[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\_stmt\_isexplain

```ts
function sqlite3_stmt_isexplain(
  deps: SqliteWasmDep,
): (pStmt: 0 | SqliteStmtPtr) => number;
```

Defined in: [packages/sqlite-wasm/src/CApi.ts:1982](https://github.com/evoluhq/evolu/blob/bc4578a260dd15d5bbf94b83765ca05984d194cb/packages/sqlite-wasm/src/CApi.ts#L1982)

Returns 1 for an EXPLAIN statement, 2 for EXPLAIN QUERY PLAN, and 0 for an
ordinary statement or NULL.

Wasm type `i(i)`. Signature `["sqlite3_stmt_isexplain", "int",
"sqlite3_stmt*"]` from SQLite's table.

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