Uses src/iodbc headers rather than windows headers to hopefully standardize across all platforms, and relieve dependency on <windows.h>
Now allows reading of unknown data table structures to create wxTable instances without knowing the data dictionary ahead of time (see wxColInf() class and use) Ability to determine keys/foreign keys and read in those key definitions (see wxColFor() and wxDB::GetKeyFields() contributed by Mark Johnson) More support for mySQL, now handles columns with "non-standard" types (contributed by Bart Jourquin) SQLUnbind() was being called in some places which release ALL tables bound to the wxDB connection, not just the desired one To fix the SQLUnbind() problem, now temporary datasource connections use GetData() rather than binding columns to variables (see wxDB::Catalog()) wxDB::Catalog() now handles databases that support, and do not support passing a UserID to limit the scope of the catalog wxDB:TableExists() now handles databases that support, and do not support passing a UserID to limit the scope of existence check "const char *" now used in the appropriate places rather than "char *" GetDataSource() was not terminating the returned data source names with a '\0' wxTable::Open() now more gracefully handles tables not existing but trying to be opened with more detailed error messages wxTable::CreateTable() now handles return of SQL_SUCCESS_WITH_INFO as success (needed for some databases) Fixes to accomodate 64bit archtecture handling of some data types (may not be totally ready for 64bit, but closer now). git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5546 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
parent
5d3cc7856f
commit
67e9aaa3c9
File diff suppressed because it is too large
Load Diff
@ -2,6 +2,7 @@
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// Name: dbtable.cpp
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// Purpose: Implementation of the wxTable class.
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// Author: Doug Card
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// Modified by: George Tasker
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// Mods: April 1999
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// -Dynamic cursor support - Only one predefined cursor, as many others as
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// you need may be created on demand
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@ -75,6 +76,7 @@
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#if wxMAJOR_VERSION == 1
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#include "table.h"
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#elif wxMAJOR_VERSION == 2
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@ -105,9 +107,9 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
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const char *qryTblName, bool qryOnly, const char *tblPath)
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{
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pDb = pwxDB; // Pointer to the wxDB object
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henv = 0;
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hdbc = 0;
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hstmt = 0;
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henv = 0;
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hdbc = 0;
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hstmt = 0;
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hstmtDefault = 0; // Initialized below
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hstmtCount = 0; // Initialized first time it is needed
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hstmtInsert = 0;
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@ -117,24 +119,23 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
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colDefs = 0;
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tableID = 0;
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noCols = nCols; // No. of cols in the table
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where = 0; // Where clause
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where = 0; // Where clause
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orderBy = 0; // Order By clause
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from = 0; // From clause
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selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
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from = 0; // From clause
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selectForUpdate = FALSE; // SELECT ... FOR UPDATE; Indicates whether to include the FOR UPDATE phrase
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queryOnly = qryOnly;
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assert (tblName);
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wxStrcpy(tableName, tblName); // Table Name
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if (tblPath)
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wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files
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wxStrcpy(tablePath, tblPath); // Table Path - used for dBase files
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if (qryTblName) // Name of the table/view to query
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wxStrcpy(queryTableName, qryTblName);
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else
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wxStrcpy(queryTableName, tblName);
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// assert(pDb); // Assert is placed after table name is assigned for error reporting reasons
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if (!pDb)
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return;
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@ -161,7 +162,7 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
