[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2020-01-02 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r362698055
 
 

 ##
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
 ##
 @@ -862,6 +879,13 @@ class Analyzer(
 }
 
   case u: UnresolvedRelation => resolveRelation(u)
+
+  case u @ UnresolvedTable(SessionCatalogAndIdentifier(catalog, ident)) =>
 
 Review comment:
   This needs to go thru `lookupRelation` as suggested, no?


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[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2019-12-30 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r362070796
 
 

 ##
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
 ##
 @@ -732,6 +742,11 @@ class Analyzer(
 lookupTempView(ident)
   .map(view => i.copy(table = view))
   .getOrElse(i)
+  case u @ UnresolvedTable(ident) =>
+lookupTempView(ident).foreach { _ =>
+  u.failAnalysis(s"${ident.quoted} is a view not table.")
 
 Review comment:
   Shouldn't this be `is a temp view not table`?


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[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2019-12-30 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r362076431
 
 

 ##
 File path: 
sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala
 ##
 @@ -1929,6 +1929,71 @@ class DataSourceV2SQLSuite
 }
   }
 
+  test("COMMENT ON NAMESPACE") {
+// unset this config to use the default v2 session catalog.
+spark.conf.unset(V2_SESSION_CATALOG_IMPLEMENTATION.key)
+// Session catalog is used.
+sql(s"CREATE NAMESPACE ns")
 
 Review comment:
   `s` is not needed.


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[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2019-12-28 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r361772691
 
 

 ##
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
 ##
 @@ -720,6 +722,14 @@ class Analyzer(
 }
   }
 
+  case class ResolveNamespace(catalogManager: CatalogManager)
+extends Rule[LogicalPlan] with LookupCatalog {
+def apply(plan: LogicalPlan): LogicalPlan = plan resolveOperators {
+  case UnresolvedNamespace(CatalogAndNamespace(catalog, ns)) =>
+ResolvedNamespace(catalog.asNamespaceCatalog, ns)
 
 Review comment:
   I have a question. We have the following in `ResolveSessionCatalog.scala`:
   ```scala
   case ShowTablesStatement(Some(CatalogAndNamespace(catalog, ns)), pattern)
 if isSessionCatalog(catalog) =>
   ```
   Do we plan to add these statements here and not resolve 
`UnresolvedNamespace` and let `ResolveSessionCatalog` handle them?
   


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[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2019-12-27 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r361773790
 
 

 ##
 File path: 
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
 ##
 @@ -212,6 +212,9 @@ statement
 | (DESC | DESCRIBE) TABLE? option=(EXTENDED | FORMATTED)?
 multipartIdentifier partitionSpec? describeColName?
#describeTable
 | (DESC | DESCRIBE) QUERY? query   
#describeQuery
+| COMMENT ON (database | NAMESPACE) multipartIdentifier IS
 
 Review comment:
   I created https://github.com/apache/spark/pull/27027 for this.


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[GitHub] [spark] imback82 commented on a change in pull request #26847: [SPARK-30214][SQL] A new framework to resolve v2 commands

2019-12-27 Thread GitBox
imback82 commented on a change in pull request #26847: [SPARK-30214][SQL]  A 
new framework to resolve v2 commands
URL: https://github.com/apache/spark/pull/26847#discussion_r361772691
 
 

 ##
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
 ##
 @@ -720,6 +722,14 @@ class Analyzer(
 }
   }
 
+  case class ResolveNamespace(catalogManager: CatalogManager)
+extends Rule[LogicalPlan] with LookupCatalog {
+def apply(plan: LogicalPlan): LogicalPlan = plan resolveOperators {
+  case UnresolvedNamespace(CatalogAndNamespace(catalog, ns)) =>
+ResolvedNamespace(catalog.asNamespaceCatalog, ns)
 
 Review comment:
   I have a question. We have the following in `ResolveSessionCatalog.scala`:
   ```scala
   case ShowTablesStatement(Some(CatalogAndNamespace(catalog, ns)), pattern)
 if isSessionCatalog(catalog) =>
   ```
   Do we plan to add these statements here and not resolve 
`UnresolvedNamespace` and let `ResolveSessionCatalog` handle them?
   


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