support external tables and late binding views #89
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To support redshift external tables and late binding views we need additionally pull info from pg_catalog.svv_columns. Ref: https://github.com/dbt-labs/dbt-redshift/blob/fe91015ac6361c48531b439ac72d3f477d9cc07b/dbt/include/redshift/macros/adapters.sql
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What
Currently it cannot load any columns info for Redshift external tables. It fails badly even during
dbt compile.How
Use the default query inside
call statement('columns'), but also union it with info from pg_catalog.svv_columns where the info about external tables and late binding views can be found.Inspired by implementation in dbt..