mirror of https://github.com/go-gorm/gorm.git
38 lines
630 B
Go
38 lines
630 B
Go
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
|
|
}
|