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Example 26 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class SchemaJdbcTable method cursor.

@Override
public RecordCursor cursor(ConnectorTransactionHandle transactionHandle, ConnectorSession connectorSession, TupleDomain<Integer> constraint) {
    Session session = toSession(transactionHandle, connectorSession);
    Optional<String> catalogFilter = FilterUtil.stringFilter(constraint, 1);
    Builder table = InMemoryRecordSet.builder(METADATA);
    for (String catalog : filter(listCatalogs(session, metadata, accessControl).keySet(), catalogFilter)) {
        for (String schema : listSchemas(session, metadata, accessControl, catalog)) {
            table.addRow(schema, catalog);
        }
    }
    return table.build().cursor();
}
Also used : TableMetadataBuilder.tableMetadataBuilder(com.facebook.presto.metadata.MetadataUtil.TableMetadataBuilder.tableMetadataBuilder) Builder(com.facebook.presto.spi.InMemoryRecordSet.Builder) Session(com.facebook.presto.Session) ConnectorSession(com.facebook.presto.spi.ConnectorSession) SystemConnectorSessionUtil.toSession(com.facebook.presto.connector.system.SystemConnectorSessionUtil.toSession)

Example 27 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CatalogSystemTable method cursor.

@Override
public RecordCursor cursor(ConnectorTransactionHandle transactionHandle, ConnectorSession connectorSession, TupleDomain<Integer> constraint) {
    Session session = toSession(transactionHandle, connectorSession);
    Builder table = InMemoryRecordSet.builder(CATALOG_TABLE);
    for (Map.Entry<String, ConnectorId> entry : listCatalogs(session, metadata, accessControl).entrySet()) {
        table.addRow(entry.getKey(), entry.getValue().toString());
    }
    return table.build().cursor();
}
Also used : TableMetadataBuilder.tableMetadataBuilder(com.facebook.presto.metadata.MetadataUtil.TableMetadataBuilder.tableMetadataBuilder) Builder(com.facebook.presto.spi.InMemoryRecordSet.Builder) Map(java.util.Map) Session(com.facebook.presto.Session) ConnectorSession(com.facebook.presto.spi.ConnectorSession) SystemConnectorSessionUtil.toSession(com.facebook.presto.connector.system.SystemConnectorSessionUtil.toSession) ConnectorId(com.facebook.presto.connector.ConnectorId)

Example 28 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class AddColumnTask method execute.

@Override
public ListenableFuture<?> execute(AddColumn statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    QualifiedObjectName tableName = createQualifiedObjectName(session, statement, statement.getName());
    Optional<TableHandle> tableHandle = metadata.getTableHandle(session, tableName);
    if (!tableHandle.isPresent()) {
        throw new SemanticException(MISSING_TABLE, statement, "Table '%s' does not exist", tableName);
    }
    accessControl.checkCanAddColumns(session.getRequiredTransactionId(), session.getIdentity(), tableName);
    Map<String, ColumnHandle> columnHandles = metadata.getColumnHandles(session, tableHandle.get());
    ColumnDefinition element = statement.getColumn();
    Type type = metadata.getType(parseTypeSignature(element.getType()));
    if ((type == null) || type.equals(UNKNOWN)) {
        throw new SemanticException(TYPE_MISMATCH, element, "Unknown type for column '%s' ", element.getName());
    }
    if (columnHandles.containsKey(element.getName().toLowerCase(ENGLISH))) {
        throw new SemanticException(COLUMN_ALREADY_EXISTS, statement, "Column '%s' already exists", element.getName());
    }
    metadata.addColumn(session, tableHandle.get(), new ColumnMetadata(element.getName(), type));
    return immediateFuture(null);
}
Also used : ColumnHandle(com.facebook.presto.spi.ColumnHandle) Type(com.facebook.presto.spi.type.Type) ColumnMetadata(com.facebook.presto.spi.ColumnMetadata) TableHandle(com.facebook.presto.metadata.TableHandle) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) Session(com.facebook.presto.Session) SemanticException(com.facebook.presto.sql.analyzer.SemanticException) ColumnDefinition(com.facebook.presto.sql.tree.ColumnDefinition)

Example 29 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CommitTask method execute.

@Override
public ListenableFuture<?> execute(Commit statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    Session session = stateMachine.getSession();
    if (!session.getTransactionId().isPresent()) {
        throw new PrestoException(NOT_IN_TRANSACTION, "No transaction in progress");
    }
    TransactionId transactionId = session.getTransactionId().get();
    stateMachine.clearTransactionId();
    return transactionManager.asyncCommit(transactionId);
}
Also used : PrestoException(com.facebook.presto.spi.PrestoException) Session(com.facebook.presto.Session) TransactionId(com.facebook.presto.transaction.TransactionId)

Example 30 with Session

use of com.facebook.presto.Session in project presto by prestodb.

the class CreateTableTask method execute.

