some wxArtProv docs

[wxWidgets.git] / src / common / db.cpp

diff --git a/src/common/db.cpp b/src/common/db.cpp
index f7227632ffcc9ec407582c70d29d1a8494b745b3..15160d59514e31454a27b222fbc636ce1c8a69f4 100644 (file)
--- a/src/common/db.cpp
+++ b/src/common/db.cpp
@@ -575,7 +575,7 @@ const wxChar *wxDb::convertUserID(const wxChar *userID, wxString &UserID)
 
 
 /********** wxDb::Open() **********/
-bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr)
+bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported)
 {
     wxASSERT(Dsn.Length());
     dsn        = Dsn;
@@ -603,15 +603,6 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
                          (UCHAR FAR *) uid.c_str(), SQL_NTS,
                          (UCHAR FAR *) authStr.c_str(), SQL_NTS);
 
-/*
-    if (retcode == SQL_SUCCESS_WITH_INFO)
-        DispAllErrors(henv, hdbc);
-    else if (retcode != SQL_SUCCESS)
-        return(DispAllErrors(henv, hdbc));
-
-    if (retcode == SQL_ERROR)
-        return(DispAllErrors(henv, hdbc));
-*/
     if ((retcode != SQL_SUCCESS) &&
         (retcode != SQL_SUCCESS_WITH_INFO))
         return(DispAllErrors(henv, hdbc));
@@ -695,7 +686,10 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
             if (!getDataTypeInfo(SQL_FLOAT,typeInfFloat))
                 if (!getDataTypeInfo(SQL_DECIMAL,typeInfFloat))
                     if (!getDataTypeInfo(SQL_NUMERIC,typeInfFloat))
-                        return(FALSE);
+                    {
+                        if (failOnDataTypeUnsupported)
+                            return(FALSE);
+                    }
                     else
                         typeInfFloat.FsqlType = SQL_NUMERIC;
                 else
@@ -713,7 +707,10 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
         // 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);
+        {
+            if (failOnDataTypeUnsupported)
+                return(FALSE);
+        }
         else
             typeInfInteger.FsqlType = typeInfFloat.FsqlType;
     }
@@ -721,25 +718,36 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
         typeInfInteger.FsqlType = SQL_INTEGER;
 
     // Date/Time
-    if (Dbms() != dbmsDBASE)
-    {
-        if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
-            return(FALSE);
-        else
-            typeInfDate.FsqlType = SQL_TIMESTAMP;
-    }
-    else
+    if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
     {
         if (!getDataTypeInfo(SQL_DATE,typeInfDate))
-            return(FALSE);
+        {
+#ifdef SQL_DATETIME
+            if (getDataTypeInfo(SQL_DATETIME,typeInfDate))
+            {
+                typeInfDate.FsqlType = SQL_TIME;
+            }
+            else
+#endif // SQL_DATETIME defined
+            {
+                if (failOnDataTypeUnsupported)
+                    return(FALSE);
+            }
+        }
         else
             typeInfDate.FsqlType = SQL_DATE;
     }
+    else
+        typeInfDate.FsqlType = SQL_TIMESTAMP;
+
 
     if (!getDataTypeInfo(SQL_LONGVARBINARY, typeInfBlob))
     {
         if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob))
-            return(FALSE);
+        {
+            if (failOnDataTypeUnsupported)
+                return(FALSE);
+        }
         else
             typeInfBlob.FsqlType = SQL_VARBINARY;
     }
@@ -1295,8 +1303,10 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
     // Get information about the data type specified
     if (SQLGetTypeInfo(hstmt, fSqlType) != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc, hstmt));
+
     // Fetch the record
-    if ((retcode = SQLFetch(hstmt)) != SQL_SUCCESS)
+    retcode = SQLFetch(hstmt);
+    if (retcode != SQL_SUCCESS)
     {
 #ifdef DBDEBUG_CONSOLE
         if (retcode == SQL_NO_DATA_FOUND)
@@ -1308,6 +1318,7 @@ bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
     }
 
     wxChar typeName[DB_TYPE_NAME_LEN+1];
+
     // Obtain columns from the record
     if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) typeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc, hstmt));
@@ -1784,7 +1795,7 @@ bool wxDb::Grant(int privileges, const wxString &tableName, const wxString &user
     }
 
     sqlStmt += wxT(" ON ");
-    sqlStmt += tableName;
+    sqlStmt += SQLTableName(tableName);
     sqlStmt += wxT(" TO ");
     sqlStmt += userList;
 
