45 lines
940 B
Go
45 lines
940 B
Go
//go:build rocksdb
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package blockstore
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import (
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"encoding/hex"
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"fmt"
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"github.com/linxGnu/grocksdb"
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)
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func GetBincode[T any](db *grocksdb.DB, cf *grocksdb.ColumnFamilyHandle, key []byte) (*T, error) {
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opts := grocksdb.NewDefaultReadOptions()
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res, err := db.GetCF(opts, cf, key)
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if err != nil {
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return nil, err
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}
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if !res.Exists() {
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return nil, ErrNotFound
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}
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defer res.Free()
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return ParseBincode[T](res.Data())
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}
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func MultiGetBincode[T any](db *grocksdb.DB, cf *grocksdb.ColumnFamilyHandle, key ...[]byte) ([]*T, error) {
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opts := grocksdb.NewDefaultReadOptions()
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rows, err := db.MultiGetCF(opts, cf, key...)
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if err != nil {
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return nil, err
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}
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defer rows.Destroy()
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vals := make([]*T, len(rows))
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for i, row := range rows {
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val, err := ParseBincode[T](row.Data())
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if err != nil {
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fmt.Printf("cannot decode %s: %s", hex.EncodeToString(key[i]), err)
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return nil, err
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}
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vals[i] = val
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}
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return vals, nil
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}
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