database

type AddNarInfoReferenceParams struct {
	NarInfoID int64
	Reference string
}

type AddNarInfoReferencesParams struct {
	NarInfoID int64
	Reference []string
}

type AddNarInfoSignatureParams struct {
	NarInfoID int64
	Signature string
}

type AddNarInfoSignaturesParams struct {
	NarInfoID int64
	Signature []string
}

type Chunk struct {
	ID             int64
	Hash           string
	Size           uint32
	CompressedSize uint32
	CreatedAt      time.Time
	UpdatedAt      sql.NullTime
}

type Config struct {
	ID        int64
	Key       string
	Value     string
	CreatedAt time.Time
	UpdatedAt sql.NullTime
}

type CreateChunkParams struct {
	Hash           string
	Size           uint32
	CompressedSize uint32
}

type CreateConfigParams struct {
	Key   string
	Value string
}

type CreateNarFileParams struct {
	Hash        string
	Compression string
	Query       string
	FileSize    uint64
	TotalChunks int64
}

type CreateNarInfoParams struct {
	Hash        string
	StorePath   sql.NullString
	URL         sql.NullString
	Compression sql.NullString
	FileHash    sql.NullString
	FileSize    sql.NullInt64
	NarHash     sql.NullString
	NarSize     sql.NullInt64
	Deriver     sql.NullString
	System      sql.NullString
	Ca          sql.NullString
}

type DeleteNarFileByHashParams struct {
	Hash        string
	Compression string
	Query       string
}

type GetChunkByNarFileIDAndIndexParams struct {
	NarFileID  int64
	ChunkIndex int64
}

type GetChunkByNarFileIDAndIndexRow struct {
	ID        int64
	Hash      string
	Size      uint32
	CreatedAt time.Time
	UpdatedAt sql.NullTime
}

type GetCompressedNarInfosParams struct {
	Limit  int32
	Offset int32
}

type GetMigratedNarInfoHashesPaginatedParams struct {
	Limit  int32
	Offset int32
}

type GetNarFileByHashAndCompressionAndQueryParams struct {
	Hash        string
	Compression string
	Query       string
}

type GetNarFilesToChunkRow struct {
	ID          int64
	Hash        string
	Compression string
	Query       string
	FileSize    uint64
}

type GetNarInfoHashesToChunkRow struct {
	Hash string
	URL  sql.NullString
}

type GetNarInfoURLByNarFileHashParams struct {
	Hash        string
	Compression string
	Query       string
}

type GetOldCompressedNarFilesParams struct {
	CreatedAt time.Time
	Limit     int32
	Offset    int32
}

type GetOrphanedChunksRow struct {
	ID        int64
	Hash      string
	Size      uint32
	CreatedAt time.Time
	UpdatedAt sql.NullTime
}

type LinkNarFileToChunkParams struct {
	NarFileID  int64
	ChunkID    int64
	ChunkIndex int64
}

type LinkNarFileToChunksParams struct {
	NarFileID  int64
	ChunkID    []int64
	ChunkIndex []int64
}

type LinkNarInfoToNarFileParams struct {
	NarInfoID int64
	NarFileID int64
}

type LinkNarInfosByURLToNarFileParams struct {
	NarFileID int64
	URL       sql.NullString
}

type NarFile struct {
	ID                int64
	Hash              string
	Compression       string
	FileSize          uint64
	Query             string
	CreatedAt         time.Time
	UpdatedAt         sql.NullTime
	LastAccessedAt    sql.NullTime
	TotalChunks       int64
	ChunkingStartedAt sql.NullTime
}

type NarInfo struct {
	ID             int64
	Hash           string
	CreatedAt      time.Time
	UpdatedAt      sql.NullTime
	LastAccessedAt sql.NullTime
	StorePath      sql.NullString
	URL            sql.NullString
	Compression    sql.NullString
	FileHash       sql.NullString
	FileSize       sql.NullInt64
	NarHash        sql.NullString
	NarSize        sql.NullInt64
	Deriver        sql.NullString
	System         sql.NullString
	Ca             sql.NullString
}

type PoolConfig struct {
	// MaxOpenConns is the maximum number of open connections to the database.
	// If <= 0, defaults are used based on database type.
	MaxOpenConns int
	// MaxIdleConns is the maximum number of connections in the idle connection pool.
	// If <= 0, defaults are used based on database type.
	MaxIdleConns int
}