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// Allocate space for column definitions
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if (noCols)
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colDefs = new CcolDef[noCols]; // Points to the first column defintion
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colDefs = new wxColDef[noCols]; // Points to the first column defintion
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// Allocate statement handles for the table
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if (!queryOnly)
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@ -240,6 +241,7 @@ wxTable::wxTable(wxDB *pwxDB, const char *tblName, const int nCols,
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} // wxTable::wxTable()
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/********** wxTable::~wxTable() **********/
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wxTable::~wxTable()
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{
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@ -309,8 +311,12 @@ wxTable::~wxTable()
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} // wxTable::~wxTable()
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/***************************** PRIVATE FUNCTIONS *****************************/
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/********** wxTable::bindInsertParams() **********/
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bool wxTable::bindInsertParams(void)
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{
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@ -377,6 +383,7 @@ bool wxTable::bindInsertParams(void)
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} // wxTable::bindInsertParams()
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/********** wxTable::bindUpdateParams() **********/
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bool wxTable::bindUpdateParams(void)
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{
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@ -437,6 +444,7 @@ bool wxTable::bindUpdateParams(void)
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} // wxTable::bindUpdateParams()
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/********** wxTable::bindCols() **********/
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bool wxTable::bindCols(HSTMT cursor)
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{
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@ -456,6 +464,7 @@ bool wxTable::bindCols(HSTMT cursor)
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} // wxTable::bindCols()
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/********** wxTable::getRec() **********/
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bool wxTable::getRec(UWORD fetchType)
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{
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@ -492,6 +501,7 @@ bool wxTable::getRec(UWORD fetchType)
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} // wxTable::getRec()
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/********** wxTable::execDelete() **********/
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bool wxTable::execDelete(const char *pSqlStmt)
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{
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@ -504,6 +514,7 @@ bool wxTable::execDelete(const char *pSqlStmt)
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} // wxTable::execDelete()
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/********** wxTable::execUpdate() **********/
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bool wxTable::execUpdate(const char *pSqlStmt)
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{
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@ -516,6 +527,7 @@ bool wxTable::execUpdate(const char *pSqlStmt)
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} // wxTable::execUpdate()
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/********** wxTable::query() **********/
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bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt)
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{
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@ -552,6 +564,8 @@ bool wxTable::query(int queryType, bool forUpdate, bool distinct, char *pSqlStmt
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} // wxTable::query()
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/***************************** PUBLIC FUNCTIONS *****************************/
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/********** wxTable::Open() **********/
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bool wxTable::Open(void)
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@ -563,10 +577,17 @@ bool wxTable::Open(void)
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char sqlStmt[DB_MAX_STATEMENT_LEN];
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// Verify that the table exists in the database
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if (!pDb->TableExists(tableName,NULL,tablePath))
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if (!pDb->TableExists(tableName,pDb->GetUsername(),tablePath))
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{
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char s[128];
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sprintf(s, "Error opening '%s', table/view does not exist in the database.", tableName);
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char s[250];
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if (wxStrcmp(tablePath,""))
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sprintf(s, "Error opening '%s/%s'.\n",tablePath,tableName);
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else
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sprintf(s, "Error opening '%s'.\n", tableName);
