コード例 #1
0
ファイル: Table.cs プロジェクト: furesoft/SharpHSQL
        public Table MoveDefinition(string withoutIndex)
        {
            Table tn = new Table(dDatabase, true, Name, IsCached);

            for (int i = 0; i < ColumnCount; i++)
            {
                tn.AddColumn(GetColumn(i));
            }

            // todo: there should be nothing special with the primary key!
            if (iVisibleColumns < iColumnCount)
            {
                tn.CreatePrimaryKey();
            }
            else
            {
                tn.CreatePrimaryKey(PrimaryIndex.Columns[0]);
            }

            Index idx = null;

            while (true)
            {
                idx = GetNextIndex(idx);

                if (idx == null)
                {
                    break;
                }

                if (withoutIndex != null && idx.Name.Equals(withoutIndex))
                {
                    continue;
                }

                if (idx == PrimaryIndex)
                {
                    continue;
                }

                tn.CreateIndex(idx);
            }

            for (int i = 0; i < iConstraintCount; i++)
            {
                Constraint c = (Constraint) vConstraint[i];

                c.ReplaceTable(this, tn);
            }

            tn.vConstraint = vConstraint;

            return tn;
        }
コード例 #2
0
        public Table GetSystemTable(string name, Channel channel)
        {
            if (name.Equals("SYSTEM_PROCEDURES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("PROCEDURE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("PROCEDURE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("PROCEDURE_NAME", ColumnType.VarChar);
                t.AddColumn("NUM_INPUT_PARAMS", ColumnType.Integer);
                t.AddColumn("NUM_OUTPUT_PARAMS", ColumnType.Integer);
                t.AddColumn("NUM_RESULT_SETS", ColumnType.Integer);
                t.AddColumn("REMARKS", ColumnType.VarChar);
                t.AddColumn("PROCEDURE_TYPE", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_PROCEDURECOLUMNS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("PROCEDURE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("PROCEDURE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("PROCEDURE_NAME", ColumnType.VarChar);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("COLUMN_TYPE", ColumnType.SmallInt);
                t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn("PRECISION", ColumnType.Integer);
                t.AddColumn("LENGTH", ColumnType.Integer);
                t.AddColumn("SCALE", ColumnType.SmallInt);
                t.AddColumn("RADIX", ColumnType.SmallInt);
                t.AddColumn("NULLABLE", ColumnType.SmallInt);
                t.AddColumn("REMARKS", ColumnType.VarChar);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_TABLES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("TABLE_TYPE", ColumnType.VarChar);
                t.AddColumn("REMARKS", ColumnType.VarChar);
                t.CreatePrimaryKey();

                for (int i = 0; i < tTable.Count; i++)
                {
                    Table    table = (Table)tTable[i];
                    object[] o     = t.NewRow;

                    o[2] = table.Name;
                    o[3] = "TABLE";

                    t.Insert(o, null);
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_SCHEMAS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_CATALOGS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_DATABASES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("DATABASE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_TABLETYPES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_TYPE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                object[] o = t.NewRow;

                o[0] = "TABLE";

                t.Insert(o, null);

                return(t);
            }
            else if (name.Equals("SYSTEM_COLUMNS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn(META_COLUMN_SIZE, ColumnType.Integer);
                t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
                t.AddColumn(META_DECIMAL_DIGITS, ColumnType.Integer);
                t.AddColumn(META_NUM_PREC_RADIX, ColumnType.Integer);
                t.AddColumn("NULLABLE", ColumnType.Integer);
                t.AddColumn("REMARKS", ColumnType.VarChar);

                // Access and Intersolv do not return this fields
                t.AddColumn("COLUMN_DEF", ColumnType.VarChar);
                t.AddColumn("SQL_DATA_TYPE", ColumnType.VarChar);
                t.AddColumn("SQL_DATETIME_SUB", ColumnType.Integer);
                t.AddColumn("CHAR_OCTET_LENGTH", ColumnType.Integer);
                t.AddColumn("ORDINAL_POSITION", ColumnType.VarChar);
                t.AddColumn("IS_NULLABLE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                for (int i = 0; i < tTable.Count; i++)
                {
                    Table table   = (Table)tTable[i];
                    int   columns = table.ColumnCount;

                    for (int j = 0; j < columns; j++)
                    {
                        object[] o = t.NewRow;

