forked from mirrors/gotosocial
07727753b9
* Add whereNotEmptyAndNotNull * Add GetRemoteOlderThanDays * Add GetRemoteOlderThanDays * Add PruneRemote to Manager interface * Start implementing PruneRemote * add new attachment + status to tests * fix up and test GetRemoteOlderThan * fix bad import * PruneRemote: return number pruned * add Cached column to mediaattachment * update + test pruneRemote * update mediaTest * use Cached column * upstep bun to latest version * embed structs in mediaAttachment * migrate mediaAttachment to new format * don't default cached to true * select only remote media * update db dependencies * step bun back to last working version * update pruneRemote to use Cached field * fix storage path of test attachments * add recache logic to manager * fix trimmed aspect ratio * test prune and recache * return errwithcode * tidy up different paths for emoji vs attachment * fix incorrect thumbnail type being stored * expose TransportController to media processor * implement tee-ing recached content * add thoughts of dog to test fedi attachments * test get remote files * add comment on PruneRemote * add postData cleanup to recache * test thumbnail fetching * add incredible diagram * go mod tidy * buffer pipes for recache streaming * test for client stops reading after 1kb * add media-remote-cache-days to config * add cron package * wrap logrus so it's available to cron * start and stop cron jobs gracefully
469 lines
9.6 KiB
Go
469 lines
9.6 KiB
Go
package bun
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"github.com/uptrace/bun/dialect/feature"
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"github.com/uptrace/bun/internal"
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"github.com/uptrace/bun/schema"
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)
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type UpdateQuery struct {
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whereBaseQuery
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returningQuery
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customValueQuery
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setQuery
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omitZero bool
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}
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var _ Query = (*UpdateQuery)(nil)
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func NewUpdateQuery(db *DB) *UpdateQuery {
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q := &UpdateQuery{
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whereBaseQuery: whereBaseQuery{
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baseQuery: baseQuery{
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db: db,
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conn: db.DB,
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},
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},
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}
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return q
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}
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func (q *UpdateQuery) Conn(db IConn) *UpdateQuery {
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q.setConn(db)
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return q
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}
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func (q *UpdateQuery) Model(model interface{}) *UpdateQuery {
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q.setTableModel(model)
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return q
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}
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// Apply calls the fn passing the SelectQuery as an argument.
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func (q *UpdateQuery) Apply(fn func(*UpdateQuery) *UpdateQuery) *UpdateQuery {
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return fn(q)
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}
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func (q *UpdateQuery) With(name string, query schema.QueryAppender) *UpdateQuery {
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q.addWith(name, query)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) Table(tables ...string) *UpdateQuery {
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for _, table := range tables {
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q.addTable(schema.UnsafeIdent(table))
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}
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return q
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}
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func (q *UpdateQuery) TableExpr(query string, args ...interface{}) *UpdateQuery {
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q.addTable(schema.SafeQuery(query, args))
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return q
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}
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func (q *UpdateQuery) ModelTableExpr(query string, args ...interface{}) *UpdateQuery {
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q.modelTableName = schema.SafeQuery(query, args)
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return q
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) Column(columns ...string) *UpdateQuery {
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for _, column := range columns {
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q.addColumn(schema.UnsafeIdent(column))
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}
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return q
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}
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func (q *UpdateQuery) ExcludeColumn(columns ...string) *UpdateQuery {
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q.excludeColumn(columns)
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return q
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}
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func (q *UpdateQuery) Set(query string, args ...interface{}) *UpdateQuery {
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q.addSet(schema.SafeQuery(query, args))
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return q
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}
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// Value overwrites model value for the column.
