mirror of https://github.com/perkeep/perkeep.git
56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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nYou may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mysqlindexer
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import (
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"os"
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"camli/blobref"
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)
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func (mi *Indexer) EnumerateBlobs(dest chan<- blobref.SizedBlobRef, after string, limit uint, waitSeconds int) os.Error {
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defer close(dest)
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rs, err := mi.db.Query("SELECT blobref, size FROM blobs WHERE blobref > ? ORDER BY blobref LIMIT ?",
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after, limit)
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if err != nil {
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return err
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}
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defer rs.Close()
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return readBlobRefSizeResults(dest, rs)
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}
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func readBlobRefSizeResults(dest chan<- blobref.SizedBlobRef, rs ResultSet) os.Error {
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var (
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blobstr string
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size int64
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)
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for rs.Next() {
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if err := rs.Scan(&blobstr, &size); err != nil {
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return err
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}
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br := blobref.Parse(blobstr)
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if br == nil {
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continue
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}
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dest <- blobref.SizedBlobRef{
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BlobRef: br,
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Size: size,
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}
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}
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return nil
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}
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