Assert column names for partial views

[jogrogan]

Adds validation for column names when doing a partial view (i.e. view on table that already exists).

Tests:

• New view, column names don't matter, no validation done

0: Hoptimator> create or replace materialized view venice."new-view" as select "KEY" as "KEY_id", "VALUE" as stringField from kafka."existing-topic-1";
No rows affected (0.517 seconds)

• Valid column names for partial view

0: Hoptimator> create or replace materialized view venice."test-store$my-view" as select "KEY" as "KEY_id", "VALUE" as "stringField" from kafka."existing-topic-1";
No rows affected (1.684 seconds)

• Invalid column name for partial view

0: Hoptimator> create or replace materialized view venice."test-store$my-view" as select "KEY" as "KEY_id", "VALUE" as stringField from kafka."existing-topic-1";
Error: Error while executing SQL "create or replace materialized view venice."test-store$my-view" as select "KEY" as "KEY_id", "VALUE" as stringField from kafka."existing-topic-1"": Cannot CREATE MATERIALIZED VIEW in VENICE: Field STRINGFIELD not found in sink schema (state=,code=0)

0: Hoptimator> create or replace materialized view "VENICE"."test-store-1$view" ("KEY_id", intField) as select "KEY_id", "stringField" from "VENICE"."test-store";
Error: Error while executing SQL "create or replace materialized view "VENICE"."test-store-1$view" ("KEY_id", intField) as select "KEY_id", "stringField" from "VENICE"."test-store"": Cannot CREATE MATERIALIZED VIEW in VENICE: Field INTFIELD not found in sink schema (state=,code=0)

[ryannedolan]

Nice! Does it make sense to check that the types match as well? The types technically don't need to match exactly, but the sink should be assignable from the source. Calcite has a function somewhere for that.

[jogrogan]

Nice! Does it make sense to check that the types match as well? The types technically don't need to match exactly, but the sink should be assignable from the source. Calcite has a function somewhere for that.

Yea I couldn't find an easy way to test the types of a subset of fields. You can only test all the fields between two rowtypes