                        o[2] = table.Name;
                        o[3] = table.GetColumnName(j);
                        o[4] = table.GetColumnType(j);
                        o[5] = Column.GetColumnTypeString(table.GetColumnType(j));

                        int nullable;

                        if (table.GetColumnIsNullable(j))
                        {
                            nullable = Convert.ToInt32(true);
                        }
                        else
                        {
                            nullable = Convert.ToInt32(false);
                        }

                        o[10] = nullable;

                        if (table.IdentityColumn == j)
                        {
                            o[11] = "IDENTITY";
                        }

                        t.Insert(o, null);
                    }
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_COLUMNPRIVILEGES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("GRANTOR", ColumnType.VarChar);
                t.AddColumn("GRANTEE", ColumnType.VarChar);
                t.AddColumn("PRIVILEGE", ColumnType.VarChar);
                t.AddColumn("IS_GRANTABLE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                /*
                 * // todo: get correct info
                 * for(int i=0;i<tTable.size();i++) {
                 * Table table=(Table)tTable.elementAt(i);
                 * int columns=table.ColumnCount;
                 * for(int j=0;j<columns;j++) {
                 * object o[]=t.NewRow;
                 * o[2]=table.Name;
                 * o[3]=table.getColumnName(j);
                 * o[4]="sa";
                 * o[6]="FULL";
                 * o[7]="NO";
                 * t.insert(o,null);
                 * }
                 * }
                 */
                return(t);
            }
            else if (name.Equals("SYSTEM_TABLEPRIVILEGES"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("GRANTOR", ColumnType.VarChar);
                t.AddColumn("GRANTEE", ColumnType.VarChar);
                t.AddColumn("PRIVILEGE", ColumnType.VarChar);
                t.AddColumn("IS_GRANTABLE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                for (int i = 0; i < tTable.Count; i++)
                {
                    Table    table = (Table)tTable[i];
                    object[] o     = t.NewRow;

                    o[2] = table.Name;
                    o[3] = "sa";
                    o[5] = "FULL";

                    t.Insert(o, null);
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_BESTROWIDENTIFIER"))
            {
                Table t = CreateTable(name);

                t.AddColumn("SCOPE", ColumnType.SmallInt);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn(META_COLUMN_SIZE, ColumnType.Integer);
                t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
                t.AddColumn(META_DECIMAL_DIGITS, ColumnType.SmallInt);
                t.AddColumn("PSEUDO_COLUMN", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_VERSIONCOLUMNS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("SCOPE", ColumnType.Integer);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn(META_COLUMN_SIZE, ColumnType.SmallInt);
                t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
                t.AddColumn(META_DECIMAL_DIGITS, ColumnType.SmallInt);
                t.AddColumn("PSEUDO_COLUMN", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_PRIMARYKEYS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
                t.AddColumn("PK_NAME", ColumnType.VarChar);
                t.CreatePrimaryKey();

                for (int i = 0; i < tTable.Count; i++)
                {
                    Table table = (Table)tTable[i];
                    Index index = table.GetIndex("SYSTEM_PK");
                    int[] cols  = index.Columns;
                    int   len   = cols.Length;

                    for (int j = 0; j < len; j++)
                    {
                        object[] o = t.NewRow;

                        o[2] = table.Name;
                        o[3] = table.GetColumnName(cols[j]);
                        o[4] = j + 1;
                        o[5] = "SYSTEM_PK";

