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new af0cf0c050 [Fix](multi catalog)Refresh table object while refresh
external table. (#18592)
af0cf0c050 is described below
commit af0cf0c05009463ad6e771db9ec7faaa58753e57
Author: Jibing-Li <64681310+jibing...@users.noreply.github.com>
AuthorDate: Thu Apr 13 08:49:44 2023 +0800
[Fix](multi catalog)Refresh table object while refresh external table.
(#18592)
Refresh table object while refresh external table. Including:
Refresh catalog, refresh database and refresh table.
Before visiting database, need to guarantee catalog has been initialized.
Before visiting table, need to guarantee catalog and database have been
initialized.
---
.../doris/catalog/external/EsExternalDatabase.java | 1 +
.../doris/catalog/external/EsExternalTable.java | 1 +
.../doris/catalog/external/ExternalDatabase.java | 1 +
.../doris/catalog/external/ExternalTable.java | 14 +-
.../catalog/external/HMSExternalDatabase.java | 1 +
.../doris/catalog/external/HMSExternalTable.java | 18 +--
.../catalog/external/IcebergExternalDatabase.java | 1 +
.../catalog/external/IcebergExternalTable.java | 1 +
.../catalog/external/JdbcExternalDatabase.java | 1 +
.../doris/catalog/external/JdbcExternalTable.java | 1 +
.../catalog/external/TestExternalDatabase.java | 1 +
.../doris/catalog/external/TestExternalTable.java | 5 +-
.../org/apache/doris/datasource/CatalogMgr.java | 4 +
.../apache/doris/datasource/ExternalCatalog.java | 4 +
.../java/org/apache/doris/qe/ShowExecutor.java | 2 -
.../org/apache/doris/catalog/RefreshTableTest.java | 179 +++++++++++++++++++++
16 files changed, 216 insertions(+), 19 deletions(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalDatabase.java
index bd0e322c5f..b69041952e 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalDatabase.java
@@ -99,6 +99,7 @@ public class EsExternalDatabase extends
ExternalDatabase<EsExternalTable> implem
tblId = tableNameToId.get(tableName);
tmpTableNameToId.put(tableName, tblId);
EsExternalTable table = idToTbl.get(tblId);
+ table.unsetObjectCreated();
tmpIdToTbl.put(tblId, table);
initDatabaseLog.addRefreshTable(tblId);
} else {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalTable.java
index 290917e21c..0b2b2cd029 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/EsExternalTable.java
@@ -52,6 +52,7 @@ public class EsExternalTable extends ExternalTable {
}
protected synchronized void makeSureInitialized() {
+ super.makeSureInitialized();
if (!objectCreated) {
esTable = toEsTable();
objectCreated = true;
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalDatabase.java
index d66e5033df..352029872c 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalDatabase.java
@@ -107,6 +107,7 @@ public class ExternalDatabase<T extends ExternalTable>
implements DatabaseIf<T>,
}
public final synchronized void makeSureInitialized() {
+ extCatalog.makeSureInitialized();
if (!initialized) {
if (!Env.getCurrentEnv().isMaster()) {
// Forward to master and wait the journal to replay.
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalTable.java
index 4a2576e846..b0f4798035 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/ExternalTable.java
@@ -21,10 +21,12 @@ import org.apache.doris.alter.AlterCancelException;
import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.Env;
import org.apache.doris.catalog.TableIf;
+import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.DdlException;
import org.apache.doris.common.MetaNotFoundException;
import org.apache.doris.common.io.Text;
import org.apache.doris.common.io.Writable;
+import org.apache.doris.common.util.Util;
import org.apache.doris.datasource.ExternalCatalog;
import org.apache.doris.datasource.ExternalSchemaCache;
import org.apache.doris.persist.gson.GsonPostProcessable;
@@ -103,7 +105,13 @@ public class ExternalTable implements TableIf, Writable,
GsonPostProcessable {
}
protected void makeSureInitialized() {
- throw new NotImplementedException();
+ try {
+ // getDbOrAnalysisException will call makeSureInitialized in
ExternalCatalog.
