[API reference](https://evolu.dev/docs/api-reference) › [@evolu/sqlite-wasm](https://evolu.dev/docs/api-reference/sqlite-wasm) › [c-api](https://evolu.dev/docs/api-reference/sqlite-wasm/c-api) › sqlite3\_txn\_state

```ts
function sqlite3_txn_state(
  deps: SqliteWasmDep,
): (db: SqliteDbPtr, zSchema: 0 | CStringPtr) => number;
```

Defined in: [packages/sqlite-wasm/src/CApi.ts:1223](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/CApi.ts#L1223)

Returns a schema's transaction state, SQLITE_TXN_NONE, SQLITE_TXN_READ or
SQLITE_TXN_WRITE, the highest across all schemas for NULL, or -1 for an
unknown schema.

Wasm type `i(ii)`. Signature `["sqlite3_txn_state", "int", "sqlite3*",
"string"]` from SQLite's table.

See https://sqlite.org/c3ref/txn_state.html.