5 // Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
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7 // Permission is hereby granted, free of charge, to any person obtaining a copy
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8 // of this software and associated documentation files (the "Software"), to deal
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9 // in the Software without restriction, including without limitation the rights
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10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 // copies of the Software, and to permit persons to whom the Software is
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12 // furnished to do so, subject to the following conditions:
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14 // The above copyright notice and this permission notice shall be included in
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15 // all copies or substantial portions of the Software.
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17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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26 using System.Collections.Generic;
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29 using DbLinq.Vendor;
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31 namespace DbLinq.Sqlite
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33 partial class SqliteSchemaLoader
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35 protected virtual IDataTableColumn ReadColumn(IDataReader dataReader, string table)
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37 var column = new DataTableColumn();
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38 column.TableSchema = "main";
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39 column.TableName = table;
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40 column.ColumnName = dataReader.GetString(1);
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41 column.UnpackRawDbType(dataReader.GetString(2));
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42 column.FullType = dataReader.GetString(2);
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43 column.Nullable = dataReader.GetInt64(3) == 0;
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44 column.PrimaryKey = dataReader.GetInt64(5) == 1;
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45 // SQLite says: if it is a primary key of integer type, then it is automatically generated
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46 column.Generated = column.PrimaryKey.Value && MapDbType(column.ColumnName, column) == typeof(int);
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50 protected override IList<IDataTableColumn> ReadColumns(IDbConnection connectionString, string databaseName)
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52 var sql = string.Format(SelectTablesFormat, "");
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53 const string pragma = @"PRAGMA table_info('{0}');";
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55 return Schema.DataCommand.Find<IDataTableColumn>(connectionString, sql, pragma, ReadColumn);
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