                        t.Insert(o, null);
                    }
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_IMPORTEDKEYS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
                t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
                t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
                t.AddColumn("FK_NAME", ColumnType.VarChar);
                t.AddColumn("PK_NAME", ColumnType.VarChar);
                t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_EXPORTEDKEYS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
                t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
                t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
                t.AddColumn("FK_NAME", ColumnType.VarChar);
                t.AddColumn("PK_NAME", ColumnType.VarChar);
                t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_CROSSREFERENCE"))
            {
                Table t = CreateTable(name);

                t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
                t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
                t.AddColumn("KEY_SEQ", ColumnType.Integer);
                t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
                t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
                t.AddColumn("FK_NAME", ColumnType.VarChar);
                t.AddColumn("PK_NAME", ColumnType.VarChar);
                t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_TYPEINFO"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
                t.AddColumn("PRECISION", ColumnType.Integer);
                t.AddColumn("LITERAL_PREFIX", ColumnType.VarChar);
                t.AddColumn("LITERAL_SUFFIX", ColumnType.VarChar);
                t.AddColumn("CREATE_PARAMS", ColumnType.VarChar);
                t.AddColumn("NULLABLE", ColumnType.SmallInt);
                t.AddColumn("CASE_SENSITIVE", ColumnType.VarChar);
                t.AddColumn("SEARCHABLE", ColumnType.SmallInt);
                t.AddColumn("UNSIGNED_ATTRIBUTE", ColumnType.Bit);
                t.AddColumn(META_FIXED_PREC_SCALE, ColumnType.Bit);
                t.AddColumn("AUTO_INCREMENT", ColumnType.Bit);
                t.AddColumn("LOCAL_TYPE_NAME", ColumnType.VarChar);
                t.AddColumn("MINIMUM_SCALE", ColumnType.SmallInt);
                t.AddColumn("MAXIMUM_SCALE", ColumnType.SmallInt);

                // this columns are not supported by Access and Intersolv
                t.AddColumn("SQL_DATE_TYPE", ColumnType.Integer);
                t.AddColumn("SQL_DATETIME_SUB", ColumnType.Integer);
                t.AddColumn("NUM_PREC_RADIX", ColumnType.Integer);
                t.CreatePrimaryKey();

                for (int i = 0; i < Column.Types.Length; i++)
                {
                    object[]   o    = t.NewRow;
                    ColumnType type = Column.Types[i];

                    o[0]  = Column.GetColumnTypeString(type);
                    o[1]  = type;
                    o[2]  = 0;                       // precision
                    o[6]  = true;                    // need Column to track nullable for this
                    o[7]  = true;                    // case sensitive
                    o[8]  = true;;
                    o[9]  = false;                   // unsigned
                    o[10] = (type == ColumnType.Numeric || type == ColumnType.DbDecimal);
                    o[11] = (type == ColumnType.Integer);
                    o[12] = o[0];
                    o[13] = 0;
                    o[14] = 0;                        // maximum scale
                    o[15] = 0;
                    o[16] = o[15];
                    o[17] = 10;

                    t.Insert(o, null);
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_INDEXINFO"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TABLE_NAME", ColumnType.VarChar);
                t.AddColumn("NON_UNIQUE", ColumnType.Bit);
                t.AddColumn("INDEX_QUALIFIER", ColumnType.VarChar);
                t.AddColumn("INDEX_NAME", ColumnType.VarChar);
                t.AddColumn("TYPE", ColumnType.SmallInt);
                t.AddColumn(META_ORDINAL_POSITON, ColumnType.SmallInt);
                t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
                t.AddColumn(META_ASC_OR_DESC, ColumnType.VarChar);
                t.AddColumn("CARDINALITY", ColumnType.Integer);
                t.AddColumn("PAGES", ColumnType.Integer);
                t.AddColumn("FILTER_CONDITION", ColumnType.VarChar);
                t.CreatePrimaryKey();

                for (int i = 0; i < tTable.Count; i++)
                {
                    Table table = (Table)tTable[i];
                    Index index = null;

                    while (true)
                    {
                        index = table.GetNextIndex(index);

                        if (index == null)
                        {
                            break;
                        }

                        int[] cols = index.Columns;
                        int   len  = cols.Length;

