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remove.go
41 lines (35 loc) · 1.13 KB
/
remove.go
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package ldb
import (
"context"
"fmt"
"strings"
"github.com/pkg/errors"
"admini.dev/admini/app/lib/database"
"admini.dev/admini/app/lib/schema/model"
"admini.dev/admini/app/util"
)
func Remove(ctx context.Context, db *database.Service, m *model.Model, fields []string, values []any, expected int, logger util.Logger) (int, error) {
if len(fields) == 0 {
return 0, errors.New("must provide at least one column")
}
if len(fields) != len(values) {
return 0, errors.Errorf("mismatched lengths between columns (%d) and values (%d)", len(fields), len(values))
}
where := strings.Builder{}
for idx, x := range fields {
if idx > 0 {
where.WriteString(" and ")
}
if db.Type.Placeholder == "?" {
where.WriteString(fmt.Sprintf(`%s%s%s = ?`, db.Type.Quote, x, db.Type.Quote))
} else {
where.WriteString(fmt.Sprintf(`%s%s%s = $%d`, db.Type.Quote, x, db.Type.Quote, idx+1))
}
}
q := database.SQLDelete(m.Path().Quoted(db.Type.Quote), where.String())
rowsAffected, err := db.Delete(ctx, q, nil, expected, logger, values...)
if err != nil {
return 0, errors.Wrap(err, "error deleting rows")
}
return rowsAffected, nil
}