Examples with ColumnMetadata com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata used on opensource projects

Example 6 with ColumnMetadata

use of com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata in project java-driver by datastax.

the class TableParser method parseVirtualTable.

TableMetadata parseVirtualTable(AdminRow tableRow, CqlIdentifier keyspaceId, Map<CqlIdentifier, UserDefinedType> userTypes) {
    CqlIdentifier tableId = CqlIdentifier.fromInternal(tableRow.getString("table_name"));
    List<RawColumn> rawColumns = RawColumn.toRawColumns(rows.virtualColumns().getOrDefault(keyspaceId, ImmutableMultimap.of()).get(tableId));
    if (rawColumns.isEmpty()) {
        LOG.warn("[{}] Processing TABLE refresh for {}.{} but found no matching rows, skipping", logPrefix, keyspaceId, tableId);
        return null;
    }
    Collections.sort(rawColumns);
    ImmutableMap.Builder<CqlIdentifier, ColumnMetadata> allColumnsBuilder = ImmutableMap.builder();
    ImmutableList.Builder<ColumnMetadata> partitionKeyBuilder = ImmutableList.builder();
    ImmutableMap.Builder<ColumnMetadata, ClusteringOrder> clusteringColumnsBuilder = ImmutableMap.builder();
    for (RawColumn raw : rawColumns) {
        DataType dataType = rows.dataTypeParser().parse(keyspaceId, raw.dataType, userTypes, context);
        ColumnMetadata column = new DefaultColumnMetadata(keyspaceId, tableId, raw.name, dataType, raw.kind.equals(RawColumn.KIND_STATIC));
        switch(raw.kind) {
            case RawColumn.KIND_PARTITION_KEY:
                partitionKeyBuilder.add(column);
                break;
            case RawColumn.KIND_CLUSTERING_COLUMN:
                clusteringColumnsBuilder.put(column, raw.reversed ? ClusteringOrder.DESC : ClusteringOrder.ASC);
                break;
            default:
        }
        allColumnsBuilder.put(column.getName(), column);
    }
    return new DefaultTableMetadata(keyspaceId, tableId, null, false, true, partitionKeyBuilder.build(), clusteringColumnsBuilder.build(), allColumnsBuilder.build(), Collections.emptyMap(), Collections.emptyMap());
}

Example 7 with ColumnMetadata

use of com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata in project java-driver by datastax.

the class ViewParser method parseView.

public ViewMetadata parseView(AdminRow viewRow, CqlIdentifier keyspaceId, Map<CqlIdentifier, UserDefinedType> userTypes) {
    // Cassandra 3.0 (no views in earlier versions):
    // CREATE TABLE system_schema.views (
    // keyspace_name text,
    // view_name text,
    // base_table_id uuid,
    // base_table_name text,
    // bloom_filter_fp_chance double,
    // caching frozen<map<text, text>>,
    // cdc boolean,
    // comment text,
    // compaction frozen<map<text, text>>,
    // compression frozen<map<text, text>>,
    // crc_check_chance double,
    // dclocal_read_repair_chance double,
    // default_time_to_live int,
    // extensions frozen<map<text, blob>>,
    // gc_grace_seconds int,
    // id uuid,
    // include_all_columns boolean,
    // max_index_interval int,
    // memtable_flush_period_in_ms int,
    // min_index_interval int,
    // read_repair_chance double,
    // speculative_retry text,
    // where_clause text,
    // PRIMARY KEY (keyspace_name, view_name)
    // ) WITH CLUSTERING ORDER BY (view_name ASC)
    CqlIdentifier viewId = CqlIdentifier.fromInternal(viewRow.getString("view_name"));
    UUID uuid = viewRow.getUuid("id");
    CqlIdentifier baseTableId = CqlIdentifier.fromInternal(viewRow.getString("base_table_name"));
    boolean includesAllColumns = MoreObjects.firstNonNull(viewRow.getBoolean("include_all_columns"), false);
    String whereClause = viewRow.getString("where_clause");
    List<RawColumn> rawColumns = RawColumn.toRawColumns(rows.columns().getOrDefault(keyspaceId, ImmutableMultimap.of()).get(viewId));
    if (rawColumns.isEmpty()) {
        LOG.warn("[{}] Processing VIEW refresh for {}.{} but found no matching rows, skipping", logPrefix, keyspaceId, viewId);
        return null;
    }
    Collections.sort(rawColumns);
    ImmutableMap.Builder<CqlIdentifier, ColumnMetadata> allColumnsBuilder = ImmutableMap.builder();
    ImmutableList.Builder<ColumnMetadata> partitionKeyBuilder = ImmutableList.builder();
    ImmutableMap.Builder<ColumnMetadata, ClusteringOrder> clusteringColumnsBuilder = ImmutableMap.builder();
    for (RawColumn raw : rawColumns) {
        DataType dataType = rows.dataTypeParser().parse(keyspaceId, raw.dataType, userTypes, context);
        ColumnMetadata column = new DefaultColumnMetadata(keyspaceId, viewId, raw.name, dataType, raw.kind.equals(RawColumn.KIND_STATIC));
        switch(raw.kind) {
            case RawColumn.KIND_PARTITION_KEY:
                partitionKeyBuilder.add(column);
                break;
            case RawColumn.KIND_CLUSTERING_COLUMN:
                clusteringColumnsBuilder.put(column, raw.reversed ? ClusteringOrder.DESC : ClusteringOrder.ASC);
                break;
            default:
        }
        allColumnsBuilder.put(column.getName(), column);
    }
    Map<CqlIdentifier, Object> options;
    try {
        options = parseOptions(viewRow);
    } catch (Exception e) {
        // Options change the most often, so be especially lenient if anything goes wrong.
        Loggers.warnWithException(LOG, "[{}] Error while parsing options for {}.{}, getOptions() will be empty", logPrefix, keyspaceId, viewId, e);
        options = Collections.emptyMap();
    }
    return new DefaultViewMetadata(keyspaceId, viewId, baseTableId, includesAllColumns, whereClause, uuid, partitionKeyBuilder.build(), clusteringColumnsBuilder.build(), allColumnsBuilder.build(), options);
}

