// source such as opening and closing the data source.
// Author: Doug Card
// Modified by: George Tasker
+// Bart Jourquin
+// Mark Johnson, wxWindows@mj10777.de
// Mods: Dec, 1998:
// -Added support for SQL statement logging and database cataloging
// Mods: April, 1999
#if wxMAJOR_VERSION == 2
#ifdef __GNUG__
- #pragma implementation "db.h"
+ #pragma implementation "db.h"
#endif
#endif
wxDbSqlLogState SQLLOGstate = sqlLogOFF;
//char SQLLOGfn[wxDB_PATH_MAX+1] = SQL_LOG_FILENAME;
-wxChar *SQLLOGfn = (wxChar*) SQL_LOG_FILENAME;
+//wxChar *SQLLOGfn = (wxChar*) SQL_LOG_FILENAME;
+static wxString SQLLOGfn = SQL_LOG_FILENAME;
// The wxDb::errorList is copied to this variable when the wxDb object
// is closed. This way, the error list is still available after the
// 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
-// this variable.
+// this variable. NOTE: This occurs during a CLOSE, not a FREEing of the
+// connection
char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+// This type defines the return row-struct form
+// SQLTablePrivileges, and is used by wxDB::TablePrivileges.
+typedef struct
+{
+ char tableQual[129];
+ char tableOwner[129];
+ char tableName[129];
+ char grantor[129];
+ char grantee[129];
+ char privilege[129];
+ char grantable[4];
+} wxDbTablePrivilegeInfo;
+#endif
+
/********** wxDbColFor Constructor **********/
wxDbColFor::wxDbColFor()
{
- i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US
- s_Field = "";
+ s_Field = "";
int i;
for (i=0;i<7;i++)
{
s_Format[i] = "";
- s_Menge[i] = "";
- i_Menge[i] = 0;
+ s_Amount[i] = "";
+ i_Amount[i] = 0;
}
- Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work
+ i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US
+ i_dbDataType = 0;
+ i_sqlDataType = 0;
+ Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work
} // wxDbColFor::wxDbColFor()
} // wxDbColFor::~wxDbColFor()
+/********** wxDbColInf Con / Destructor **********/
+wxDbColInf::wxDbColInf()
+{
+ catalog[0] = 0;
+ schema[0] = 0;
+ tableName[0] = 0;
+ colName[0] = 0;
+ sqlDataType = 0;
+ typeName[0] = 0;
+ columnSize = 0;
+ bufferLength = 0;
+ decimalDigits = 0;
+ numPrecRadix = 0;
+ nullable = 0;
+ remarks[0] = 0;
+ dbDataType = 0;
+ PkCol = 0;
+ PkTableName[0] = 0;
+ FkCol = 0;
+ FkTableName[0] = 0;
+ pColFor = NULL;
+} // wxDbColInf::wxDbColFor()
+
+
+wxDbColInf::~wxDbColInf()
+{
+ if (pColFor)
+ delete pColFor;
+ pColFor = NULL;
+} // wxDbColInf::~wxDbColInf()
+
+
+/********** wxDbTableInf Constructor ********/
+wxDbTableInf::wxDbTableInf()
+{
+ tableName[0] = 0;
+ tableType[0] = 0;
+ tableRemarks[0] = 0;
+ numCols = 0;
+ pColInf = NULL;
+} // wxDbTableInf::wxDbTableFor()
+
+
+/********** wxDbTableInf Constructor ********/
+wxDbTableInf::~wxDbTableInf()
+{
+ if (pColInf)
+ delete [] pColInf;
+ pColInf = NULL;
+} // wxDbTableInf::~wxDbTableInf()
+
+
+/********** wxDbInf Constructor *************/
+wxDbInf::wxDbInf()
+{
+ catalog[0] = 0;
+ schema[0] = 0;
+ numTables = 0;
+ pTableInf = NULL;
+} // wxDbInf::wxDbFor()
+
+
+/********** wxDbInf Destructor *************/
+wxDbInf::~wxDbInf()
+{
+ if (pTableInf)
+ delete [] pTableInf;
+ pTableInf = NULL;
+} // wxDbInf::~wxDbInf()
+
+
+/*************************************************/
+
+
int wxDbColFor::Format(int Nation,int dbDataType,SWORD sqlDataType,short columnSize,short decimalDigits)
{
// ----------------------------------------------------------------------------------------
- // -- 19991224 : mj10777@gmx.net : Create
+ // -- 19991224 : mj10777 : Create
// There is still a lot of work to do here, but it is a start
// It handles all the basic data-types that I have run into up to now
- // The main work will have be with Dates and float Formatting (US 1,000.00 ; EU 1.000,00)
- // There are wxWindow plans for locale support and the new wxDateTime.
- // - if they define some constants (wxEUROPEAN) that can be gloably used,
+ // The main work will have be with Dates and float Formatting
+ // (US 1,000.00 ; EU 1.000,00)
+ // There are wxWindow plans for locale support and the new wxDateTime. If
+ // they define some constants (wxEUROPEAN) that can be gloably used,
// they should be used here.
