mcs/class/FirebirdSql.Data.Firebird/FirebirdSql.Data.Firebird/DbSchema/FbViewPrivileges.cs

   1 /*
   2  *      Firebird ADO.NET Data provider for .NET and Mono
   3  *
   4  *         The contents of this file are subject to the Initial
   5  *         Developer's Public License Version 1.0 (the "License");
   6  *         you may not use this file except in compliance with the
   7  *         License. You may obtain a copy of the License at
   8  *         http://www.firebirdsql.org/index.php?op=doc&id=idpl
   9  *
  10  *         Software distributed under the License is distributed on
  11  *         an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
  12  *         express or implied. See the License for the specific
  13  *         language governing rights and limitations under the License.
  14  *
  15  *      Copyright (c) 2002, 2005 Carlos Guzman Alvarez
  16  *      All Rights Reserved.
  17  */
  18
  19 using System;
  20 using System.Data;
  21 using System.Globalization;
  22 using System.Text;
  23
  24 namespace FirebirdSql.Data.Firebird.DbSchema
  25 {
  26         internal class FbViewPrivileges : FbDbSchema
  27         {
  28                 #region Constructors
  29
  30                 public FbViewPrivileges() : base("ViewPrivileges")
  31                 {
  32                 }
  33
  34                 #endregion
  35
  36                 #region Protected Methods
  37
  38                 protected override StringBuilder GetCommandText(object[] restrictions)
  39                 {
  40                         StringBuilder sql = new StringBuilder();
  41                         StringBuilder where = new StringBuilder();
  42
  43                         sql.Append(
  44                                 @"SELECT " +
  45                                         "null AS VIEW_CATALOG, " +
  46                                         "null AS VIEW_SCHEMA, " +
  47                                         "priv.rdb$relation_name AS VIEW_NAME, " +
  48                                         "priv.rdb$user AS GRANTEE, " +
  49                                         "priv.rdb$grantor AS GRANTOR, " +
  50                                         "priv.rdb$privilege AS PRIVILEGE, " +
  51                                         "priv.rdb$grant_option AS WITH_GRANT " +
  52                                 "FROM " +
  53                                         "rdb$user_privileges priv " +
  54                                         "left join rdb$relations rel ON priv.rdb$relation_name = rel.rdb$relation_name");
  55
  56                         where.Append("priv.rdb$object_type = 0");
  57                         where.Append(" AND rel.rdb$view_source IS NOT NULL");
  58
  59                         if (restrictions != null)
  60                         {
  61                                 int index = 0;
  62
  63                                 /* VIEW_CATALOG */
  64                                 if (restrictions.Length >= 1 && restrictions[0] != null)
  65                                 {
  66                                 }
  67
  68                                 /* VIEW_SCHEMA */
  69                                 if (restrictions.Length >= 2 && restrictions[1] != null)
  70                                 {
  71                                 }
  72
  73                                 /* VIEW_NAME */
  74                                 if (restrictions.Length >= 3 && restrictions[2] != null)
  75                                 {
  76                                         where.AppendFormat(CultureInfo.CurrentCulture, " AND priv.rdb$relation_name = @p{0}", index++);
  77                                 }
  78
  79                                 /* GRANTOR */
  80                                 if (restrictions.Length >= 4 && restrictions[3] != null)
  81                                 {
  82                                         where.AppendFormat(CultureInfo.CurrentCulture, " AND priv.rdb$grantor = @p{0}", index++);
  83                                 }
  84
  85                                 /* GRANTEE */
  86                                 if (restrictions.Length >= 5 && restrictions[4] != null)
  87                                 {
  88                                         where.AppendFormat(CultureInfo.CurrentCulture, " AND priv.rdb$user = @p{0}", index++);
  89                                 }
  90                         }
  91
  92                         if (where.Length > 0)
  93                         {
  94                                 sql.AppendFormat(CultureInfo.CurrentCulture, " WHERE {0} ", where.ToString());
  95                         }
  96
  97                         sql.Append(" ORDER BY priv.rdb$relation_name, priv.rdb$user");
  98
  99                         return sql;
 100                 }
 101
 102                 #endregion
 103         }
 104 }