type Querier interface {
	//AddNarInfoReference
	//
	//  INSERT INTO narinfo_references (
	//      narinfo_id, reference
	//  ) VALUES (
	//      $1, $2
	//  )
	//  ON CONFLICT (narinfo_id, reference) DO NOTHING
	AddNarInfoReference(ctx context.Context, arg AddNarInfoReferenceParams) error
	// @bulk-for AddNarInfoReference
	//
	//  INSERT INTO narinfo_references (
	//      narinfo_id, reference
	//  )
	//  SELECT $1, unnest($2::text[]) ON CONFLICT (narinfo_id, reference) DO NOTHING
	AddNarInfoReferences(ctx context.Context, arg AddNarInfoReferencesParams) error
	//AddNarInfoSignature
	//
	//  INSERT INTO narinfo_signatures (
	//      narinfo_id, signature
	//  ) VALUES (
	//      $1, $2
	//  )
	//  ON CONFLICT (narinfo_id, signature) DO NOTHING
	AddNarInfoSignature(ctx context.Context, arg AddNarInfoSignatureParams) error
	// @bulk-for AddNarInfoSignature
	//
	//  INSERT INTO narinfo_signatures (
	//      narinfo_id, signature
	//  )
	//  SELECT $1, unnest($2::text[]) ON CONFLICT (narinfo_id, signature) DO NOTHING
	AddNarInfoSignatures(ctx context.Context, arg AddNarInfoSignaturesParams) error
	//CreateChunk
	//
	//  INSERT INTO chunks (
	//      hash, size, compressed_size
	//  ) VALUES (
	//      $1, $2, $3
	//  )
	//  ON CONFLICT(hash) DO UPDATE SET
	//      updated_at = CURRENT_TIMESTAMP
	//  RETURNING id, hash, size, compressed_size, created_at, updated_at
	CreateChunk(ctx context.Context, arg CreateChunkParams) (Chunk, error)
	//CreateConfig
	//
	//  INSERT INTO config (
	//      key, value
	//  ) VALUES (
	//      $1, $2
	//  )
	//  RETURNING id, key, value, created_at, updated_at
	CreateConfig(ctx context.Context, arg CreateConfigParams) (Config, error)
	//CreateNarFile
	//
	//  INSERT INTO nar_files (
	//      hash, compression, query, file_size, total_chunks
	//  ) VALUES (
	//      $1, $2, $3, $4, $5
	//  )
	//  ON CONFLICT (hash, compression, query) DO UPDATE SET
	//      updated_at = EXCLUDED.updated_at
	//  RETURNING
	//      id,
	//      hash,
	//      compression,
	//      file_size,
	//      query,
	//      created_at,
	//      updated_at,
	//      last_accessed_at,
	//      total_chunks,
	//      chunking_started_at
	CreateNarFile(ctx context.Context, arg CreateNarFileParams) (NarFile, error)
	//CreateNarInfo
	//
	//  INSERT INTO narinfos (
	//      hash, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	//  ) VALUES (
	//      $1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11
	//  )
	//  ON CONFLICT (hash) DO UPDATE SET
	//      store_path = EXCLUDED.store_path,
	//      url = EXCLUDED.url,
	//      compression = EXCLUDED.compression,
	//      file_hash = EXCLUDED.file_hash,
	//      file_size = EXCLUDED.file_size,
	//      nar_hash = EXCLUDED.nar_hash,
	//      nar_size = EXCLUDED.nar_size,
	//      deriver = EXCLUDED.deriver,
	//      system = EXCLUDED.system,
	//      ca = EXCLUDED.ca,
	//      updated_at = CURRENT_TIMESTAMP
	//  WHERE narinfos.url IS NULL
	//  RETURNING id, hash, created_at, updated_at, last_accessed_at, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	CreateNarInfo(ctx context.Context, arg CreateNarInfoParams) (NarInfo, error)
	//DeleteChunkByID
	//
	//  DELETE FROM chunks
	//  WHERE id = $1
	DeleteChunkByID(ctx context.Context, id int64) error
