>From Murtadha Hubail <[email protected]>:

Murtadha Hubail has submitted this change. ( 
https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18212 )

Change subject: [ASTERIXDB-3370][COMP] Collect accessed entities during 
compilation
......................................................................

[ASTERIXDB-3370][COMP] Collect accessed entities during compilation

- user model changes: no
- storage format changes: no
- interface changes: no

Details:

- Collect datasets/views/functions/link for copy-to statement
- Add visitor to collect accessed datasets/views/functions/copyto

Change-Id: Icb2529cd876bbbf40b92635aca0aa9693e9cd154
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/18212
Integration-Tests: Jenkins <[email protected]>
Reviewed-by: Murtadha Hubail <[email protected]>
Tested-by: Jenkins <[email protected]>
---
A 
asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/SqlppLoadAccessedDataset.java
M 
asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
M 
asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/SqlppQueryRewriter.java
A 
asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/EntityDetails.java
M 
asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
5 files changed, 211 insertions(+), 8 deletions(-)

Approvals:
  Murtadha Hubail: Looks good to me, approved
  Jenkins: Verified; Verified




diff --git 
a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
 
b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
index 6424280..3e674fd 100644
--- 
a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
+++ 
b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/translator/QueryTranslator.java
@@ -448,16 +448,16 @@
                         handleLibraryDropStatement(metadataProvider, stmt, 
hcc, requestParameters);
                         break;
                     case CREATE_SYNONYM:
-                        handleCreateSynonymStatement(metadataProvider, stmt);
+                        handleCreateSynonymStatement(metadataProvider, stmt, 
requestParameters);
                         break;
                     case SYNONYM_DROP:
-                        handleDropSynonymStatement(metadataProvider, stmt);
+                        handleDropSynonymStatement(metadataProvider, stmt, 
requestParameters);
                         break;
                     case CREATE_VIEW:
                         handleCreateViewStatement(metadataProvider, stmt, 
stmtRewriter, requestParameters);
                         break;
                     case VIEW_DROP:
-                        handleViewDropStatement(metadataProvider, stmt);
+                        handleViewDropStatement(metadataProvider, stmt, 
requestParameters);
                         break;
                     case LOAD:
                         if (stats.getProfileType() == Stats.ProfileType.FULL) {
@@ -2963,7 +2963,8 @@
         }
     }

-    public void handleViewDropStatement(MetadataProvider metadataProvider, 
Statement stmt) throws Exception {
+    public void handleViewDropStatement(MetadataProvider metadataProvider, 
Statement stmt,
+            IRequestParameters requestParameters) throws Exception {
         ViewDropStatement stmtDrop = (ViewDropStatement) stmt;
         SourceLocation sourceLoc = stmtDrop.getSourceLocation();
         String viewName = stmtDrop.getViewName().getValue();
@@ -2976,14 +2977,14 @@
         }
         lockUtil.dropDatasetBegin(lockManager, metadataProvider.getLocks(), 
databaseName, dataverseName, viewName);
         try {
-            doDropView(metadataProvider, stmtDrop, databaseName, 
dataverseName, viewName);
+            doDropView(metadataProvider, stmtDrop, databaseName, 
dataverseName, viewName, requestParameters);
         } finally {
             metadataProvider.getLocks().unlock();
         }
     }

     protected boolean doDropView(MetadataProvider metadataProvider, 
ViewDropStatement stmtViewDrop, String databaseName,
-            DataverseName dataverseName, String viewName) throws Exception {
+            DataverseName dataverseName, String viewName, IRequestParameters 
requestParameters) throws Exception {
         SourceLocation sourceLoc = stmtViewDrop.getSourceLocation();
         MetadataTransactionContext mdTxnCtx = 
MetadataManager.INSTANCE.beginTransaction();
         metadataProvider.setMetadataTxnContext(mdTxnCtx);
@@ -3787,7 +3788,8 @@
         }
     }

-    protected void handleCreateSynonymStatement(MetadataProvider 
metadataProvider, Statement stmt) throws Exception {
+    protected void handleCreateSynonymStatement(MetadataProvider 
metadataProvider, Statement stmt,
+            IRequestParameters requestParameters) throws Exception {
         CreateSynonymStatement css = (CreateSynonymStatement) stmt;
         metadataProvider.validateDatabaseObjectName(css.getNamespace(), 
css.getSynonymName(), css.getSourceLocation());
         Namespace stmtActiveNamespace = getActiveNamespace(css.getNamespace());
@@ -3843,7 +3845,8 @@
         }
     }