Example 8 with ColumnMetadata

use of com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata in project jnosql-diana-driver by eclipse.

the class QueryUtils method insertUDT.

private static void insertUDT(UDT udt, String keyspace, String columnFamily, CqlSession session, Map<String, Term> values) {
    final Optional<KeyspaceMetadata> keyspaceMetadata = session.getMetadata().getKeyspace(keyspace);
    UserDefinedType userType = keyspaceMetadata.flatMap(ks -> ks.getUserDefinedType(udt.getUserType())).orElseThrow(() -> new IllegalArgumentException("Missing UDT definition"));
    final TableMetadata tableMetadata = keyspaceMetadata.flatMap(k -> k.getTable(columnFamily)).orElseThrow(() -> new IllegalArgumentException("Missing Table definition"));
    final ColumnMetadata columnMetadata = tableMetadata.getColumn(getName(udt)).orElseThrow(() -> new IllegalArgumentException("Missing the column definition"));
    final DataType type = columnMetadata.getType();
    Iterable elements = Iterable.class.cast(udt.get());
    Object udtValue = getUdtValue(userType, elements, type);
    values.put(getName(udt), QueryBuilder.literal(udtValue));
}

Example 9 with ColumnMetadata

use of com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata in project java-driver by datastax.

the class TableParser method parseTable.