	//DeleteNarFileByHash
	//
	//  DELETE FROM nar_files
	//  WHERE hash = $1 AND compression = $2 AND query = $3
	DeleteNarFileByHash(ctx context.Context, arg DeleteNarFileByHashParams) (int64, error)
	//DeleteNarFileByID
	//
	//  DELETE FROM nar_files
	//  WHERE id = $1
	DeleteNarFileByID(ctx context.Context, id int64) (int64, error)
	//DeleteNarFileChunksByNarFileID
	//
	//  DELETE FROM nar_file_chunks
	//  WHERE nar_file_id = $1
	DeleteNarFileChunksByNarFileID(ctx context.Context, narFileID int64) error
	//DeleteNarInfoByHash
	//
	//  DELETE FROM narinfos
	//  WHERE hash = $1
	DeleteNarInfoByHash(ctx context.Context, hash string) (int64, error)
	//DeleteNarInfoByID
	//
	//  DELETE FROM narinfos
	//  WHERE id = $1
	DeleteNarInfoByID(ctx context.Context, id int64) (int64, error)
	//DeleteOrphanedNarFiles
	//
	//  DELETE FROM nar_files
	//  WHERE id NOT IN (
	//      SELECT DISTINCT nar_file_id
	//      FROM narinfo_nar_files
	//  )
	DeleteOrphanedNarFiles(ctx context.Context) (int64, error)
	//DeleteOrphanedNarInfos
	//
	//  DELETE FROM narinfos
	//  WHERE id NOT IN (
	//      SELECT DISTINCT narinfo_id
	//      FROM narinfo_nar_files
	//  )
	DeleteOrphanedNarInfos(ctx context.Context) (int64, error)
	//GetChunkByHash
	//
	//  SELECT id, hash, size, compressed_size, created_at, updated_at
	//  FROM chunks
	//  WHERE hash = $1
	GetChunkByHash(ctx context.Context, hash string) (Chunk, error)
	//GetChunkByID
	//
	//  SELECT id, hash, size, compressed_size, created_at, updated_at
	//  FROM chunks
	//  WHERE id = $1
	GetChunkByID(ctx context.Context, id int64) (Chunk, error)
	//GetChunkByNarFileIDAndIndex
	//
	//  SELECT c.id, c.hash, c.size, c.created_at, c.updated_at
	//  FROM chunks c
	//  INNER JOIN nar_file_chunks nfc ON c.id = nfc.chunk_id
	//  WHERE nfc.nar_file_id = $1 AND nfc.chunk_index = $2
	GetChunkByNarFileIDAndIndex(ctx context.Context, arg GetChunkByNarFileIDAndIndexParams) (GetChunkByNarFileIDAndIndexRow, error)
	//GetChunkCount
	//
	//  SELECT CAST(COUNT(*) AS BIGINT) AS count
	//  FROM chunks
	GetChunkCount(ctx context.Context) (int64, error)
	//GetChunksByNarFileID
	//
	//  SELECT c.id, c.hash, c.size, c.compressed_size, c.created_at, c.updated_at
	//  FROM chunks c
	//  INNER JOIN nar_file_chunks nfc ON c.id = nfc.chunk_id
	//  WHERE nfc.nar_file_id = $1
	//  ORDER BY nfc.chunk_index
	GetChunksByNarFileID(ctx context.Context, narFileID int64) ([]Chunk, error)
	//GetCompressedNarInfos
	//
	//  SELECT id, hash, created_at, updated_at, last_accessed_at, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	//  FROM narinfos
	//  WHERE compression NOT IN (”, 'none')
	//  ORDER BY id
	//  LIMIT $1 OFFSET $2
	GetCompressedNarInfos(ctx context.Context, arg GetCompressedNarInfosParams) ([]NarInfo, error)
	//GetConfigByID
	//
	//  SELECT id, key, value, created_at, updated_at
	//  FROM config
	//  WHERE id = $1
	GetConfigByID(ctx context.Context, id int64) (Config, error)
	//GetConfigByKey
	//
	//  SELECT id, key, value, created_at, updated_at
	//  FROM config
	//  WHERE key = $1
	GetConfigByKey(ctx context.Context, key string) (Config, error)
	// NOTE: This query uses a correlated subquery which is not optimal for performance.
	// The ideal implementation would use a window function (SUM OVER), but sqlc v1.30.0