-    protected void handleDropSynonymStatement(MetadataProvider 
metadataProvider, Statement stmt) throws Exception {
+    protected void handleDropSynonymStatement(MetadataProvider 
metadataProvider, Statement stmt,
+            IRequestParameters requestParameters) throws Exception {
         SynonymDropStatement stmtSynDrop = (SynonymDropStatement) stmt;
         String synonymName = stmtSynDrop.getSynonymName();
         
metadataProvider.validateDatabaseObjectName(stmtSynDrop.getNamespace(), 
synonymName,
diff --git 
a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/SqlppQueryRewriter.java
 
b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/SqlppQueryRewriter.java
index cbbb9de..183b5e0 100644
--- 
a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/SqlppQueryRewriter.java
+++ 
b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/SqlppQueryRewriter.java
@@ -73,6 +73,7 @@
 import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppGroupingSetsVisitor;
 import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppInlineUdfsVisitor;
 import 
org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppListInputFunctionRewriteVisitor;
+import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppLoadAccessedDataset;
 import 
org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppRightJoinRewriteVisitor;
 import 
org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppSpecialFunctionNameRewriteVisitor;
 import 
org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppWindowAggregationSugarVisitor;
@@ -200,6 +201,9 @@
         // Rewrites RIGHT OUTER JOINs into LEFT OUTER JOINs if possible
         rewriteRightJoins();

+        // Load all the accessed datasets
+        loadAccessedDatasets();
+
         // Inlines functions and views
         loadAndInlineUdfsAndViews();

@@ -336,6 +340,11 @@
         rewriteTopExpr(visitor, null);
     }

+    protected void loadAccessedDatasets() throws CompilationException {
+        SqlppLoadAccessedDataset visitor = new 
SqlppLoadAccessedDataset(context);
+        rewriteTopExpr(visitor, null);
+    }
+
     protected void loadAndInlineUdfsAndViews() throws CompilationException {
         Pair<Map<FunctionSignature, FunctionDecl>, 
Map<DatasetFullyQualifiedName, ViewDecl>> udfAndViewDecls =
                 loadUdfsAndViews(topStatement);
diff --git 
a/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/SqlppLoadAccessedDataset.java
 
b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/SqlppLoadAccessedDataset.java
new file mode 100644
index 0000000..355b484
--- /dev/null
+++ 
b/asterixdb/asterix-lang-sqlpp/src/main/java/org/apache/asterix/lang/sqlpp/rewrites/visitor/SqlppLoadAccessedDataset.java
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.lang.sqlpp.rewrites.visitor;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.asterix.common.exceptions.AsterixException;
+import org.apache.asterix.common.exceptions.CompilationException;
+import org.apache.asterix.common.functions.FunctionSignature;
+import org.apache.asterix.common.metadata.DataverseName;
+import org.apache.asterix.lang.common.base.Expression;
+import org.apache.asterix.lang.common.base.ILangExpression;
+import org.apache.asterix.lang.common.expression.CallExpr;
+import org.apache.asterix.lang.common.rewrites.LangRewritingContext;
+import org.apache.asterix.lang.common.statement.CopyToStatement;
+import org.apache.asterix.lang.common.statement.ExternalDetailsDecl;
+import org.apache.asterix.lang.common.util.ExpressionUtils;
+import 
org.apache.asterix.lang.sqlpp.visitor.base.AbstractSqlppSimpleExpressionVisitor;
+import org.apache.asterix.metadata.entities.EntityDetails;
+import org.apache.asterix.om.functions.BuiltinFunctions;
+
+public class SqlppLoadAccessedDataset extends 
AbstractSqlppSimpleExpressionVisitor {
+
+    protected final LangRewritingContext context;
+
+    public SqlppLoadAccessedDataset(LangRewritingContext context) {
+        this.context = context;
+    }
+
+    @Override
+    public Expression visit(CopyToStatement stmtCopy, ILangExpression arg) 
throws CompilationException {
+        ExternalDetailsDecl externalDetailsDecl = 
stmtCopy.getExternalDetailsDecl();
+        Map<String, String> properties = externalDetailsDecl.getProperties();
+        String databaseName = properties.getOrDefault("database", "Default");
+        String dataverseNameString = properties.getOrDefault("dataverse", 
"Default");
+        String linkName = properties.getOrDefault("name", "");
+        DataverseName dataverseName;
+        try {
+            dataverseName = 
DataverseName.createFromCanonicalForm(dataverseNameString);
+        } catch (AsterixException e) {
+            throw new IllegalStateException(e);
+        }
+
+        context.getMetadataProvider().addAccessedEntity(
+                new EntityDetails(databaseName, dataverseName, linkName, 
EntityDetails.EntityType.LINK));
+        return super.visit(stmtCopy, arg);
+    }
+
+    @Override
+    public Expression visit(CallExpr expression, ILangExpression arg) {
+        if 
(BuiltinFunctions.DATASET.equals(expression.getFunctionSignature().createFunctionIdentifier()))
 {
+            List<Expression> exprs = expression.getExprList();
+            String databaseName, dataverseNameArg, datasetName;
+            EntityDetails.EntityType entityType;
+            entityType = exprs.size() > 3 && 
Boolean.TRUE.equals(ExpressionUtils.getBooleanLiteral(exprs.get(3)))
+                    ? EntityDetails.EntityType.VIEW : 
EntityDetails.EntityType.DATASET;
+
+            databaseName = ExpressionUtils.getStringLiteral(exprs.get(0));
+            dataverseNameArg = ExpressionUtils.getStringLiteral(exprs.get(1));
+            DataverseName dataverseName;
+            try {
+                dataverseName = 
DataverseName.createFromCanonicalForm(dataverseNameArg);
+            } catch (AsterixException e) {
+                throw new IllegalStateException(e);
+            }
+            datasetName = ExpressionUtils.getStringLiteral(exprs.get(2));
+
+            context.getMetadataProvider()
+                    .addAccessedEntity(new EntityDetails(databaseName, 
dataverseName, datasetName, entityType));
+        } else {
+            FunctionSignature signature = expression.getFunctionSignature();
+            String functionName = signature.getName() + "(" + 
signature.getArity() + ")";
+            context.getMetadataProvider().addAccessedEntity(new 
EntityDetails(signature.getDatabaseName(),
+                    signature.getDataverseName(), functionName, 
EntityDetails.EntityType.FUNCTION));
+        }
+        return expression;
+    }
+}
diff --git 
a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
 
