a-shkarupin commented on a change in pull request #23456: [SPARK-26538][SQL]
Set default precision and scale for elements of postgres numeric array
URL: https://github.com/apache/spark/pull/23456#discussion_r246860121
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File path:
sql/core/src/main/scala/org/apache/spark/sql/jdbc/PostgresDialect.scala
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@@ -60,7 +60,12 @@ private object PostgresDialect extends JdbcDialect {
case "bytea" => Some(BinaryType)
case "timestamp" | "timestamptz" | "time" | "timetz" => Some(TimestampType)
case "date" => Some(DateType)
- case "numeric" | "decimal" => Some(DecimalType.bounded(precision, scale))
+ case "numeric" | "decimal" => if (precision > 0) {
+ Some(DecimalType.bounded(precision, scale))
+ } else {
+ // SPARK-26538: handle numeric without explicit precision and scale.
+ Some(DecimalType. SYSTEM_DEFAULT)
+ }
Review comment:
Updated per your suggestion, kept the comment as suggested
[here](https://github.com/apache/spark/pull/23456#discussion_r245425442).
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