTERNAL USE ONLY!!! + unsigned int nTables; +#endif + + // The following structure contains database information gathered from the + // datasource when the datasource is first opened. + struct + { + wxChar dbmsName[40]; // Name of the dbms product + wxChar dbmsVer[64]; // Version # of the dbms product + wxChar driverName[40]; // Driver name + wxChar odbcVer[60]; // ODBC version of the driver + wxChar drvMgrOdbcVer[60]; // ODBC version of the driver manager + wxChar driverVer[60]; // Driver version + wxChar serverName[80]; // Server Name, typically a connect string + wxChar databaseName[128]; // Database filename + wxChar outerJoins[2]; // Indicates whether the data source supports outer joins + wxChar procedureSupport[2]; // Indicates whether the data source supports stored procedures + wxChar accessibleTables[2]; // Indicates whether the data source only reports accessible tables in SQLTables. + UWORD maxConnections; // Maximum # of connections the data source supports + UWORD maxStmts; // Maximum # of HSTMTs per HDBC + UWORD apiConfLvl; // ODBC API conformance level + UWORD cliConfLvl; // Indicates whether the data source is SAG compliant + UWORD sqlConfLvl; // SQL conformance level + UWORD cursorCommitBehavior; // Indicates how cursors are affected by a db commit + UWORD cursorRollbackBehavior; // Indicates how cursors are affected by a db rollback + UWORD supportNotNullClause; // Indicates if data source supports NOT NULL clause + wxChar supportIEF[2]; // Integrity Enhancement Facility (Referential Integrity) + UDWORD txnIsolation; // Default transaction isolation level supported by the driver + UDWORD txnIsolationOptions; // Transaction isolation level options available + UDWORD fetchDirections; // Fetch directions supported + UDWORD lockTypes; // Lock types supported in SQLSetPos + UDWORD posOperations; // Position operations supported in SQLSetPos + UDWORD posStmts; // Position statements supported + UDWORD scrollConcurrency; // Concurrency control options supported for scrollable cursors + UDWORD scrollOptions; // Scroll Options supported for scrollable cursors + UDWORD staticSensitivity; // Indicates if additions, deletions and updates can be detected + UWORD txnCapable; // Indicates if the data source supports transactions + UDWORD loginTimeout; // Number seconds to wait for a login request + } dbInf; + + // ODBC Error Inf. + SWORD cbErrorMsg; + int DB_STATUS; +#ifdef __VMS + // The DECC compiler chokes when in db.cpp the array is accessed outside + // its bounds. Maybe this change should also applied for other platforms. + wxChar errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN+1]; +#else + wxChar errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; +#endif + wxChar errorMsg[SQL_MAX_MESSAGE_LENGTH]; + SQLINTEGER nativeError; + wxChar sqlState[20]; + +#if wxODBC_BACKWARD_COMPATABILITY + // Information about logical data types VARCHAR, INTEGER, FLOAT and DATE. + // + // This information is obtained from the ODBC driver by use of the + // SQLGetTypeInfo() function. The key piece of information is the + // type name the data source uses for each logical data type. + // e.g. VARCHAR; Oracle calls it VARCHAR2. + wxDbSqlTypeInfo typeInfVarchar; + wxDbSqlTypeInfo typeInfInteger; + wxDbSqlTypeInfo typeInfFloat; + wxDbSqlTypeInfo typeInfDate; + wxDbSqlTypeInfo typeInfBlob; +#endif + + // Public member functions + wxDb(const HENV &aHenv, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS); + ~wxDb(); + + // Data Source Name, User ID, Password and whether open should fail on data type not supported + bool Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported=true); + ///This version of Open will open the odbc source selection dialog. Cast a wxWindow::GetHandle() to SQLHWND to use. + bool Open(const wxString& inConnectStr, SQLHWND parentWnd, bool