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func (q *UpdateQuery) Value(column string, expr string, args ...interface{}) *UpdateQuery {
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if q.table == nil {
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q.err = errNilModel
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return q
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}
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q.addValue(q.table, column, expr, args)
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return q
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}
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func (q *UpdateQuery) OmitZero() *UpdateQuery {
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q.omitZero = true
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return q
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) WherePK(cols ...string) *UpdateQuery {
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q.addWhereCols(cols)
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return q
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}
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func (q *UpdateQuery) Where(query string, args ...interface{}) *UpdateQuery {
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q.addWhere(schema.SafeQueryWithSep(query, args, " AND "))
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return q
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}
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func (q *UpdateQuery) WhereOr(query string, args ...interface{}) *UpdateQuery {
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q.addWhere(schema.SafeQueryWithSep(query, args, " OR "))
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return q
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}
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func (q *UpdateQuery) WhereGroup(sep string, fn func(*UpdateQuery) *UpdateQuery) *UpdateQuery {
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saved := q.where
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q.where = nil
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q = fn(q)
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where := q.where
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q.where = saved
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q.addWhereGroup(sep, where)
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return q
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}
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func (q *UpdateQuery) WhereDeleted() *UpdateQuery {
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q.whereDeleted()
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return q
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}
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func (q *UpdateQuery) WhereAllWithDeleted() *UpdateQuery {
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q.whereAllWithDeleted()
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return q
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}
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//------------------------------------------------------------------------------
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// Returning adds a RETURNING clause to the query.
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//
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// To suppress the auto-generated RETURNING clause, use `Returning("NULL")`.
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func (q *UpdateQuery) Returning(query string, args ...interface{}) *UpdateQuery {
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q.addReturning(schema.SafeQuery(query, args))
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return q
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}
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func (q *UpdateQuery) hasReturning() bool {
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if !q.db.features.Has(feature.Returning) {
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return false
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}
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return q.returningQuery.hasReturning()
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) Operation() string {
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return "UPDATE"
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}
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func (q *UpdateQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) {
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if q.err != nil {
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return nil, q.err
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}
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fmter = formatterWithModel(fmter, q)
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b, err = q.appendWith(fmter, b)
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if err != nil {
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return nil, err
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}
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b = append(b, "UPDATE "...)
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if fmter.HasFeature(feature.UpdateMultiTable) {
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b, err = q.appendTablesWithAlias(fmter, b)
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} else {
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b, err = q.appendFirstTableWithAlias(fmter, b)
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}
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if err != nil {
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return nil, err
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}
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b, err = q.mustAppendSet(fmter, b)
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if err != nil {
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return nil, err
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}
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if !fmter.HasFeature(feature.UpdateMultiTable) {
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b, err = q.appendOtherTables(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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b, err = q.mustAppendWhere(fmter, b, true)
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if err != nil {
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return nil, err
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}
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if len(q.returning) > 0 {
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b, err = q.appendReturning(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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return b, nil
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}
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func (q *UpdateQuery) mustAppendSet(fmter schema.Formatter, b []byte) (_ []byte, err error) {
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b = append(b, " SET "...)
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if len(q.set) > 0 {
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return q.appendSet(fmter, b)
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}
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if m, ok := q.model.(*mapModel); ok {
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return m.appendSet(fmter, b), nil
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}
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if q.tableModel == nil {
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return nil, errNilModel
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}
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switch model := q.tableModel.(type) {
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case *structTableModel:
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b, err = q.appendSetStruct(fmter, b, model)
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if err != nil {
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return nil, err
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}
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case *sliceTableModel:
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return nil, errors.New("bun: to bulk Update, use CTE and VALUES")
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default:
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return nil, fmt.Errorf("bun: Update does not support %T", q.tableModel)
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}
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return b, nil
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}
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func (q *UpdateQuery) appendSetStruct(
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fmter schema.Formatter, b []byte, model *structTableModel,
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) ([]byte, error) {
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fields, err := q.getDataFields()
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if err != nil {
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return nil, err
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}
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isTemplate := fmter.IsNop()
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pos := len(b)
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for _, f := range fields {
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if q.omitZero && f.HasZeroValue(model.strct) {
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continue
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}
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if len(b) != pos {
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b = append(b, ", "...)
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pos = len(b)
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}
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b = append(b, f.SQLName...)
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b = append(b, " = "...)
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if isTemplate {
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b = append(b, '?')
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continue
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}
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app, ok := q.modelValues[f.Name]
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if ok {
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b, err = app.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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} else {
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b = f.AppendValue(fmter, b, model.strct)
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}
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}
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for i, v := range q.extraValues {
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if i > 0 || len(fields) > 0 {
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b = append(b, ", "...)
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}
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b = append(b, v.column...)
