X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/19320af45a30259ffa305af9b80f6ffacc345daf..8b6e6947fc8fb946391740d66b140413eccb6b6c:/docs/latex/wx/db.tex diff --git a/docs/latex/wx/db.tex b/docs/latex/wx/db.tex index a798d8213c..e7afa7968d 100644 --- a/docs/latex/wx/db.tex +++ b/docs/latex/wx/db.tex @@ -6,12 +6,10 @@ database connection allows function to be performed directly on the datasource, as well as allowing access to any tables/views defined in the datasource to which the user has sufficient privileges. - \wxheading{Include files} - \wxheading{Helper classes and data structures} The following classes and structs are defined in db.cpp/.h for use with the wxDb class. @@ -23,13 +21,11 @@ The following classes and structs are defined in db.cpp/.h for use with the wxDb \item \helpref{wxDbInf}{wxdbinf} \end{itemize} - \wxheading{Constants} -NOTE: In a future release, all ODBC class constants will be prefaced with 'wx' +NOTE: In a future release, all ODBC class constants will be prefaced with 'wx'. \begin{verbatim} - wxDB_PATH_MAX Maximum path length allowed to be passed to the ODBC driver to indicate where the data file(s) are located. @@ -57,8 +53,8 @@ NOTE: In a future release, all ODBC class constants will be prefaced with 'wx' data type \end{verbatim} - \subsection{Enumerated types}\label{wxdbenumeratedtypes} + \wxheading{Enumerated types} \docparam{enum {\bf wxDbSqlLogState}}{sqlLogOFF, sqlLogON} @@ -240,9 +236,9 @@ have been added for ease of use.} request \end{verbatim} -\docparam{wxChar {\bf wxDb::errorList}[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN]}{The last n ODBC errors that have occurred on this database connection.} +\docparam{wxChar {\bf wxDb::errorList}[DB\_MAX\_ERROR\_HISTORY][DB\_MAX\_ERROR\_MSG\_LEN]}{The last n ODBC errors that have occurred on this database connection.} -\docparam{wxChar {\bf wxDb::errorMsg}[SQL_MAX_MESSAGE_LENGTH]}{This member variable is populated as a result of calling \helpref{wxDb::GetNextError}{wxdbgetnexterror}. It contains the ODBC error message text.} +\docparam{wxChar {\bf wxDb::errorMsg}[SQL\_MAX\_MESSAGE\_LENGTH]}{This member variable is populated as a result of calling \helpref{wxDb::GetNextError}{wxdbgetnexterror}. It contains the ODBC error message text.} \docparam{SDWORD {\bf wxDb::nativeError}}{Set by wxDb::DispAllErrors, wxDb::GetNextError, and wxDb::DispNextError. It contains the @@ -255,7 +251,7 @@ ODBC errors.} \wxheading{Remarks} -Default cursor scrolling is defined by wxODBC_FWD_ONLY_CURSORS in setup.h +Default cursor scrolling is defined by wxODBC\_FWD\_ONLY\_CURSORS in setup.h when the wxWindows library is built. This behavior can be overridden when an instance of a wxDb is created (see \helpref{wxDb constructor}{wxdbconstr}). Default setting of this value TRUE, as not all databases/drivers support @@ -273,7 +269,7 @@ The following functions are used in conjunction with the wxDb class. \func{wxDb *}{wxDbGetConnection}{\param{wxDbConnectInf *}{pDbConfig}, -\param{bool }{FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS}} +\param{bool }{FwdOnlyCursors=(bool)wxODBC\_FWD\_ONLY\_CURSORS}} \wxheading{Remarks} @@ -355,14 +351,14 @@ being used) that have been cached through use of the \helpref{wxDbGetConnection} function. -\func{bool}{wxDbSqlLog}{\param{wxDbSqlLogState }{state}, \param{const wxString &}{filename = SQL_LOG_FILENAME}} +\func{bool}{wxDbSqlLog}{\param{wxDbSqlLogState }{state}, \param{const wxString &}{filename = SQL\_LOG\_FILENAME}} \wxheading{Remarks} This function sets the sql log state for all open wxDb objects -\func{bool}{wxDbGetDataSource}{\param{HENV }{henv}, \param{wxChar *}{Dsn}, \param{SWORD }{DsnMax}, \param{wxChar *}{DsDesc}, \param{SWORD }{DsDescMax}, \param{UWORD }{direction = SQL_FETCH_NEXT}} +\func{bool}{wxDbGetDataSource}{\param{HENV }{henv}, \param{wxChar *}{Dsn}, \param{SWORD }{DsnMax}, \param{wxChar *}{DsDesc}, \param{SWORD }{DsDescMax}, \param{UWORD }{direction = SQL\_FETCH\_NEXT}} \wxheading{Remarks} @@ -372,7 +368,7 @@ available through the ODBC driver manager on the current workstation. wxStringList strList; - while (wxDbGetDataSource(DbConnectInf.GetHenv(), Dsn, SQL_MAX_DSN_LENGTH+1, DsDesc, 255)) + while (wxDbGetDataSource(DbConnectInf.GetHenv(), Dsn, SQL\_MAX\_DSN\_LENGTH+1, DsDesc, 255)) strList.Add(Dsn); @@ -384,7 +380,7 @@ available through the ODBC driver manager on the current workstation. Default constructor. -\func{}{wxDb}{\param{const HENV &}{aHenv}, \param{bool }{FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS}} +\func{}{wxDb}{\param{const HENV &}{aHenv}, \param{bool }{FwdOnlyCursors=(bool)wxODBC\_FWD\_ONLY\_CURSORS}} Constructor, used to create an ODBC connection to a datasource. @@ -423,7 +419,7 @@ be created and opened before any database activity can occur. \membersection{wxDb::Catalog}\label{wxdbcatalog} \func{bool}{Catalog}{\param{wxChar *}{ userID}, \param{const wxString &}{fileName = -SQL_CATALOG_FILENAME}} +SQL\_CATALOG\_FILENAME}} Allows a data "dictionary" of the datasource to be created, dumping pertinent information about all data tables to which the user specified in userID has @@ -435,7 +431,7 @@ access. tables to which this user has rights will be evaluated in the catalog.} \docparam{fileName}{{\it OPTIONAL}. Name of the text file to create and write -the DB catalog to. Default is SQL_CATALOG_FILENAME.} +the DB catalog to. Default is SQL\_CATALOG\_FILENAME.} \wxheading{Return value} @@ -546,7 +542,7 @@ only Oracle as of November 21 2000). \wxheading{Parameters} -\docparam{viewName}{The name of the view. e.g. PARTS_V} +\docparam{viewName}{The name of the view. e.g. PARTS\_V} \docparam{colList}{{\it OPTIONAL} Pass in a comma delimited list of column names if you wish to explicitly name each column in the result set. If not @@ -608,7 +604,7 @@ datasource is not recognized, a value of 'dbmsUNIDENTIFIED' is returned. \membersection{wxDb::DispAllErrors}\label{wxdbdispallerrors} \func{bool}{DispAllErrors}{\param{HENV}{ aHenv}, {\param}{HDBC} -{ aHdbc = SQL_NULL_HDBC}, {\param}{HSTMT}{ aHstmt = SQL_NULL_HSTMT}} +{ aHdbc = SQL\_NULL\_HDBC}, {\param}{HSTMT}{ aHstmt = SQL\_NULL\_HSTMT}} Used to log all database errors that occurred as a result of an executed database command. This logging is automatic and also includes debug logging @@ -792,14 +788,14 @@ occurs retrieving the number of columns, this function will return a -1. \membersection{wxDb::GetColumns}\label{wxdbgetcolumns} -\func{wxDbColInf *}{GetColumns}{\param{const wxString &}{tableName}, \param{int *}{numCols}, \param{const wxChar *}{userID=NULL}} +\func{wxDbColInf *}{GetColumns}{\param{const wxString &}{tableName}, \param{UWORD *}{numCols}, \param{const wxChar *}{userID=NULL}} \func{wxDbColInf *}{GetColumns}{\param{wxChar *}{tableName[]}, \param{const wxChar *}{userID}} \wxheading{Parameters} \docparam{tableName}{The table name you wish to obtain column information about.} -\docparam{numCols}{Pointer to an integer which will hold a count of the number of columns returned by this function} +\docparam{numCols}{Pointer to a UWORD which will hold a count of the number of columns returned by this function} \docparam{tableName[]}{An array of pointers to table names you wish to obtain column information about. The last element of this array must be a NULL string.