cloud-fan commented on code in PR #51190:
URL: https://github.com/apache/spark/pull/51190#discussion_r2155806797
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sql/core/src/test/resources/sql-tests/inputs/variant-field-extractions.sql:
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@@ -0,0 +1,13 @@
+-- Simple field extraction and type casting.
+select parse_json('{ "price": 5 }'):price;
+select parse_json('{ "price": 30 }'):price::decimal(5, 2);
+select parse_json('{ "price": 30 }'):price::string;
+-- Applying an invalid function.
+select parse_json('{ "price": 12345.678 }'):price::decimal(3, 2);
+-- Access field in an array and feed it into functions.
+select parse_json('{ "item": [ { "model" : "basic", "price" : 6.12 }, {
"model" : "medium", "price" : 9.24 } ] }'):item[0].price::double;
Review Comment:
let's test all the valid syntaxes, e.g. `ASTERISK`, brackets with string,
etc.
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