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b = append(b, " = "...)
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b, err = v.value.AppendQuery(fmter, b)
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if err != nil {
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return nil, err
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}
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}
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return b, nil
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}
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func (q *UpdateQuery) appendOtherTables(fmter schema.Formatter, b []byte) (_ []byte, err error) {
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if !q.hasMultiTables() {
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return b, nil
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}
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b = append(b, " FROM "...)
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b, err = q.whereBaseQuery.appendOtherTables(fmter, b)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) Bulk() *UpdateQuery {
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model, ok := q.model.(*sliceTableModel)
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if !ok {
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q.setErr(fmt.Errorf("bun: Bulk requires a slice, got %T", q.model))
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return q
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}
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set, err := q.updateSliceSet(q.db.fmter, model)
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if err != nil {
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q.setErr(err)
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return q
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}
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values := q.db.NewValues(model)
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values.customValueQuery = q.customValueQuery
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return q.With("_data", values).
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Model(model).
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TableExpr("_data").
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Set(set).
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Where(q.updateSliceWhere(model))
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}
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func (q *UpdateQuery) updateSliceSet(
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fmter schema.Formatter, model *sliceTableModel,
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) (string, error) {
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fields, err := q.getDataFields()
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if err != nil {
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return "", err
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}
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var b []byte
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for i, field := range fields {
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if i > 0 {
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b = append(b, ", "...)
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}
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if fmter.HasFeature(feature.UpdateMultiTable) {
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b = append(b, model.table.SQLAlias...)
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b = append(b, '.')
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}
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b = append(b, field.SQLName...)
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b = append(b, " = _data."...)
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b = append(b, field.SQLName...)
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}
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return internal.String(b), nil
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}
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func (db *UpdateQuery) updateSliceWhere(model *sliceTableModel) string {
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var b []byte
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for i, pk := range model.table.PKs {
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if i > 0 {
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b = append(b, " AND "...)
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}
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b = append(b, model.table.SQLAlias...)
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b = append(b, '.')
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b = append(b, pk.SQLName...)
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b = append(b, " = _data."...)
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b = append(b, pk.SQLName...)
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}
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return internal.String(b)
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}
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//------------------------------------------------------------------------------
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func (q *UpdateQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
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if q.err != nil {
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return nil, q.err
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}
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if q.table != nil {
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if err := q.beforeUpdateHook(ctx); err != nil {
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return nil, err
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}
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}
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if err := q.beforeAppendModel(ctx, q); err != nil {
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return nil, err
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}
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queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
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if err != nil {
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return nil, err
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}
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query := internal.String(queryBytes)
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var res sql.Result
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if hasDest := len(dest) > 0; hasDest || q.hasReturning() {
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model, err := q.getModel(dest)
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if err != nil {
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return nil, err
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}
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res, err = q.scan(ctx, q, query, model, hasDest)
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if err != nil {
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return nil, err
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}
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} else {
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res, err = q.exec(ctx, q, query)
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if err != nil {
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return nil, err
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}
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}
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if q.table != nil {
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if err := q.afterUpdateHook(ctx); err != nil {
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return nil, err
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}
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}
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return res, nil
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}
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func (q *UpdateQuery) beforeUpdateHook(ctx context.Context) error {
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if hook, ok := q.table.ZeroIface.(BeforeUpdateHook); ok {
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if err := hook.BeforeUpdate(ctx, q); err != nil {
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return err
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}
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}
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return nil
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}
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func (q *UpdateQuery) afterUpdateHook(ctx context.Context) error {
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if hook, ok := q.table.ZeroIface.(AfterUpdateHook); ok {
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if err := hook.AfterUpdate(ctx, q); err != nil {
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return err
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}
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}
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return nil
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}
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// FQN returns a fully qualified column name. For MySQL, it returns the column name with
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// the table alias. For other RDBMS, it returns just the column name.
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func (q *UpdateQuery) FQN(column string) Ident {
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if q.table == nil {
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panic("UpdateQuery.FQN requires a model")
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}
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if q.db.HasFeature(feature.UpdateMultiTable) {
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return Ident(q.table.Alias + "." + column)
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}
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return Ident(column)
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}
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