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field.go
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field.go
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package jdb
import "github.com/silas/jdb/dialect"
type SelectField interface {
toSelectField() string
}
type WhereField interface {
toWhereField() string
Asc() Order
Desc() Order
}
type SelectColumn struct {
n string
}
func (c SelectColumn) toSelectField() string {
return c.n
}
type SelectWhereColumn struct {
n string
}
func (c SelectWhereColumn) toSelectField() string {
return c.n
}
func (c SelectWhereColumn) toWhereField() string {
return c.n
}
func (c SelectWhereColumn) Asc() Order {
return Order{c, false}
}
func (c SelectWhereColumn) Desc() Order {
return Order{c, true}
}
type WhereColumn struct {
n string
}
func (c WhereColumn) toWhereField() string {
return c.n
}
func (c WhereColumn) Asc() Order {
return Order{c, false}
}
func (c WhereColumn) Desc() Order {
return Order{c, true}
}
var (
idField = SelectWhereColumn{"id"}
kindField = SelectWhereColumn{"kind"}
parentKindField = SelectWhereColumn{"parent_kind"}
parentIdField = SelectWhereColumn{"parent_id"}
uniqueStringKeyField = WhereColumn{"unique_string_key"}
stringKeyField = WhereColumn{"string_key"}
numericKeyField = WhereColumn{"numeric_key"}
timeKeyField = WhereColumn{"time_key"}
dataField = SelectColumn{"data"}
createTimeField = SelectWhereColumn{"create_time"}
updateTimeField = SelectWhereColumn{"update_time"}
)
type PathField struct {
p dialect.Path
}
func (p PathField) toWhereField() string {
return p.p.JSONExtract("data")
}
func (p PathField) Asc() Order {
return Order{p, false}
}
func (p PathField) Desc() Order {
return Order{p, true}
}
func (p PathField) Key(key string) PathField {
p.p.Key(key)
return p
}
func (p PathField) Index(index int) PathField {
p.p.Index(index)
return p
}