huaxingao commented on code in PR #13665:
URL: https://github.com/apache/iceberg/pull/13665#discussion_r2238008209
##########
spark/v3.4/spark-runtime/src/integration/java/org/apache/iceberg/spark/TestRoundTrip.java:
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@@ -172,6 +176,34 @@ public void showView() {
sql("DROP VIEW %s", "test");
}
+ @TestTemplate
+ public void testDecimalColumn() {
+ int rows = 100;
+ String tableName = tableName("decimal_table1");
+ // Create table with a single DECIMAL column
+ sql("CREATE TABLE IF NOT EXISTS %s (amount DECIMAL(17, 5)) USING iceberg",
tableName);
+ sql("TRUNCATE TABLE %s", tableName);
+
+ // Build and execute the INSERT statement
+ sql(
+ "INSERT INTO %s VALUES %s",
+ tableName,
+ IntStream.range(0, rows).mapToObj(i -> "(" + i +
")").collect(Collectors.joining(",")));
+
+ // Build expected results
+ List<Object[]> expected =
+ IntStream.range(0, rows)
+ .mapToObj(i -> new Object[] {new BigDecimal(i + ".00000")})
+ .collect(Collectors.toList());
+
+ // Query and validate
+ List<Object[]> actual = sql("SELECT * FROM %s", tableName);
+ for (int i = 0; i < expected.size(); i++) {
+ System.out.println(actual.get(i)[0]);
Review Comment:
remove this?
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