	// does not properly support filtering on window function results in subqueries.
	//
	//  SELECT n1.id, n1.hash, n1.compression, n1.file_size, n1.query, n1.created_at, n1.updated_at, n1.last_accessed_at, n1.total_chunks, n1.chunking_started_at
	//  FROM nar_files n1
	//  WHERE (
	//      SELECT SUM(n2.file_size)
	//      FROM nar_files n2
	//      WHERE n2.last_accessed_at < n1.last_accessed_at
	//         OR (n2.last_accessed_at = n1.last_accessed_at AND n2.id <= n1.id)
	//  ) <= $1
	GetLeastUsedNarFiles(ctx context.Context, fileSize uint64) ([]NarFile, error)
	// NOTE: This query uses a correlated subquery which is not optimal for performance.
	// The ideal implementation would use a window function (SUM OVER), but sqlc v1.30.0
	// does not properly support filtering on window function results in subqueries.
	// Gets the least-used narinfos up to a certain total file size (accounting for their nar_files).
	//
	//  SELECT ni1.id, ni1.hash, ni1.created_at, ni1.updated_at, ni1.last_accessed_at, ni1.store_path, ni1.url, ni1.compression, ni1.file_hash, ni1.file_size, ni1.nar_hash, ni1.nar_size, ni1.deriver, ni1.system, ni1.ca
	//  FROM narinfos ni1
	//  WHERE (
	//      SELECT COALESCE(SUM(nf.file_size), 0)
	//      FROM nar_files nf
	//      WHERE nf.id IN (
	//          SELECT DISTINCT nnf.nar_file_id
	//          FROM narinfo_nar_files nnf
	//          INNER JOIN narinfos ni2 ON nnf.narinfo_id = ni2.id
	//          WHERE ni2.last_accessed_at < ni1.last_accessed_at
	//              OR (ni2.last_accessed_at = ni1.last_accessed_at AND ni2.id <= ni1.id)
	//      )
	//  ) <= $1
	GetLeastUsedNarInfos(ctx context.Context, fileSize uint64) ([]NarInfo, error)
	// Get all narinfo hashes that have a URL (migrated).
	//
	//  SELECT hash
	//  FROM narinfos
	//  WHERE url IS NOT NULL
	GetMigratedNarInfoHashes(ctx context.Context) ([]string, error)
	// Get migrated narinfo hashes with pagination support.
	//
	//  SELECT hash
	//  FROM narinfos
	//  WHERE url IS NOT NULL
	//  ORDER BY hash
	//  LIMIT $1 OFFSET $2
	GetMigratedNarInfoHashesPaginated(ctx context.Context, arg GetMigratedNarInfoHashesPaginatedParams) ([]string, error)
	//GetNarFileByHashAndCompressionAndQuery
	//
	//  SELECT id, hash, compression, file_size, query, created_at, updated_at, last_accessed_at, total_chunks, chunking_started_at
	//  FROM nar_files
	//  WHERE hash = $1 AND compression = $2 AND query = $3
	GetNarFileByHashAndCompressionAndQuery(ctx context.Context, arg GetNarFileByHashAndCompressionAndQueryParams) (NarFile, error)
	//GetNarFileByID
	//
	//  SELECT id, hash, compression, file_size, query, created_at, updated_at, last_accessed_at, total_chunks, chunking_started_at
	//  FROM nar_files
	//  WHERE id = $1
	GetNarFileByID(ctx context.Context, id int64) (NarFile, error)
	//GetNarFileByNarInfoID
	//
	//  SELECT nf.id, nf.hash, nf.compression, nf.file_size, nf.query, nf.created_at, nf.updated_at, nf.last_accessed_at, nf.total_chunks, nf.chunking_started_at
	//  FROM nar_files nf
	//  INNER JOIN narinfo_nar_files nnf ON nf.id = nnf.nar_file_id
	//  WHERE nnf.narinfo_id = $1
	GetNarFileByNarInfoID(ctx context.Context, narinfoID int64) (NarFile, error)
	//GetNarFileCount
	//
	//  SELECT CAST(COUNT(*) AS BIGINT) AS count
