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io.trino.testing.TestingMetadata Maven / Gradle / Ivy
/*
* Licensed 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 io.trino.testing;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import io.airlift.slice.Slice;
import io.trino.spi.RefreshType;
import io.trino.spi.TrinoException;
import io.trino.spi.connector.ColumnHandle;
import io.trino.spi.connector.ColumnMetadata;
import io.trino.spi.connector.ConnectorAnalyzeMetadata;
import io.trino.spi.connector.ConnectorInsertTableHandle;
import io.trino.spi.connector.ConnectorMaterializedViewDefinition;
import io.trino.spi.connector.ConnectorMetadata;
import io.trino.spi.connector.ConnectorOutputMetadata;
import io.trino.spi.connector.ConnectorOutputTableHandle;
import io.trino.spi.connector.ConnectorSession;
import io.trino.spi.connector.ConnectorTableHandle;
import io.trino.spi.connector.ConnectorTableLayout;
import io.trino.spi.connector.ConnectorTableMetadata;
import io.trino.spi.connector.ConnectorTableVersion;
import io.trino.spi.connector.ConnectorViewDefinition;
import io.trino.spi.connector.MaterializedViewFreshness;
import io.trino.spi.connector.MaterializedViewNotFoundException;
import io.trino.spi.connector.RetryMode;
import io.trino.spi.connector.SchemaTableName;
import io.trino.spi.connector.SchemaTablePrefix;
import io.trino.spi.connector.ViewNotFoundException;
import io.trino.spi.security.Privilege;
import io.trino.spi.security.TrinoPrincipal;
import io.trino.spi.statistics.ComputedStatistics;
import io.trino.spi.statistics.TableStatisticsMetadata;
import io.trino.spi.type.Type;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.OptionalInt;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkArgument;
import static io.trino.spi.StandardErrorCode.ALREADY_EXISTS;
import static io.trino.spi.StandardErrorCode.NOT_SUPPORTED;
import static io.trino.spi.connector.MaterializedViewFreshness.Freshness.FRESH;
import static io.trino.spi.connector.MaterializedViewFreshness.Freshness.STALE;
import static java.util.Collections.synchronizedSet;
import static java.util.Objects.requireNonNull;
public class TestingMetadata
implements ConnectorMetadata
{
public static final Duration STALE_MV_STALENESS = Duration.ofHours(7);
private final ConcurrentMap tables = new ConcurrentHashMap<>();
private final ConcurrentMap views = new ConcurrentHashMap<>();
private final ConcurrentMap materializedViews = new ConcurrentHashMap<>();
private final Set freshMaterializedViews = synchronizedSet(new HashSet<>());
private final ConcurrentMap queryIdToRefreshType = new ConcurrentHashMap<>();
@Override
public List listSchemaNames(ConnectorSession session)
{
Set schemaNames = new HashSet<>();
for (SchemaTableName schemaTableName : tables.keySet()) {
schemaNames.add(schemaTableName.getSchemaName());
}
return ImmutableList.copyOf(schemaNames);
}
@Override
public ConnectorTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName, Optional startVersion, Optional endVersion)
{
if (startVersion.isPresent() || endVersion.isPresent()) {
throw new TrinoException(NOT_SUPPORTED, "This connector does not support versioned tables");
}
requireNonNull(tableName, "tableName is null");
if (!tables.containsKey(tableName)) {
return null;
}
return new TestingTableHandle(tableName);
}
@Override
public ConnectorTableMetadata getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
{
requireNonNull(tableHandle, "tableHandle is null");
SchemaTableName tableName = getTableName(tableHandle);
ConnectorTableMetadata tableMetadata = tables.get(tableName);
checkArgument(tableMetadata != null, "Table '%s' does not exist", tableName);
return tableMetadata;
}
@Override
public Map getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
{
ImmutableMap.Builder builder = ImmutableMap.builder();
int index = 0;
for (ColumnMetadata columnMetadata : getTableMetadata(session, tableHandle).getColumns()) {