// ----------------------------------------------------------------------------------------
- // There should also be a Function to scan in a string to fill the variable
+ // There should also be a function to scan in a string to fill the variable
// ----------------------------------------------------------------------------------------
wxString Temp0;
- i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
+ i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
i_dbDataType = dbDataType;
i_sqlDataType = sqlDataType;
- s_Field.Printf(wxT("%s%d"),s_Menge[1].c_str(),i_Menge[1]); // OK for VARCHAR, INTEGER and FLOAT
- if (i_dbDataType == 0) // Filter unsupported dbDataTypes
+ s_Field.Printf(wxT("%s%d"),s_Amount[1].c_str(),i_Amount[1]); // OK for VARCHAR, INTEGER and FLOAT
+ if (i_dbDataType == 0) // Filter unsupported dbDataTypes
{
if ((i_sqlDataType == SQL_VARCHAR) || (i_sqlDataType == SQL_LONGVARCHAR))
i_dbDataType = DB_DATA_TYPE_VARCHAR;
switch(i_dbDataType) // -A-> Still a lot of proper formatting to do
{
case DB_DATA_TYPE_VARCHAR:
- s_Field = "%s"; //
+ s_Field = "%s";
break;
case DB_DATA_TYPE_INTEGER:
- s_Field = "%d"; //
+ s_Field = "%d";
break;
case DB_DATA_TYPE_FLOAT:
if (decimalDigits == 0)
decimalDigits = 2;
Temp0 = "%";
Temp0.Printf(wxT("%s%d.%d"),Temp0.c_str(),columnSize,decimalDigits);
- s_Field.Printf(wxT("%sf"),Temp0.c_str()); //
+ s_Field.Printf(wxT("%sf"),Temp0.c_str());
break;
case DB_DATA_TYPE_DATE:
if (i_Nation == 0) // timestamp YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE)
}
break;
default:
- s_Field.Printf(wxT("-E-> unknown Format(%d)-sql(%d)"),dbDataType,sqlDataType); //
+ s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"),dbDataType,sqlDataType); //
break;
};
return TRUE;
// SQL_INTEGER type name = 'LONG', Precision = 10
// VARCHAR = Variable length character string
- if (! getDataTypeInfo(SQL_VARCHAR, typeInfVarchar))
- if (! getDataTypeInfo(SQL_CHAR, typeInfVarchar))
+ if (!getDataTypeInfo(SQL_VARCHAR, typeInfVarchar))
+ if (!getDataTypeInfo(SQL_CHAR, typeInfVarchar))
return(FALSE);
else
typeInfVarchar.FsqlType = SQL_CHAR;
typeInfVarchar.FsqlType = SQL_VARCHAR;
// Float
- if (! getDataTypeInfo(SQL_DOUBLE, typeInfFloat))
+ if (!getDataTypeInfo(SQL_DOUBLE,typeInfFloat))
- if (! getDataTypeInfo(SQL_REAL, typeInfFloat))
- if (! getDataTypeInfo(SQL_FLOAT, typeInfFloat))
- if (! getDataTypeInfo(SQL_DECIMAL, typeInfFloat))
- if (! getDataTypeInfo(SQL_NUMERIC, typeInfFloat))
+ if (!getDataTypeInfo(SQL_REAL,typeInfFloat))
+ if (!getDataTypeInfo(SQL_FLOAT,typeInfFloat))
+ if (!getDataTypeInfo(SQL_DECIMAL,typeInfFloat))
+ if (!getDataTypeInfo(SQL_NUMERIC,typeInfFloat))
return(FALSE);
else
typeInfFloat.FsqlType = SQL_NUMERIC;
// Integer
- if (! getDataTypeInfo(SQL_INTEGER, typeInfInteger))
- // If SQL_INTEGER is not supported, use the floating point
- // data type to store integers as well as floats
- if (! getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
+ if (!getDataTypeInfo(SQL_INTEGER, typeInfInteger))
+ {
+ // If SQL_INTEGER is not supported, use the floating point
+ // data type to store integers as well as floats
+ if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
return(FALSE);
else
typeInfInteger.FsqlType = typeInfFloat.FsqlType;
+ }
else
typeInfInteger.FsqlType = SQL_INTEGER;
// Date/Time
if (Dbms() != dbmsDBASE)
- {
- if (! getDataTypeInfo(SQL_TIMESTAMP, typeInfDate))
+ {
+ if (! getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
return(FALSE);
else
typeInfDate.FsqlType = SQL_TIMESTAMP;
}
else
{
- if (! getDataTypeInfo(SQL_DATE, typeInfDate))
+ if (!getDataTypeInfo(SQL_DATE,typeInfDate))
return(FALSE);
else
typeInfDate.FsqlType = SQL_DATE;
if (SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
-
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+ if (SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, 2, &cb) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc));
+#endif
if (SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
cout << "SQL Conf. Level: ";
switch(dbInf.sqlConfLvl)
{
- case SQL_OSC_MINIMUM: cout << "Minimum Grammer"; break;
- case SQL_OSC_CORE: cout << "Core Grammer"; break;
- case SQL_OSC_EXTENDED: cout << "Extended Grammer"; break;
+ case SQL_OSC_MINIMUM: cout << "Minimum Grammar"; break;
+ case SQL_OSC_CORE: cout << "Core Grammar"; break;
+ case SQL_OSC_EXTENDED: cout << "Extended Grammar"; break;
}
cout << endl;
cout << "Max. Connections: " << dbInf.maxConnections << endl;
cout << "Outer Joins: " << dbInf.outerJoins << endl;
cout << "Support for Procedures: " << dbInf.procedureSupport << endl;
-
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+ cout << "All tables accessible : " << dbInf.accessibleTables << endl;
+#endif
cout << "Cursor COMMIT Behavior: ";
switch(dbInf.cursorCommitBehavior)
{
return(DispAllErrors(henv, hdbc, hstmt));
// Fetch the record
if ((retcode = SQLFetch(hstmt)) != SQL_SUCCESS)
- {
+ {
#ifdef DBDEBUG_CONSOLE
- if (retcode == SQL_NO_DATA_FOUND)
- cout << "SQL_NO_DATA_FOUND fetching inf. about data type." << endl;
+ if (retcode == SQL_NO_DATA_FOUND)
+ cout << "SQL_NO_DATA_FOUND fetching inf. about data type." << endl;