	//  FROM nar_files
	GetNarFileCount(ctx context.Context) (int64, error)
	// Get all NAR files that are not yet chunked.
	//
	//  SELECT id, hash, compression, query, file_size
	//  FROM nar_files
	//  WHERE total_chunks = 0
	//  ORDER BY id
	GetNarFilesToChunk(ctx context.Context) ([]GetNarFilesToChunkRow, error)
	// Get the count of NAR files that are not yet chunked.
	//
	//  SELECT COUNT(*)
	//  FROM nar_files
	//  WHERE total_chunks = 0
	GetNarFilesToChunkCount(ctx context.Context) (int64, error)
	//GetNarInfoByHash
	//
	//  SELECT id, hash, created_at, updated_at, last_accessed_at, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	//  FROM narinfos
	//  WHERE hash = $1
	GetNarInfoByHash(ctx context.Context, hash string) (NarInfo, error)
	//GetNarInfoByID
	//
	//  SELECT id, hash, created_at, updated_at, last_accessed_at, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	//  FROM narinfos
	//  WHERE id = $1
	GetNarInfoByID(ctx context.Context, id int64) (NarInfo, error)
	//GetNarInfoCount
	//
	//  SELECT CAST(COUNT(*) AS BIGINT) AS count
	//  FROM narinfos
	GetNarInfoCount(ctx context.Context) (int64, error)
	//GetNarInfoHashByNarURL
	//
	//  SELECT hash
	//  FROM narinfos
	//  WHERE url = $1
	//  LIMIT 1
	GetNarInfoHashByNarURL(ctx context.Context, url sql.NullString) (string, error)
	//GetNarInfoHashesByNarFileID
	//
	//  SELECT ni.hash
	//  FROM narinfos ni
	//  INNER JOIN narinfo_nar_files nnf ON ni.id = nnf.narinfo_id
	//  WHERE nnf.nar_file_id = $1
	GetNarInfoHashesByNarFileID(ctx context.Context, narFileID int64) ([]string, error)
	//GetNarInfoHashesByURL
	//
	//  SELECT hash
	//  FROM narinfos
	//  WHERE url = $1
	GetNarInfoHashesByURL(ctx context.Context, url sql.NullString) ([]string, error)
	// Get all narinfo hashes that have a URL (migrated) but whose NAR is not yet chunked.
	//
	//  SELECT ni.hash, ni.url
	//  FROM narinfos ni
	//  LEFT JOIN narinfo_nar_files nnf ON ni.id = nnf.narinfo_id
	//  LEFT JOIN nar_files nf ON nnf.nar_file_id = nf.id
	//  WHERE ni.url IS NOT NULL
	//    AND (nf.id IS NULL OR nf.total_chunks = 0)
	//  ORDER BY ni.hash
	GetNarInfoHashesToChunk(ctx context.Context) ([]GetNarInfoHashesToChunkRow, error)
	//GetNarInfoReferences
	//
	//  SELECT reference
	//  FROM narinfo_references
	//  WHERE narinfo_id = $1
	GetNarInfoReferences(ctx context.Context, narinfoID int64) ([]string, error)
	//GetNarInfoSignatures
	//
	//  SELECT signature
	//  FROM narinfo_signatures
	//  WHERE narinfo_id = $1
	GetNarInfoSignatures(ctx context.Context, narinfoID int64) ([]string, error)
	//GetNarInfoURLByNarFileHash
	//
	//  SELECT ni.url
	//  FROM narinfos ni
	//  INNER JOIN narinfo_nar_files nnf ON ni.id = nnf.narinfo_id
	//  INNER JOIN nar_files nf ON nf.id = nnf.nar_file_id
	//  WHERE nf.hash = $1 AND nf.compression = $2 AND nf.query = $3
	//  LIMIT 1
	GetNarInfoURLByNarFileHash(ctx context.Context, arg GetNarInfoURLByNarFileHashParams) (sql.NullString, error)
	//GetNarTotalSize
	//
	//  SELECT CAST(COALESCE(SUM(file_size), 0) AS BIGINT) AS total_size
	//  FROM nar_files
	GetNarTotalSize(ctx context.Context) (int64, error)
	//GetOldCompressedNarFiles
	//
	//  SELECT id, hash, compression, file_size, query, created_at, updated_at, last_accessed_at, total_chunks, chunking_started_at