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if (!pDb->TableExists(tableName,NULL,tablePath))
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wxStrcat(s,"Table/view does not exist in the database.\n");
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else
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wxStrcat(s,"Current logged in user does not have sufficient privileges to access this table.\n");
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pDb->LogError(s);
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return(FALSE);
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}
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@ -627,6 +648,7 @@ bool wxTable::Open(void)
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} // wxTable::Open()
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/********** wxTable::Query() **********/
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bool wxTable::Query(bool forUpdate, bool distinct)
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{
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@ -635,6 +657,7 @@ bool wxTable::Query(bool forUpdate, bool distinct)
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} // wxTable::Query()
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/********** wxTable::QueryBySqlStmt() **********/
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bool wxTable::QueryBySqlStmt(char *pSqlStmt)
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{
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@ -644,6 +667,7 @@ bool wxTable::QueryBySqlStmt(char *pSqlStmt)
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} // wxTable::QueryBySqlStmt()
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/********** wxTable::QueryMatching() **********/
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bool wxTable::QueryMatching(bool forUpdate, bool distinct)
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{
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@ -652,6 +676,7 @@ bool wxTable::QueryMatching(bool forUpdate, bool distinct)
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} // wxTable::QueryMatching()
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/********** wxTable::QueryOnKeyFields() **********/
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bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
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{
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@ -660,6 +685,7 @@ bool wxTable::QueryOnKeyFields(bool forUpdate, bool distinct)
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} // wxTable::QueryOnKeyFields()
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/********** wxTable::GetPrev() **********/
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bool wxTable::GetPrev(void)
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{
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@ -672,6 +698,7 @@ bool wxTable::GetPrev(void)
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return(getRec(SQL_FETCH_PRIOR));
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} // wxTable::GetPrev()
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/********** wxTable::operator-- **********/
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bool wxTable::operator--(int)
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{
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@ -684,6 +711,7 @@ bool wxTable::operator--(int)
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return(getRec(SQL_FETCH_PRIOR));
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} // wxTable::operator--
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/********** wxTable::GetFirst() **********/
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bool wxTable::GetFirst(void)
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{
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@ -696,6 +724,7 @@ bool wxTable::GetFirst(void)
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return(getRec(SQL_FETCH_FIRST));
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} // wxTable::GetFirst()
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/********** wxTable::GetLast() **********/
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bool wxTable::GetLast(void)
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{
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@ -708,6 +737,7 @@ bool wxTable::GetLast(void)
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return(getRec(SQL_FETCH_LAST));
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} // wxTable::GetLast()
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/********** wxTable::GetSelectStmt() **********/
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void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
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{
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@ -817,6 +847,7 @@ void wxTable::GetSelectStmt(char *pSqlStmt, int typeOfSelect, bool distinct)
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} // wxTable::GetSelectStmt()
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/********** wxTable::GetRowNum() **********/
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UWORD wxTable::GetRowNum(void)
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{
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@ -833,6 +864,7 @@ UWORD wxTable::GetRowNum(void)
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} // wxTable::GetRowNum()
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/********** wxTable::CloseCursor() **********/
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bool wxTable::CloseCursor(HSTMT cursor)
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{
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@ -844,6 +876,7 @@ bool wxTable::CloseCursor(HSTMT cursor)
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} // wxTable::CloseCursor()
