Github user mbasmanova commented on a diff in the pull request:
https://github.com/apache/spark/pull/18421#discussion_r124871491
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/SparkSqlParserSuite.scala
---
@@ -239,18 +239,20 @@ class SparkSqlParserSuite extends AnalysisTest {
AnalyzeTableCommand(TableIdentifier("t"), noscan = false))
assertEqual("analyze table t compute statistics noscan",
AnalyzeTableCommand(TableIdentifier("t"), noscan = true))
- assertEqual("analyze table t partition (a) compute statistics nOscAn",
+ assertEqual("analyze table t compute statistics nOscAn",
AnalyzeTableCommand(TableIdentifier("t"), noscan = true))
- // Partitions specified - we currently parse them but don't do
anything with it
+ // Partitions specified
assertEqual("ANALYZE TABLE t PARTITION(ds='2008-04-09', hr=11) COMPUTE
STATISTICS",
- AnalyzeTableCommand(TableIdentifier("t"), noscan = false))
+ AnalyzeTableCommand(TableIdentifier("t"), noscan = false,
+ partitionSpec = Some(Map("ds" -> "2008-04-09", "hr" -> "11"))))
assertEqual("ANALYZE TABLE t PARTITION(ds='2008-04-09', hr=11) COMPUTE
STATISTICS noscan",
- AnalyzeTableCommand(TableIdentifier("t"), noscan = true))
- assertEqual("ANALYZE TABLE t PARTITION(ds, hr) COMPUTE STATISTICS",
- AnalyzeTableCommand(TableIdentifier("t"), noscan = false))
- assertEqual("ANALYZE TABLE t PARTITION(ds, hr) COMPUTE STATISTICS
noscan",
- AnalyzeTableCommand(TableIdentifier("t"), noscan = true))
+ AnalyzeTableCommand(TableIdentifier("t"), noscan = true,
+ partitionSpec = Some(Map("ds" -> "2008-04-09", "hr" -> "11"))))
+ intercept("ANALYZE TABLE t PARTITION(ds, hr) COMPUTE STATISTICS",
--- End diff --
@wzhfy, I expect syntax change to be quite small and incremental.
Currently, it is necessary to specify all partition columns along with values.
The change will be to allow only a subset of partition columns and allow
partition columns without values.
`PARTITION (partcol1=val1,...) -> PARTITION (partcol1[=val1],...)`
That said, I want to try to allow partial partition specs in this PR. Let
me spend some time on it and report back my findings.
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