} \docparam{userID}{Name of the user that owns the table(s) (also referred to as schema). Required for some datasources for situations where there may be multiple tables with the same name in the datasource, but owned by different users. {\it userID} is evaluated in the following manner:} @@ -864,7 +860,7 @@ NOTE: Not UNICODE safe. If this is a numeric field, a value of 0 may be passed for this parameter, as the API knows the size of the expected return value.} \docparam{cbReturned}{Pointer to the buffer containing the length of the -actual data returned. If this value comes back as SQL_NULL_DATA, then the +actual data returned. If this value comes back as SQL\_NULL\_DATA, then the \helpref{wxDb::GetData}{wxdbgetdata} call has failed.} \wxheading{See also} @@ -945,7 +941,7 @@ Returns the ODBC statement handle associated with this database connection. \membersection{wxDb::GetKeyFields}\label{wxdbgetkeyfields} -\func{int }{GetKeyFields}{\param{const wxString &}{tableName}, \param{wxDbColInf *}{colInf}, \param{int }{nocols}} +\func{int }{GetKeyFields}{\param{const wxString &}{tableName}, \param{wxDbColInf *}{colInf}, \param{UWORD }{nocols}} Used to determine which columns are members of primary or non-primary indexes on the specified table. If a column is a member of a foreign key for some other table, that information is detected also. @@ -979,7 +975,7 @@ in the result set after the current position of the cursor. \membersection{wxDb::GetNextError}\label{wxdbgetnexterror} \func{bool}{GetNextError}{\param{HENV}{ aHenv}, -\param{HDBC}{ aHdbc = SQL_NULL_HDBC}, \param{HSTMT}{ aHstmt = SQL_NULL_HSTMT}} +\param{HDBC}{ aHdbc = SQL\_NULL\_HDBC}, \param{HSTMT}{ aHstmt = SQL\_NULL\_HSTMT}} \wxheading{Parameters} @@ -1040,7 +1036,7 @@ the datasource. \wxheading{Parameters} \docparam{privileges}{Use this argument to select which privileges you want to -grant. Pass DB_GRANT_ALL to grant all privileges. To grant individual +grant. Pass DB\_GRANT\_ALL to grant all privileges. To grant individual privileges pass one or more of the following OR'd together:} \begin{verbatim} @@ -1087,7 +1083,7 @@ to use forward scrolling cursors. The default setting of whether a wxDb connection to a database allows forward-only or also backward scrolling cursors is defined in setup.h by the -value of wxODBC_FWD_ONLY_CURSORS. This default setting can be overridden +value of wxODBC\_FWD\_ONLY\_CURSORS. This default setting can be overridden when the wxDb connection is initially created (see \helpref{wxDb constructor}{wxdbconstr} and \helpref{wxDbGetConnection}{wxdbfunctions}). @@ -1165,16 +1161,16 @@ allows NULLs or not. \docparam{tableName}{Name of the table that the column to be modified is in.} \docparam{columnName}{Name of the column to be modified. NOTE: Name of column cannot be changed with this function.} -\docparam{dataType}{Any one of DB_DATA_TYPE_VARCHAR, DB_DATA_TYPE_INTEGER, -DB_DATA_TYPE_FLOAT, DB_DATA_TYPE_DATE.} -\docparam{columnLength}{New size of the column. Valid only for DB_DATA_TYPE_VARCHAR +\docparam{dataType}{Any one of DB\_DATA\_TYPE\_VARCHAR, DB\_DATA\_TYPE\_INTEGER, +DB\_DATA\_TYPE\_FLOAT, DB\_DATA\_TYPE\_DATE.} +\docparam{columnLength}{New size of the column. Valid only for DB\_DATA\_TYPE\_VARCHAR dataType fields. Default is 0.} \docparam{optionalParam}{Default is "".