API reference › @evolu/sqlite-wasm › c-api › sqlite3_value_nochange

function sqlite3_value_nochange(
  deps: SqliteWasmDep,
): (value: SqliteValuePtr) => number;

Defined in: packages/sqlite-wasm/src/CApi.ts:2523

Within a virtual table's xUpdate, returns non-zero when the value's column is unchanged by the UPDATE because xColumn set no result; such a value otherwise looks like NULL. Anywhere else the result is meaningless.

Wasm type i(i). Signature ["sqlite3_value_nochange", "int", "sqlite3_value*"] from SQLite's table.

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