                        // this removes the column that makes every index unique
                        if (!index.IsUnique)
                        {
                            len--;
                        }

                        for (int j = 0; j < len; j++)
                        {
                            object[] o = t.NewRow;

                            o[2] = table.Name;
                            o[3] = !index.IsUnique;
                            o[5] = index.Name;
                            o[6] = 1;
                            o[7] = (j + 1);
                            o[8] = table.GetColumnName(cols[j]);
                            o[9] = "A";

                            t.Insert(o, null);
                        }
                    }
                }

                return(t);
            }
            else if (name.Equals("SYSTEM_UDTS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("TYPE_" + META_CAT, ColumnType.VarChar);
                t.AddColumn("TYPE_" + META_SCHEM, ColumnType.VarChar);
                t.AddColumn("TYPE_NAME", ColumnType.VarChar);
                t.AddColumn("CLASS_NAME", ColumnType.Bit);
                t.AddColumn("DATA_TYPE", ColumnType.VarChar);
                t.AddColumn("REMARKS", ColumnType.VarChar);
                t.CreatePrimaryKey();

                return(t);
            }
            else if (name.Equals("SYSTEM_CONNECTIONINFO"))
            {
                Table t = CreateTable(name);

                t.AddColumn("KEY", ColumnType.VarChar);
                t.AddColumn("VALUE", ColumnType.VarChar);
                t.CreatePrimaryKey();

                object[] o = t.NewRow;

                o[0] = "USER";
                o[1] = channel.UserName;

                t.Insert(o, null);

                o    = t.NewRow;
                o[0] = "READONLY";
                o[1] = channel.IsReadOnly ? "TRUE" : "FALSE";

                t.Insert(o, null);

                o    = t.NewRow;
                o[0] = "MAXROWS";
                o[1] = "" + channel.MaxRows;

                t.Insert(o, null);

                o    = t.NewRow;
                o[0] = "DATABASE";
                o[1] = "" + channel.Database.Name;

                t.Insert(o, null);

                o    = t.NewRow;
                o[0] = "IDENTITY";
                o[1] = "" + channel.LastIdentity;

                t.Insert(o, null);

                return(t);
            }
            else if (name.Equals("SYSTEM_USERS"))
            {
                Table t = CreateTable(name);

                t.AddColumn("USER", ColumnType.VarChar);
                t.AddColumn("ADMIN", ColumnType.Bit);
                t.CreatePrimaryKey();

                ArrayList v = aAccess.GetUsers();

                for (int i = 0; i < v.Count; i++)
                {
                    User u = (User)v[i];

                    // todo: this is not a nice implementation
                    if (u == null)
                    {
                        continue;
                    }

                    string user = u.Name;

                    if (!user.Equals("PUBLIC"))
                    {
                        object[] o = t.NewRow;

                        o[0] = user;
                        o[1] = u.IsAdmin;

                        t.Insert(o, null);
                    }
                }

                return(t);
            }

            return(null);
        }
コード例 #3
0
ファイル: Parser.cs プロジェクト: furesoft/SharpHSQL
        /// <summary>
        /// Process ALTER TABLE statements.
        /// 
        /// ALTER TABLE tableName ADD COLUMN columnName columnType;
        /// ALTER TABLE tableName DELETE COLUMN columnName;
        /// </summary>
        /// <remarks>
        /// The only change I've made to Sergio's original code was
        /// changing the insert's to call insertNoCheck to bypass the trigger
        /// mechanism that is a part of hsqldb 1.60 and beyond. - Mark Tutt
        /// </remarks>
        /// <returns></returns>
        public Result ProcessAlter()
        {
            tTokenizer.GetThis ("TABLE");

            string token = tTokenizer.GetString ();

            cChannel.CheckReadWrite ();

            // cChannel.check(token,Access.ALTER); --> Accessul nu-l inca controleaza...
            string tName = token;
            string swap = tName + "SWAP";

            // nimicirea swapului...
            dDatabase.Execute ("DROP TABLE " + swap, cChannel);

