use of io.prestosql.security.AccessControl in project hetu-core by openlookeng.
the class TableCommentSystemTable method cursor.
@Override
public RecordCursor cursor(ConnectorTransactionHandle transactionHandle, ConnectorSession connectorSession, TupleDomain<Integer> constraint) {
Optional<String> catalogFilter = stringFilter(constraint, 0);
Optional<String> schemaFilter = stringFilter(constraint, 1);
Optional<String> tableFilter = stringFilter(constraint, 2);
Session session = toSession(transactionHandle, connectorSession);
Builder table = InMemoryRecordSet.builder(COMMENT_TABLE);
for (String catalog : filter(listCatalogs(session, metadata, accessControl).keySet(), catalogFilter)) {
QualifiedTablePrefix prefix = tablePrefix(catalog, schemaFilter, tableFilter);
Set<SchemaTableName> names = ImmutableSet.of();
try {
names = listTables(session, metadata, accessControl, prefix);
} catch (PrestoException e) {
// listTables throws an exception if cannot connect the database
LOG.debug(e, "Failed to get tables for catalog: %s", catalog);
}
for (SchemaTableName name : names) {
QualifiedObjectName tableName = new QualifiedObjectName(prefix.getCatalogName(), name.getSchemaName(), name.getTableName());
Optional<String> comment = Optional.empty();
try {
comment = metadata.getTableHandle(session, tableName).map(handle -> metadata.getTableMetadata(session, handle)).map(metadata -> metadata.getMetadata().getComment()).get();
} catch (PrestoException e) {
// getTableHandle may throw an exception (e.g. Cassandra connector doesn't allow case insensitive column names)
LOG.debug(e, "Failed to get metadata for table: %s", name);
}
table.addRow(prefix.getCatalogName(), name.getSchemaName(), name.getTableName(), comment.orElse(null));
}
}
return table.build().cursor();
}
use of io.prestosql.security.AccessControl in project hetu-core by openlookeng.
the class CreateCubeTask method internalExecute.
@VisibleForTesting
public ListenableFuture<?> internalExecute(CreateCube statement, Metadata metadata, AccessControl accessControl, Session session, QueryStateMachine stateMachine, List<Expression> parameters) {
Optional<CubeMetaStore> optionalCubeMetaStore = cubeManager.getMetaStore(STAR_TREE);
if (!optionalCubeMetaStore.isPresent()) {
throw new RuntimeException("HetuMetaStore is not initialized");
}
QualifiedObjectName cubeName = createQualifiedObjectName(session, statement, statement.getCubeName());
QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getSourceTableName());
Optional<TableHandle> cubeHandle = metadata.getTableHandle(session, cubeName);
Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
if (optionalCubeMetaStore.get().getMetadataFromCubeName(cubeName.toString()).isPresent()) {
if (!statement.isNotExists()) {
throw new SemanticException(CUBE_ALREADY_EXISTS, statement, "Cube '%s' already exists", cubeName);
}
return immediateFuture(null);
}
if (cubeHandle.isPresent()) {
if (!statement.isNotExists()) {
throw new SemanticException(CUBE_OR_TABLE_ALREADY_EXISTS, statement, "Cube or Table '%s' already exists", cubeName);
}
return immediateFuture(null);
}
CatalogName catalogName = metadata.getCatalogHandle(session, cubeName.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog not found: " + cubeName.getCatalogName()));
if (!metadata.isPreAggregationSupported(session, catalogName)) {
throw new PrestoException(StandardErrorCode.NOT_SUPPORTED, String.format("Cube cannot be created on catalog '%s'", catalogName.toString()));
}
if (!tableHandle.isPresent()) {
throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
}
TableMetadata tableMetadata = metadata.getTableMetadata(session, tableHandle.get());
List<String> groupingSet = statement.getGroupingSet().stream().map(s -> s.getValue().toLowerCase(ENGLISH)).collect(Collectors.toList());
Map<String, ColumnMetadata> sourceTableColumns = tableMetadata.getColumns().stream().collect(Collectors.toMap(ColumnMetadata::getName, col -> col));
List<ColumnMetadata> cubeColumns = new ArrayList<>();
Map<String, AggregationSignature> aggregations = new HashMap<>();
Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters, stateMachine.getWarningCollector());
Map<String, Field> fields = analysis.getOutputDescriptor().getAllFields().stream().collect(Collectors.toMap(col -> col.getName().map(String::toLowerCase).get(), col -> col));