b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
index e861a3f..6ec29da 100644
--- 
a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
+++ 
b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/MetadataProvider.java
@@ -25,10 +25,13 @@
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import java.util.stream.Collectors;

 import org.apache.asterix.common.api.INamespaceResolver;
@@ -76,6 +79,7 @@
 import org.apache.asterix.metadata.entities.DatasourceAdapter;
 import org.apache.asterix.metadata.entities.Datatype;
 import org.apache.asterix.metadata.entities.Dataverse;
+import org.apache.asterix.metadata.entities.EntityDetails;
 import org.apache.asterix.metadata.entities.Feed;
 import org.apache.asterix.metadata.entities.FeedConnection;
 import org.apache.asterix.metadata.entities.FeedPolicyEntity;
@@ -200,6 +204,8 @@
     private final INamespaceResolver namespaceResolver;
     private IDataFormat dataFormat = FormatUtils.getDefaultFormat();
 
+    private final Set<EntityDetails> getAccessedEntities;
+
     public static MetadataProvider 
createWithDefaultNamespace(ICcApplicationContext appCtx) {
         java.util.function.Function<ICcApplicationContext, 
IMetadataProvider<?, ?>> factory =
                 ((ICCExtensionManager) 
appCtx.getExtensionManager()).getMetadataProviderFactory();
@@ -225,6 +231,7 @@
         dataPartitioningProvider = (DataPartitioningProvider) 
appCtx.getDataPartitioningProvider();
         locks = new LockList();
         config = new HashMap<>();
+        getAccessedEntities = new HashSet<>();
         setDefaultNamespace(MetadataConstants.DEFAULT_NAMESPACE);
     }

@@ -1945,6 +1952,14 @@
         }
     }

+    public void addAccessedEntity(EntityDetails entityDetails) {
+        getAccessedEntities.add(entityDetails);
+    }
+
+    public Set<EntityDetails> getGetAccessedEntities() {
+        return Collections.unmodifiableSet(getAccessedEntities);
+    }
+
     private void validateDatabaseObjectNameImpl(String name, SourceLocation 
sourceLoc) throws AlgebricksException {
         if (name == null || name.isEmpty()) {
             throw new AsterixException(ErrorCode.INVALID_DATABASE_OBJECT_NAME, 
sourceLoc, "");
diff --git 
a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/EntityDetails.java
 
b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/EntityDetails.java
new file mode 100644
index 0000000..c030176
--- /dev/null
+++ 
b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entities/EntityDetails.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.asterix.metadata.entities;
+
+import org.apache.asterix.common.metadata.DataverseName;
+
+public class EntityDetails {
+
+    public enum EntityType {
+        DATASET,
+        VIEW,
+        FUNCTION,
+        LINK
+    }
+
+    private final String databaseName;
+    private final DataverseName dataverseName;
+    private final String datasetName;
+    private final EntityType entityType;
+
+    public EntityDetails(String databaseName, DataverseName dataverseName, 
String datasetName, EntityType entityType) {
+        this.databaseName = databaseName;
+        this.dataverseName = dataverseName;
+        this.datasetName = datasetName;
+        this.entityType = entityType;
+    }
+
+    public String getDatabaseName() {
+        return databaseName;
+    }
+
+    public DataverseName getDataverseName() {
+        return dataverseName;
+    }
+
+    public String getDatasetName() {
+        return datasetName;
+    }
+
+    public EntityType getEntityType() {
+        return entityType;
+    }
+}

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Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Change-Id: Icb2529cd876bbbf40b92635aca0aa9693e9cd154
Gerrit-Change-Number: 18212
Gerrit-PatchSet: 6
Gerrit-Owner: Murtadha Hubail <[email protected]>
Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Murtadha Hubail <[email protected]>
Gerrit-CC: Ali Alsuliman <[email protected]>
Gerrit-CC: [email protected]
Gerrit-MessageType: merged

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