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/********** wxTable::CreateTable() **********/
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bool wxTable::CreateTable(bool attemptDrop)
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{
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@ -980,7 +1013,8 @@ bool wxTable::CreateTable(bool attemptDrop)
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#endif
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// Execute the CREATE TABLE statement
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if (SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS) != SQL_SUCCESS)
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RETCODE retcode = SQLExecDirect(hstmt, (UCHAR FAR *) sqlStmt, SQL_NTS);
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if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
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{
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pDb->DispAllErrors(henv, hdbc, hstmt);
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pDb->RollbackTrans();
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@ -999,6 +1033,7 @@ bool wxTable::CreateTable(bool attemptDrop)
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} // wxTable::CreateTable()
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/********** wxTable::DropTable() **********/
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bool wxTable::DropTable()
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{
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@ -1046,6 +1081,7 @@ bool wxTable::DropTable()
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return(TRUE);
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} // wxTable::DropTable()
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/********** wxTable::CreateIndex() **********/
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bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, CidxDef *pIdxDefs, bool attemptDrop)
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{
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@ -1113,6 +1149,7 @@ bool wxTable::CreateIndex(const char * idxName, bool unique, int noIdxCols, Cidx
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} // wxTable::CreateIndex()
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/********** wxTable::DropIndex() **********/
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bool wxTable::DropIndex(const char * idxName)
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{
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@ -1166,6 +1203,7 @@ bool wxTable::DropIndex(const char * idxName)
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return(TRUE);
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} // wxTable::DropIndex()
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/********** wxTable::Insert() **********/
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int wxTable::Insert(void)
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{
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@ -1197,6 +1235,7 @@ int wxTable::Insert(void)
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} // wxTable::Insert()
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/********** wxTable::Update() **********/
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bool wxTable::Update(void)
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{
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@ -1220,6 +1259,7 @@ bool wxTable::Update(void)
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} // wxTable::Update()
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/********** wxTable::Update(pSqlStmt) **********/
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bool wxTable::Update(const char *pSqlStmt)
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{
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@ -1233,6 +1273,7 @@ bool wxTable::Update(const char *pSqlStmt)
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} // wxTable::Update(pSqlStmt)
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/********** wxTable::UpdateWhere() **********/
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bool wxTable::UpdateWhere(const char *pWhereClause)
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{
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@ -1256,6 +1297,7 @@ bool wxTable::UpdateWhere(const char *pWhereClause)
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} // wxTable::UpdateWhere()
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/********** wxTable::Delete() **********/
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bool wxTable::Delete(void)
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{
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@ -1275,6 +1317,7 @@ bool wxTable::Delete(void)
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} // wxTable::Delete()
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/********** wxTable::DeleteWhere() **********/
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bool wxTable::DeleteWhere(const char *pWhereClause)
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{
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@ -1294,6 +1337,7 @@ bool wxTable::DeleteWhere(const char *pWhereClause)
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} // wxTable::DeleteWhere()
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/********** wxTable::DeleteMatching() **********/
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bool wxTable::DeleteMatching(void)
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{
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@ -1313,6 +1357,7 @@ bool wxTable::DeleteMatching(void)
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} // wxTable::DeleteMatching()
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/********** wxTable::GetUpdateStmt() **********/
