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calasql-query_3.0.1.5.source-code.Insert.scala Maven / Gradle / Ivy
package scalasql.query
import scalasql.core.{DialectTypeMappers, Queryable, Expr, WithSqlExpr}
/**
* A SQL `INSERT` query
*/
trait Insert[V[_[_]], R] extends WithSqlExpr[V[Column]] with scalasql.generated.Insert[V, R] {
def table: TableRef
def qr: Queryable[V[Column], R]
def select[C, R2](columns: V[Expr] => C, select: Select[C, R2]): InsertSelect[V, C, R, R2]
def columns(f: (V[Column] => Column.Assignment[?])*): InsertColumns[V, R]
def values(f: R*): InsertValues[V, R]
def batched[T1](f1: V[Column] => Column[T1])(items: Expr[T1]*): InsertColumns[V, R]
}
object Insert {
class Impl[V[_[_]], R](val expr: V[Column], val table: TableRef)(
implicit val qr: Queryable.Row[V[Column], R],
dialect: DialectTypeMappers
) extends Insert[V, R]
with scalasql.generated.InsertImpl[V, R] {
def newInsertSelect[C, R, R2](
insert: Insert[V, R],
columns: C,
select: Select[C, R2]
): InsertSelect[V, C, R, R2] = { new InsertSelect.Impl(insert, columns, select) }
def newInsertValues[R](
insert: Insert[V, R],
columns: Seq[Column[?]],
valuesLists: Seq[Seq[Expr[?]]]
)(implicit qr: Queryable[V[Column], R]): InsertColumns[V, R] = {
new InsertColumns.Impl(insert, columns, valuesLists)
}
def select[C, R2](columns: V[Expr] => C, select: Select[C, R2]): InsertSelect[V, C, R, R2] = {
newInsertSelect(this, columns(expr.asInstanceOf[V[Expr]]), select)
}
def columns(f: (V[Column] => Column.Assignment[?])*): InsertColumns[V, R] = {
val kvs = f.map(_(expr))
newInsertValues(this, columns = kvs.map(_.column), valuesLists = Seq(kvs.map(_.value)))
}
def batched[T1](f1: V[Column] => Column[T1])(items: Expr[T1]*): InsertColumns[V, R] = {
newInsertValues(this, columns = Seq(f1(expr)), valuesLists = items.map(Seq(_)))
}
override def values(values: R*): InsertValues[V, R] =
new InsertValues.Impl(this, values, dialect, qr, Nil)
}
}
