Is your feature request related to a problem? Please describe.

Array functions with lambdas as arguments cannot be parsed.

• https://cloud.google.com/spanner/docs/reference/standard-sql/array_functions#array_filter
• https://cloud.google.com/spanner/docs/reference/standard-sql/array_functions#array_includes
• https://cloud.google.com/spanner/docs/reference/standard-sql/array_functions#array_transform

Describe the solution you'd like

Add a special function to parse the arguments of these functions.

Describe alternatives you've considered

No idea.

Additional context

I'll create a PR for this issue.