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void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereClause)
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{
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@ -1377,6 +1422,7 @@ void wxTable::GetUpdateStmt(char *pSqlStmt, int typeOfUpd, const char *pWhereCla
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}
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} // GetUpdateStmt()
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/********** wxTable::GetDeleteStmt() **********/
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void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereClause)
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{
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@ -1437,13 +1483,13 @@ void wxTable::GetDeleteStmt(char *pSqlStmt, int typeOfDel, const char *pWhereCla
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} // GetDeleteStmt()
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/********** wxTable::GetWhereClause() **********/
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void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName)
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/*
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* Note: GetWhereClause() currently ignores timestamp columns.
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* They are not included as part of the where clause.
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*/
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void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qualTableName)
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{
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bool moreThanOneColumn = FALSE;
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char colValue[255];
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@ -1499,9 +1545,9 @@ void wxTable::GetWhereClause(char *pWhereClause, int typeOfWhere, const char *qu
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wxStrcat(pWhereClause, colValue);
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}
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}
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} // wxTable::GetWhereClause()
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/********** wxTable::IsColNull() **********/
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bool wxTable::IsColNull(int colNo)
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{
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@ -1531,9 +1577,9 @@ bool wxTable::IsColNull(int colNo)
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default:
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return(TRUE);
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}
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} // wxTable::IsColNull()
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/********** wxTable::CanSelectForUpdate() **********/
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bool wxTable::CanSelectForUpdate(void)
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{
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@ -1547,12 +1593,14 @@ bool wxTable::CanSelectForUpdate(void)
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} // wxTable::CanSelectForUpdate()
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/********** wxTable::CanUpdByROWID() **********/
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bool wxTable::CanUpdByROWID(void)
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{
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//NOTE: Returning FALSE for now until this can be debugged,
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// as the ROWID is not getting updated correctly
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/*
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* NOTE: Returning FALSE for now until this can be debugged,
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* as the ROWID is not getting updated correctly
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*/
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return FALSE;
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if (pDb->Dbms() == dbmsORACLE)
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@ -1562,6 +1610,7 @@ bool wxTable::CanUpdByROWID(void)
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} // wxTable::CanUpdByROWID()
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/********** wxTable::IsCursorClosedOnCommit() **********/
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bool wxTable::IsCursorClosedOnCommit(void)
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{
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@ -1572,6 +1621,7 @@ bool wxTable::IsCursorClosedOnCommit(void)
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} // wxTable::IsCursorClosedOnCommit()
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/********** wxTable::ClearMemberVars() **********/
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void wxTable::ClearMemberVars(void)
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{
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@ -1618,6 +1668,7 @@ void wxTable::ClearMemberVars(void)
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} // wxTable::ClearMemberVars()
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/********** wxTable::SetQueryTimeout() **********/
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bool wxTable::SetQueryTimeout(UDWORD nSeconds)
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{
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@ -1635,6 +1686,7 @@ bool wxTable::SetQueryTimeout(UDWORD nSeconds)
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} // wxTable::SetQueryTimeout()
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/********** wxTable::SetColDefs() **********/
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void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *pData,