+ ExternalDatabase db = catalog.getDbOrAnalysisException(dbName);
+ db.makeSureInitialized();
+ } catch (AnalysisException e) {
+ Util.logAndThrowRuntimeException(LOG, String.format("Exception to
get db %s", dbName), e);
+ }
}
@Override
@@ -320,6 +328,10 @@ public class ExternalTable implements TableIf, Writable,
GsonPostProcessable {
throw new NotImplementedException("implement in sub class");
}
+ public void unsetObjectCreated() {
+ this.objectCreated = false;
+ }
+
@Override
public void write(DataOutput out) throws IOException {
String json = GsonUtils.GSON.toJson(this);
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalDatabase.java
index e379dd3c0d..84cf3c4af7 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalDatabase.java
@@ -102,6 +102,7 @@ public class HMSExternalDatabase extends
ExternalDatabase<HMSExternalTable> impl
tblId = tableNameToId.get(tableName);
tmpTableNameToId.put(tableName, tblId);
HMSExternalTable table = idToTbl.get(tblId);
+ table.unsetObjectCreated();
tmpIdToTbl.put(tblId, table);
initDatabaseLog.addRefreshTable(tblId);
} else {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalTable.java
index d6c7b9760c..2405c32a73 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/HMSExternalTable.java
@@ -20,7 +20,6 @@ package org.apache.doris.catalog.external;
import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.HiveMetaStoreClientHelper;
import org.apache.doris.catalog.Type;
-import org.apache.doris.common.MetaNotFoundException;
import org.apache.doris.datasource.HMSExternalCatalog;
import org.apache.doris.datasource.hive.PooledHiveMetaStoreClient;
import org.apache.doris.statistics.AnalysisTaskInfo;
@@ -89,12 +88,9 @@ public class HMSExternalTable extends ExternalTable {
}
protected synchronized void makeSureInitialized() {
+ super.makeSureInitialized();
if (!objectCreated) {
- try {
- getRemoteTable();
- } catch (MetaNotFoundException e) {
- // CHECKSTYLE IGNORE THIS LINE
- }
+ remoteTable = ((HMSExternalCatalog)
catalog).getClient().getTable(dbName, name);
if (remoteTable == null) {
dlaType = DLAType.UNKNOWN;
} else {
@@ -150,14 +146,8 @@ public class HMSExternalTable extends ExternalTable {
/**
* Get the related remote hive metastore table.
*/
- public org.apache.hadoop.hive.metastore.api.Table getRemoteTable() throws
MetaNotFoundException {
- if (remoteTable == null) {
- synchronized (this) {
- if (remoteTable == null) {
- remoteTable = ((HMSExternalCatalog)
catalog).getClient().getTable(dbName, name);
- }
- }
- }
+ public org.apache.hadoop.hive.metastore.api.Table getRemoteTable() {
+ makeSureInitialized();
return remoteTable;
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalDatabase.java
index 9b110c9dcf..db1d1e13ce 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalDatabase.java
@@ -92,6 +92,7 @@ public class IcebergExternalDatabase extends
ExternalDatabase<IcebergExternalTab
tblId = tableNameToId.get(tableName);
tmpTableNameToId.put(tableName, tblId);
IcebergExternalTable table = idToTbl.get(tblId);
+ table.unsetObjectCreated();
tmpIdToTbl.put(tblId, table);
initDatabaseLog.addRefreshTable(tblId);
} else {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalTable.java
index a8998c6365..43c270ac17 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/IcebergExternalTable.java
@@ -47,6 +47,7 @@ public class IcebergExternalTable extends ExternalTable {
}
protected synchronized void makeSureInitialized() {
+ super.makeSureInitialized();
if (!objectCreated) {
objectCreated = true;
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalDatabase.java
index 6eb6340f94..4272d357e0 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalDatabase.java
@@ -71,6 +71,7 @@ public class JdbcExternalDatabase extends
ExternalDatabase<JdbcExternalTable> im
tblId = tableNameToId.get(tableName);
tmpTableNameToId.put(tableName, tblId);
JdbcExternalTable table = idToTbl.get(tblId);
+ table.unsetObjectCreated();
tmpIdToTbl.put(tblId, table);
initDatabaseLog.addRefreshTable(tblId);
} else {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalTable.java
index 8bfafc5539..1f1fd8dcb0 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/JdbcExternalTable.java
@@ -49,6 +49,7 @@ public class JdbcExternalTable extends ExternalTable {
@Override
protected synchronized void makeSureInitialized() {
+ super.makeSureInitialized();
if (!objectCreated) {
jdbcTable = toJdbcTable();
objectCreated = true;
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalDatabase.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalDatabase.java
index f0451a117a..aece45d801 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalDatabase.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalDatabase.java