} \wxheading{Remarks} Cannot be used to modify the precision of a numeric column, therefore 'columnLength' -is ignored unless the dataType is DB_DATA_TYPE_VARCHAR. +is ignored unless the dataType is DB\_DATA\_TYPE\_VARCHAR. Some datasources do not allow certain properties of a column to be changed if any rows currently have data stored in that column. Those datasources that do allow columns @@ -1329,12 +1325,12 @@ When compiled in release mode (FINAL=1), this setting has no affect. \membersection{wxDb::SetSqlLogging}\label{wxdbsetsqllogging} -\func{bool}{SetSqlLogging}{\param{wxDbSqlLogState}{ state}, \param{const wxString &}{filename = SQL_LOG_FILENAME}, \param{bool }{ append = FALSE}} +\func{bool}{SetSqlLogging}{\param{wxDbSqlLogState}{ state}, \param{const wxString &}{filename = SQL\_LOG\_FILENAME}, \param{bool }{ append = FALSE}} \wxheading{Parameters} \docparam{state}{Either sqlLogOFF or sqlLogON (see \helpref{enum wxDbSqlLogState}{wxdbcolfor}). Turns logging of SQL commands sent to the datasource OFF or ON.} -\docparam{filename}{{\it OPTIONAL}. Name of the file to which the log text is to be written. Default is SQL_LOG_FILENAME.} +\docparam{filename}{{\it OPTIONAL}. Name of the file to which the log text is to be written. Default is SQL\_LOG\_FILENAME.} \docparam{append}{{\it OPTIONAL}. Whether the file is appended to or overwritten. Default is FALSE.} \wxheading{Remarks} @@ -1464,7 +1460,7 @@ Converts an ODBC sqlstate to an internal error code. \wxheading{Return value} -Returns the internal class DB_ERR code. See \helpref{wxDb::DB_STATUS}{wxdb} definition. +Returns the internal class DB\_ERR code. See \helpref{wxDb::DB\_STATUS}{wxdb} definition. \membersection{wxDb::WriteSqlLog}\label{wxdbwritesqllog} @@ -1501,7 +1497,7 @@ Currently there are no member functions for this class. \begin{verbatim} void *PtrDataObj; int SzDataObj; - int SqlCtype; + SWORD SqlCtype; \end{verbatim} @@ -1531,7 +1527,7 @@ public. wxChar ColName[DB_MAX_COLUMN_NAME_LEN+1]; // Column Name int DbDataType; - Logical Data Type; e.g. DB_DATA_TYPE_INTEGER - int SqlCtype; - C data type; e.g. SQL_C_LONG + SWORD SqlCtype; - C data type; e.g. SQL_C_LONG void *PtrDataObj; - Address of the data object int SzDataObj; - Size, in bytes, of the data object bool KeyField; - Is column part of the PRIMARY KEY for the @@ -2027,8 +2023,8 @@ with the wxDbTable class. \membersection{wxDbTable::wxDbTable}\label{wxdbtableconstr} \func{}{wxDbTable}{\param{wxDb *}{pwxDb}, \param{const wxString &}{tblName}, - \param{const int }{nCols}, \param{const wxString &}{qryTblName = ""}, - \param{bool }{qryOnly = !wxDB_QUERY_ONLY}, \param{const wxString &}{tblPath = ""}} + \param{const UWORD }{numColumns}, \param{const wxString &}{qryTblName = ""}, + \param{bool }{qryOnly = !wxDB\_QUERY\_ONLY}, \param{const wxString &}{tblPath = ""}} Default constructor. @@ -2037,7 +2033,7 @@ Default constructor. \docparam{pwxDb}{Pointer to the wxDb instance to be used by this wxDbTable instance.} \docparam{tblName}{The name of the table in the RDBMS.} -\docparam{nCols}{The number of columns in the table. (Do NOT include the ROWID +\docparam{numColumns}{The number of columns in the table. (Do NOT include the ROWID column in the count if using Oracle).} \docparam{qryTblName}{{\it OPTIONAL}. The name of the table or view to base your queries on. This argument allows you to specify a table/view other than @@ -2049,7 +2045,7 @@ your queries involve many tables with multiple joins. Default is "".} \docparam{qryOnly}{{\it OPTIONAL}. Indicates whether the table will be accessible for query purposes only, or should the table create the necessary cursors to be able to insert, update, and delete data from the table. -Default is !wxDB_QUERY_ONLY.} +Default is !wxDB\_QUERY\_ONLY.} \docparam{tblPath}{{\it OPTIONAL}. Some datasources (such as dBase) require a path to where the table is stored on the system. Default is "".