mirror of https://github.com/go-gorm/gorm.git
39 lines
734 B
Go
39 lines
734 B
Go
package clause
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type OrderBy struct {
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Column Column
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Desc bool
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Reorder bool
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}
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type OrderByClause struct {
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Columns []OrderBy
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}
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// Name where clause name
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func (orderBy OrderByClause) Name() string {
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return "ORDER BY"
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}
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// Build build where clause
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func (orderBy OrderByClause) Build(builder Builder) {
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for i := len(orderBy.Columns) - 1; i >= 0; i-- {
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builder.WriteQuoted(orderBy.Columns[i].Column)
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if orderBy.Columns[i].Desc {
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builder.Write(" DESC")
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}
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if orderBy.Columns[i].Reorder {
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break
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}
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}
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}
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// MergeExpression merge order by clauses
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func (orderBy OrderByClause) MergeExpression(expr Expression) {
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if v, ok := expr.(OrderByClause); ok {
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orderBy.Columns = append(v.Columns, orderBy.Columns...)
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}
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}
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