	//  FROM nar_files
	//  WHERE compression NOT IN (”, 'none')
	//    AND created_at < $1
	//  ORDER BY id
	//  LIMIT $2 OFFSET $3
	GetOldCompressedNarFiles(ctx context.Context, arg GetOldCompressedNarFilesParams) ([]NarFile, error)
	//GetOrphanedChunks
	//
	//  SELECT c.id, c.hash, c.size, c.created_at, c.updated_at
	//  FROM chunks c
	//  LEFT JOIN nar_file_chunks nfc ON c.id = nfc.chunk_id
	//  WHERE nfc.chunk_id IS NULL
	GetOrphanedChunks(ctx context.Context) ([]GetOrphanedChunksRow, error)
	// Find files that have no relationship to any narinfo
	//
	//  SELECT nf.id, nf.hash, nf.compression, nf.file_size, nf.query, nf.created_at, nf.updated_at, nf.last_accessed_at, nf.total_chunks, nf.chunking_started_at
	//  FROM nar_files nf
	//  LEFT JOIN narinfo_nar_files ninf ON nf.id = ninf.nar_file_id
	//  WHERE ninf.narinfo_id IS NULL
	GetOrphanedNarFiles(ctx context.Context) ([]NarFile, error)
	//GetTotalChunkSize
	//
	//  SELECT CAST(COALESCE(SUM(size), 0) AS BIGINT) AS total_size
	//  FROM chunks
	GetTotalChunkSize(ctx context.Context) (int64, error)
	// Get all narinfo hashes that have no URL (unmigrated).
	//
	//  SELECT hash
	//  FROM narinfos
	//  WHERE url IS NULL
	GetUnmigratedNarInfoHashes(ctx context.Context) ([]string, error)
	// Check if a narinfo hash has been migrated (has a URL).
	//
	//  SELECT EXISTS(
	//      SELECT 1
	//      FROM narinfos
	//      WHERE hash = $1 AND url IS NOT NULL
	//  ) AS is_migrated
	IsNarInfoMigrated(ctx context.Context, hash string) (bool, error)
	//LinkNarFileToChunk
	//
	//  INSERT INTO nar_file_chunks (
	//      nar_file_id, chunk_id, chunk_index
	//  ) VALUES (
	//      $1, $2, $3
	//  )
	//  ON CONFLICT (nar_file_id, chunk_index) DO NOTHING
	LinkNarFileToChunk(ctx context.Context, arg LinkNarFileToChunkParams) error
	// @bulk-for LinkNarFileToChunk
	//
	//  INSERT INTO nar_file_chunks (
	//      nar_file_id, chunk_id, chunk_index
	//  )
	//  SELECT $1, unnest($2::bigint[]), unnest($3::bigint[])
	//  ON CONFLICT (nar_file_id, chunk_index) DO NOTHING
	LinkNarFileToChunks(ctx context.Context, arg LinkNarFileToChunksParams) error
	//LinkNarInfoToNarFile
	//
	//  INSERT INTO narinfo_nar_files (
	//      narinfo_id, nar_file_id
	//  ) VALUES (
	//      $1, $2
	//  )
	//  ON CONFLICT (narinfo_id, nar_file_id) DO NOTHING
	LinkNarInfoToNarFile(ctx context.Context, arg LinkNarInfoToNarFileParams) error
	//LinkNarInfosByURLToNarFile
	//
	//  INSERT INTO narinfo_nar_files (narinfo_id, nar_file_id)
	//  SELECT id, $1
	//  FROM narinfos
	//  WHERE url = $2
	//  ON CONFLICT (narinfo_id, nar_file_id) DO NOTHING
	LinkNarInfosByURLToNarFile(ctx context.Context, arg LinkNarInfosByURLToNarFileParams) error
	//SetConfig
	//
	//  INSERT INTO config (
	//      key, value
	//  ) VALUES (
	//      $1, $2
	//  )
	//  ON CONFLICT(key)
	//  DO UPDATE SET
	//    value = EXCLUDED.value,
	//    updated_at = CURRENT_TIMESTAMP
	SetConfig(ctx context.Context, arg SetConfigParams) error
	//SetNarFileChunkingStarted
	//
	//  UPDATE nar_files
	//  SET chunking_started_at = CURRENT_TIMESTAMP, updated_at = CURRENT_TIMESTAMP
	//  WHERE id = $1
	SetNarFileChunkingStarted(ctx context.Context, id int64) error
	//TouchNarFile
	//
	//  UPDATE nar_files
	//  SET