for (FunctionCall aggFunction : statement.getAggregations()) {
String aggFunctionName = aggFunction.getName().toString().toLowerCase(ENGLISH);
String argument = aggFunction.getArguments().isEmpty() || aggFunction.getArguments().get(0) instanceof LongLiteral ? null : ((Identifier) aggFunction.getArguments().get(0)).getValue().toLowerCase(ENGLISH);
boolean distinct = aggFunction.isDistinct();
String cubeColumnName = aggFunctionName + "_" + (argument == null ? "all" : argument) + (aggFunction.isDistinct() ? "_distinct" : "");
CubeAggregateFunction cubeAggregateFunction = CubeAggregateFunction.valueOf(aggFunctionName.toUpperCase(ENGLISH));
switch(cubeAggregateFunction) {
case SUM:
aggregations.put(cubeColumnName, AggregationSignature.sum(argument, distinct));
break;
case COUNT:
AggregationSignature aggregationSignature = argument == null ? AggregationSignature.count() : AggregationSignature.count(argument, distinct);
aggregations.put(cubeColumnName, aggregationSignature);
break;
case AVG:
aggregations.put(cubeColumnName, AggregationSignature.avg(argument, distinct));
break;
case MAX:
aggregations.put(cubeColumnName, AggregationSignature.max(argument, distinct));
break;
case MIN:
aggregations.put(cubeColumnName, AggregationSignature.min(argument, distinct));
break;
default:
throw new PrestoException(NOT_SUPPORTED, format("Unsupported aggregation function : %s", aggFunctionName));
}
Field tableField = fields.get(cubeColumnName);
ColumnMetadata cubeCol = new ColumnMetadata(cubeColumnName, tableField.getType(), true, null, null, false, Collections.emptyMap());
cubeColumns.add(cubeCol);
}
accessControl.checkCanCreateTable(session.getRequiredTransactionId(), session.getIdentity(), tableName);
Map<String, Expression> sqlProperties = mapFromProperties(statement.getProperties());
Map<String, Object> properties = metadata.getTablePropertyManager().getProperties(catalogName, cubeName.getCatalogName(), sqlProperties, session, metadata, parameters);
if (properties.containsKey("partitioned_by")) {
List<String> partitionCols = new ArrayList<>(((List<String>) properties.get("partitioned_by")));
// put all partition columns at the end of the list
groupingSet.removeAll(partitionCols);
groupingSet.addAll(partitionCols);
}
for (String dimension : groupingSet) {
if (!sourceTableColumns.containsKey(dimension)) {
throw new SemanticException(MISSING_COLUMN, statement, "Column %s does not exist", dimension);
}
ColumnMetadata tableCol = sourceTableColumns.get(dimension);
ColumnMetadata cubeCol = new ColumnMetadata(dimension, tableCol.getType(), tableCol.isNullable(), null, null, false, tableCol.getProperties());
cubeColumns.add(cubeCol);
}
ConnectorTableMetadata cubeTableMetadata = new ConnectorTableMetadata(cubeName.asSchemaTableName(), ImmutableList.copyOf(cubeColumns), properties);
try {
metadata.createTable(session, cubeName.getCatalogName(), cubeTableMetadata, statement.isNotExists());
} catch (PrestoException e) {
// connectors are not required to handle the ignoreExisting flag
if (!e.getErrorCode().equals(ALREADY_EXISTS.toErrorCode()) || !statement.isNotExists()) {
throw e;
}
}
CubeMetadataBuilder builder = optionalCubeMetaStore.get().getBuilder(cubeName.toString(), tableName.toString());
groupingSet.forEach(dimension -> builder.addDimensionColumn(dimension, dimension));
aggregations.forEach((column, aggregationSignature) -> builder.addAggregationColumn(column, aggregationSignature.getFunction(), aggregationSignature.getDimension(), aggregationSignature.isDistinct()));
builder.addGroup(new HashSet<>(groupingSet));
// Status and Table modified time will be updated on the first insert into the cube
builder.setCubeStatus(CubeStatus.INACTIVE);
builder.setTableLastUpdatedTime(-1L);
statement.getSourceFilter().ifPresent(sourceTablePredicate -> {
sourceTablePredicate = Coercer.addCoercions(sourceTablePredicate, analysis);
builder.withCubeFilter(new CubeFilter(ExpressionFormatter.formatExpression(sourceTablePredicate, Optional.empty())));
});
builder.setCubeLastUpdatedTime(System.currentTimeMillis());
optionalCubeMetaStore.get().persist(builder.build());
return immediateFuture(null);
}
use of io.prestosql.security.AccessControl in project hetu-core by openlookeng.