} @@ -2072,10 +2068,10 @@ the criteria in the pWhereClause. \docparam{pSqlStmt}{Pointer to buffer for the SQL statement retrieved. To be sure you have adequate space allocated for the SQL statement, allocate -DB_MAX_STATEMENT_LEN bytes.} +DB\_MAX\_STATEMENT\_LEN bytes.} \docparam{typeOfDel}{The type of delete statement being performed. Can be one -of three values: DB_DEL_KEYFIELDS, DB_DEL_WHERE or DB_DEL_MATCHING} -\docparam{pWhereClause}{{\it OPTIONAL}. If the typeOfDel is DB_DEL_WHERE, +of three values: DB\_DEL\_KEYFIELDS, DB\_DEL\_WHERE or DB\_DEL\_MATCHING} +\docparam{pWhereClause}{{\it OPTIONAL}. If the typeOfDel is DB\_DEL\_WHERE, then you must also pass in a SQL WHERE clause in this argument. Default is "".} @@ -2107,10 +2103,10 @@ created by a call to this function. \docparam{pSqlStmt}{Pointer to storage for the SQL statement retrieved. To be sure you have adequate space allocated for the SQL statement, allocate -DB_MAX_STATEMENT_LEN bytes.} +DB\_MAX\_STATEMENT\_LEN bytes.} \docparam{typeOfSelect}{The type of select statement being performed. Can be -one of four values: DB_SELECT_KEYFIELDS, DB_SELECT_WHERE, DB_SELECT_MATCHING -or DB_SELECT_STATEMENT.} +one of four values: DB\_SELECT\_KEYFIELDS, DB\_SELECT\_WHERE, DB\_SELECT\_MATCHING +or DB\_SELECT\_STATEMENT.} \docparam{distinct}{Whether to select distinct records only.} \wxheading{Remarks} @@ -2132,7 +2128,7 @@ this function. Constructs the full SQL statement that can be used to update all rows matching the criteria in the pWhereClause. -If typeOfUpd is DB_UPD_KEYFIELDS, then the current values in the bound columns +If typeOfUpd is DB\_UPD\_KEYFIELDS, then the current values in the bound columns are used to determine which row(s) in the table are to be updated. The exception to this is when a datasource supports ROW IDs (Oracle). The ROW ID column is used for efficiency purposes when available. @@ -2147,10 +2143,10 @@ by this function. \docparam{pSqlStmt}{Pointer to storage for the SQL statement retrieved. To be sure you have adequate space allocated for the SQL statement, allocate -DB_MAX_STATEMENT_LEN bytes.} +DB\_MAX\_STATEMENT\_LEN bytes.} \docparam{typeOfUpd}{The type of update statement being performed. Can be one -of two values: DB_UPD_KEYFIELDS or DB_UPD_WHERE.} -\docparam{pWhereClause}{{\it OPTIONAL}. If the typeOfUpd is DB_UPD_WHERE, +of two values: DB\_UPD\_KEYFIELDS or DB\_UPD\_WHERE.} +\docparam{pWhereClause}{{\it OPTIONAL}. If the typeOfUpd is DB\_UPD\_WHERE, then you must also pass in a SQL WHERE clause in this argument. Default is "".} \wxheading{Remarks} @@ -2178,9 +2174,9 @@ does NOT include the word 'WHERE'. \docparam{pWhereClause}{Pointer to storage for the SQL statement retrieved. To be sure you have adequate space allocated for the SQL statement, allocate -DB_MAX_STATEMENT_LEN bytes.} +DB\_MAX\_STATEMENT\_LEN bytes.} \docparam{typeOfWhere}{The type of where clause to generate. Can be one of -two values: DB_WHERE_KEYFIELDS or DB_WHERE_MATCHING.} +two values: DB\_WHERE\_KEYFIELDS or DB\_WHERE\_MATCHING.} \docparam{qualTableName}{{\it OPTIONAL}. Prepended to all base table column names. For use when a FROM clause has been specified with the \helpref{wxDbTable::SetFromClause}{wxdbtablesetfromclause}, @@ -2195,7 +2191,7 @@ This member function allows you to see what the SQL WHERE clause looks like that the ODBC class library builds. This can be used for debugging purposes if you are having problems executing your own SQL statements. -If using 'typeOfWhere' set to DB_WHERE_MATCHING, any bound columns currently +If using 'typeOfWhere' set to DB\_WHERE\_MATCHING, any bound columns currently containing a NULL value are not included in the WHERE clause's list of columns to use in the comparison. @@ -2216,7 +2212,7 @@ Not all