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35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
package indexpointers
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import (
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"fmt"
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"github.com/grafana/loki/v3/pkg/dataobj/internal/metadata/indexpointersmd"
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"github.com/grafana/loki/v3/pkg/dataobj/internal/streamio"
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"github.com/grafana/loki/v3/pkg/dataobj/internal/util/protocodec"
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)
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// decodeIndexPointersMetadata decodes indexpointers section metadata from r.
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func decodeIndexPointersMetadata(r streamio.Reader) (*indexpointersmd.Metadata, error) {
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gotVersion, err := streamio.ReadUvarint(r)
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if err != nil {
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return nil, fmt.Errorf("read indexpointers section format version: %w", err)
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} else if gotVersion != indexPointersFormatVersion {
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return nil, fmt.Errorf("unexpected indexpointers section format version: got=%d want=%d", gotVersion, indexPointersFormatVersion)
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}
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var md indexpointersmd.Metadata
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if err := protocodec.Decode(r, &md); err != nil {
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return nil, fmt.Errorf("indexpointers section metadata: %w", err)
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}
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return &md, nil
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}
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// decodeIndexPointersColumnMetadata decodes indexpointers column metadata from r.
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func decodeIndexPointersColumnMetadata(r streamio.Reader) (*indexpointersmd.ColumnMetadata, error) {
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var metadata indexpointersmd.ColumnMetadata
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if err := protocodec.Decode(r, &metadata); err != nil {
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return nil, fmt.Errorf("indexpointers column metadata: %w", err)
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}
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return &metadata, nil
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}
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