github.com/kunlun-qilian/sqlx/v3@v3.0.0/builder/addition_where.go (about)

     1  package builder
     2  
     3  import (
     4  	"context"
     5  )
     6  
     7  type WhereAddition struct{}
     8  
     9  func (WhereAddition) AdditionType() AdditionType {
    10  	return AdditionWhere
    11  }
    12  
    13  func Where(c SqlCondition) *where {
    14  	return &where{
    15  		condition: c,
    16  	}
    17  }
    18  
    19  var _ Addition = (*where)(nil)
    20  
    21  type where struct {
    22  	WhereAddition
    23  	condition SqlCondition
    24  }
    25  
    26  func (w *where) IsNil() bool {
    27  	return w == nil || IsNilExpr(w.condition)
    28  }
    29  
    30  func (w *where) Ex(ctx context.Context) *Ex {
    31  	e := Expr("WHERE ")
    32  	e.WriteExpr(w.condition)
    33  	return e.Ex(ctx)
    34  }