示例#1
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 /// <summary>
 /// Adds a single field-value pair to the given UPDATE statement.
 /// </summary>
 /// <typeparam name="TUpdate">The type of UPDATE statement.</typeparam>
 /// <param name="updateQuery">The UPDATE statement to operate on.</param>
 /// <param name="field">Field to update.</param>
 /// <param name="value">Expression that provides the field's new value.</param>
 /// <returns>The given UPDATE statement to enable fluent syntax.</returns>
 public static TUpdate Update <TUpdate>(this TUpdate updateQuery, Sql.Field field, Sql.IExpression value)
     where TUpdate : Sql.IUpdate
 => Update(updateQuery, new Sql.SetField(field, value));
示例#2
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 /// <summary>
 /// Adds a single field-value pair to the given UPDATE statement and sets the value with a
 /// new <see cref="Sql.Parameter"/> expression.
 /// </summary>
 /// <typeparam name="TUpdate">The type of UPDATE statement.</typeparam>
 /// <param name="updateQuery">The UPDATE statement to operate on.</param>
 /// <param name="field">Field to update.</param>
 /// <param name="parameterName">The parameter named used to construct the
 /// <see cref="Sql.Parameter"/> expression.</param>
 /// <returns>The given UPDATE statement to enable fluent syntax.</returns>
 public static TUpdate Update <TUpdate>(this TUpdate updateQuery, Sql.Field field, string parameterName)
     where TUpdate : Sql.IUpdate
 => Update(updateQuery, field, new Sql.Parameter(parameterName));
示例#3
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 /// <summary>
 /// Creates a new field object that is associated to the given table object.
 /// </summary>
 /// <param name="table">The table used as owner table for the new field object.</param>
 /// <param name="name">The field's name.</param>
 /// <param name="alias">The field's alias.</param>
 /// <returns>The newly created field object.</returns>
 public static Sql.Field Field(this Sql.ITable table, string name, string alias = null, Action <Sql.Field> fieldCfgFn = null)
 {
     Sql.Field field = new Sql.Field(name, table, alias);
     fieldCfgFn?.Invoke(field);
     return(field);
 }