public TableMetadata parseTable(AdminRow tableRow, CqlIdentifier keyspaceId, Map<CqlIdentifier, UserDefinedType> userTypes) {
    // Cassandra <= 2.2:
    // CREATE TABLE system.schema_columnfamilies (
    // keyspace_name text,
    // columnfamily_name text,
    // bloom_filter_fp_chance double,
    // caching text,
    // cf_id uuid,
    // column_aliases text, (2.1 only)
    // comment text,
    // compaction_strategy_class text,
    // compaction_strategy_options text,
    // comparator text,
    // compression_parameters text,
    // default_time_to_live int,
    // default_validator text,
    // dropped_columns map<text, bigint>,
    // gc_grace_seconds int,
    // index_interval int,
    // is_dense boolean, (2.1 only)
    // key_aliases text, (2.1 only)
    // key_validator text,
    // local_read_repair_chance double,
    // max_compaction_threshold int,
    // max_index_interval int,
    // memtable_flush_period_in_ms int,
    // min_compaction_threshold int,
    // min_index_interval int,
    // read_repair_chance double,
    // speculative_retry text,
    // subcomparator text,
    // type text,
    // value_alias text, (2.1 only)
    // PRIMARY KEY (keyspace_name, columnfamily_name)
    // ) WITH CLUSTERING ORDER BY (columnfamily_name ASC)
    // 
    // Cassandra 3.0:
    // CREATE TABLE system_schema.tables (
    // keyspace_name text,
    // table_name text,
    // bloom_filter_fp_chance double,
    // caching frozen<map<text, text>>,
    // cdc boolean,
    // comment text,
    // compaction frozen<map<text, text>>,
    // compression frozen<map<text, text>>,
    // crc_check_chance double,
    // dclocal_read_repair_chance double,
    // default_time_to_live int,
    // extensions frozen<map<text, blob>>,
    // flags frozen<set<text>>,
    // gc_grace_seconds int,
    // id uuid,
    // max_index_interval int,
    // memtable_flush_period_in_ms int,
    // min_index_interval int,
    // read_repair_chance double,
    // speculative_retry text,
    // PRIMARY KEY (keyspace_name, table_name)
    // ) WITH CLUSTERING ORDER BY (table_name ASC)
    CqlIdentifier tableId = CqlIdentifier.fromInternal(tableRow.getString(tableRow.contains("table_name") ? "table_name" : "columnfamily_name"));
    UUID uuid = tableRow.contains("id") ? tableRow.getUuid("id") : tableRow.getUuid("cf_id");
    List<RawColumn> rawColumns = RawColumn.toRawColumns(rows.columns().getOrDefault(keyspaceId, ImmutableMultimap.of()).get(tableId));
    if (rawColumns.isEmpty()) {
        LOG.warn("[{}] Processing TABLE refresh for {}.{} but found no matching rows, skipping", logPrefix, keyspaceId, tableId);
        return null;
    }
    boolean isCompactStorage;
    if (tableRow.contains("flags")) {
        Set<String> flags = tableRow.getSetOfString("flags");
        boolean isDense = flags.contains("dense");
        boolean isSuper = flags.contains("super");
        boolean isCompound = flags.contains("compound");
        isCompactStorage = isSuper || isDense || !isCompound;
        boolean isStaticCompact = !isSuper && !isDense && !isCompound;
        if (isStaticCompact) {
            RawColumn.pruneStaticCompactTableColumns(rawColumns);
        } else if (isDense) {
            RawColumn.pruneDenseTableColumnsV3(rawColumns);
        }
    } else {
        boolean isDense = tableRow.getBoolean("is_dense");
        if (isDense) {
            RawColumn.pruneDenseTableColumnsV2(rawColumns);
        }
        DataTypeClassNameCompositeParser.ParseResult comparator = new DataTypeClassNameCompositeParser().parseWithComposite(tableRow.getString("comparator"), keyspaceId, userTypes, context);
        isCompactStorage = isDense || !comparator.isComposite;
    }
    Collections.sort(rawColumns);
    ImmutableMap.Builder<CqlIdentifier, ColumnMetadata> allColumnsBuilder = ImmutableMap.builder();
    ImmutableList.Builder<ColumnMetadata> partitionKeyBuilder = ImmutableList.builder();
    ImmutableMap.Builder<ColumnMetadata, ClusteringOrder> clusteringColumnsBuilder = ImmutableMap.builder();
    ImmutableMap.Builder<CqlIdentifier, IndexMetadata> indexesBuilder = ImmutableMap.builder();
    for (RawColumn raw : rawColumns) {
        DataType dataType = rows.dataTypeParser().parse(keyspaceId, raw.dataType, userTypes, context);
        ColumnMetadata column = new DefaultColumnMetadata(keyspaceId, tableId, raw.name, dataType, raw.kind.equals(RawColumn.KIND_STATIC));
        switch(raw.kind) {
            case RawColumn.KIND_PARTITION_KEY:
                partitionKeyBuilder.add(column);
                break;
            case RawColumn.KIND_CLUSTERING_COLUMN:
                clusteringColumnsBuilder.put(column, raw.reversed ? ClusteringOrder.DESC : ClusteringOrder.ASC);
                break;
            default:
        }
        allColumnsBuilder.put(column.getName(), column);
        IndexMetadata index = buildLegacyIndex(raw, column);
        if (index != null) {
            indexesBuilder.put(index.getName(), index);
        }
    }
    Map<CqlIdentifier, Object> options;
    try {
        options = parseOptions(tableRow);
    } catch (Exception e) {
        // Options change the most often, so be especially lenient if anything goes wrong.
        Loggers.warnWithException(LOG, "[{}] Error while parsing options for {}.{}, getOptions() will be empty", logPrefix, keyspaceId, tableId, e);
        options = Collections.emptyMap();
    }
    Collection<AdminRow> indexRows = rows.indexes().getOrDefault(keyspaceId, ImmutableMultimap.of()).get(tableId);
    for (AdminRow indexRow : indexRows) {
        IndexMetadata index = buildModernIndex(keyspaceId, tableId, indexRow);
        indexesBuilder.put(index.getName(), index);
    }
    return new DefaultTableMetadata(keyspaceId, tableId, uuid, isCompactStorage, false, partitionKeyBuilder.build(), clusteringColumnsBuilder.build(), allColumnsBuilder.build(), options, indexesBuilder.build());
}

Example 10 with ColumnMetadata

use of com.datastax.oss.driver.api.core.metadata.schema.ColumnMetadata in project java-driver by datastax.

the class ConversionsTest method partitionKey.

private List<ColumnMetadata> partitionKey(String... columnNames) {
    ImmutableList.Builder<ColumnMetadata> columns = ImmutableList.builderWithExpectedSize(columnNames.length);
    for (String columnName : columnNames) {
        ColumnMetadata column = mock(ColumnMetadata.class);
        when(column.getName()).thenReturn(CqlIdentifier.fromInternal(columnName));
        columns.add(column);
    }
    return columns.build();
}