datasources support the "FOR UPDATE" clause, so you must use this member function to determine if the datasource currently connected to supports this behavior or not before trying to select using "FOR UPDATE". -If the wxDbTable instance was created with the parameter wxDB_QUERY_ONLY, then +If the wxDbTable instance was created with the parameter wxDB\_QUERY\_ONLY, then this function will return FALSE. For all known databases which do not support the FOR UPDATE clause, this function will return FALSE also. @@ -2267,7 +2263,7 @@ to an Oracle datasource or not. \membersection{wxDbTable::ClearMemberVar}\label{wxdbtableclearmembervar} -\func{void}{ClearMemberVar}{\param{int }{colNo}, \param{bool }{setToNull=FALSE}} +\func{void}{ClearMemberVar}{\param{UWORD }{colNo}, \param{bool }{setToNull=FALSE}} Same as \helpref{wxDbTable::ClearMemberVars}{wxdbtableclearmembervars} except that this function clears only the specified column of its values, and @@ -2326,7 +2322,7 @@ Typically handled internally by the ODBC class library, but may be used by the programmer if desired. -\normalbox{DO NOT CLOSE THE wxDB_DEFAULT_CURSOR!} +\normalbox{DO NOT CLOSE THE wxDB\_DEFAULT\_CURSOR!} \membersection{wxDbTable::Count}\label{wxdbtablecount} @@ -2387,7 +2383,7 @@ this function. \membersection{wxDbTable::CreateIndex}\label{wxdbtablecreateindex} \func{bool}{CreateIndex}{\param{const wxString &}{idxName}, \param{bool }{unique}, -\param{int }{noIdxCols}, \param{wxDbIdxDef *}{pIdxDefs}, +\param{UWORD }{noIdxCols}, \param{wxDbIdxDef *}{pIdxDefs}, \param{bool }{attemptDrop=TRUE}} This member function allows you to create secondary (non primary) indexes on @@ -2416,7 +2412,7 @@ name provided before trying to create the index name. Default is TRUE.} The first parameter, index name, must be unique and should be given a meaningful name. Common practice is to include the table name as a prefix in the index name (e.g. For table PARTS, you might want to call your index -PARTS_IDX1). This will allow you to easily view all +PARTS\_IDX1). This will allow you to easily view all of the indexes defined for a given table grouped together alphabetically. The second parameter indicates if the index is unique or not. Uniqueness @@ -2502,11 +2498,11 @@ It is not necessary to call \helpref{wxDb::CommitTrans}{wxdbcommittrans} after executing this function. -\membersection{wxDbTable::DB_STATUS}\label{wxdbtabledbstatus} +\membersection{wxDbTable::DB\_STATUS}\label{wxdbtabledbstatus} -\func{bool}{DB_STATUS}{\void} +\func{bool}{DB\_STATUS}{\void} -Accessor function that returns the wxDb private member variable DB_STATUS for +Accessor function that returns the wxDb private member variable DB\_STATUS for the database connection used by this instance of wxDbTable. @@ -2559,7 +2555,7 @@ NOTE: If the cursor could not be deleted for some reason, an error is logged indicating the reason. Even if the cursor could not be deleted, the HSTMT that is passed in is deleted, and the pointer is set to NULL. -\normalbox{DO NOT DELETE THE wxDB_DEFAULT_CURSOR!} +\normalbox{DO NOT DELETE THE wxDB\_DEFAULT\_CURSOR!} \membersection{wxDbTable::DeleteMatching}\label{wxdbtabledeletematching} @@ -2897,7 +2893,7 @@ This function works with both forward and backward scrolling cursors. \membersection{wxDbTable::GetNumberOfColumns}\label{wxdbtablegetnumberofcolumns} -\func{int }{GetNumberOfColumns}{} +\func{UWORD }{GetNumberOfColumns}{} Accessor function that returns the number of columns that are statically bound for access by the wxDbTable instance. @@ -3061,7 +3057,7 @@ this function to commit or rollback the insertion. \membersection{wxDbTable::IsColNull}\label{wxdbtableiscolnull} -\func{bool }{IsColNull}{\param{int }{colNo}} +\func{bool }{IsColNull}{\param{UWORD }{colNo}} const Used primarily in the ODBC class library to determine if a column value is set to "NULL". Works for all data types supported by the ODBC class library. @@ -3110,11 +3106,11 @@ wxDbTable instance that would modify (insert/delete/update) the table's data. \membersection{wxDbTable::Open}\label{wxdbtableopen} -\func{bool }{Open}{\param{bool }{checkPrivileges=FALSE}} +\func{bool }{Open}{\param{bool }{checkPrivileges=FALSE}, \param{bool }{checkTableExists=TRUE}} Every wxDbTable instance must be opened before it can be used. This function checks for the existence of the requested table, binds columns, creates required -cursors, (insert/select and update if connection is not wxDB_QUERY_ONLY) and +cursors, (insert/select and update if connection is not wxDB\_QUERY\_ONLY) and constructs the insert statement that is to be used for inserting data as a new row in the datasource. @@ -3124,14 +3120,17 @@ row in the datasource. whether the current connected user has at least SELECT privileges to access the table to which they are trying to open. Default is FALSE.} +\docparam{checkTableExists}{Indicates whether the Open() function should check +whether the table exists in the database or not before opening it. Default is TRUE.} + \wxheading{Remarks} If the function returns a FALSE value due to the table not existing, a log entry is recorded for the datasource connection indicating the problem that was detected when checking for table existence. Note that it is usually best for the calling routine to check for the existence of the table and for -sufficent user privileges to access the table in the mode (wxDB_QUERY_ONLY or -!wxDB_QUERY_ONLY) before trying to open the table for the best possible +sufficent user privileges to access the table in the mode (wxDB\_QUERY\_ONLY or +!wxDB\_QUERY\_ONLY) before trying to open the table for the best possible explanation as to why a table cannot be opened. Checking the user's privileges on a table can be quite time consuming during @@ -3169,7 +3168,7 @@ used as a synonym for alphabetized/numeric sorting sequence that the result set is to be returned in. If a FROM clause has also been specified, each column name specified in the ORDER BY clause should be prefaced with the table name to which the column -belongs using DOT notation (TABLE_NAME.COLUMN_NAME).} +belongs using DOT notation (TABLE\_NAME.COLUMN\_NAME).} \wxheading{Return value} @@ -3208,7 +3207,7 @@ wxDbTable members: "where", "orderBy", and "from". Use records to be retrieved (e.g. All users with a first name of "JOHN"). Use \helpref{wxDbTable::SetOrderByClause}{wxdbtablesetorderbyclause} to change the sequence in which records are returned in the result set from -the datasource (e.g. Ordered by LAST_NAME). Use +the datasource (e.g. Ordered by LAST\_NAME). Use \helpref{wxDbTable::SetFromClause}{wxdbtablesetfromclause} to allow outer joining of the base table (the one being associated with this instance of wxDbTable) with other tables which share a related field. @@ -3306,7 +3305,7 @@ The requirements of the SELECT statement are the following: float for column 3 (e.g. PRICE * 1.10 to increase the price by 10%). - 3. The ROWID can be included in your SELECT statement as the {\bf last} + 3. The ROWID can be included in your SELECT statement as the {\bf last} column selected, if the datasource supports it. Use wxDbTable::CanUpdByROWID() to determine if the ROWID can be selected from the datasource. If it can, much better @@ -3379,9 +3378,9 @@ either \helpref{wxDbTable::GetFirst}{wxdbtablegetfirst} or QueryMatching