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dendrite/syncapi/storage/sqlite3/stream_id_table.go
Till 234ed603e6
Move every db.Prepare to sqlutil.Statementlist, remove trace driver (#3026)
Doesn't buy us much, but makes everything a bit more consistent.

Also removes the SQL trace driver, as it is unused and the output is
hard to read anyway.
2023-03-23 13:52:53 +01:00

95 lines
3.3 KiB
Go

package sqlite3
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/types"
)
const streamIDTableSchema = `
-- Global stream ID counter, used by other tables.
CREATE TABLE IF NOT EXISTS syncapi_stream_id (
stream_name TEXT NOT NULL PRIMARY KEY,
stream_id INT DEFAULT 0,
UNIQUE(stream_name)
);
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("global", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("receipt", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("accountdata", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("invite", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("presence", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("notification", 0)
ON CONFLICT DO NOTHING;
INSERT INTO syncapi_stream_id (stream_name, stream_id) VALUES ("relation", 0)
ON CONFLICT DO NOTHING;
`
const increaseStreamIDStmt = "" +
"UPDATE syncapi_stream_id SET stream_id = stream_id + 1 WHERE stream_name = $1" +
" RETURNING stream_id"
type StreamIDStatements struct {
db *sql.DB
increaseStreamIDStmt *sql.Stmt
}
func (s *StreamIDStatements) Prepare(db *sql.DB) (err error) {
s.db = db
_, err = db.Exec(streamIDTableSchema)
if err != nil {
return
}
return sqlutil.StatementList{
{&s.increaseStreamIDStmt, increaseStreamIDStmt},
}.Prepare(db)
}
func (s *StreamIDStatements) nextPDUID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "global").Scan(&pos)
return
}
func (s *StreamIDStatements) nextReceiptID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "receipt").Scan(&pos)
return
}
func (s *StreamIDStatements) nextInviteID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "invite").Scan(&pos)
return
}
func (s *StreamIDStatements) nextAccountDataID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "accountdata").Scan(&pos)
return
}
func (s *StreamIDStatements) nextPresenceID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "presence").Scan(&pos)
return
}
func (s *StreamIDStatements) nextNotificationID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "notification").Scan(&pos)
return
}
func (s *StreamIDStatements) nextRelationID(ctx context.Context, txn *sql.Tx) (pos types.StreamPosition, err error) {
increaseStmt := sqlutil.TxStmt(txn, s.increaseStreamIDStmt)
err = increaseStmt.QueryRowContext(ctx, "relation").Scan(&pos)
return
}