itholic commented on code in PR #39282:
URL: https://github.com/apache/spark/pull/39282#discussion_r1059856462
##########
sql/core/src/test/scala/org/apache/spark/sql/errors/QueryCompilationErrorsSuite.scala:
##########
@@ -680,6 +680,18 @@ class QueryCompilationErrorsSuite
context = ExpectedContext("", "", 7, 13, "CAST(1)")
)
}
+
+ test("NEGATIVE_SCALE_NOT_ALLOWED: negative scale for Decimal is not
allowed") {
+ withSQLConf(SQLConf.LEGACY_ALLOW_NEGATIVE_SCALE_OF_DECIMAL_ENABLED.key ->
"false") {
+ checkError(
+ exception = intercept[AnalysisException] (Decimal(BigDecimal("98765"),
5, -3)),
Review Comment:
I tried test it with SQL, by using `sql("SELECT cast(98765 as decimal(5,
-3))")`.
But I couldn't make it since it raises "PARSE_SYNTAX_ERROR" instead of
"NEGATIVE_SCALE_NOT_ALLOWED" as below:
```scala
scala> sql("SELECT cast(98765 as decimal(5, -3))")
org.apache.spark.sql.catalyst.parser.ParseException:
[PARSE_SYNTAX_ERROR] Syntax error at or near '-': extra input '-'(line 1,
pos 32)
== SQL ==
SELECT cast(98765 as decimal(5, -3))
--------------------------------^^^
at
org.apache.spark.sql.catalyst.parser.ParseException.withCommand(ParseDriver.scala:306)
at
org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parse(ParseDriver.scala:144)
at
org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:52)
at
org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parsePlan(ParseDriver.scala:89)
at org.apache.spark.sql.SparkSession.$anonfun$sql$2(SparkSession.scala:627)
at
org.apache.spark.sql.catalyst.QueryPlanningTracker.measurePhase(QueryPlanningTracker.scala:111)
at org.apache.spark.sql.SparkSession.$anonfun$sql$1(SparkSession.scala:624)
at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:809)
at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:622)
at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:653)
... 49 elided
```
Seems like it blocked when parsing phase before reaching the point that
raises NEGATIVE_SCALE_NOT_ALLOWED error ?
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