#endif
- DispAllErrors(henv, hdbc, hstmt);
- SQLFreeStmt(hstmt, SQL_CLOSE);
- return(FALSE);
- }
+ DispAllErrors(henv, hdbc, hstmt);
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(FALSE);
+ }
// Obtain columns from the record
if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
#if OLD_GETCOLUMNS
// BJO 991209
if (Dbms() == dbmsMY_SQL)
- {
+ {
if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint unsigned")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint unsigned");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "integer")) wxStrcpy(structSQLTypeInfo.TypeName, "int");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "integer unsigned")) wxStrcpy(structSQLTypeInfo.TypeName, "int unsigned");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "varchar")) wxStrcpy(structSQLTypeInfo.TypeName, "char");
- }
+ }
// BJO 20000427 : OpenLink driver
if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) ||
- !wxStrncmp(dbInf.driverName, "OLOD", 4))
- if (!wxStrcmp(structSQLTypeInfo.TypeName, "double precision")) wxStrcpy(structSQLTypeInfo.TypeName, "real");
+ !wxStrncmp(dbInf.driverName, "OLOD", 4))
+ {
+ if (!wxStrcmp(structSQLTypeInfo.TypeName, "double precision"))
+ wxStrcpy(structSQLTypeInfo.TypeName, "real");
+ }
#endif
if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS)
/********** wxDb::DispNextError() **********/
void wxDb::DispNextError(void)
{
-// char odbcErrMsg[DB_MAX_ERROR_MSG_LEN];
wxString odbcErrMsg;
odbcErrMsg.sprintf("SQL State = %s\nNative Error Code = %li\nError Message = %s\n", sqlState, nativeError, errorMsg);
wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE"));
#endif // __WXDEBUG__
-
} // wxDb::DispNextError()
/********** wxDb::Grant() **********/
bool wxDb::Grant(int privileges, const char *tableName, const char *userList)
{
-// char sqlStmt[DB_MAX_STATEMENT_LEN];
wxString sqlStmt;
// Build the grant statement
/********** wxDb::CreateView() **********/
bool wxDb::CreateView(const char *viewName, const char *colList, const char *pSqlStmt, bool attemptDrop)
{
-// char sqlStmt[DB_MAX_STATEMENT_LEN];
wxString sqlStmt;
// Drop the view first
wxString Temp0;
/*
* ---------------------------------------------------------------------
- * -- 19991224 : mj10777@gmx.net : Create ------
+ * -- 19991224 : mj10777 : Create ------
* -- : Three things are done and stored here : ------
* -- : 1) which Column(s) is/are Primary Key(s) ------
* -- : 2) which tables use this Key as a Foreign Key ------
for (i=0;i<noCols;i++) // Find the Column name
if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column
colInf[i].PkCol = iKeySeq; // Which Primary Key is this (first, second usw.) ?
- } // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- } // while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ } // if
+ } // while
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
/*---------------------------------------------------------------------*/
GetData( 7, SQL_C_CHAR, szFkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 8, SQL_C_CHAR, szFkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
Temp0.Printf(wxT("%s[%s] "),Temp0.c_str(),szFkTable); // [ ] in case there is a blank in the Table name
- } // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- } // while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ } // if
+ } // while
Temp0.Trim(); // Get rid of any unneeded blanks
if (Temp0 != wxT(""))
{
- for (i=0;i<noCols;i++) // Find the Column name
- if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column, store the Information
- wxStrcpy(colInf[i].PkTableName,Temp0.c_str()); // Name of the Tables where this Primary Key is used as a Foreign Key
- } // if (Temp0 != "")
+ for (i=0;i<noCols;i++)
+ { // Find the Column name
+ if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column, store the Information
+ wxStrcpy(colInf[i].PkTableName,Temp0.c_str()); // Name of the Tables where this Primary Key is used as a Foreign Key
+ }
+ } // if
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
/*---------------------------------------------------------------------*/
if (!wxStrcmp(colInf[i].colName,szFkCol)) // We have found the (Foreign Key) Column
{
colInf[i].FkCol = iKeySeq; // Which Foreign Key is this (first, second usw.) ?
- wxStrcpy(colInf[i].FkTableName,szPkTable); // Name of the Table where this Foriegn is the Primary Key
- } // if (!wxStrcmp(colInf[i].colName,szFkCol))
- } // for (i=0;i<noCols;i++)
- } // if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- } // while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
+ wxStrcpy(colInf[i].FkTableName,szPkTable); // Name of the Table where this Foriegn is the Primary Key
+ } // if
+ } // for
+ } // if
+ } // while
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
- /*---------------------------------------------------------------------*/
return TRUE;
+
} // wxDb::GetKeyFields()
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
-
+
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].FkTableName[0] = 0; // Foreign key table name
- // BJO 20000428 : Virtuoso returns type names with upper cases!