            Table initialTable = dDatabase.GetTable (token, cChannel);
            int count = 0;

            token = tTokenizer.GetString ();

            if (token.Equals ("ADD")) {
                token = tTokenizer.GetString ();

                if (token.Equals ("COLUMN")) {
                    Table swapTable = new Table (dDatabase, true, swap,
                                          initialTable.IsCached);

                    // copiem coloanele (fara date) din tabelul initial in swap
                    for (int i = 0; i < initialTable.ColumnCount; i++) {
                        Column aColumn = initialTable.GetColumn (i);

                        swapTable.AddColumn (aColumn);
                    }

                    // end Of copiem coloanele...
                    // aflam daca are PrimaryKey & o cream...
                    string cName = tTokenizer.GetString ();
                    string cType = tTokenizer.GetString ();
                    ColumnType iType = Column.GetColumnType (cType);
                    string sToken = cType;
                    //					int     primarykeycolumn = -1;
                    bool identity = false;
                    int column = initialTable.ColumnCount + 1;

                    // !--
                    // stolen from CREATE TABLE...
                    string sColumn = cName;

                    if (iType == ColumnType.VarChar && dDatabase.IsIgnoreCase) {
                        iType = ColumnType.VarCharIgnoreCase;
                    }

                    sToken = tTokenizer.GetString ();

                    if (iType == ColumnType.DbDouble && sToken.Equals ("PRECISION")) {
                        sToken = tTokenizer.GetString ();
                    }

                    if (sToken.Equals ("(")) {

                        // overread length
                        do {
                            sToken = tTokenizer.GetString ();
                        } while (!sToken.Equals (")"));

                        sToken = tTokenizer.GetString ();
                    }

                    // !--
                    bool nullable = true;

                    if (sToken.Equals ("NULL")) {
                        sToken = tTokenizer.GetString ();
                    } else if (sToken.Equals ("NOT")) {
                        tTokenizer.GetThis ("NULL");

                        nullable = false;
                        sToken = tTokenizer.GetString ();
                    }

                    /*
                     * if(sToken.Equals("IDENTITY")) {
                     * identity=true;
                     * Trace.check(primarykeycolumn==-1,Trace.SECOND_PRIMARY_KEY,sColumn);
                     * sToken=tTokenizer.getstring();
                     * primarykeycolumn=column;
                     * }
                     *
                     * if(sToken.Equals("PRIMARY")) {
                     * tTokenizer.getThis("KEY");
                     * Trace.check(identity || primarykeycolumn==-1,
                     * Trace.SECOND_PRIMARY_KEY,sColumn);
                     * primarykeycolumn=column;
                     * //sToken=tTokenizer.getstring();
                     * }
                     * //end of STOLEN...
                     */
                    swapTable.AddColumn (cName, iType, nullable,
                        identity);    // under construction...

                    if (initialTable.ColumnCount
                        < initialTable.InternalColumnCount) {
                        swapTable.CreatePrimaryKey ();
                    } else {
                        swapTable.CreatePrimaryKey (initialTable.PrimaryIndex.Columns [0]);
                    }

                    // endof PrimaryKey...
                    // sa ne farimam cu indicii... ;-((
                    Index idx = null;

                    while (true) {
                        idx = initialTable.GetNextIndex (idx);

                        if (idx == null) {
                            break;
                        }

                        if (idx == initialTable.PrimaryIndex) {
                            continue;
                        }

                        swapTable.CreateIndex (idx);
                    }

                    // end of Index...
                    cChannel.Commit ();
                    dDatabase.LinkTable (swapTable);

                    Tokenizer tmpTokenizer = new Tokenizer ("SELECT * FROM "
                                             + tName);
                    Parser pp = new Parser (dDatabase, tmpTokenizer, cChannel);
                    string ff = tmpTokenizer.GetString ();

                    if (!initialTable.IsEmpty) {
                        Record n = ((Result)pp.ProcessSelect ()).Root;