@Override
public ListenableFuture<?> execute(CreateTable statement, TransactionManager transactionManager, Metadata metadata, AccessControl accessControl, QueryStateMachine stateMachine, List<Expression> parameters) {
    checkArgument(!statement.getElements().isEmpty(), "no columns for table");
    Session session = stateMachine.getSession();
    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);
    }
    List<ColumnMetadata> columns = new ArrayList<>();
    Map<String, Object> inheritedProperties = ImmutableMap.of();
    boolean includingProperties = false;
    for (TableElement element : statement.getElements()) {
        if (element instanceof ColumnDefinition) {
            ColumnDefinition column = (ColumnDefinition) element;
            Type type = metadata.getType(parseTypeSignature(column.getType()));
            if ((type == null) || type.equals(UNKNOWN)) {
                throw new SemanticException(TYPE_MISMATCH, column, "Unknown type for column '%s' ", column.getName());
            }
            columns.add(new ColumnMetadata(column.getName(), type, column.getComment().orElse(null), false));
        } 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;
                inheritedProperties = likeTableMetadata.getMetadata().getProperties();
            }
            likeTableMetadata.getColumns().stream().filter(column -> !column.isHidden()).forEach(columns::add);
        } else {
            throw new PrestoException(GENERIC_INTERNAL_ERROR, "Invalid TableElement: " + element.getClass().getName());
        }
    }
    accessControl.checkCanCreateTable(session.getRequiredTransactionId(), session.getIdentity(), tableName);
    ConnectorId connectorId = metadata.getCatalogHandle(session, tableName.getCatalogName()).orElseThrow(() -> new PrestoException(NOT_FOUND, "Catalog does not exist: " + tableName.getCatalogName()));
    Map<String, Object> properties = metadata.getTablePropertyManager().getProperties(connectorId, tableName.getCatalogName(), statement.getProperties(), session, metadata, parameters);
    Map<String, Object> finalProperties = combineProperties(statement.getProperties().keySet(), properties, inheritedProperties);
    ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(tableName.asSchemaTableName(), columns, finalProperties);
    metadata.createTable(session, tableName.getCatalogName(), tableMetadata);
    return immediateFuture(null);
}
Also used : LikeClause(com.facebook.presto.sql.tree.LikeClause) TableMetadata(com.facebook.presto.metadata.TableMetadata) ConnectorTableMetadata(com.facebook.presto.spi.ConnectorTableMetadata) ColumnMetadata(com.facebook.presto.spi.ColumnMetadata) Optional(java.util.Optional) ArrayList(java.util.ArrayList) PrestoException(com.facebook.presto.spi.PrestoException) QualifiedObjectName(com.facebook.presto.metadata.QualifiedObjectName) MetadataUtil.createQualifiedObjectName(com.facebook.presto.metadata.MetadataUtil.createQualifiedObjectName) TableElement(com.facebook.presto.sql.tree.TableElement) ColumnDefinition(com.facebook.presto.sql.tree.ColumnDefinition) Type(com.facebook.presto.spi.type.Type) TableHandle(com.facebook.presto.metadata.TableHandle) ConnectorTableMetadata(com.facebook.presto.spi.ConnectorTableMetadata) Session(com.facebook.presto.Session) SemanticException(com.facebook.presto.sql.analyzer.SemanticException) ConnectorId(com.facebook.presto.connector.ConnectorId)

Aggregations

Session (com.facebook.presto.Session)121 Test (org.testng.annotations.Test)61 QueryId (com.facebook.presto.spi.QueryId)21 MaterializedResult (com.facebook.presto.testing.MaterializedResult)20 SemanticException (com.facebook.presto.sql.analyzer.SemanticException)19 PrestoException (com.facebook.presto.spi.PrestoException)17 TransactionManager (com.facebook.presto.transaction.TransactionManager)16 AccessControl (com.facebook.presto.security.AccessControl)15 AllowAllAccessControl (com.facebook.presto.security.AllowAllAccessControl)14 TransactionManager.createTestTransactionManager (com.facebook.presto.transaction.TransactionManager.createTestTransactionManager)14 QualifiedObjectName (com.facebook.presto.metadata.QualifiedObjectName)13 AccessControlManager (com.facebook.presto.security.AccessControlManager)13 ConnectorId (com.facebook.presto.connector.ConnectorId)12 LocalQueryRunner (com.facebook.presto.testing.LocalQueryRunner)12 Type (com.facebook.presto.spi.type.Type)11 List (java.util.List)11 TableHandle (com.facebook.presto.metadata.TableHandle)10 TpchConnectorFactory (com.facebook.presto.tpch.TpchConnectorFactory)10 Optional (java.util.Optional)10 ColumnHandle (com.facebook.presto.spi.ColumnHandle)9