builder.put(columnMetadata.getName(), new TestingColumnHandle(columnMetadata.getName(), index, columnMetadata.getType()));
index++;
}
return builder.buildOrThrow();
}
@Override
public Map> listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
{
requireNonNull(prefix, "prefix is null");
ImmutableMap.Builder> tableColumns = ImmutableMap.builder();
for (SchemaTableName tableName : listTables(session, prefix.getSchema())) {
ImmutableList.Builder columns = ImmutableList.builder();
for (ColumnMetadata column : tables.get(tableName).getColumns()) {
columns.add(new ColumnMetadata(column.getName(), column.getType()));
}
tableColumns.put(tableName, columns.build());
}
return tableColumns.buildOrThrow();
}
@Override
public ConnectorAnalyzeMetadata getStatisticsCollectionMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, Map analyzeProperties)
{
return new ConnectorAnalyzeMetadata(tableHandle, TableStatisticsMetadata.empty());
}
@Override
public ColumnMetadata getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
{
SchemaTableName tableName = getTableName(tableHandle);
int columnIndex = ((TestingColumnHandle) columnHandle).getOrdinalPosition();
return tables.get(tableName).getColumns().get(columnIndex);
}
@Override
public List listTables(ConnectorSession session, Optional schemaName)
{
ImmutableList.Builder builder = ImmutableList.builder();
for (SchemaTableName tableName : tables.keySet()) {
if (schemaName.map(tableName.getSchemaName()::equals).orElse(true)) {
builder.add(tableName);
}
}
return builder.build();
}
@Override
public void renameTable(ConnectorSession session, ConnectorTableHandle tableHandle, SchemaTableName newTableName)
{
// TODO: use locking to do this properly
ConnectorTableMetadata table = getTableMetadata(session, tableHandle);
if (tables.putIfAbsent(newTableName, table) != null) {
throw new IllegalArgumentException("Target table already exists: " + newTableName);
}
tables.remove(table.getTable(), table);
}
@Override
public void createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, boolean ignoreExisting)
{
ConnectorTableMetadata existingTable = tables.putIfAbsent(tableMetadata.getTable(), tableMetadata);
if (existingTable != null && !ignoreExisting) {
throw new IllegalArgumentException("Target table already exists: " + tableMetadata.getTable());
}
}
@Override
public void dropTable(ConnectorSession session, ConnectorTableHandle tableHandle)
{
tables.remove(getTableName(tableHandle));
}
@Override
public void createView(ConnectorSession session, SchemaTableName viewName, ConnectorViewDefinition definition, boolean replace)
{
if (replace) {
views.put(viewName, definition);
}
else if (views.putIfAbsent(viewName, definition) != null) {
throw new TrinoException(ALREADY_EXISTS, "View already exists: " + viewName);
}
}
@Override
public void dropView(ConnectorSession session, SchemaTableName viewName)
{
if (views.remove(viewName) == null) {
throw new ViewNotFoundException(viewName);
}
}
@Override
public List listViews(ConnectorSession session, Optional schemaName)
{
ImmutableList.Builder builder = ImmutableList.builder();
for (SchemaTableName viewName : views.keySet()) {
if (schemaName.map(viewName.getSchemaName()::equals).orElse(true)) {
builder.add(viewName);
}
}
return builder.build();
}
@Override
public Map getViews(ConnectorSession session, Optional schemaName)
{
SchemaTablePrefix prefix = schemaName.map(SchemaTablePrefix::new).orElseGet(SchemaTablePrefix::new);
return ImmutableMap.copyOf(Maps.filterKeys(views, prefix::matches));
}
@Override
public Optional getView(ConnectorSession session, SchemaTableName viewName)
{
return Optional.ofNullable(views.get(viewName));
}
@Override
public void createMaterializedView(
ConnectorSession session,
SchemaTableName viewName,
ConnectorMaterializedViewDefinition definition,
Map properties,
boolean replace,
boolean ignoreExisting)
{
if (replace) {
materializedViews.put(viewName, definition);
}
