Revert "Temp8 tinymce"
This commit is contained in:
Warren Buckley
@@ -0,0 +1,250 @@
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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using umbraco.DataLayer.Utility.Table;
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using umbraco.DataLayer;
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using umbraco;
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namespace SqlCE4Umbraco
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{
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/// <summary>
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/// SQL Server implementation of <see cref="DefaultTableUtility<S>"/>.
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/// </summary>
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[Obsolete("The legacy installers are no longer used and will be removed from the codebase in the future")]
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public class SqlCETableUtility : DefaultTableUtility<SqlCEHelper>
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="SqlCETableUtility"/> class.
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/// </summary>
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/// <param name="sqlHelper">The SQL helper.</param>
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public SqlCETableUtility(SqlCEHelper sqlHelper)
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: base(sqlHelper)
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{ }
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#region DefaultTableUtility<SqlCEHelper> members
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/// <summary>
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/// Gets the table with the specified name.
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/// </summary>
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/// <param name="name">The name.</param>
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/// <returns>The table, or <c>null</c> if no table with that name exists.</returns>
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public override ITable GetTable(string name)
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{
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if (name == null)
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throw new ArgumentNullException("name");
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ITable table = null;
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// get name in correct casing
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using (var sqlHelper = SqlHelper)
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name = sqlHelper.ExecuteScalar<string>("SELECT name FROM sys.tables WHERE name=@name",
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sqlHelper.CreateParameter("name", name));
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if (name != null)
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{
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table = new DefaultTable(name);
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using (var sqlHelper = SqlHelper)
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using (IRecordsReader reader = sqlHelper.ExecuteReader(
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@"SELECT c.name AS Name, st.name AS DataType, c.max_length, c.is_nullable, c.is_identity
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FROM sys.tables AS t
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JOIN sys.columns AS c ON t.object_id = c.object_id
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JOIN sys.schemas AS s ON s.schema_id = t.schema_id
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JOIN sys.types AS ty ON ty.user_type_id = c.user_type_id
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JOIN sys.types st ON ty.system_type_id = st.user_type_id
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WHERE t.name = @name
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ORDER BY c.column_id", sqlHelper.CreateParameter("name", name)))
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{
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while (reader.Read())
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{
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table.AddField(table.CreateField(reader.GetString("Name"), GetType(reader)));
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}
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}
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}
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return table;
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}
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/// <summary>
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/// Saves or updates the table.
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/// </summary>
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/// <param name="table">The table to be saved.</param>
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public override void SaveTable(ITable table)
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{
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if (table == null)
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throw new ArgumentNullException("table");
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ITable oldTable = GetTable(table.Name);
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// create the table if it didn't exist, update fields otherwise
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if (oldTable == null)
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{
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CreateTable(table);
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}
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else
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{
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foreach (IField field in table)
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{
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// create the field if it did't exist in the old table
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if (oldTable.FindField(field.Name)==null)
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{
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CreateColumn(table, field);
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}
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}
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}
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}
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#endregion
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#region Protected Helper Methods
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/// <summary>
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/// Creates the table in the data source.
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/// </summary>
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/// <param name="table">The table.</param>
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protected virtual void CreateTable(ITable table)
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{
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Debug.Assert(table != null);
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// create enumerator and check for first field
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IEnumerator<IField> fieldEnumerator = table.GetEnumerator();
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bool hasNext = fieldEnumerator.MoveNext();
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if(!hasNext)
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throw new ArgumentException("The table must contain at least one field.");
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// create query
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StringBuilder createTableQuery = new StringBuilder();
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using (var sqlHelper = SqlHelper)
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createTableQuery.AppendFormat("CREATE TABLE [{0}] (", sqlHelper.EscapeString(table.Name));
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// add fields
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while (hasNext)
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{
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// add field name and type
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IField field = fieldEnumerator.Current;
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createTableQuery.Append('[').Append(field.Name).Append(']');
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createTableQuery.Append(' ').Append(GetDatabaseType(field));
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// append comma if a following field exists
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hasNext = fieldEnumerator.MoveNext();
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if (hasNext)
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{
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createTableQuery.Append(',');
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}
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}
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// close CREATE TABLE x (...) bracket
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createTableQuery.Append(')');
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// execute query
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try
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{
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using (var sqlHelper = SqlHelper)
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sqlHelper.ExecuteNonQuery(createTableQuery.ToString());
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}
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catch (Exception executeException)
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{
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throw new UmbracoException(String.Format("Could not create table '{0}'.", table), executeException);
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}
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}
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/// <summary>
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/// Creates a new column in the table.