failOnDataTypeUnsupported=true); + bool Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported=true); + bool Open(wxDbConnectInf *dbConnectInf, bool failOnDataTypeUnsupported=true); + bool Open(wxDb *copyDb); // pointer to a wxDb whose connection info should be copied rather than re-queried + void Close(void); + bool CommitTrans(void); + bool RollbackTrans(void); + bool DispAllErrors(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT); + bool GetNextError(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT); + void DispNextError(void); + bool CreateView(const wxString &viewName, const wxString &colList, const wxString &pSqlStmt, bool attemptDrop=true); + bool DropView(const wxString &viewName); + bool ExecSql(const wxString &pSqlStmt); + bool ExecSql(const wxString &pSqlStmt, wxDbColInf** columns, short& numcols); + bool GetNext(void); + bool GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SQLLEN FAR *cbReturned); + bool Grant(int privileges, const wxString &tableName, const wxString &userList = wxT("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, UWORD noCols); + + wxDbColInf *GetColumns(wxChar *tableName[], 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;} + const wxString &GetDataSource(void) {return dsn;} + const wxString &GetDatasourceName(void){return dsn;} + const wxString &GetUsername(void) {return uid;} + const wxString &GetPassword(void) {return authStr;} + const wxString &GetConnectionInStr(void) {return inConnectionStr;} + const wxString &GetConnectionOutStr(void) {return outConnectionStr;} + bool IsOpen(void) {return dbIsOpen;} + bool OpenedWithConnectionString(void) {return dbOpenedWithConnectionString;} + 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;} + wxDbSqlTypeInfo GetTypeInfMemo() {return typeInfMemo;} + + // 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 WriteSqlLog(const wxString &logMsg); + + wxDBMS Dbms(void); + bool ModifyColumn(const wxString &tableName, const wxString &columnName, + int dataType, ULONG columnLength=0, + const wxString &optionalParam=wxEmptyString); + + bool FwdOnlyCursors(void) {return fwdOnlyCursors;} + + // These two functions are provided strictly for use by wxDbTable. + // DO NOT USE THESE FUNCTIONS, OR MEMORY LEAKS MAY OCCUR + void incrementTableCount() { nTables++; return; } + void decrementTableCount() { nTables--; return; } + +}; // wxDb - // The following structure contains database information gathered from the - // datasource when the datasource is first opened. - struct - { - char dbmsName[40]; // Name of the dbms product - char dbmsVer[64]; // Version # of the dbms product - char driverName[40]; // Driver name - char odbcVer[60]; // ODBC version of the driver - char drvMgrOdbcVer[60]; // ODBC version of the driver manager - char driverVer[60]; // Driver version - char serverName[80]; // Server Name, typically a connect string - char databaseName[128]; // Database filename - char outerJoins[2]; // Indicates whether the data source supports outer joins - char procedureSupport[2]; // Indicates whether the data source supports stored procedures - UWORD maxConnections; // Maximum # of connections the data source supports - UWORD maxStmts; // Maximum # of HSTMTs per HDBC - UWORD apiConfLvl; // ODBC API conformance level - UWORD cliConfLvl; // Indicates whether the data source is SAG compliant - UWORD sqlConfLvl; // SQL conformance level - UWORD cursorCommitBehavior; // Indicates how cursors are affected by a db commit - UWORD cursorRollbackBehavior; // Indicates how cursors are affected by a db rollback - UWORD supportNotNullClause; // Indicates if data source supports NOT NULL clause - char supportIEF[2]; // Integrity Enhancement Facility (Referential Integrity) - UDWORD txnIsolation; // Default transaction isolation level supported by the driver - UDWORD txnIsolationOptions; // Transaction isolation level options available - UDWORD fetchDirections; // Fetch directions