maropu commented on a change in pull request #29688:
URL: https://github.com/apache/spark/pull/29688#discussion_r485409066
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2370,6 +2370,13 @@ object SQLConf {
"(nonnegative and shorter than the maximum size).")
.createWithDefaultString(s"${ByteArrayMethods.MAX_ROUNDED_ARRAY_LENGTH}")
+ val MAX_METADATA_STRING_LENGTH =
buildConf("spark.sql.maxMetadataStringLength")
+ .doc("Maximum number of characters to output for a metadata string. e.g. "
+
+ "`DataSourceScanExec`, every value will be abbreviated if exceed
length.")
+ .version("3.1.0")
+ .intConf
Review comment:
plz add `checkValue`
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