Examples with SchemaTablePrefix io.trino.spi.connector.SchemaTablePrefix used on opensource projects

Example 1 with SchemaTablePrefix

use of io.trino.spi.connector.SchemaTablePrefix in project trino by trinodb.

the class SystemTablesMetadata method listTableColumns.

@Override
public Map<SchemaTableName, List<ColumnMetadata>> listTableColumns(ConnectorSession session, SchemaTablePrefix prefix) {
    requireNonNull(prefix, "prefix is null");
    if (prefix.getTable().isPresent()) {
        // if table is concrete we just use tables.getSystemTable to support tables which are not listable
        SchemaTableName tableName = prefix.toSchemaTableName();
        return tables.getSystemTable(session, tableName).map(systemTable -> singletonMap(tableName, systemTable.getTableMetadata().getColumns())).orElseGet(ImmutableMap::of);
    }
    ImmutableMap.Builder<SchemaTableName, List<ColumnMetadata>> builder = ImmutableMap.builder();
    for (SystemTable table : tables.listSystemTables(session)) {
        ConnectorTableMetadata tableMetadata = table.getTableMetadata();
        if (prefix.matches(tableMetadata.getTable())) {
            builder.put(tableMetadata.getTable(), tableMetadata.getColumns());
        }
    }
    return builder.buildOrThrow();
}

Example 2 with SchemaTablePrefix

use of io.trino.spi.connector.SchemaTablePrefix in project trino by trinodb.

the class MetadataManager method getViews.

@Override
public Map<QualifiedObjectName, ViewInfo> getViews(Session session, QualifiedTablePrefix prefix) {
    requireNonNull(prefix, "prefix is null");
    Optional<CatalogMetadata> catalog = getOptionalCatalogMetadata(session, prefix.getCatalogName());
    Map<QualifiedObjectName, ViewInfo> views = new LinkedHashMap<>();
    if (catalog.isPresent()) {
        CatalogMetadata catalogMetadata = catalog.get();
        SchemaTablePrefix tablePrefix = prefix.asSchemaTablePrefix();
        for (CatalogName catalogName : catalogMetadata.listConnectorIds()) {
            ConnectorMetadata metadata = catalogMetadata.getMetadataFor(session, catalogName);
            ConnectorSession connectorSession = session.toConnectorSession(catalogName);
            Map<SchemaTableName, ConnectorViewDefinition> viewMap;
            if (tablePrefix.getTable().isPresent()) {
                viewMap = metadata.getView(connectorSession, tablePrefix.toSchemaTableName()).map(view -> ImmutableMap.of(tablePrefix.toSchemaTableName(), view)).orElse(ImmutableMap.of());
            } else {
                viewMap = metadata.getViews(connectorSession, tablePrefix.getSchema());
            }
            for (Entry<SchemaTableName, ConnectorViewDefinition> entry : viewMap.entrySet()) {
                QualifiedObjectName viewName = new QualifiedObjectName(prefix.getCatalogName(), entry.getKey().getSchemaName(), entry.getKey().getTableName());
                views.put(viewName, new ViewInfo(entry.getValue()));
            }
        }
    }
    return ImmutableMap.copyOf(views);
}

Example 3 with SchemaTablePrefix

use of io.trino.spi.connector.SchemaTablePrefix in project trino by trinodb.

the class MetadataManager method getMaterializedViews.

@Override
public Map<QualifiedObjectName, ViewInfo> getMaterializedViews(Session session, QualifiedTablePrefix prefix) {
    requireNonNull(prefix, "prefix is null");
    Optional<CatalogMetadata> catalog = getOptionalCatalogMetadata(session, prefix.getCatalogName());
    Map<QualifiedObjectName, ViewInfo> views = new LinkedHashMap<>();
    if (catalog.isPresent()) {
        CatalogMetadata catalogMetadata = catalog.get();
        SchemaTablePrefix tablePrefix = prefix.asSchemaTablePrefix();
        for (CatalogName catalogName : catalogMetadata.listConnectorIds()) {
            ConnectorMetadata metadata = catalogMetadata.getMetadataFor(session, catalogName);
            ConnectorSession connectorSession = session.toConnectorSession(catalogName);
            Map<SchemaTableName, ConnectorMaterializedViewDefinition> materializedViewMap;
            if (tablePrefix.getTable().isPresent()) {
                materializedViewMap = metadata.getMaterializedView(connectorSession, tablePrefix.toSchemaTableName()).map(view -> ImmutableMap.of(tablePrefix.toSchemaTableName(), view)).orElse(ImmutableMap.of());
            } else {
                materializedViewMap = metadata.getMaterializedViews(connectorSession, tablePrefix.getSchema());
            }
            for (Entry<SchemaTableName, ConnectorMaterializedViewDefinition> entry : materializedViewMap.entrySet()) {
                QualifiedObjectName viewName = new QualifiedObjectName(prefix.getCatalogName(), entry.getKey().getSchemaName(), entry.getKey().getTableName());
                views.put(viewName, new ViewInfo(entry.getValue()));
            }
        }
    }
    return ImmutableMap.copyOf(views);
}

Example 4 with SchemaTablePrefix

use of io.trino.spi.connector.SchemaTablePrefix in project trino by trinodb.

the class HiveMetadata method listTables.

private List<SchemaTableName> listTables(ConnectorSession session, SchemaTablePrefix prefix) {
    if (prefix.getSchema().map(HiveUtil::isHiveSystemSchema).orElse(false)) {
        return ImmutableList.of();
    }
    if (prefix.getTable().isEmpty()) {
        return listTables(session, prefix.getSchema());
    }
    SchemaTableName tableName = prefix.toSchemaTableName();
    Optional<Table> optionalTable;
    try {
        optionalTable = metastore.getTable(tableName.getSchemaName(), tableName.getTableName());
    } catch (HiveViewNotSupportedException e) {
        // exists, would be returned by listTables from schema
        return ImmutableList.of(tableName);
    }
    return optionalTable.filter(table -> !hideDeltaLakeTables || !isDeltaLakeTable(table)).map(table -> ImmutableList.of(tableName)).orElseGet(ImmutableList::of);
}

Example 5 with SchemaTablePrefix

use of io.trino.spi.connector.SchemaTablePrefix in project trino by trinodb.

the class AbstractTestHive method testListUnknownSchema.

@Test
public void testListUnknownSchema() {
    try (Transaction transaction = newTransaction()) {
        ConnectorMetadata metadata = transaction.getMetadata();
        ConnectorSession session = newSession();
        assertNull(metadata.getTableHandle(session, new SchemaTableName(INVALID_DATABASE, INVALID_TABLE)));
        assertEquals(metadata.listTables(session, Optional.of(INVALID_DATABASE)), ImmutableList.of());
        assertEquals(listTableColumns(metadata, session, new SchemaTablePrefix(INVALID_DATABASE, INVALID_TABLE)), ImmutableMap.of());
        assertEquals(metadata.listViews(session, Optional.of(INVALID_DATABASE)), ImmutableList.of());
        assertEquals(metadata.getViews(session, Optional.of(INVALID_DATABASE)), ImmutableMap.of());
        assertEquals(metadata.getView(session, new SchemaTableName(INVALID_DATABASE, INVALID_TABLE)), Optional.empty());
    }
}