the class CreateTableTask method internalExecute.
@VisibleForTesting
public ListenableFuture<?> internalExecute(CreateTable statement, Metadata metadata, AccessControl accessControl, Session session, List<Expression> parameters) {
checkArgument(!statement.getElements().isEmpty(), "no columns for table");
QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getName());
Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
if (tableHandle.isPresent()) {
if (!statement.isNotExists()) {
throw new SemanticException(TABLE_ALREADY_EXISTS, statement, "Table '%s' already exists", tableName);
}
return immediateFuture(null);
}
CatalogName catalogName = metadata.getCatalogHandle(session, tableName.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog does not exist: " + tableName.getCatalogName()));
LinkedHashMap<String, ColumnMetadata> columns = new LinkedHashMap<>();
Map<String, Object> inheritedProperties = ImmutableMap.of();
boolean includingProperties = false;
for (TableElement element : statement.getElements()) {
if (element instanceof ColumnDefinition) {
ColumnDefinition column = (ColumnDefinition) element;
String name = column.getName().getValue().toLowerCase(Locale.ENGLISH);
Type type;
try {
type = metadata.getType(parseTypeSignature(column.getType()));
} catch (TypeNotFoundException e) {
throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", column.getType(), column.getName());
}
if (type.equals(UNKNOWN)) {
throw new SemanticException(TYPE_MISMATCH, element, "Unknown type '%s' for column '%s'", column.getType(), column.getName());
}
if (columns.containsKey(name)) {
throw new SemanticException(DUPLICATE_COLUMN_NAME, column, "Column name '%s' specified more than once", column.getName());
}
if (!column.isNullable() && !metadata.getConnectorCapabilities(session, catalogName).contains(NOT_NULL_COLUMN_CONSTRAINT)) {
throw new SemanticException(NOT_SUPPORTED, column, "Catalog '%s' does not support non-null column for column name '%s'", catalogName.getCatalogName(), column.getName());
}
Map<String, Expression> sqlProperties = mapFromProperties(column.getProperties());
Map<String, Object> columnProperties = metadata.getColumnPropertyManager().getProperties(catalogName, tableName.getCatalogName(), sqlProperties, session, metadata, parameters);
columns.put(name, new ColumnMetadata(name, type, column.isNullable(), column.getComment().orElse(null), null, false, columnProperties));
} else if (element instanceof LikeClause) {
LikeClause likeClause = (LikeClause) element;
QualifiedObjectName likeTableName = createQualifiedObjectName(session, statement, likeClause.getTableName());
if (!metadata.getCatalogHandle(session, likeTableName.getCatalogName()).isPresent()) {
throw new SemanticException(MISSING_CATALOG, statement, "LIKE table catalog '%s' does not exist", likeTableName.getCatalogName());
}
if (!tableName.getCatalogName().equals(likeTableName.getCatalogName())) {
throw new SemanticException(NOT_SUPPORTED, statement, "LIKE table across catalogs is not supported");
}
TableHandle likeTable = metadata.getTableHandle(session, likeTableName).orElseThrow(() -> new SemanticException(MISSING_TABLE, statement, "LIKE table '%s' does not exist", likeTableName));
TableMetadata likeTableMetadata = metadata.getTableMetadata(session, likeTable);
Optional<LikeClause.PropertiesOption> propertiesOption = likeClause.getPropertiesOption();
if (propertiesOption.isPresent() && propertiesOption.get().equals(LikeClause.PropertiesOption.INCLUDING)) {
if (includingProperties) {
throw new SemanticException(NOT_SUPPORTED, statement, "Only one LIKE clause can specify INCLUDING PROPERTIES");
}
includingProperties = true;
// Don't inherit location property for sql statement "create table like"
