AngersZhuuuu commented on a change in pull request #29085:
URL: https://github.com/apache/spark/pull/29085#discussion_r456990164
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File path: sql/core/src/test/resources/sql-tests/inputs/transform.sql
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@@ -0,0 +1,49 @@
+-- Test data.
+CREATE OR REPLACE TEMPORARY VIEW t1 AS SELECT * FROM VALUES
+('a'), ('b'), ('v')
+as t1(a);
+
+CREATE OR REPLACE TEMPORARY VIEW t2 AS SELECT * FROM VALUES
+('1', true, unhex('537061726B2053514C'), tinyint(1), array_position(array(3,
2, 1), 1), float(1.0), 1.0, Decimal(1.0), timestamp(1), current_date),
+('2', false, unhex('537061726B2053514C'), tinyint(2), array_position(array(3,
2, 1), 2), float(2.0), 2.0, Decimal(2.0), timestamp(2), current_date),
+('3', true, unhex('537061726B2053514C'), tinyint(3), array_position(array(3,
2, 1), 1), float(3.0), 3.0, Decimal(3.0), timestamp(3), current_date)
+as t2(a,b,c,d,e,f,g,h,i,j);
+
+SELECT TRANSFORM(a)
+USING 'cat' AS (a)
+FROM t1;
+
+
+-- with non-exist command
+SELECT TRANSFORM(a)
+USING 'some_non_existent_command' AS (a)
+FROM t1;
+
+-- with non-exist file
+SELECT TRANSFORM(a)
+USING 'python some_non_existent_file' AS (a)
+FROM t1;
+
+
+-- support different data type
+SELECT a, b, decode(c, 'UTF-8'), d, e, f, g, h, i, j FROM (
+ SELECT TRANSFORM(a, b, c, d, e, f, g, h, i, j)
+ USING 'cat' AS (a string, b boolean, c binary, d tinyint, e long, f float,
g double, h decimal(38, 18), i timestamp, j date)
+ FROM t2
+) tmp;
+
+
+-- handle schema less
+SELECT TRANSFORM(a, b)
+USING 'cat'
Review comment:
Yea
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