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630 B

package clause
// From from clause
type From struct {
Tables []Table
Joins []Join
}
// Name from clause name
func (from From) Name() string {
return "FROM"
}
// Build build from clause
func (from From) Build(builder Builder) {
if len(from.Tables) > 0 {
for idx, table := range from.Tables {
if idx > 0 {
builder.WriteByte(',')
}
builder.WriteQuoted(table)
}
} else {
builder.WriteQuoted(currentTable)
}
for _, join := range from.Joins {
builder.WriteByte(' ')
join.Build(builder)
}
}
// MergeClause merge from clause
func (from From) MergeClause(clause *Clause) {
clause.Expression = from
}