75 lines
3.0 KiB
C#
75 lines
3.0 KiB
C#
#region MIT license
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//
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// MIT license
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//
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// Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System.Collections.Generic;
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using System.Data;
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using DbLinq.Util;
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using DbLinq.Vendor;
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namespace DbLinq.Oracle
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{
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partial class OracleSchemaLoader
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{
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protected virtual IDataTableColumn ReadColumn(IDataReader rdr)
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{
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var column = new DataTableColumn();
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int field = 0;
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column.TableSchema = rdr.GetString(field++);
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column.TableName = rdr.GetString(field++);
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column.ColumnName = rdr.GetString(field++);
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column.SqlType = rdr.GetString(field++);
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column.Length = rdr.GetAsNullableNumeric<long>(field++);
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column.Precision = rdr.GetAsNullableNumeric<int>(field++);
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column.Scale = rdr.GetAsNullableNumeric<int>(field++);
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string nullableStr = rdr.GetString(field++);
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column.Nullable = nullableStr == "Y";
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column.FullType = column.SqlType;
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return column;
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}
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protected override IList<IDataTableColumn> ReadColumns(IDbConnection connectionString, string databaseName)
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{
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const string sql = @"
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SELECT owner, table_name, column_name,
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case when data_type like 'TIMESTAMP%' then 'TIMESTAMP'
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when data_type like 'INTERVAL%' then 'INTERVAL'
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else data_type
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end data_type ,
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data_length, data_precision, data_scale, nullable
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FROM all_tab_columns
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WHERE table_name NOT LIKE '%$%'
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AND table_name NOT LIKE 'LOGMNR%'
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AND table_name NOT LIKE 'MVIEW%'
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AND table_name NOT IN ('SQLPLUS_PRODUCT_PROFILE','HELP', 'PRODUCT_PRIVS')
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-- skip nested table columns
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AND data_type_owner is null
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AND lower(owner) = :owner
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ORDER BY table_name, column_id";
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return DataCommand.Find<IDataTableColumn>(connectionString, sql, ":owner", databaseName.ToLower(), ReadColumn);
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}
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}
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}
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