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