@@ -64,6 +64,7 @@ public class TestExternalDatabase extends
ExternalDatabase<TestExternalTable> im
tblId = tableNameToId.get(tableName);
tmpTableNameToId.put(tableName, tblId);
TestExternalTable table = idToTbl.get(tblId);
+ table.unsetObjectCreated();
tmpIdToTbl.put(tblId, table);
initDatabaseLog.addRefreshTable(tblId);
} else {
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalTable.java
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalTable.java
index 331bd9ea98..45d6cda903 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalTable.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/catalog/external/TestExternalTable.java
@@ -38,8 +38,9 @@ public class TestExternalTable extends ExternalTable {
}
@Override
- protected synchronized void makeSureInitialized() {
-
+ public synchronized void makeSureInitialized() {
+ super.makeSureInitialized();
+ this.objectCreated = true;
}
@Override
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/datasource/CatalogMgr.java
b/fe/fe-core/src/main/java/org/apache/doris/datasource/CatalogMgr.java
index 9d8c3fe985..d35a481724 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/CatalogMgr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/CatalogMgr.java
@@ -591,6 +591,9 @@ public class CatalogMgr implements Writable,
GsonPostProcessable {
if (table == null) {
throw new DdlException("Table " + tableName + " does not exist in
db " + dbName);
}
+ if (table instanceof ExternalTable) {
+ ((ExternalTable) table).unsetObjectCreated();
+ }
Env.getCurrentEnv().getExtMetaCacheMgr().invalidateTableCache(catalog.getId(),
dbName, tableName);
ExternalObjectLog log = new ExternalObjectLog();
log.setCatalogId(catalog.getId());
@@ -615,6 +618,7 @@ public class CatalogMgr implements Writable,
GsonPostProcessable {
LOG.warn("No table found with id:[{}], it may have been dropped.",
log.getTableId());
return;
}
+ table.unsetObjectCreated();
Env.getCurrentEnv().getExtMetaCacheMgr()
.invalidateTableCache(catalog.getId(), db.getFullName(),
table.getName());
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/datasource/ExternalCatalog.java
b/fe/fe-core/src/main/java/org/apache/doris/datasource/ExternalCatalog.java
index ed900fde02..324105c1fe 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/datasource/ExternalCatalog.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/datasource/ExternalCatalog.java
@@ -150,6 +150,10 @@ public abstract class ExternalCatalog implements
CatalogIf<ExternalDatabase>, Wr
}
}
+ public boolean isInitialized() {
+ return this.initialized;
+ }
+
// init some local objects such as:
// hms client, read properties from hive-site.xml, es client
protected abstract void initLocalObjectsImpl();
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
index 5c5ee09f11..0c240e525f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/ShowExecutor.java
@@ -1005,8 +1005,6 @@ public class ShowExecutor {
? new ShowResultSet(showStmt.getMetaData(), rows)
: new
ShowResultSet(ShowCreateTableStmt.getMaterializedViewMetaData(), rows);
}
- } catch (MetaNotFoundException e) {
- throw new AnalysisException(e.getMessage());
} finally {
table.readUnlock();
}
diff --git
a/fe/fe-core/src/test/java/org/apache/doris/catalog/RefreshTableTest.java
b/fe/fe-core/src/test/java/org/apache/doris/catalog/RefreshTableTest.java
new file mode 100644
index 0000000000..1d8965c813
--- /dev/null
+++ b/fe/fe-core/src/test/java/org/apache/doris/catalog/RefreshTableTest.java
@@ -0,0 +1,179 @@
+// 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.doris.catalog;
+
+import org.apache.doris.analysis.CreateCatalogStmt;
+import org.apache.doris.analysis.DropCatalogStmt;
+import org.apache.doris.analysis.RefreshCatalogStmt;
+import org.apache.doris.analysis.RefreshDbStmt;
+import org.apache.doris.analysis.RefreshTableStmt;
+import org.apache.doris.analysis.TableName;
+import org.apache.doris.catalog.external.ExternalDatabase;
+import org.apache.doris.catalog.external.TestExternalTable;
+import org.apache.doris.common.FeConstants;
+import org.apache.doris.datasource.CatalogIf;
+import org.apache.doris.datasource.ExternalCatalog;
+import org.apache.doris.datasource.test.TestExternalCatalog;
+import org.apache.doris.qe.ConnectContext;
+import org.apache.doris.qe.DdlExecutor;
+import org.apache.doris.utframe.TestWithFeService;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+import java.util.Map;
+
+public class RefreshTableTest extends TestWithFeService {
+ private static Env env;
+ private ConnectContext rootCtx;
+
+ @Override
+ protected void runBeforeAll() throws Exception {
+ FeConstants.runningUnitTest = true;