supported - UDWORD lockTypes; // Lock types supported in SQLSetPos - UDWORD posOperations; // Position operations supported in SQLSetPos - UDWORD posStmts; // Position statements supported - UDWORD scrollConcurrency; // Concurrency control options supported for scrollable cursors - UDWORD scrollOptions; // Scroll Options supported for scrollable cursors - UDWORD staticSensitivity; // Indicates if additions, deletions and updates can be detected - UWORD txnCapable; // Indicates if the data source supports transactions - UDWORD loginTimeout; // Number seconds to wait for a login request - } dbInf; - - // ODBC handles - HENV henv; // ODBC Environment handle - HDBC hdbc; // ODBC DB Connection handle - HSTMT hstmt; // ODBC Statement handle - - // ODBC Error Inf. - char sqlState[20]; - SDWORD nativeError; - char errorMsg[SQL_MAX_MESSAGE_LENGTH]; - SWORD cbErrorMsg; - char errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]; - int DB_STATUS; - - //Error reporting mode - bool silent; - - // Number of Ctable objects connected to this db object - unsigned int nTables; - - // Inf. about logical data types VARCHAR, INTEGER, FLOAT and DATE. - // This inf. is obtained from the ODBC driver by use of the - // SQLGetTypeInfo() function. The key piece of inf. is the - // type name the data source uses for each logical data type. - // e.g. VARCHAR; Oracle calls it VARCHAR2. - SqlTypeInfo typeInfVarchar, typeInfInteger, typeInfFloat, typeInfDate; - - // Public member functions - wxDB(HENV &aHenv); - bool Open(char *Dsn, char *Uid, char *AuthStr); // Data Source Name, User ID, Password - void Close(void); - bool CommitTrans(void); - bool RollbackTrans(void); - bool DispAllErrors(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT); - bool GetNextError(HENV aHenv, HDBC aHdbc = SQL_NULL_HDBC, HSTMT aHstmt = SQL_NULL_HSTMT); - void DispNextError(void); - bool CreateView(char *viewName, char *colList, char *pSqlStmt, bool attemptDrop=TRUE); - bool DropView(char *viewName); - bool ExecSql(char *pSqlStmt); - bool GetNext(void); - bool GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned); - bool Grant(int privileges, char *tableName, char *userList = "PUBLIC"); - int TranslateSqlState(char *SQLState); - bool Catalog(char *userID, char *fileName = "Catalog.txt"); - CcolInf *GetColumns(char *tableName[], char *userID=NULL); - char *GetDatabaseName(void) {return dbInf.dbmsName;} - char *GetDataSource(void) {return dsn;} - char *GetUsername(void) {return uid;} - char *GetPassword(void) {return authStr;} - bool IsOpen(void) {return dbIsOpen;} - HENV GetHENV(void) {return henv;} - HDBC GetHDBC(void) {return hdbc;} - HSTMT GetHSTMT(void) {return hstmt;} - bool TableExists(char *tableName, char *userID=NULL, char *path=NULL); // Table name can refer to a table, view, alias or synonym - void LogError(char *errMsg, char *SQLState = 0) {logError(errMsg, SQLState);} - bool SqlLog(enum sqlLog state, char *filename = "sqllog.txt", bool append = FALSE); - bool WriteSqlLog(char *logMsg); - DBMS Dbms(void); - -}; // wxDB // This structure forms a node in a linked list. The linked list of "DbList" objects // keeps track of allocated database connections. This allows the application to // open more than one database connection through ODBC for multiple transaction support // or for multiple database support. - -struct DbList +struct wxDbList { - DbList *PtrPrev; // Pointer to previous item in the list - char Dsn[SQL_MAX_DSN_LENGTH+1]; // Data Source Name - wxDB *PtrDb; // Pointer to the wxDB object - bool Free; // Is item free or in use? - DbList *PtrNext; // Pointer to next item in the list + wxDbList *PtrPrev; // Pointer to previous item in the list + wxString Dsn; // Data Source Name + wxString Uid; // User ID + wxString AuthStr; // Authorization string (password) + wxString ConnectionStr; // Connection string used instead of DSN + wxDb *PtrDb; // Pointer to the wxDb object + bool Free; // Is item free or in use? + wxDbList *PtrNext; // Pointer to next item in the list }; #ifdef __WXDEBUG__ #include "wx/object.h" -class CstructTablesInUse : public wxObject +class wxTablesInUse : public wxObject { - public: - const char *tableName; - ULONG tableID; - class wxDB *pDb; -}; // CstructTablesInUse + public: + const wxChar *tableName; + ULONG tableID; + class wxDb *pDb; +}; // wxTablesInUse #endif + // The following routines allow a user to get new database connections, free them // for other code segments to use, or close all of them when the application has // completed. +wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS); +bool WXDLLIMPEXP_ODBC wxDbFreeConnection(wxDb *pDb); +void WXDLLIMPEXP_ODBC wxDbCloseConnections(void); +int WXDLLIMPEXP_ODBC 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 WXDLLIMPEXP_ODBC * +wxDbLogExtendedErrorMsg(const wxChar *userText, + wxDb *pDb, + const wxChar *ErrFile, + int ErrLine); + -wxDB WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff); -bool WXDLLEXPORT FreeDbConnection(wxDB *pDb); -void WXDLLEXPORT CloseDbConnections(void); -int WXDLLEXPORT NumberDbConnectionsInUse(void); +// This function sets the sql log state for all open wxDb objects +bool WXDLLIMPEXP_ODBC +wxDbSqlLog(wxDbSqlLogState state, const wxString &filename = SQL_LOG_FILENAME); -// This function sets the sql log state for all open wxDB objects -bool SqlLog(enum sqlLog state, char *filename = "sqllog.txt"); + +#if 0 +// MSW/VC6 ONLY!!! Experimental +int WXDLLEXPORT wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const wxString &description=wxEmptyString, + bool sysDSN=false, const wxString &defDir=wxEmptyString, wxWindow *parent=NULL); +#endif // This routine allows you to query a driver manager // for a list of available datasources. Call this routine // the first time using SQL_FETCH_FIRST. Continue to call it // using SQL_FETCH_NEXT until you've exhausted the list. -bool WXDLLEXPORT GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax, - UWORD direction = SQL_FETCH_NEXT); - +bool WXDLLIMPEXP_ODBC +wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMaxLength, wxChar *DsDesc, + SWORD DsDescMaxLength, UWORD direction = SQL_FETCH_NEXT); + + +// Change this to 0 to remove use of all deprecated functions +#if wxODBC_BACKWARD_COMPATABILITY +//################################################################################# +//############### DEPRECATED functions for backward compatibility ################# +//################################################################################# + +// Backward compability structures/classes. This will eventually go away +const int DB_PATH_MAX = wxDB_PATH_MAX; + +typedef wxDb wxDB; +typedef wxDbTableInf wxTableInf; +typedef wxDbColInf wxColInf; +typedef wxDbColInf CcolInf; +typedef wxDbColFor wxColFor; +typedef wxDbSqlTypeInfo SqlTypeInfo; +typedef wxDbSqlTypeInfo wxSqlTypeInfo; +typedef enum wxDbSqlLogState sqlLog; +typedef enum wxDbSqlLogState wxSqlLogState; +typedef enum wxDBMS dbms; +typedef enum wxDBMS DBMS; +typedef wxODBC_ERRORS ODBC_ERRORS; +typedef wxDbConnectInf DbStuff; +typedef wxDbList DbList; +#ifdef __WXDEBUG__ +typedef wxTablesInUse CstructTablesInUse; #endif + +// Deprecated function names that are replaced by the function names listed above +wxDB WXDLLIMPEXP_ODBC +*GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS); +bool WXDLLIMPEXP_ODBC FreeDbConnection(wxDB *pDb); +void WXDLLIMPEXP_ODBC CloseDbConnections(void); +int WXDLLIMPEXP_ODBC NumberDbConnectionsInUse(void); + +bool SqlLog(sqlLog state, const wxChar *filename = SQL_LOG_FILENAME); + +bool WXDLLIMPEXP_ODBC +GetDataSource(HENV henv, char *Dsn, SWORD DsnMaxLength, char *DsDesc, SWORD DsDescMaxLength, + UWORD direction = SQL_FETCH_NEXT); + +#endif // Deprecated structures/classes/functions + +#endif // _WX_DB_H_ +