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builder.go
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builder.go
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// Package query assists in building SQL queries.
package query
import (
"database/sql"
)
type Update struct {
Updates, Conditions string
Params []interface{}
sep string
}
func NewUpdate() *Update {
return &Update{}
}
func (u *Update) Set(v, property string) *Update {
if v != "" {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetBytes(v []byte, property string) *Update {
if len(v) > 0 {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetStringPtr(v *string, property string) *Update {
if v != nil {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetIntPtr(v *int, property string) *Update {
if v != nil {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetBoolPtr(v *bool, property string) *Update {
if v != nil {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetNullBool(v *sql.NullBool, property string) *Update {
if v != nil {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) SetNullString(v *sql.NullString, property string) *Update {
if v != nil {
u.Updates += u.sep + property + " = ?"
u.sep = ", "
u.Params = append(u.Params, v)
}
return u
}
func (u *Update) Append(v interface{}) {
u.Params = append(u.Params, v)
}
func (u *Update) Where(condition string, params ...interface{}) *Update {
u.Conditions = condition
for _, p := range params {
u.Append(p)
}
return u
}

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