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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package connclickhouse | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
|
|
||
| "github.com/jackc/pgx/v5" | ||
| "github.com/jackc/pgx/v5/pgxpool" | ||
|
|
||
| utils "github.com/PeerDB-io/peer-flow/connectors/utils/avro" | ||
| "github.com/PeerDB-io/peer-flow/peerdbenv" | ||
| ) | ||
|
|
||
| type ClickHouseS3Stage struct{} | ||
|
|
||
| func NewClickHouseS3Stage() *ClickHouseS3Stage { | ||
| return &ClickHouseS3Stage{} | ||
| } | ||
|
|
||
| func (c *ClickHouseS3Stage) SetAvroStage( | ||
| ctx context.Context, | ||
| flowJobName string, | ||
| syncBatchID int64, | ||
| avroFile *utils.AvroFile, | ||
| ) error { | ||
| avroFileJSON, err := json.Marshal(avroFile) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to marshal avro file: %w", err) | ||
| } | ||
|
|
||
| conn, err := c.getConn(ctx) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get connection: %w", err) | ||
| } | ||
|
|
||
| _, err = conn.Exec(ctx, ` | ||
| INSERT INTO ch_s3_stage (flow_job_name, sync_batch_id, avro_file) | ||
| VALUES ($1, $2, $3) | ||
| ON CONFLICT (flow_job_name, sync_batch_id) | ||
| DO UPDATE SET avro_file = $3, created_at = CURRENT_TIMESTAMP | ||
| `, flowJobName, syncBatchID, avroFileJSON) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to set avro stage: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c *ClickHouseS3Stage) GetAvroStage(ctx context.Context, flowJobName string, syncBatchID int64) (*utils.AvroFile, error) { | ||
| conn, err := c.getConn(ctx) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get connection: %w", err) | ||
| } | ||
|
|
||
| var avroFileJSON []byte | ||
| err = conn.QueryRow(ctx, ` | ||
| SELECT avro_file FROM ch_s3_stage | ||
| WHERE flow_job_name = $1 AND sync_batch_id = $2 | ||
| `, flowJobName, syncBatchID).Scan(&avroFileJSON) | ||
| if err != nil { | ||
| if err == pgx.ErrNoRows { | ||
| return nil, fmt.Errorf("no avro stage found for flow job %s and sync batch %d", flowJobName, syncBatchID) | ||
| } | ||
| return nil, fmt.Errorf("failed to get avro stage: %w", err) | ||
| } | ||
|
|
||
| var avroFile utils.AvroFile | ||
| if err := json.Unmarshal(avroFileJSON, &avroFile); err != nil { | ||
| return nil, fmt.Errorf("failed to unmarshal avro file: %w", err) | ||
| } | ||
|
|
||
| return &avroFile, nil | ||
| } | ||
|
|
||
| func (c *ClickHouseS3Stage) getConn(ctx context.Context) (*pgxpool.Pool, error) { | ||
| conn, err := peerdbenv.GetCatalogConnectionPoolFromEnv(ctx) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to create catalog connection pool: %w", err) | ||
| } | ||
|
|
||
| return conn, nil | ||
| } |
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