- if (Dbms() == dbmsVIRTUOSO)
- {
- wxString s = colInf[colNo].typeName;
- s = s.MakeLower();
- wxStrcmp(colInf[colNo].typeName, s.c_str());
- }
-
- // Determine the wxDb data type that is used to represent the native data type of this data source
- colInf[colNo].dbDataType = 0;
- if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
- {
- if (colInf[colNo].columnSize < 1)
- {
- // IODBC does not return a correct columnSize, so we set
- // columnSize = bufferLength if no column size was returned
- colInf[colNo].columnSize = colInf[colNo].bufferLength;
- }
- colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
- }
- else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
- colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
- else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
- colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
- else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
- colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
-
+ // BJO 20000428 : Virtuoso returns type names with upper cases!
+ if (Dbms() == dbmsVIRTUOSO)
+ {
+ wxString s = colInf[colNo].typeName;
+ s = s.MakeLower();
+ wxStrcmp(colInf[colNo].typeName, s.c_str());
+ }
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
+ {
+ if (colInf[colNo].columnSize < 1)
+ {
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ }
+ else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+
colNo++;
}
}
}
if (retcode != SQL_NO_DATA_FOUND)
- { // Error occured, abort
+ { // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
- delete [] colInf;
+ delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
- *numCols = 0;
+ *numCols = 0;
return(0);
- }
+ }
}
SQLFreeStmt(hstmt, SQL_CLOSE);
} // wxDb::GetColumns()
-#else // New GetColumns
+#else // New GetColumns
/*
-
-BJO 20000503
-
-These are tentative new GetColumns members:
-
-- The first one (wxDbColInf *wxDb::GetColumns(char *tableName[], const char* userID)) calls
- the second implementation for each separate table before merging the results. This makes the
- code easier to maintain as only one member (the second) makes the real work
-- wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID) is a little bit improved
- - It doesn't anymore rely on the type-name to find out which database-type each column has
- - It ends by sorting the columns, so that they are returned in the same order they were created
-
+ BJO 20000503
+ These are tentative new GetColumns members which should be more database
+ independant and which always returns the columns in the order they were
+ created.
+
+ - The first one (wxDbColInf *wxDb::GetColumns(char *tableName[], const
+ char* userID)) calls the second implementation for each separate table
+ before merging the results. This makes the code easier to maintain as
+ only one member (the second) makes the real work
+ - wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const
+ char *userID) is a little bit improved
+ - It doesn't anymore rely on the type-name to find out which database-type
+ each column has
+ - It ends by sorting the columns, so that they are returned in the same
+ order they were created
*/
typedef struct
{
- int noCols;
- wxDbColInf *colInf;
+ int noCols;
+ wxDbColInf *colInf;
} _TableColumns;
+
wxDbColInf *wxDb::GetColumns(char *tableName[], const char* userID)
{
- int i, j;
- // The last array element of the tableName[] argument must be zero (null).
- // This is how the end of the array is detected.
-
- int noCols = 0;
-
- // How many tables ?
- int tbl;
- for (tbl = 0 ; tableName[tbl]; tbl++);
-
- // Create a table to maintain the columns for each separate table
- _TableColumns *TableColumns = new _TableColumns[tbl];
-
- // Fill the table
- for (i = 0 ; i < tbl ; i++)
-
- {
- TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
- if (TableColumns[i].colInf == NULL) return NULL;
- noCols += TableColumns[i].noCols;
- }
-
- // Now merge all the separate table infos
- wxDbColInf *colInf = new wxDbColInf[noCols+1];
-
- // Mark the end of the array
- wxStrcpy(colInf[noCols].tableName, wxT(""));
- wxStrcpy(colInf[noCols].colName, wxT(""));
- colInf[noCols].sqlDataType = 0;
-
- // Merge ...
- int offset = 0;
-
- for (i = 0 ; i < tbl ; i++)
- {
- for (j = 0 ; j < TableColumns[i].noCols ; j++)
- {
- colInf[offset++] = TableColumns[i].colInf[j];
- }
- }
-
- delete [] TableColumns;
-
- return colInf;
-}
+ int i, j;
+ // The last array element of the tableName[] argument must be zero (null).
+ // This is how the end of the array is detected.
+
+ int noCols = 0;
+
+ // How many tables ?
+ int tbl;
+ for (tbl = 0 ; tableName[tbl]; tbl++);
+
+ // Create a table to maintain the columns for each separate table
+ _TableColumns *TableColumns = new _TableColumns[tbl];
+
+ // Fill the table
+ for (i = 0 ; i < tbl ; i++)
+
+ {
+ TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
+ if (TableColumns[i].colInf == NULL)
+ return NULL;
+ noCols += TableColumns[i].noCols;
+ }
+
+ // Now merge all the separate table infos
+ wxDbColInf *colInf = new wxDbColInf[noCols+1];
+
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
+
+ // Merge ...