else if (materializedViews.putIfAbsent(viewName, definition) != null) {
if (ignoreExisting) {
return;
}
throw new TrinoException(ALREADY_EXISTS, "Materialized view already exists: " + viewName);
}
}
@Override
public void renameMaterializedView(ConnectorSession session, SchemaTableName source, SchemaTableName target)
{
// TODO: use locking to do this properly
ConnectorMaterializedViewDefinition materializedView = getMaterializedView(session, source).orElseThrow();
if (materializedViews.putIfAbsent(target, materializedView) != null) {
throw new IllegalArgumentException("Target materialized view already exists: " + target);
}
materializedViews.remove(source, materializedView);
}
@Override
public Optional getMaterializedView(ConnectorSession session, SchemaTableName viewName)
{
return Optional.ofNullable(materializedViews.get(viewName));
}
@Override
public Map getMaterializedViewProperties(ConnectorSession session, SchemaTableName viewName, ConnectorMaterializedViewDefinition materializedViewDefinition)
{
return ImmutableMap.of();
}
@Override
public void dropMaterializedView(ConnectorSession session, SchemaTableName viewName)
{
if (materializedViews.remove(viewName) == null) {
throw new MaterializedViewNotFoundException(viewName);
}
}
@Override
public MaterializedViewFreshness getMaterializedViewFreshness(ConnectorSession session, SchemaTableName name)
{
boolean fresh = freshMaterializedViews.contains(name);
return new MaterializedViewFreshness(
fresh ? FRESH : STALE,
fresh ? Optional.empty() : Optional.of(Instant.now().minus(STALE_MV_STALENESS)));
}
public void markMaterializedViewIsFresh(SchemaTableName name)
{
freshMaterializedViews.add(name);
}
@Override
public boolean delegateMaterializedViewRefreshToConnector(ConnectorSession session, SchemaTableName viewName)
{
return false;
}
@Override
public ConnectorInsertTableHandle beginRefreshMaterializedView(ConnectorSession session, ConnectorTableHandle tableHandle, List sourceTableHandles, RetryMode retryMode, RefreshType refreshType)
{
queryIdToRefreshType.put(session.getQueryId(), refreshType);
return TestingHandle.INSTANCE;
}
@Override
public ConnectorOutputTableHandle beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional layout, RetryMode retryMode)
{
createTable(session, tableMetadata, false);
return TestingHandle.INSTANCE;
}
@Override
public Optional finishCreateTable(ConnectorSession session, ConnectorOutputTableHandle tableHandle, Collection fragments, Collection computedStatistics)
{
return Optional.empty();
}
@Override
public ConnectorInsertTableHandle beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle, List columns, RetryMode retryMode)
{
return TestingHandle.INSTANCE;
}
@Override
public Optional finishInsert(ConnectorSession session, ConnectorInsertTableHandle insertHandle, List sourceTableHandles, Collection fragments, Collection computedStatistics)
{
return Optional.empty();
}
@Override
public void addColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnMetadata column)
{
ConnectorTableMetadata tableMetadata = getTableMetadata(session, tableHandle);
SchemaTableName tableName = getTableName(tableHandle);
ImmutableList.Builder columns = ImmutableList.builder();
columns.addAll(tableMetadata.getColumns());
columns.add(column);
tables.put(tableName, new ConnectorTableMetadata(tableName, columns.build(), tableMetadata.getProperties(), tableMetadata.getComment()));
}
@Override
public void setColumnType(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column, Type type)
{
ConnectorTableMetadata tableMetadata = getTableMetadata(session, tableHandle);
SchemaTableName tableName = getTableName(tableHandle);
List columns = new ArrayList<>(tableMetadata.getColumns());
ColumnMetadata columnMetadata = getColumnMetadata(session, tableHandle, column);
columns.set(columns.indexOf(columnMetadata), ColumnMetadata.builderFrom(columnMetadata).setType(type).build());
