mirror of https://github.com/go-gorm/gorm.git
53 lines
814 B
Go
53 lines
814 B
Go
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package postgres
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import (
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"database/sql"
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"database/sql/driver"
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_ "github.com/lib/pq"
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"github.com/lib/pq/hstore"
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)
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type Hstore map[string]*string
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func (h Hstore) Value() (driver.Value, error) {
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hstore := hstore.Hstore{Map: map[string]sql.NullString{}}
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if len(h) == 0 {
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return nil, nil
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}
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for key, value := range h {
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var s sql.NullString
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if value != nil {
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s.String = *value
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s.Valid = true
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}
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hstore.Map[key] = s
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}
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return hstore.Value()
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}
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func (h *Hstore) Scan(value interface{}) error {
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hstore := hstore.Hstore{}
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if err := hstore.Scan(value); err != nil {
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return err
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}
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if len(hstore.Map) == 0 {
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return nil
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}
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*h = Hstore{}
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for k := range hstore.Map {
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if hstore.Map[k].Valid {
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s := hstore.Map[k].String
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(*h)[k] = &s
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} else {
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(*h)[k] = nil
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}
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}
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return nil
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}
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