forked from mirror/gorm
38 lines
717 B
Go
38 lines
717 B
Go
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package clause
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type Set []Assignment
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type Assignment struct {
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Column Column
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Value interface{}
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}
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func (set Set) Name() string {
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return "SET"
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}
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func (set Set) Build(builder Builder) {
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if len(set) > 0 {
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for idx, assignment := range set {
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if idx > 0 {
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builder.WriteByte(',')
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}
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builder.WriteQuoted(assignment.Column)
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builder.WriteByte('=')
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builder.Write(builder.AddVar(assignment.Value))
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}
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} else {
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builder.WriteQuoted(PrimaryColumn)
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builder.WriteByte('=')
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builder.WriteQuoted(PrimaryColumn)
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}
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}
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// MergeClause merge assignments clauses
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func (set Set) MergeClause(clause *Clause) {
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if v, ok := clause.Expression.(Set); ok {
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set = append(v, set...)
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}
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clause.Expression = set
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}
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