                        do {
                            object[] row = swapTable.NewRow;
                            object[] row1 = n.Data;

                            for (int i = 0; i < initialTable.ColumnCount;
                                i++) {
                                row [i] = row1 [i];
                            }

                            swapTable.InsertNoCheck (row, cChannel);

                            n = n.Next;
                        } while (n != null);
                    }

                    dDatabase.Execute ("DROP TABLE " + tName, cChannel);

                    // cream tabelul vechi cu proprietatile celui nou...
                    initialTable = new Table (dDatabase, true, tName,
                        swapTable.IsCached);

                    for (int i = 0; i < swapTable.ColumnCount; i++) {
                        Column aColumn = swapTable.GetColumn (i);

                        initialTable.AddColumn (aColumn);
                    }

                    if (swapTable.ColumnCount
                        < swapTable.InternalColumnCount) {
                        initialTable.CreatePrimaryKey ();
                    } else {
                        initialTable.CreatePrimaryKey (swapTable.PrimaryIndex.Columns [0]);
                    }

                    // endof PrimaryKey...
                    // sa ne farimam cu indicii... ;-((
                    idx = null;

                    while (true) {
                        idx = swapTable.GetNextIndex (idx);

                        if (idx == null) {
                            break;
                        }

                        if (idx == swapTable.PrimaryIndex) {
                            continue;
                        }

                        initialTable.CreateIndex (idx);
                    }

                    // end of Index...
                    cChannel.Commit ();
                    dDatabase.LinkTable (initialTable);

                    // end of cream...
                    // copiem datele din swap in tabel...
                    tmpTokenizer = new Tokenizer ("SELECT * FROM " + swap);
                    pp = new Parser (dDatabase, tmpTokenizer, cChannel);
                    ff = tmpTokenizer.GetString ();

                    if (!swapTable.IsEmpty) {
                        Record n = ((Result)pp.ProcessSelect ()).Root;

                        do {
                            object[] row = initialTable.NewRow;
                            object[] row1 = n.Data;

                            for (int i = 0; i < swapTable.ColumnCount; i++) {
                                row [i] = row1 [i];
                            }

                            initialTable.InsertNoCheck (row, cChannel);

                            n = n.Next;
                        } while (n != null);

                        // end of copiem...
                    }

                    dDatabase.Execute ("DROP TABLE " + swap, cChannel);

                    count = 4;
                } else {
                    throw TracingHelper.Error (TracingHelper.UnexpectedToken, token);
                }
            } else if (token.Equals ("DELETE")) {
                token = tTokenizer.GetString ();

                if (token.Equals ("COLUMN")) {
                    Table swapTable = new Table (dDatabase, true, swap,
                                          initialTable.IsCached);
                    string cName = tTokenizer.GetString ();
                    int undesired = initialTable.GetColumnNumber (cName);

                    for (int i = 0; i < initialTable.ColumnCount; i++) {
                        Column aColumn = initialTable.GetColumn (i);

                        if (i != undesired) {
                            swapTable.AddColumn (aColumn);
                        }
                    }

                    int pKey = -1;

                    // !--
                    if (initialTable.ColumnCount
                        < initialTable.InternalColumnCount) {
                        swapTable.CreatePrimaryKey ();
                    } else {
                        int[] cols = initialTable.PrimaryIndex.Columns;

                        pKey = cols [0];

                        if ((cols [0] > undesired)
                            || (cols [0] + cols.Length < undesired)) {
                            if (undesired
                                < initialTable.PrimaryIndex.Columns [0]) {

                                // reindexarea...
                                for (int i = 0; i < cols.Length; i++) {
                                    cols [i]--;
                                }

                                // endOf reindexarea...
                            }
                            // MT: This initially wouldn't compile, missing the array index on cols[]
                            swapTable.CreatePrimaryKey (cols [0]);
                        } else {
                            swapTable.CreatePrimaryKey ();
                        }
                    }