+ rootCtx = createDefaultCtx();
+ env = Env.getCurrentEnv();
+ // 1. create test catalog
+ CreateCatalogStmt testCatalog = (CreateCatalogStmt)
parseAndAnalyzeStmt("create catalog test1 properties(\n"
+ + " \"type\" = \"test\",\n"
+ + " \"catalog_provider.class\" "
+ + "=
\"org.apache.doris.catalog.RefreshTableTest$RefreshTableProvider\"\n"
+ + ");",
+ rootCtx);
+ env.getCatalogMgr().createCatalog(testCatalog);
+ }
+
+ @Override
+ protected void runAfterAll() throws Exception {
+ super.runAfterAll();
+ rootCtx.setThreadLocalInfo();
+ DropCatalogStmt stmt = (DropCatalogStmt) parseAndAnalyzeStmt("drop
catalog test1");
+ env.getCatalogMgr().dropCatalog(stmt);
+ }
+
+ @Test
+ public void testRefreshCatalog() throws Exception {
+ CatalogIf test1 = env.getCatalogMgr().getCatalog("test1");
+ TestExternalTable table = (TestExternalTable)
test1.getDbNullable("db1").getTable("tbl11").get();
+ Assertions.assertFalse(table.isObjectCreated());
+ table.makeSureInitialized();
+ Assertions.assertTrue(table.isObjectCreated());
+ RefreshCatalogStmt refreshCatalogStmt = new
RefreshCatalogStmt("test1", null);
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshCatalogStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ Assertions.assertTrue(table.isObjectCreated());
+ test1.getDbNullable("db1").getTables();
+ Assertions.assertFalse(table.isObjectCreated());
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshCatalogStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ Assertions.assertFalse(((ExternalCatalog) test1).isInitialized());
+ table.makeSureInitialized();
+ Assertions.assertTrue(((ExternalCatalog) test1).isInitialized());
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshCatalogStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ }
+
+ @Test
+ public void testRefreshDatabase() throws Exception {
+ CatalogIf test1 = env.getCatalogMgr().getCatalog("test1");
+ TestExternalTable table = (TestExternalTable)
test1.getDbNullable("db1").getTable("tbl11").get();
+ Assertions.assertFalse(table.isObjectCreated());
+ table.makeSureInitialized();
+ Assertions.assertTrue(table.isObjectCreated());
+ RefreshDbStmt refreshDbStmt = new RefreshDbStmt("test1", "db1", null);
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshDbStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ Assertions.assertTrue(table.isObjectCreated());
+ test1.getDbNullable("db1").getTables();
+ Assertions.assertFalse(table.isObjectCreated());
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshDbStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ Assertions.assertFalse(((ExternalDatabase)
test1.getDbNullable("db1")).isInitialized());
+ table.makeSureInitialized();
+ Assertions.assertTrue(((ExternalDatabase)
test1.getDbNullable("db1")).isInitialized());
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshDbStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ }
+
+ @Test
+ public void testRefreshTable() throws Exception {
+ CatalogIf test1 = env.getCatalogMgr().getCatalog("test1");
+ TestExternalTable table = (TestExternalTable)
test1.getDbNullable("db1").getTable("tbl11").get();
+ Assertions.assertFalse(table.isObjectCreated());
+ table.makeSureInitialized();
+ Assertions.assertTrue(table.isObjectCreated());
+ RefreshTableStmt refreshTableStmt = new RefreshTableStmt(new
TableName("test1", "db1", "tbl11"));
+ try {
+ DdlExecutor.execute(Env.getCurrentEnv(), refreshTableStmt);
+ } catch (Exception e) {
+ // Do nothing
+ }
+ Assertions.assertFalse(table.isObjectCreated());
+ }
+
+ public static class RefreshTableProvider implements
TestExternalCatalog.TestCatalogProvider {
+ public static final Map<String, Map<String, List<Column>>> MOCKED_META;
+
+ static {
+ MOCKED_META = Maps.newHashMap();
+ Map<String, List<Column>> tblSchemaMap1 = Maps.newHashMap();
+ // db1
+ tblSchemaMap1.put("tbl11", Lists.newArrayList(
+ new Column("a11", PrimitiveType.BIGINT),
+ new Column("a12", PrimitiveType.STRING),
+ new Column("a13", PrimitiveType.FLOAT)));
+ tblSchemaMap1.put("tbl12", Lists.newArrayList(
+ new Column("b21", PrimitiveType.BIGINT),
+ new Column("b22", PrimitiveType.STRING),
+ new Column("b23", PrimitiveType.FLOAT)));
+ MOCKED_META.put("db1", tblSchemaMap1);
+ // db2
+ Map<String, List<Column>> tblSchemaMap2 = Maps.newHashMap();
+ tblSchemaMap2.put("tbl21", Lists.newArrayList(
+ new Column("c11", PrimitiveType.BIGINT),
+ new Column("c12", PrimitiveType.STRING),
+ new Column("c13", PrimitiveType.FLOAT)));
+ MOCKED_META.put("db2", tblSchemaMap2);
+ }
+
+ @Override
+ public Map<String, Map<String, List<Column>>> getMetadata() {
+ return MOCKED_META;
+ }
+ }
+}
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