+ int offset = 0;
+
+ for (i = 0 ; i < tbl ; i++)
+ {
+ for (j = 0 ; j < TableColumns[i].noCols ; j++)
+ {
+ colInf[offset++] = TableColumns[i].colInf[j];
+ }
+ }
+
+ delete [] TableColumns;
+
+ return colInf;
+} // wxDb::GetColumns() -- NEW
wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const char *userID)
- //
- // Same as the above GetColumns() function except this one gets columns
- // only for a single table, and if 'numCols' is not NULL, the number of
- // columns stored in the returned wxDbColInf is set in '*numCols'
- //
- // userID is evaluated in the following manner:
- // userID == NULL ... UserID is ignored
- // userID == "" ... UserID set equal to 'this->uid'
- // userID != "" ... UserID set equal to 'userID'
- //
- // NOTE: ALL column bindings associated with this wxDb instance are unbound
- // by this function. This function should use its own wxDb instance
- // to avoid undesired unbinding of columns.
-
+//
+// Same as the above GetColumns() function except this one gets columns
+// only for a single table, and if 'numCols' is not NULL, the number of
+// columns stored in the returned wxDbColInf is set in '*numCols'
+//
+// userID is evaluated in the following manner:
+// userID == NULL ... UserID is ignored
+// userID == "" ... UserID set equal to 'this->uid'
+// userID != "" ... UserID set equal to 'userID'
+//
+// NOTE: ALL column bindings associated with this wxDb instance are unbound
+// by this function. This function should use its own wxDb instance
+// to avoid undesired unbinding of columns.
{
- SWORD noCols = 0;
- int colNo = 0;
- wxDbColInf *colInf = 0;
-
- RETCODE retcode;
- SDWORD cb;
-
- wxString UserID;
- wxString TableName;
-
- if (userID)
- {
- if (!wxStrlen(userID))
- UserID = uid;
- else
- UserID = userID;
- }
- else
- UserID = "";
-
- // dBase does not use user names, and some drivers fail if you try to pass one
- if (Dbms() == dbmsDBASE)
- UserID = "";
-
- // Oracle user names may only be in uppercase, so force
- // the name to uppercase
- if (Dbms() == dbmsORACLE)
- UserID = UserID.Upper();
-
- // Pass 1 - Determine how many columns there are.
- // Pass 2 - Allocate the wxDbColInf array and fill in
- // the array with the column information.
- int pass;
- for (pass = 1; pass <= 2; pass++)
- {
- if (pass == 2)
+ SWORD noCols = 0;
+ int colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString UserID;
+ wxString TableName;
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // dBase does not use user names, and some drivers fail if you try to pass one
+ if (Dbms() == dbmsDBASE)
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
{
- if (noCols == 0) // Probably a bogus table name(s)
- break;
- // Allocate n wxDbColInf objects to hold the column information
- colInf = new wxDbColInf[noCols+1];
- if (!colInf)
- break;
- // Mark the end of the array
- wxStrcpy(colInf[noCols].tableName, wxT(""));
- wxStrcpy(colInf[noCols].colName, wxT(""));
- colInf[noCols].sqlDataType = 0;
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxT(""));
+ wxStrcpy(colInf[noCols].colName, wxT(""));
+ colInf[noCols].sqlDataType = 0;
}
-
- TableName = tableName;
- // Oracle table names are uppercase only, so force
- // the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
- TableName = TableName.Upper();
-
- SQLFreeStmt(hstmt, SQL_CLOSE);
-
- // MySQL and Access cannot accept a user name when looking up column names, so we
- // use the call below that leaves out the user name
- if (wxStrcmp(UserID.c_str(),wxT("")) &&
- Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (wxStrcmp(UserID.c_str(),wxT("")) &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
{
- retcode = SQLColumns(hstmt,
- NULL, 0, // All qualifiers
- (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
- (UCHAR *) TableName.c_str(), SQL_NTS,
- NULL, 0); // All columns
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
}
- else
+ else
{
- retcode = SQLColumns(hstmt,
- NULL, 0, // All qualifiers
- NULL, 0, // Owner
- (UCHAR *) TableName.c_str(), SQL_NTS,
- NULL, 0); // All columns
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
}
- if (retcode != SQL_SUCCESS)
+ if (retcode != SQL_SUCCESS)
{ // Error occured, abort
- DispAllErrors(henv, hdbc, hstmt);
- if (colInf)
- delete [] colInf;
- SQLFreeStmt(hstmt, SQL_CLOSE);
- if (numCols)
- *numCols = 0;
- return(0);
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
}
-
+
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
{
if (pass == 1) // First pass, just add up the number of columns
colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].FkTableName[0] = 0; // Foreign key table name
-
-#ifdef _IODBC_
- // IODBC returns the columnSize in bufferLength.. (bug)
- colInf[colNo].columnSize = colInf[colNo].bufferLength;
+
+#ifdef _IODBC_
+ // IODBC returns the columnSize in bufferLength.. (bug)
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
#endif
-
- // Determine the wxDb data type that is used to represent the native data type of this data source
- colInf[colNo].dbDataType = 0;
- // Get the intern datatype
- switch (colInf[colNo].sqlDataType)
- {
- case SQL_VARCHAR:
- case SQL_CHAR:
- colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
- break;
-
- case SQL_TINYINT:
- case SQL_SMALLINT:
- case SQL_INTEGER:
- colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
- break;
- case SQL_DOUBLE:
- case SQL_DECIMAL:
- case SQL_NUMERIC:
- case SQL_FLOAT:
- case SQL_REAL:
- colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
- break;
- case SQL_DATE:
- colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
- break;
-
-
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ // Get the intern datatype
+ switch (colInf[colNo].sqlDataType)
+ {
+ case SQL_VARCHAR:
