forked from golang/hotime
87 lines
3.2 KiB
Go
87 lines
3.2 KiB
Go
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// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package options
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// DeleteOptions represents options that can be used to configure DeleteOne and DeleteMany operations.
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type DeleteOptions struct {
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// Specifies a collation to use for string comparisons during the operation. This option is only valid for MongoDB
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// versions >= 3.4. For previous server versions, the driver will return an error if this option is used. The
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// default value is nil, which means the default collation of the collection will be used.
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Collation *Collation
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// A string or document that will be included in server logs, profiling logs, and currentOp queries to help trace
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// the operation. The default value is nil, which means that no comment will be included in the logs.
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Comment interface{}
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// The index to use for the operation. This should either be the index name as a string or the index specification
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// as a document. This option is only valid for MongoDB versions >= 4.4. Server versions >= 3.4 will return an error
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// if this option is specified. For server versions < 3.4, the driver will return a client-side error if this option
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// is specified. The driver will return an error if this option is specified during an unacknowledged write
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// operation. The driver will return an error if the hint parameter is a multi-key map. The default value is nil,
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// which means that no hint will be sent.
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Hint interface{}
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// Specifies parameters for the delete expression. This option is only valid for MongoDB versions >= 5.0. Older
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// servers will report an error for using this option. This must be a document mapping parameter names to values.
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// Values must be constant or closed expressions that do not reference document fields. Parameters can then be
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// accessed as variables in an aggregate expression context (e.g. "$$var").
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Let interface{}
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}
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// Delete creates a new DeleteOptions instance.
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func Delete() *DeleteOptions {
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return &DeleteOptions{}
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}
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// SetCollation sets the value for the Collation field.
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func (do *DeleteOptions) SetCollation(c *Collation) *DeleteOptions {
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do.Collation = c
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return do
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}
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// SetComment sets the value for the Comment field.
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func (do *DeleteOptions) SetComment(comment interface{}) *DeleteOptions {
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do.Comment = comment
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return do
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}
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// SetHint sets the value for the Hint field.
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func (do *DeleteOptions) SetHint(hint interface{}) *DeleteOptions {
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do.Hint = hint
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return do
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}
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// SetLet sets the value for the Let field.
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func (do *DeleteOptions) SetLet(let interface{}) *DeleteOptions {
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do.Let = let
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return do
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}
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// MergeDeleteOptions combines the given DeleteOptions instances into a single DeleteOptions in a last-one-wins fashion.
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func MergeDeleteOptions(opts ...*DeleteOptions) *DeleteOptions {
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dOpts := Delete()
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for _, do := range opts {
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if do == nil {
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continue
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}
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if do.Collation != nil {
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dOpts.Collation = do.Collation
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}
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if do.Comment != nil {
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dOpts.Comment = do.Comment
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}
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if do.Hint != nil {
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dOpts.Hint = do.Hint
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}
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if do.Let != nil {
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dOpts.Let = do.Let
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}
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}
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return dOpts
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}
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