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int cType, int size, bool keyField, bool upd,
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@ -1673,6 +1725,109 @@ void wxTable::SetColDefs (int index, const char *fieldName, int dataType, void *
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||||
} // wxTable::SetColDefs()
|
||||
|
||||
|
||||
/********** wxTable::SetColDef() **********/
|
||||
bool wxTable::SetColDefs(wxColInf *pColInfs, ULONG numCols, wxColDataPtr *pColDataPtrs)
|
||||
{
|
||||
assert(pColInfs);
|
||||
|
||||
if (pColInfs)
|
||||
{
|
||||
ULONG index;
|
||||
|
||||
// BJO 991210: This doesn't seem to work. I solved this
|
||||
// by allocating memory in the tables ctor:
|
||||
//
|
||||
// MyTable::MyTable(wxDB *pDB, char *Name, int NbCols, wxColInf *ColInfo):
|
||||
// wxTable(pDB, Name, NbCols)
|
||||
// {
|
||||
// m_FreeDbConn = !pDB;
|
||||
// m_DataPtrs = new wxColDataPtr[NbCols];
|
||||
// SetColDefs(ColInfo, NbCols, m_DataPtrs);
|
||||
// }
|
||||
pColDataPtrs = new wxColDataPtr[numCols+1];
|
||||
|
||||
for (index = 0; index < numCols; index++)
|
||||
{
|
||||
/*
|
||||
wxString title,msg;
|
||||
title.sprintf("Catalog: %s, Schema: %s, Table name: %s",pColInfs[index].catalog,pColInfs[index].schema,pColInfs[index].tableName);
|
||||
msg.sprintf("Column name: %s\nData type: %04d\nType name: %s\nColumn size: %d\nBuffer len: %d\nDecimals:%d\nRadix: %d\nNullable: %d\nRemarks: %s",
|
||||
pColInfs[index].colName,pColInfs[index].sqlDataType,pColInfs[index].typeName,pColInfs[index].columnSize,pColInfs[index].bufferLength,pColInfs[index].decimalDigits,pColInfs[index].numPrecRadix,pColInfs[index].nullable,pColInfs[index].remarks);
|
||||
msg += " \nDB_DATA_TYPE: ";
|
||||
switch(pColInfs[index].dbDataType)
|
||||
{
|
||||
case DB_DATA_TYPE_VARCHAR:
|
||||
msg += pDb->typeInfVarchar.TypeName; break;
|
||||
case DB_DATA_TYPE_INTEGER:
|
||||
msg += pDb->typeInfInteger.TypeName; break;
|
||||
case DB_DATA_TYPE_FLOAT:
|
||||
msg += pDb->typeInfFloat.TypeName; break;
|
||||
case DB_DATA_TYPE_DATE:
|
||||
msg += pDb->typeInfDate.TypeName; break;
|
||||
}
|
||||
wxMessageBox(msg.GetData(),title.GetData());
|
||||
*/
|
||||
// Process the fields
|
||||
switch (pColInfs[index].dbDataType)
|
||||
{
|
||||
case DB_DATA_TYPE_VARCHAR:
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new char[pColInfs[index].bufferLength+1];
|
||||
pColDataPtrs[index].SzDataObj = pColInfs[index].bufferLength;
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_CHAR;
|
||||
break;
|
||||
}
|
||||
case DB_DATA_TYPE_INTEGER:
|
||||
{
|
||||
// Can be long or short
|
||||
if (pColInfs[index].bufferLength == sizeof(long))
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new long;
|
||||
pColDataPtrs[index].SzDataObj = sizeof(long);
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_SLONG;
|
||||
}
|
||||
else
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new short;
|
||||
pColDataPtrs[index].SzDataObj = sizeof(short);
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_SSHORT;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case DB_DATA_TYPE_FLOAT:
|
||||
{
|
||||
// Can be float or double
|
||||
if (pColInfs[index].bufferLength == sizeof(float))
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new float;
|
||||
pColDataPtrs[index].SzDataObj = sizeof(float);
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_FLOAT;
|
||||
}
|
||||
else
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new double;
|
||||
pColDataPtrs[index].SzDataObj = sizeof(double);
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_DOUBLE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case DB_DATA_TYPE_DATE:
|
||||
{
|
||||
pColDataPtrs[index].PtrDataObj = new TIMESTAMP_STRUCT;
|
||||
pColDataPtrs[index].SzDataObj = sizeof(TIMESTAMP_STRUCT);
|
||||
pColDataPtrs[index].SqlCtype = SQL_C_TIMESTAMP;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
SetColDefs (index,pColInfs[index].colName,pColInfs[index].dbDataType, pColDataPtrs[index].PtrDataObj, pColDataPtrs[index].SqlCtype, pColDataPtrs[index].SzDataObj);
|
||||
}
|
||||
}
|
||||
return (TRUE);
|
||||
} // wxTable::SetColDef()
|
||||
|
||||
|
||||
/********** wxTable::SetCursor() **********/
|
||||
void wxTable::SetCursor(HSTMT *hstmtActivate)
|
||||
{
|
||||
@ -1683,6 +1838,7 @@ void wxTable::SetCursor(HSTMT *hstmtActivate)
|
||||
|
||||
} // wxTable::SetCursor()
|
||||
|
||||
|
||||
/********** wxTable::Count(const char *) **********/
|
||||
ULONG wxTable::Count(const char *args)
|
||||
{
|
||||
@ -1747,6 +1903,7 @@ ULONG wxTable::Count(const char *args)
|
||||
|
||||
} // wxTable::Count()
|
||||
|
||||
|
||||
/********** wxTable::Refresh() **********/
|
||||
bool wxTable::Refresh(void)
|
||||
{
|
||||
@ -1809,7 +1966,8 @@ bool wxTable::Refresh(void)
|
||||
|
||||
} // wxTable::Refresh()
|
||||
|
||||
/********** wxTable::SetNull(UINT colNo) **********/
|
||||
|
||||
/********** wxTable::SetNull(int colNo) **********/
|
||||
bool wxTable::SetNull(int colNo)
|
||||
{
|
||||
if (colNo < noCols)
|
||||
@ -1817,7 +1975,8 @@ bool wxTable::SetNull(int colNo)
|
||||
else
|
||||
return(FALSE);
|
||||
|
||||
} // wxTable::SetNull(UINT colNo)
|
||||
} // wxTable::SetNull(int colNo)
|
||||
|
||||
|
||||
/********** wxTable::SetNull(char *colName) **********/
|
||||
bool wxTable::SetNull(const char *colName)
|
||||
@ -1836,6 +1995,7 @@ bool wxTable::SetNull(const char *colName)
|
||||
|
||||
} // wxTable::SetNull(char *colName)
|
||||
|
||||
|
||||
/********** wxTable::NewCursor() **********/
|
||||
HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns)
|
||||
{
|
||||
@ -1872,7 +2032,8 @@ HSTMT *wxTable::NewCursor(bool setCursor, bool bindColumns)
|
||||
|
||||
return(newHSTMT);
|
||||
|
||||
} // wxTable::NewCursor()
|
||||
} // wxTable::NewCursor()
|
||||
|
||||
|
||||
/********** wxTable::DeleteCursor() **********/
|
||||
bool wxTable::DeleteCursor(HSTMT *hstmtDel)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user