+ case SQL_CHAR:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ break;
+
+ case SQL_TINYINT:
+ case SQL_SMALLINT:
+ case SQL_INTEGER:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ break;
+ case SQL_DOUBLE:
+ case SQL_DECIMAL:
+ case SQL_NUMERIC:
+ case SQL_FLOAT:
+ case SQL_REAL:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ break;
+ case SQL_DATE:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ break;
#ifdef __WXDEBUG__
- default:
- wxString errMsg;
- errMsg.sprintf("SQL Data type %d currently not supported by wxWindows", colInf[colNo].sqlDataType);
- wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
-#endif
- }
-
-
-
+ default:
+ wxString errMsg;
+ errMsg.sprintf("SQL Data type %d currently not supported by wxWindows", colInf[colNo].sqlDataType);
+ wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
+#endif
+ }
colNo++;
}
}
}
if (retcode != SQL_NO_DATA_FOUND)
- { // Error occured, abort
+ { // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
- delete [] colInf;
+ delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
- *numCols = 0;
+ *numCols = 0;
return(0);
- }
- }
-
- SQLFreeStmt(hstmt, SQL_CLOSE);
-
- // Store Primary and Foreign Keys
- GetKeyFields(tableName,colInf,noCols);
-
-
-
- ///////////////////////////////////////////////////////////////////////////
- // Now sort the the columns in order to make them appear in the right order
- ///////////////////////////////////////////////////////////////////////////
-
- // Build a generic SELECT statement which returns 0 rows
- wxString Stmt;
-
- Stmt.sprintf("select * from %s where 0=1", tableName);
-
- // Execute query
- if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
- {
- DispAllErrors(henv, hdbc, hstmt);
- return NULL;
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Store Primary and Foreign Keys
+ GetKeyFields(tableName,colInf,noCols);
+
+ ///////////////////////////////////////////////////////////////////////////
+ // Now sort the the columns in order to make them appear in the right order
+ ///////////////////////////////////////////////////////////////////////////
+
+ // Build a generic SELECT statement which returns 0 rows
+ wxString Stmt;
+
+ Stmt.sprintf("select * from %s where 0=1", tableName);
+
+ // Execute query
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
}
-
- // Get the number of result columns
- if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
- {
- DispAllErrors(henv, hdbc, hstmt);
- return NULL;
- }
-
- if (noCols == 0) // Probably a bogus table name
- return NULL;
-
- // Get the name
- int i;
- short colNum;
- UCHAR name[100];
- SWORD Sword;
- SDWORD Sdword;
- for (colNum = 0; colNum < noCols; colNum++)
+
+ // Get the number of result columns
+ if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ if (noCols == 0) // Probably a bogus table name
+ return NULL;
+
+ // Get the name
+ int i;
+ short colNum;
+ UCHAR name[100];
+ SWORD Sword;
+ SDWORD Sdword;
+ for (colNum = 0; colNum < noCols; colNum++)
{
- if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
- name, sizeof(name),
- &Sword, &Sdword) != SQL_SUCCESS)
- {
- DispAllErrors(henv, hdbc, hstmt);
- return NULL;
- }
-
- wxString Name1 = name;
- Name1 = Name1.Upper();
-
- // Where is this name in the array ?
- for (i = colNum ; i < noCols ; i++)
- {
- wxString Name2 = colInf[i].colName;
- Name2 = Name2.Upper();
- if (Name2 == Name1)
- {
- if (colNum != i) // swap to sort
- {
- wxDbColInf tmpColInf = colInf[colNum];
- colInf[colNum] = colInf[i];
- colInf[i] = tmpColInf;
- }
- break;
- }
- }
+ if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
+ name, sizeof(name),
+ &Sword, &Sdword) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ wxString Name1 = name;
+ Name1 = Name1.Upper();
+
+ // Where is this name in the array ?
+ for (i = colNum ; i < noCols ; i++)
+ {
+ wxString Name2 = colInf[i].colName;
+ Name2 = Name2.Upper();
+ if (Name2 == Name1)
+ {
+ if (colNum != i) // swap to sort
+ {
+ wxDbColInf tmpColInf = colInf[colNum];
+ colInf[colNum] = colInf[i];
+ colInf[i] = tmpColInf;
+ }
+ break;
+ }
+ }
}
- SQLFreeStmt(hstmt, SQL_CLOSE);
-
- ///////////////////////////////////////////////////////////////////////////
- // End sorting
- ///////////////////////////////////////////////////////////////////////////
-
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ ///////////////////////////////////////////////////////////////////////////
+ // End sorting
+ ///////////////////////////////////////////////////////////////////////////
-
- if (numCols)
- *numCols = noCols;
- return colInf;
-
+ if (numCols)
+ *numCols = noCols;
+ return colInf;
+
} // wxDb::GetColumns()
-#endif
+#endif // #else OLD_GETCOLUMNS
/********** wxDb::GetColumnCount() **********/
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
- (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
(UCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
wxDbInf *wxDb::GetCatalog(char *userID)
/*
* ---------------------------------------------------------------------
- * -- 19991203 : mj10777@gmx.net : Create ------
+ * -- 19991203 : mj10777 : Create ------
* -- : Creates a wxDbInf with Tables / Cols Array ------
* -- : uses SQLTables and fills pTableInf; ------
* -- : pColInf is set to NULL and numCols to 0; ------
int pass;
RETCODE retcode;
SDWORD cb;
-// char tblNameSave[DB_MAX_TABLE_NAME_LEN+1];
wxString tblNameSave;
wxString UserID;
//-------------------------------------------------------------
pDbInf = new wxDbInf; // Create the Database Arrray
- pDbInf->catalog[0] = 0;
- pDbInf->schema[0] = 0;
- pDbInf->numTables = 0; // Counter for Tables
- pDbInf->pTableInf = NULL; // Array of Tables
//-------------------------------------------------------------
// Table Information
// Pass 1 - Determine how many Tables there are.