@@ -2687,7 +2698,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
     // Build a generic SELECT statement which returns 0 rows
     wxString Stmt;
 
-    Stmt.Printf(wxT("select * from %s where 0=1"), tableName);
+    Stmt.Printf(wxT("select * from \"%s\" where 0=1"), tableName);
 
     // Execute query
     if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
@@ -3022,7 +3033,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     tblNameSave.Empty();
     int cnt = 0;
 
-    while (true)
+    while (TRUE)
     {
         retcode = SQLFetch(hstmt);
         if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
@@ -3281,6 +3292,34 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 }  // wxDb::TablePrivileges
 
 
+const wxString wxDb::SQLTableName(const wxChar *tableName)
+{
+    wxString TableName;
+
+    if (Dbms() == dbmsACCESS)
+        TableName = '"';
+    TableName += tableName;
+    if (Dbms() == dbmsACCESS)
+        TableName += '"';
+
+    return TableName;
+}  // wxDb::SQLTableName()
+
+
+const wxString wxDb::SQLColumnName(const wxChar *colName)
+{
+    wxString ColName;
+
+    if (Dbms() == dbmsACCESS)
+        ColName = '"';
+    ColName += colName;
+    if (Dbms() == dbmsACCESS)
+        ColName += '"';
+
+    return ColName;
+}  // wxDb::SQLColumnName()
+
+
 /********** wxDb::SetSqlLogging() **********/
 bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool append)
 {
@@ -3459,6 +3498,9 @@ wxDBMS wxDb::Dbms(void)
     if (!wxStricmp(baseName,wxT("DBASE")))
         return((wxDBMS)(dbmsType = dbmsDBASE));
 
+    if (!wxStricmp(baseName,wxT("MySQL")))
+        return((wxDBMS)(dbmsType = dbmsMY_SQL));
+
     baseName[3] = 0;
     if (!wxStricmp(baseName,wxT("DB2")))
         return((wxDBMS)(dbmsType = dbmsDBASE));
@@ -3529,11 +3571,12 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
     }
 
     // create the SQL statement
-    sqlStmt.Printf(wxT("ALTER TABLE %s %s %s %s"), tableName.c_str(), alterSlashModify.c_str(),
+    sqlStmt.Printf(wxT("ALTER TABLE \"%s\" \"%s\" \"%s\" %s"), tableName.c_str(), alterSlashModify.c_str(),
               columnName.c_str(), dataTypeName.c_str());
 
     // For varchars only, append the size of the column
-    if (dataType == DB_DATA_TYPE_VARCHAR)
+    if (dataType == DB_DATA_TYPE_VARCHAR &&
+        (Dbms() != dbmsMY_SQL || dataTypeName != "text"))
     {
         wxString s;
         s.Printf(wxT("(%d)"), columnLength);
@@ -3702,8 +3745,10 @@ int WXDLLEXPORT wxDbConnectionsInUse(void)
 
 /********** wxDbLogExtendedErrorMsg() **********/
 // DEBUG ONLY function
-const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText, wxDb *pDb,
-                             char *ErrFile, int ErrLine)
+const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText,
+                                                  wxDb *pDb,
+                                                  const wxChar *ErrFile,
+                                                  int ErrLine)
 {
     static wxString msg;
     msg = userText;
@@ -3722,7 +3767,7 @@ const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText, wxDb *
 
     msg.Append (wxT("\nODBC errors:\n"));
     msg += wxT("\n");
-    
+
     // Display errors for this connection
     int i;
     for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)