                    // endof PrimaryKey...
                    // sa ne farimam cu indicii... ;-((
                    Index idx = null;

                    while (true) {
                        idx = initialTable.GetNextIndex (idx);

                        if (idx == null) {
                            break;
                        }

                        if (idx == initialTable.PrimaryIndex) {
                            continue;
                        }

                        bool flag = true;
                        int[] cols = idx.Columns;

                        for (int i = 0; i < cols.Length; i++) {
                            if (cols [i] == undesired) {
                                flag = false;
                            }
                        }

                        if (flag) {
                            Index tIdx;

                            for (int i = 0; i < cols.Length; i++) {
                                if (cols [i] > undesired) {
                                    cols [i]--;
                                }
                            }

                            tIdx = new Index (idx.Name, idx.Columns, idx.ColumnType, idx.IsUnique);

                            swapTable.CreateIndex (tIdx);
                        }
                    }

                    // !--
                    cChannel.Commit ();
                    dDatabase.LinkTable (swapTable);

                    Tokenizer tmpTokenizer = new Tokenizer ("SELECT * FROM "
                                             + tName);
                    Parser pp = new Parser (dDatabase, tmpTokenizer, cChannel);
                    string ff = tmpTokenizer.GetString ();

                    if (!initialTable.IsEmpty) {
                        Record n = ((Result)pp.ProcessSelect ()).Root;

                        do {
                            object[] row = swapTable.NewRow;
                            object[] row1 = n.Data;
                            int j = 0;

                            for (int i = 0; i < initialTable.ColumnCount;
                                i++) {
                                if (i != undesired) {
                                    row [j] = row1 [i];
                                    j++;
                                }
                            }

                            swapTable.InsertNoCheck (row, cChannel);

                            n = n.Next;
                        } while (n != null);
                    }

                    dDatabase.Execute ("DROP TABLE " + tName, cChannel);

                    // cream tabelul vechi cu proprietatile celui nou...
                    initialTable = new Table (dDatabase, true, tName,
                        swapTable.IsCached);

                    for (int i = 0; i < swapTable.ColumnCount; i++) {
                        Column aColumn = swapTable.GetColumn (i);

                        initialTable.AddColumn (aColumn);
                    }

                    // !--
                    if (swapTable.ColumnCount
                        < swapTable.InternalColumnCount) {
                        initialTable.CreatePrimaryKey ();
                    } else {
                        initialTable.CreatePrimaryKey (swapTable.PrimaryIndex.Columns [0]);
                    }

                    // endof PrimaryKey...
                    // sa ne farimam cu indicii... ;-((
                    idx = null;

                    while (true) {
                        idx = swapTable.GetNextIndex (idx);

                        if (idx == null) {
                            break;
                        }

                        if (idx == swapTable.PrimaryIndex) {
                            continue;
                        }

                        initialTable.CreateIndex (idx);
                    }

                    // end of Index...
                    // !--
                    cChannel.Commit ();
                    dDatabase.LinkTable (initialTable);

                    // end of cream...
                    // copiem datele din swap in tabel...
                    tmpTokenizer = new Tokenizer ("SELECT * FROM " + swap);
                    pp = new Parser (dDatabase, tmpTokenizer, cChannel);
                    ff = tmpTokenizer.GetString ();

                    if (!swapTable.IsEmpty) {
                        Record n = ((Result)pp.ProcessSelect ()).Root;

                        do {
                            object[] row = initialTable.NewRow;
                            object[] row1 = n.Data;

                            for (int i = 0; i < swapTable.ColumnCount; i++) {
                                row [i] = row1 [i];
                            }

                            initialTable.InsertNoCheck (row, cChannel);

                            n = n.Next;
                        } while (n != null);

                        // end of copiem...
                    }

                    dDatabase.Execute ("DROP TABLE " + swap, cChannel);

                    count = 3;
                } else {
                    throw TracingHelper.Error (TracingHelper.UnexpectedToken, token);
                }

                count = 3;
            }

            Result r = new Result ();

            r.SetUpdateCount (count);

            return r;
        }