// - Create the Cols array = NULL
//-------------------------------------------------------------
-
for (pass = 1; pass <= 2; pass++)
{
SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open
tblNameSave = wxT("");
if (wxStrcmp(UserID.c_str(),wxT("")) &&
- Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
{
-
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
- (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
else
{
-
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // User specified
if (retcode != SQL_SUCCESS)
{
-
DispAllErrors(henv, hdbc, hstmt);
pDbInf = NULL;
SQLFreeStmt(hstmt, SQL_CLOSE);
return pDbInf;
}
-
+
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information
{
-
if (pass == 1) // First pass, just count the Tables
{
if (pDbInf->numTables == 0)
if (pDbInf->pTableInf == NULL) // Has the Table Array been created
{ // no, then create the Array
pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables];
- for (noTab=0;noTab<pDbInf->numTables;noTab++)
- {
- (pDbInf->pTableInf+noTab)->tableName[0] = 0;
- (pDbInf->pTableInf+noTab)->tableType[0] = 0;
- (pDbInf->pTableInf+noTab)->tableRemarks[0] = 0;
- (pDbInf->pTableInf+noTab)->numCols = 0;
- (pDbInf->pTableInf+noTab)->pColInf = NULL;
- }
noTab = 0;
- } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+ } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb);
GetData( 5, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb);
-
+
noTab++;
- } // if (pass == 2) We now know the amount of Tables
- } // while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
- } // for (pass = 1; pass <= 2; pass++)
+ } // if
+ } // while
+ } // for
SQLFreeStmt(hstmt, SQL_CLOSE);
// Query how many columns are in each table
{
(pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
}
+
return pDbInf;
+
} // wxDb::GetCatalog()
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
- (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
{
wxString UserID;
wxString TableName;
-
+
assert(tableName && wxStrlen(tableName));
-
+
if (Dbms() == dbmsDBASE)
{
-
- wxString dbName;
- if (tablePath && wxStrlen(tablePath))
- dbName.sprintf("%s\\%s.dbf",tablePath,tableName);
- else
- dbName.sprintf("%s.dbf",tableName);
-
- bool exists;
- exists = wxFileExists(dbName.c_str());
- return exists;
+ wxString dbName;
+ if (tablePath && wxStrlen(tablePath))
+ dbName.sprintf("%s\\%s.dbf",tablePath,tableName);
+ else
+ dbName.sprintf("%s.dbf",tableName);
+
+ bool exists;
+ exists = wxFileExists(dbName.c_str());
+ return exists;
}
-
+
if (userID)
{
if (!wxStrlen(userID))
}
else
UserID = "";
-
+
// Oracle user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
-
+
TableName = tableName;
// Oracle table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if (Dbms() == dbmsORACLE)
TableName = TableName.Upper();
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
RETCODE retcode;
-
+
// MySQL and Access cannot accept a user name when looking up table names, so we
// use the call below that leaves out the user name
if (wxStrcmp(UserID,"") &&
- Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS)
{
retcode = SQLTables(hstmt,
- NULL, 0, // All qualifiers
+ NULL, 0, // All qualifiers
(UCHAR *) UserID.c_str(), SQL_NTS, // All owners
(UCHAR FAR *)TableName.c_str(), SQL_NTS,
- NULL, 0); // All table types
+ NULL, 0); // All table types
}
else
{
retcode = SQLTables(hstmt,
- NULL, 0, // All qualifiers
- NULL, 0, // All owners
+ NULL, 0, // All qualifiers
+ NULL, 0, // All owners
(UCHAR FAR *)TableName.c_str(), SQL_NTS,
- NULL, 0); // All table types
+ NULL, 0); // All table types
}
if (retcode != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
-
+
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return(DispAllErrors(henv, hdbc, hstmt));
}
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
- return(TRUE);
+ return(TRUE);
+
} // wxDb::TableExists()
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+/********** wxDB::TablePrivileges() **********/
+bool wxDB::TablePrivileges(const char *tableName, const char* priv,
+ const char *userID, const char *tablePath)
+{
+ wxDbTablePrivilegeInfo result;
+ SDWORD cbRetVal;
+ RETCODE retcode;
+
+ //We probably need to be able to dynamically set this based on
+ //the driver type, and state.
