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Add redirection awareness for RENAME COLUMN task #11226

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Merged
phd3 merged 1 commit into from
Mar 9, 2022
Merged

Add redirection awareness for RENAME COLUMN task #11226

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14 changes: 7 additions & 7 deletions core/trino-main/src/main/java/io/trino/execution/RenameColumnTask.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
import io.trino.execution.warnings.WarningCollector;
import io.trino.metadata.Metadata;
import io.trino.metadata.QualifiedObjectName;
import io.trino.metadata.RedirectionAwareTableHandle;
import io.trino.metadata.TableHandle;
import io.trino.security.AccessControl;
import io.trino.spi.connector.ColumnHandle;
Expand All @@ -28,7 +29,6 @@

import java.util.List;
import java.util.Map;
import java.util.Optional;

import static com.google.common.util.concurrent.Futures.immediateVoidFuture;
import static io.trino.metadata.MetadataUtil.createQualifiedObjectName;
Expand Down Expand Up @@ -67,20 +67,20 @@ public ListenableFuture<Void> execute(
WarningCollector warningCollector)
{
Session session = stateMachine.getSession();
QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getTable());
Optional<TableHandle> tableHandleOptional = metadata.getTableHandle(session, tableName);
if (tableHandleOptional.isEmpty()) {
QualifiedObjectName originalTableName = createQualifiedObjectName(session, statement, statement.getTable());
RedirectionAwareTableHandle redirectionAwareTableHandle = metadata.getRedirectionAwareTableHandle(session, originalTableName);
if (redirectionAwareTableHandle.getTableHandle().isEmpty()) {
if (!statement.isTableExists()) {
throw semanticException(TABLE_NOT_FOUND, statement, "Table '%s' does not exist", tableName);
throw semanticException(TABLE_NOT_FOUND, statement, "Table '%s' does not exist", originalTableName);
}
return immediateVoidFuture();
}
TableHandle tableHandle = tableHandleOptional.get();
TableHandle tableHandle = redirectionAwareTableHandle.getTableHandle().get();

String source = statement.getSource().getValue().toLowerCase(ENGLISH);
String target = statement.getTarget().getValue().toLowerCase(ENGLISH);

accessControl.checkCanRenameColumn(session.toSecurityContext(), tableName);
accessControl.checkCanRenameColumn(session.toSecurityContext(), redirectionAwareTableHandle.getRedirectedTableName().orElse(originalTableName));

Map<String, ColumnHandle> columnHandles = metadata.getColumnHandles(session, tableHandle);
ColumnHandle columnHandle = columnHandles.get(source);
Expand Down
20 changes: 20 additions & 0 deletions ...product-tests/src/main/java/io/trino/tests/product/hive/TestHiveRedirectionToIceberg.java
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Expand Up @@ -352,6 +352,26 @@ public void testAlterTableDropColumn()
onTrino().executeQuery("DROP TABLE " + icebergTableName);
}

@Test(groups = {HIVE_ICEBERG_REDIRECTIONS, PROFILE_SPECIFIC_TESTS})
public void testAlterTableRenameColumn()
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{
String tableName = "iceberg_alter_table_" + randomTableSuffix();
String hiveTableName = "hive.default." + tableName;
String icebergTableName = "iceberg.default." + tableName;

createIcebergTable(icebergTableName, false);

onTrino().executeQuery("ALTER TABLE " + hiveTableName + " RENAME COLUMN nationkey TO nation_key");

Assertions.assertThat(onTrino().executeQuery("DESCRIBE " + icebergTableName).column(1))
.containsOnly("nation_key", "name", "regionkey", "comment");

assertResultsEqual(
onTrino().executeQuery("TABLE " + icebergTableName),
onTrino().executeQuery("SELECT nationkey as nation_key, name, regionkey, comment FROM tpch.tiny.nation"));
onTrino().executeQuery("DROP TABLE " + icebergTableName);
}

@Test(groups = {HIVE_ICEBERG_REDIRECTIONS, PROFILE_SPECIFIC_TESTS})
public void testCommentTable()
{
Expand Down
16 changes: 16 additions & 0 deletions ...duct-tests/src/main/java/io/trino/tests/product/iceberg/TestIcebergRedirectionToHive.java
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Expand Up @@ -315,6 +315,22 @@ public void testAlterTableAddColumn()
onTrino().executeQuery("DROP TABLE " + hiveTableName);
}

@Test(groups = {HIVE_ICEBERG_REDIRECTIONS, PROFILE_SPECIFIC_TESTS})
public void testAlterTableRenameColumn()
{
String tableName = "hive_rename_column_" + randomTableSuffix();
String hiveTableName = "hive.default." + tableName;
String icebergTableName = "iceberg.default." + tableName;

createHiveTable(hiveTableName, false);

// TODO: support redirects from Iceberg to Hive
assertQueryFailure(() -> onTrino().executeQuery("ALTER TABLE " + icebergTableName + " RENAME COLUMN nationkey TO nation_key"))
.hasMessageMatching("\\QQuery failed (#\\E\\S+\\Q): Not an Iceberg table: default." + tableName);

onTrino().executeQuery("DROP TABLE " + hiveTableName);
}

@Test(groups = {HIVE_ICEBERG_REDIRECTIONS, PROFILE_SPECIFIC_TESTS})
public void testAlterTableDropColumn()
{
Expand Down