allows querying of records from the table associated with the wxDbTable object by matching "columns" to values. -For example: To query the datasource for the row with a PART_NUMBER column +For example: To query the datasource for the row with a PART\_NUMBER column value of "32", clear all column variables of the wxDbTable object, set the -PartNumber variable that is bound to the PART_NUMBER column in the wxDbTable +PartNumber variable that is bound to the PART\_NUMBER column in the wxDbTable object to "32", and then call wxDbTable::QueryMatching(). \wxheading{Parameters} @@ -3511,12 +3510,12 @@ table's columns are refreshed to reflect the current data in the database. \membersection{wxDbTable::SetColDefs}\label{wxdbtablesetcoldefs} -\func{void}{SetColDefs}{\param{int }{index}, \param{const wxString &}{fieldName}, -\param{int }{dataType}, \param{void *}{pData}, \param{int }{cType}, +\func{void}{SetColDefs}{\param{UWORD }{index}, \param{const wxString &}{fieldName}, +\param{int }{dataType}, \param{void *}{pData}, \param{SWORD }{cType}, \param{int }{size}, \param{bool }{keyField = FALSE}, \param{bool }{upd = TRUE}, \param{bool }{insAllow = TRUE}, \param{bool }{derivedCol = FALSE}} -\func{wxDbColDataPtr *}{SetColDefs}{\param{wxDbColInf *}{colInfs}, \param{ULONG }{numCols}} +\func{wxDbColDataPtr *}{SetColDefs}{\param{wxDbColInf *}{colInfs}, \param{UWORD }{numCols}} \wxheading{Parameters} @@ -3608,14 +3607,14 @@ were to be copied over to another datasource or table. \membersection{wxDbTable::SetCursor}\label{wxdbtablesetcursor} -\func{bool}{SetCursor}{\param{HSTMT *}{hstmtActivate = (void **) wxDB_DEFAULT_CURSOR}} +\func{bool}{SetCursor}{\param{HSTMT *}{hstmtActivate = (void **) wxDB\_DEFAULT\_CURSOR}} \wxheading{Parameters} \docparam{hstmtActivate}{{\it OPTIONAL}. Pointer to the cursor that is to become the current cursor. Passing no cursor handle will reset the cursor back to the wxDbTable's default (original) cursor that was created when the -wxDbTable instance was first created. Default is wxDB_DEFAULT_CURSOR.} +wxDbTable instance was first created. Default is wxDB\_DEFAULT\_CURSOR.} \wxheading{Remarks} @@ -3688,7 +3687,7 @@ the datasource knows on which column values the tables should be joined on. \membersection{wxDbTable::SetColNull}\label{wxdbtablesetcolnull} -\func{bool}{SetColNull}{\param{int }{colNo}, \param{bool }{set=TRUE}} +\func{bool}{SetColNull}{\param{UWORD }{colNo}, \param{bool }{set=TRUE}} \func{bool}{SetColNull}{\param{const wxString &}{colName}, \param{bool }{set=TRUE}} @@ -3733,7 +3732,7 @@ A synonym to this function is one form of the function \helpref{wxDbTable::Order alphabetized sorting sequence that the result set is to be returned in. If a FROM clause has also been specified, each column name specified in the ORDER BY clause should be prefaced with the table name to which the column -belongs using DOT notation (TABLE_NAME.COLUMN_NAME).} +belongs using DOT notation (TABLE\_NAME.COLUMN\_NAME).} \wxheading{Remarks} @@ -3790,7 +3789,7 @@ A synonym to this function is one form of the function \helpref{wxDbTable::Where that is legal in standard where clauses. If a FROM clause has also been specified, each column name specified in the ORDER BY clause should be prefaced with the table name to which the column belongs using DOT notation -(TABLE_NAME.COLUMN_NAME).} +(TABLE\_NAME.COLUMN\_NAME).} \wxheading{Remarks} @@ -3967,8 +3966,8 @@ structure. Eventually, accessor functions will be added for this class - \membersection{wxDbTableInf::Initialize}\label{wxdbtableinfinitialize} Simply initializes all member variables to a cleared state. Called by the constructor automatically. +