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Refactor: rag to sep package

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This commit is contained in:
Grail Finder
2025-01-05 20:51:31 +03:00
parent 4736e43631
commit b822b3a161
6 changed files with 282 additions and 248 deletions
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37
storage/vector.go
View File

@@ -4,7 +4,6 @@ import (
"elefant/models"
"errors"
"fmt"
"log"
"unsafe"
sqlite_vec "github.com/asg017/sqlite-vec-go-bindings/ncruces"
@@ -12,7 +11,7 @@ import (
type VectorRepo interface {
WriteVector(*models.VectorRow) error
SearchClosest(q []float32) (*models.VectorRow, error)
SearchClosest(q []float32) ([]models.VectorRow, error)
}
var (
@@ -79,7 +78,11 @@ func decodeUnsafe(bs []byte) []float32 {
return unsafe.Slice((*float32)(unsafe.Pointer(&bs[0])), len(bs)/4)
}
func (p ProviderSQL) SearchClosest(q []float32) (*models.VectorRow, error) {
func (p ProviderSQL) SearchClosest(q []float32) ([]models.VectorRow, error) {
tableName, err := fetchTableName(q)
if err != nil {
return nil, err
}
stmt, _, err := p.s3Conn.Prepare(
fmt.Sprintf(`SELECT
id,
@@ -91,35 +94,35 @@ func (p ProviderSQL) SearchClosest(q []float32) (*models.VectorRow, error) {
WHERE embedding MATCH ?
ORDER BY distance
LIMIT 4
`, vecTableName))
`, tableName))
if err != nil {
log.Fatal(err)
return nil, err
}
query, err := sqlite_vec.SerializeFloat32(q[:])
if err != nil {
log.Fatal(err)
return nil, err
}
if err := stmt.BindBlob(1, query); err != nil {
p.logger.Error("failed to bind", "error", err)
return nil, err
}
resp := make([]models.VectorRow, 4)
i := 0
resp := []models.VectorRow{}
for stmt.Step() {
resp[i].ID = uint32(stmt.ColumnInt64(0))
resp[i].Distance = float32(stmt.ColumnFloat(1))
res := models.VectorRow{}
res.ID = uint32(stmt.ColumnInt64(0))
res.Distance = float32(stmt.ColumnFloat(1))
emb := stmt.ColumnRawText(2)
resp[i].Embeddings = decodeUnsafe(emb)
resp[i].Slug = stmt.ColumnText(3)
resp[i].RawText = stmt.ColumnText(4)
i++
res.Embeddings = decodeUnsafe(emb)
res.Slug = stmt.ColumnText(3)
res.RawText = stmt.ColumnText(4)
resp = append(resp, res)
}
if err := stmt.Err(); err != nil {
log.Fatal(err)
return nil, err
}
err = stmt.Close()
if err != nil {
log.Fatal(err)
return nil, err
}
return nil, nil
return resp, nil
}