tables.put(tableName, new ConnectorTableMetadata(tableName, ImmutableList.copyOf(columns), tableMetadata.getProperties(), tableMetadata.getComment()));
}
@Override
public void renameColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle source, String target)
{
ConnectorTableMetadata tableMetadata = getTableMetadata(session, tableHandle);
SchemaTableName tableName = getTableName(tableHandle);
ColumnMetadata columnMetadata = getColumnMetadata(session, tableHandle, source);
List columns = new ArrayList<>(tableMetadata.getColumns());
columns.set(columns.indexOf(columnMetadata), ColumnMetadata.builderFrom(columnMetadata).setName(target).build());
tables.put(tableName, new ConnectorTableMetadata(tableName, ImmutableList.copyOf(columns), tableMetadata.getProperties(), tableMetadata.getComment()));
}
@Override
public void grantTablePrivileges(ConnectorSession session, SchemaTableName tableName, Set privileges, TrinoPrincipal grantee, boolean grantOption) {}
@Override
public void revokeTablePrivileges(ConnectorSession session, SchemaTableName tableName, Set privileges, TrinoPrincipal grantee, boolean grantOption) {}
public Optional getRefreshType(String queryId)
{
return Optional.ofNullable(queryIdToRefreshType.get(queryId));
}
public void clear()
{
views.clear();
tables.clear();
queryIdToRefreshType.clear();
}
private static SchemaTableName getTableName(ConnectorTableHandle tableHandle)
{
requireNonNull(tableHandle, "tableHandle is null");
checkArgument(tableHandle instanceof TestingTableHandle, "tableHandle is not an instance of TestingTableHandle");
TestingTableHandle testingTableHandle = (TestingTableHandle) tableHandle;
return testingTableHandle.getTableName();
}
public static class TestingTableHandle
implements ConnectorTableHandle
{
private final SchemaTableName tableName;
public TestingTableHandle()
{
this(new SchemaTableName("test-schema", "test-table"));
}
@JsonCreator
public TestingTableHandle(@JsonProperty("tableName") SchemaTableName schemaTableName)
{
this.tableName = requireNonNull(schemaTableName, "schemaTableName is null");
}
@JsonProperty
public SchemaTableName getTableName()
{
return tableName;
}
@Override
public String toString()
{
return tableName.toString();
}
}
public static class TestingColumnHandle
implements ColumnHandle
{
private final String name;
private final OptionalInt ordinalPosition;
private final Optional type;
public TestingColumnHandle(String name)
{
this(name, OptionalInt.empty(), Optional.empty());
}
public TestingColumnHandle(String name, int ordinalPosition, Type type)
{
this(name, OptionalInt.of(ordinalPosition), Optional.of(type));
}
@JsonCreator
public TestingColumnHandle(
@JsonProperty("name") String name,
@JsonProperty("ordinalPosition") OptionalInt ordinalPosition,
@JsonProperty("type") Optional type)
{
this.name = requireNonNull(name, "name is null");
this.ordinalPosition = requireNonNull(ordinalPosition, "ordinalPosition is null");
this.type = requireNonNull(type, "type is null");
}
@JsonProperty
public String getName()
{
return name;
}
public int getOrdinalPosition()
{
return ordinalPosition.orElseThrow(() -> new UnsupportedOperationException("Testing handle was created without ordinal position"));
}
public Type getType()
{
return type.orElseThrow(() -> new UnsupportedOperationException("Testing handle was created without type"));
}
@JsonProperty("ordinalPosition")
public OptionalInt getJsonOrdinalPosition()
{
return ordinalPosition;
}
@JsonProperty("type")
public Optional getJsonType()
{
return type;
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
TestingColumnHandle that = (TestingColumnHandle) o;
return Objects.equals(name, that.name) &&
Objects.equals(ordinalPosition, that.ordinalPosition) &&
Objects.equals(type, that.type);
}
@Override
public int hashCode()
{
return Objects.hash(name, ordinalPosition, type);
}
@Override
public String toString()
{
return toStringHelper(this)
.addValue(ordinalPosition)
.add("name", name)
.add("type", type)
.toString();
}
}
}