	//      last_accessed_at = CURRENT_TIMESTAMP,
	//      updated_at = CURRENT_TIMESTAMP
	//  WHERE hash = $1 AND compression = $2 AND query = $3
	TouchNarFile(ctx context.Context, arg TouchNarFileParams) (int64, error)
	//TouchNarInfo
	//
	//  UPDATE narinfos
	//  SET
	//      last_accessed_at = CURRENT_TIMESTAMP,
	//      updated_at = CURRENT_TIMESTAMP
	//  WHERE hash = $1
	TouchNarInfo(ctx context.Context, hash string) (int64, error)
	//UpdateNarFileFileSize
	//
	//  UPDATE nar_files
	//  SET file_size = $1, updated_at = CURRENT_TIMESTAMP
	//  WHERE id = $2
	UpdateNarFileFileSize(ctx context.Context, arg UpdateNarFileFileSizeParams) error
	//UpdateNarFileTotalChunks
	//
	//  UPDATE nar_files
	//  SET total_chunks = $1, file_size = $2, updated_at = CURRENT_TIMESTAMP, chunking_started_at = NULL
	//  WHERE id = $3
	UpdateNarFileTotalChunks(ctx context.Context, arg UpdateNarFileTotalChunksParams) error
	//UpdateNarInfo
	//
	//  UPDATE narinfos
	//  SET
	//      store_path = $2,
	//      url = $3,
	//      compression = $4,
	//      file_hash = $5,
	//      file_size = $6,
	//      nar_hash = $7,
	//      nar_size = $8,
	//      deriver = $9,
	//      system = $10,
	//      ca = $11,
	//      updated_at = CURRENT_TIMESTAMP
	//  WHERE hash = $1
	//  RETURNING id, hash, created_at, updated_at, last_accessed_at, store_path, url, compression, file_hash, file_size, nar_hash, nar_size, deriver, system, ca
	UpdateNarInfo(ctx context.Context, arg UpdateNarInfoParams) (NarInfo, error)
	// Update narinfo compression and URL after CDC migration.
	//
	//  UPDATE narinfos
	//  SET compression = $1, url = $2, updated_at = CURRENT_TIMESTAMP
	//  WHERE url = $3
	UpdateNarInfoCompressionAndURL(ctx context.Context, arg UpdateNarInfoCompressionAndURLParams) (int64, error)
	//UpdateNarInfoFileHash
	//
	//  UPDATE narinfos
	//  SET file_hash = $2, updated_at = CURRENT_TIMESTAMP
	//  WHERE hash = $1
	UpdateNarInfoFileHash(ctx context.Context, arg UpdateNarInfoFileHashParams) error
	//UpdateNarInfoFileSize
	//
	//  UPDATE narinfos
	//  SET file_size = $2, updated_at = CURRENT_TIMESTAMP
	//  WHERE hash = $1
	UpdateNarInfoFileSize(ctx context.Context, arg UpdateNarInfoFileSizeParams) error

	WithTx(tx *sql.Tx) Querier
	DB() *sql.DB
}

type SetConfigParams struct {
	Key   string
	Value string
}

type TouchNarFileParams struct {
	Hash        string
	Compression string
	Query       string
}

type Type uint8

type UpdateNarFileFileSizeParams struct {
	FileSize uint64
	ID       int64
}

type UpdateNarFileTotalChunksParams struct {
	TotalChunks int64
	FileSize    uint64
	ID          int64
}

type UpdateNarInfoCompressionAndURLParams struct {
	Compression sql.NullString
	NewUrl      sql.NullString
	OldUrl      sql.NullString
}

type UpdateNarInfoFileHashParams struct {
	Hash     string
	FileHash sql.NullString
}

type UpdateNarInfoFileSizeParams struct {
	Hash     string
	FileSize sql.NullInt64
}

type UpdateNarInfoParams struct {
	Hash        string
	StorePath   sql.NullString
	URL         sql.NullString
	Compression sql.NullString
	FileHash    sql.NullString
	FileSize    sql.NullInt64
	NarHash     sql.NullString
	NarSize     sql.NullInt64
	Deriver     sql.NullString
	System      sql.NullString
	Ca          sql.NullString
}