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71 lines
2.1 KiB
71 lines
2.1 KiB
// Copyright (c) 2012-present The upper.io/db authors. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in 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,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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package adapter
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// RawExpr interface represents values that can bypass SQL filters. This is an
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// exported interface but it's rarely used directly, you may want to use the
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// `db.Raw()` function instead.
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type RawExpr struct {
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value string
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args *[]interface{}
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}
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func (r *RawExpr) Arguments() []interface{} {
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if r.args != nil {
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return *r.args
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}
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return nil
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}
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func (r RawExpr) Raw() string {
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return r.value
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}
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func (r RawExpr) String() string {
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return r.Raw()
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}
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// Expressions returns a logical expressio.n
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func (r *RawExpr) Expressions() []LogicalExpr {
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return []LogicalExpr{r}
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}
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// Operator returns the default compound operator.
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func (r RawExpr) Operator() LogicalOperator {
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return LogicalOperatorNone
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}
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// Empty return false if this struct has no value.
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func (r *RawExpr) Empty() bool {
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return r.value == ""
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}
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func NewRawExpr(value string, args []interface{}) *RawExpr {
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r := &RawExpr{value: value, args: nil}
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if len(args) > 0 {
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r.args = &args
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}
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return r
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}
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var _ = LogicalExpr(&RawExpr{})
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