Function isNullValue

packages/powersync-db-collection/src/sqlite-compiler.ts:161–163

* Check if a BasicExpression represents a null/undefined value

(exp: IR.BasicExpression<unknown>)

 * Check if a BasicExpression represents a null/undefined value
 */
function isNullValue(exp: IR.BasicExpression<unknown>): boolean {
  return exp.type === `val` && (exp.value === null || exp.value === undefined)
}

/**
 * Compiles a function expression (operator) to SQL.