Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/7455#discussion_r34870593
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/parquet/ParquetIOSuite.scala ---
@@ -107,7 +107,7 @@ class ParquetIOSuiteBase extends QueryTest with
ParquetTest {
// Parquet doesn't allow column names with spaces, have to add an
alias here
.select($"_1" cast decimal as "dec")
- for ((precision, scale) <- Seq((5, 2), (1, 0), (1, 1), (18, 10), (18,
17))) {
+ for ((precision, scale) <- Seq((5, 2), (1, 0), (1, 1), (18, 10), (18,
17), (19, 0), (38, 37))) {
--- End diff --
Note that as stated in the PR description, this PR doesn't support writing
decimals when `followParquetFormatSpec` is true, because it doesn't make sense
yet until the whole Parquet write path is refactored to conform Parquet format
spec.
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