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/// </summary>
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/// <param name="table">The table.</param>
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/// <param name="field">The field used to create the column.</param>
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protected virtual void CreateColumn(ITable table, IField field)
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{
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Debug.Assert(table != null && field != null);
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StringBuilder addColumnQuery = new StringBuilder();
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using (var sqlHelper = SqlHelper)
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addColumnQuery.AppendFormat("ALTER TABLE [{0}] ADD [{1}] {2}",
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sqlHelper.EscapeString(table.Name),
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sqlHelper.EscapeString(field.Name),
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sqlHelper.EscapeString(GetDatabaseType(field)));
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try
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{
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using (var sqlHelper = SqlHelper)
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sqlHelper.ExecuteNonQuery(addColumnQuery.ToString());
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}
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catch (Exception executeException)
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{
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throw new UmbracoException(String.Format("Could not create column '{0}' in table '{1}'.",
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field, table.Name), executeException);
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}
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}
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/// <summary>
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/// Gets the .Net type corresponding to the specified database data type.
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/// </summary>
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/// <param name="dataTypeReader">The data type reader.</param>
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/// <returns>The .Net type</returns>
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protected virtual Type GetType(IRecordsReader dataTypeReader)
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{
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string typeName = dataTypeReader.GetString("DataType");
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switch (typeName)
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{
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case "bit": return typeof(bool);
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case "tinyint": return typeof(byte);
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case "datetime": return typeof(DateTime);
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// TODO: return different decimal type according to field precision
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case "decimal": return typeof(decimal);
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case "uniqueidentifier": return typeof(Guid);
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case "smallint": return typeof(Int16);
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case "int": return typeof(Int32);
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case "bigint": return typeof(Int64);
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case "nvarchar": return typeof(string);
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default:
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throw new ArgumentException(String.Format("Cannot convert database type '{0}' to a .Net type.",
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typeName));
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}
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}
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/// <summary>
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/// Gets the database type corresponding to the field, complete with field properties.
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/// </summary>
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/// <param name="field">The field.</param>
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/// <returns>The database type.</returns>
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protected virtual string GetDatabaseType(IField field)
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{
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StringBuilder fieldBuilder = new StringBuilder();
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fieldBuilder.Append(GetDatabaseTypeName(field));
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fieldBuilder.Append(field.HasProperty(FieldProperties.Identity) ? " IDENTITY(1,1)" : String.Empty);
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fieldBuilder.Append(field.HasProperty(FieldProperties.NotNull) ? " NOT NULL" : " NULL");
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return fieldBuilder.ToString();
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}
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/// <summary>
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/// Gets the name of the database type, without field properties.
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/// </summary>
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/// <param name="field">The field.</param>
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/// <returns></returns>
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protected virtual string GetDatabaseTypeName(IField field)
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{
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switch (field.DataType.FullName)
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{
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case "System.Boolean": return "bit";
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case "System.Byte": return "tinyint";
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case "System.DateTime": return "datetime";
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case "System.Decimal": return "decimal(28)";
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case "System.Double": return "decimal(15)";
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case "System.Single": return "decimal(7)";
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case "System.Guid": return "uniqueidentifier";
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case "System.Int16": return "smallint";
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case "System.Int32": return "int";
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case "System.Int64": return "bigint";;
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case "System.String":
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string type = "nvarchar";
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return field.Size == 0 ? type : String.Format("{0}({1})", type, field.Size);
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default:
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throw new ArgumentException(String.Format("Cannot convert '{0}' to a database type.", field));
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}
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}
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#endregion
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}
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}
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