+ char curRole[]="public";
+
+ //Prologue here similar to db::TableExists()
+ wxString UserID;
+ wxString TableName;
+
+ assert(tableName && wxStrlen(tableName));
+
+ if (userID)
+ {
+ if (!wxStrlen(userID))
+ UserID = uid;
+ else
+ UserID = userID;
+ }
+ else
+ UserID = "";
+
+ // Oracle user names may only be in uppercase, so force
+ // the name to uppercase
+ if (Dbms() == dbmsORACLE)
+ UserID = UserID.Upper();
+
+ TableName = tableName;
+ // Oracle table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if (Dbms() == dbmsORACLE)
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // All owners
+ (UCHAR FAR *)TableName.GetData(), SQL_NTS);
+
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr ,"SQLTablePrivileges() returned %i \n",retcode);
+#endif
+ retcode = SQLBindCol (hstmt, 1, SQL_C_CHAR , &result.tableQual, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 2, SQL_C_CHAR , &result.tableOwner, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 3, SQL_C_CHAR , &result.tableName, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 4, SQL_C_CHAR , &result.grantor, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 5, SQL_C_CHAR , &result.grantee, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 6, SQL_C_CHAR , &result.privilege, 128, &cbRetVal);
+
+ retcode = SQLBindCol (hstmt, 7, SQL_C_CHAR , &result.grantable, 3, &cbRetVal);
+
+ retcode = SQLFetch(hstmt);
+ while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr,"Scanning %s privilege on table %s.%s granted by %s to %s\n",
+ result.privilege,result.tabowner,result.tabname,
+ result.grantor, result.grantee);
+#endif
+ if (UserID.IsSameAs(result.tableOwner,false) )
+ return TRUE;
+
+ if (UserID.IsSameAs(result.grantee,false) &&
+ !strcmp(result.privilege,priv))
+ return TRUE;
+
+ if (!strcmp(result.grantee,curRole) &&
+ !strcmp(result.privilege,priv))
+ return TRUE;
+
+ retcode = SQLFetch(hstmt);
+ }
+
+ return FALSE;
+
+} // wxDB::TablePrivileges
+#endif
+
+
/********** wxDb::SetSqlLogging() **********/
bool wxDb::SetSqlLogging(wxDbSqlLogState state, const char *filename, bool append)
{
*
* SYBASE (Enterprise)
* - If a column is part of the Primary Key, the column cannot be NULL
+ * - Maximum row size is somewhere in the neighborhood of 1920 bytes
*
* MY_SQL
* - If a column is part of the Primary Key, the column cannot be NULL
* - Cannot support selecting for update [::CanSelectForUpdate()]. Always returns FALSE
+ * - Columns that are part of primary or secondary keys must be defined as being NOT NULL
+ * when they are created. Some code is added in ::CreateIndex to try to adjust the
+ * column definition if it is not defined correctly, but it is experimental
+ * - Does not support sub-queries in SQL statements
*
* POSTGRES
* - Does not support the keywords 'ASC' or 'DESC' as of release v6.5.0
- *
+ * - Does not support sub-queries in SQL statements
*
*/
{
wxChar baseName[25+1];
wxStrncpy(baseName,dbInf.dbmsName,25);
+ baseName[25] = 0;
// BJO 20000428 : add support for Virtuoso
if (!wxStricmp(dbInf.dbmsName,"OpenLink Virtuoso VDBMS"))
// BJO 20000427 : The "SQL Server" string is also returned by SQLServer when
// connected through an OpenLink driver.
// Is it also returned by Sybase Adapatitve server?
- // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix
+ // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix
if (!wxStricmp(dbInf.dbmsName,"SQL Server"))
+ {
if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) ||
!wxStrncmp(dbInf.driverName, "OLOD", 4))
- return dbmsMS_SQL_SERVER; else return dbmsSYBASE_ASE;
-
+ return dbmsMS_SQL_SERVER; else return dbmsSYBASE_ASE;
+ }
if (!wxStricmp(dbInf.dbmsName,"Microsoft SQL Server"))
return(dbmsMS_SQL_SERVER);
if (!wxStricmp(baseName,"Informix"))
return(dbmsINFORMIX);
-
baseName[6] = 0;
if (!wxStricmp(baseName,"Oracle"))
return(dbmsORACLE);
return(dbmsDBASE);
return(dbmsUNIDENTIFIED);
+
} // wxDb::Dbms()
{
// The database connection must be for the same datasource
// name and must currently not be in use.
- if (pList->Free && (! wxStrcmp(pDbConfig->Dsn, pList->Dsn))) // Found a free connection
+ if (pList->Free &&
+ (pList->PtrDb->FwdOnlyCursors() == FwdOnlyCursors) &&
+ (!wxStrcmp(pDbConfig->Dsn, pList->Dsn))) // Found a free connection
{
pList->Free = FALSE;
return(pList->PtrDb);
pList->PtrNext->PtrPrev = pList;
pList = pList->PtrNext;
}
- else // Empty list
+ else // Empty list
{
// Create the first node on the list
pList = PtrBegDbList = new wxDbList;
// Scan the linked list searching for the database connection
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
{
- if (pList->PtrDb == pDb) // Found it!!!
- return(pList->Free = TRUE);
+ if (pList->PtrDb == pDb) // Found it, now free it!!!
+ return (pList->Free = TRUE);
}
// Never found the database object, return failure
}
SQLLOGstate = state;
- wxStrcpy(SQLLOGfn,filename);
+ SQLLOGfn = filename;
return(TRUE);
} // wxDbSqlLog()
-#if 0
+#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
/********** wxDbCreateDataSource() **********/
int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *description,
bool sysDSN, const char *defDir, wxWindow *parent)
else
result = TRUE;
-#else // __WXMSW__
+#else // using iODBC, so this function is not supported
#ifdef __WXDEBUG__
wxLogDebug("wxDbCreateDataSource() not available except under MSW","DEBUG MESSAGE");
#endif
projects / wxWidgets.git / blobdiff