[Bug]: Issue with Yaml Filter-sql

[derrickaw]

What happened?

If Filter is supplied with the sql language label, it fails with this:

E ValueError: Error applying transform "Filter" at line 131: org.apache.beam.sdk.extensions.sql.impl.ParseException: Unable to parse query SELECT * FROM PCOLLECTION WHERE {'expression': "category = 'Electronics' and price > 100"}

Issue Priority

Priority: 2 (default / most bugs should be filed as P2)

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