44 lines
841 B
Go
44 lines
841 B
Go
package sqlbuilder
|
|
|
|
import "errors"
|
|
|
|
type ExpressionTable interface {
|
|
ReadableTable
|
|
|
|
Alias() string
|
|
}
|
|
|
|
type expressionTableImpl struct {
|
|
readableTableInterfaceImpl
|
|
expression Expression
|
|
alias string
|
|
}
|
|
|
|
func newExpressionTable(expression Expression, alias string) ExpressionTable {
|
|
expTable := &expressionTableImpl{expression: expression, alias: alias}
|
|
|
|
expTable.readableTableInterfaceImpl.parent = expTable
|
|
|
|
return expTable
|
|
}
|
|
|
|
func (e *expressionTableImpl) Alias() string {
|
|
return e.alias
|
|
}
|
|
|
|
func (e *expressionTableImpl) serialize(statement statementType, out *queryData, options ...serializeOption) error {
|
|
if e == nil {
|
|
return errors.New("Expression table is nil. ")
|
|
}
|
|
|
|
err := e.expression.serialize(statement, out)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
out.writeString("AS")
|
|
out.writeIdentifier(e.alias)
|
|
|
|
return nil
|
|
}
|