Yicong-Huang commented on code in PR #5648:
URL: https://github.com/apache/texera/pull/5648#discussion_r3407003899


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.github/template-compliance-warning.txt:
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Review Comment:
   ditto



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.github/workflows/template-compliance-warning.yml:
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Review Comment:
   is this change related?



##########
common/auth/src/main/scala/org/apache/texera/auth/util/ComputingUnitAccess.scala:
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@@ -18,38 +18,39 @@
 package org.apache.texera.auth.util
 
 import org.apache.texera.dao.SqlServer
-import org.apache.texera.dao.jooq.generated.enums.PrivilegeEnum
-import org.apache.texera.dao.jooq.generated.tables.daos.{
-  ComputingUnitUserAccessDao,
-  WorkflowComputingUnitDao
+import org.apache.texera.dao.jooq.generated.Tables.{
+  COMPUTING_UNIT_USER_ACCESS,
+  WORKFLOW_COMPUTING_UNIT
 }
+import org.apache.texera.dao.jooq.generated.enums.PrivilegeEnum
 import org.jooq.DSLContext
 
-import scala.jdk.CollectionConverters._
-
 object ComputingUnitAccess {
   private def context: DSLContext =
     SqlServer
       .getInstance()
       .createDSLContext()
 
   def getComputingUnitAccess(cuid: Integer, uid: Integer): PrivilegeEnum = {
-    val workflowComputingUnitDao = new 
WorkflowComputingUnitDao(context.configuration())
-    val unit = workflowComputingUnitDao.fetchOneByCuid(cuid)
-
-    if (unit.getUid.equals(uid)) {
-      return PrivilegeEnum.WRITE // owner has write access
-    }
-
-    val computingUnitUserAccessDao = new 
ComputingUnitUserAccessDao(context.configuration())
-    val accessOpt = computingUnitUserAccessDao
-      .fetchByUid(uid)
-      .asScala
-      .find(_.getCuid.equals(cuid))
-
-    accessOpt match {
-      case Some(access) => access.getPrivilege
-      case None         => PrivilegeEnum.NONE
+    // owner uid + caller's access privilege in one query
+    val record = context
+      .select(WORKFLOW_COMPUTING_UNIT.UID, 
COMPUTING_UNIT_USER_ACCESS.PRIVILEGE)
+      .from(WORKFLOW_COMPUTING_UNIT)
+      .leftJoin(COMPUTING_UNIT_USER_ACCESS)
+      .on(
+        COMPUTING_UNIT_USER_ACCESS.CUID
+          .eq(WORKFLOW_COMPUTING_UNIT.CUID)
+          .and(COMPUTING_UNIT_USER_ACCESS.UID.eq(uid))
+      )
+      .where(WORKFLOW_COMPUTING_UNIT.CUID.eq(cuid))
+      .fetchOne()

Review Comment:
   there is at most one record? can there be more?



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