inheritedProperties = likeTableMetadata.getMetadata().getInheritableProperties();
}
likeTableMetadata.getColumns().stream().filter(column -> !column.isHidden()).forEach(column -> {
if (columns.containsKey(column.getName().toLowerCase(Locale.ENGLISH))) {
throw new SemanticException(DUPLICATE_COLUMN_NAME, element, "Column name '%s' specified more than once", column.getName());
}
columns.put(column.getName().toLowerCase(Locale.ENGLISH), column);
});
} else {
throw new PrestoException(GENERIC_INTERNAL_ERROR, "Invalid TableElement: " + element.getClass().getName());
}
}
accessControl.checkCanCreateTable(session.getRequiredTransactionId(), session.getIdentity(), tableName);
Map<String, Expression> sqlProperties = mapFromProperties(statement.getProperties());
Map<String, Object> properties = metadata.getTablePropertyManager().getProperties(catalogName, tableName.getCatalogName(), sqlProperties, session, metadata, parameters);
Map<String, Object> finalProperties = combineProperties(sqlProperties.keySet(), properties, inheritedProperties);
ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(toSchemaTableName(tableName), ImmutableList.copyOf(columns.values()), finalProperties, statement.getComment());
try {
metadata.createTable(session, tableName.getCatalogName(), tableMetadata, statement.isNotExists());
} catch (PrestoException e) {
// connectors are not required to handle the ignoreExisting flag
if (!e.getErrorCode().equals(ALREADY_EXISTS.toErrorCode()) || !statement.isNotExists()) {
throw e;
}
}
return immediateFuture(null);
}
use of io.prestosql.security.AccessControl in project hetu-core by openlookeng.
the class CreateViewTask method execute.
@Override
public ListenableFuture<?> execute(CreateView statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters, HeuristicIndexerManager heuristicIndexerManager) {
Session session = stateMachine.getSession();
QualifiedObjectName name = createQualifiedObjectName(session, statement, statement.getName());
accessControl.checkCanCreateView(session.getRequiredTransactionId(), session.getIdentity(), name);
String sql = getFormattedSql(statement.getQuery(), sqlParser, Optional.of(parameters));
Analysis analysis = analyzeStatement(statement, session, metadata, accessControl, parameters, stateMachine.getWarningCollector());
List<ViewColumn> columns = analysis.getOutputDescriptor(statement.getQuery()).getVisibleFields().stream().map(field -> new ViewColumn(field.getName().get(), field.getType().getTypeSignature())).collect(toImmutableList());
// use DEFINER security by default
Optional<String> owner = Optional.of(session.getUser());
if (statement.getSecurity().orElse(null) == INVOKER) {
owner = Optional.empty();
}
ConnectorViewDefinition definition = new ConnectorViewDefinition(sql, session.getCatalog(), session.getSchema(), columns, owner, !owner.isPresent());
metadata.createView(session, name, definition, statement.isReplace());
return immediateFuture(null);
}
use of io.prestosql.security.AccessControl in project hetu-core by openlookeng.
the class TestAnalyzer method createTestingCatalog.
private Catalog createTestingCatalog(String catalogName, CatalogName catalog) {
CatalogName systemId = createSystemTablesCatalogName(catalog);
Connector connector = createTestingConnector();
InternalNodeManager nodeManager = new InMemoryNodeManager();
return new Catalog(catalogName, catalog, connector, createInformationSchemaCatalogName(catalog), new InformationSchemaConnector(catalogName, nodeManager, metadata, accessControl), systemId, new SystemConnector(nodeManager, connector.getSystemTables(), transactionId -> transactionManager.getConnectorTransaction(transactionId, catalog)));
}
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