Examples with ResultSetHandler org.apache.commons.dbutils.ResultSetHandler used on opensource projects

Example 6 with ResultSetHandler

use of org.apache.commons.dbutils.ResultSetHandler in project metacat by Netflix.

the class HiveConnectorFastPartitionService method getPartitionKeys.

private List<FieldSchema> getPartitionKeys(final String databaseName, final String tableName) {
    // Get data source
    final DataSource dataSource = DataSourceManager.get().get(catalogName);
    final ResultSetHandler<List<FieldSchema>> handler = rs -> {
        final List<FieldSchema> result = Lists.newArrayList();
        while (rs.next()) {
            final String name = rs.getString("pkey_name");
            final String type = rs.getString("pkey_type");
            result.add(new FieldSchema(name, type, null));
        }
        return result;
    };
    try (Connection conn = dataSource.getConnection()) {
        return new QueryRunner().query(conn, SQL_GET_PARTITION_KEYS, handler, databaseName, tableName);
    } catch (SQLException e) {
        throw Throwables.propagate(e);
    }
}

Example 7 with ResultSetHandler

use of org.apache.commons.dbutils.ResultSetHandler in project metacat by Netflix.

the class HiveConnectorFastTableService method getTableNames.

@Override
public Map<String, List<QualifiedName>> getTableNames(@Nonnull final ConnectorContext context, @Nonnull final List<String> uris, final boolean prefixSearch) {
    final long start = registry.clock().monotonicTime();
    final Map<String, String> tags = new HashMap<String, String>();
    tags.put("request", HiveMetrics.getTableNames.name());
    final Map<String, List<QualifiedName>> result = Maps.newHashMap();
    // Get data source
    final DataSource dataSource = DataSourceManager.get().get(catalogName);
    // Create the sql
    final StringBuilder queryBuilder = new StringBuilder(SQL_GET_TABLE_NAMES_BY_URI);
    final List<String> params = Lists.newArrayList();
    if (prefixSearch) {
        queryBuilder.append(" and (1=0");
        uris.forEach(uri -> {
            queryBuilder.append(" or location like ?");
            params.add(uri + "%");
        });
        queryBuilder.append(" )");
    } else {
        queryBuilder.append(" and location in (");
        uris.forEach(uri -> {
            queryBuilder.append("?,");
            params.add(uri);
        });
        queryBuilder.deleteCharAt(queryBuilder.length() - 1).append(")");
    }
    // Handler for reading the result set
    ResultSetHandler<Map<String, List<QualifiedName>>> handler = rs -> {
        while (rs.next()) {
            final String schemaName = rs.getString("schema_name");
            final String tableName = rs.getString("table_name");
            final String uri = rs.getString("location");
            List<QualifiedName> names = result.get(uri);
            if (names == null) {
                names = Lists.newArrayList();
                result.put(uri, names);
            }
            names.add(QualifiedName.ofTable(catalogName, schemaName, tableName));
        }
        return result;
    };
    try (Connection conn = dataSource.getConnection()) {
        new QueryRunner().query(conn, queryBuilder.toString(), handler, params.toArray());
    } catch (SQLException e) {
        throw Throwables.propagate(e);
    } finally {
        final long duration = registry.clock().monotonicTime() - start;
        log.debug("### Time taken to complete getTableNames is {} ms", duration);
        this.registry.timer(requestTimerId.withTags(tags)).record(duration, TimeUnit.MILLISECONDS);
    }
    return result;
}

Example 8 with ResultSetHandler

use of org.apache.commons.dbutils.ResultSetHandler in project metacat by Netflix.

the class MysqlUserMetadataService method _getMetadataMap.

@SuppressWarnings("checkstyle:methodname")
private Map<String, ObjectNode> _getMetadataMap(@Nullable final List<?> keys, final String sql) {
    final Map<String, ObjectNode> result = Maps.newHashMap();
    if (keys == null || keys.isEmpty()) {
        return result;
    }
    final List<String> paramVariables = keys.stream().map(s -> "?").collect(Collectors.toList());
    final String[] aKeys = keys.stream().map(Object::toString).toArray(String[]::new);
    final String query = String.format(sql, Joiner.on(",").join(paramVariables));
    final Connection connection = DBUtil.getReadConnection(poolingDataSource);
    try {
        final ResultSetHandler<Void> handler = resultSet -> {
            while (resultSet.next()) {
                final String json = resultSet.getString("data");
                final String name = resultSet.getString("name");
                if (json != null) {
                    try {
                        result.put(name, metacatJson.parseJsonObject(json));
                    } catch (MetacatJsonException e) {
                        log.error("Invalid json '{}' for name '{}'", json, name);
                        throw new UserMetadataServiceException(String.format("Invalid json %s for name %s", json, name), e);
                    }
                }
            }
            return null;
        };
        new QueryRunner().query(connection, query, handler, (Object[]) aKeys);
    } catch (SQLException e) {
        log.error("Sql exception", e);
        throw new UserMetadataServiceException(String.format("Failed to get data for %s", keys), e);
    } finally {
        DBUtil.closeReadConnection(connection);
    }
    return result;
}

Example 9 with ResultSetHandler

use of org.apache.commons.dbutils.ResultSetHandler in project metacat by Netflix.

the class MysqlUserMetadataService method searchByOwners.

@Override
public List<QualifiedName> searchByOwners(final Set<String> owners) {
    final List<QualifiedName> result = Lists.newArrayList();
    final StringBuilder query = new StringBuilder(SQL.SEARCH_DEFINITION_METADATA_NAMES);
    final List<Object> paramList = Lists.newArrayList();
    query.append(" where 1=0");
    owners.forEach(s -> {
        query.append(" or data like ?");
        paramList.add("%\"userId\":\"" + s.trim() + "\"%");
    });
    final Object[] params = new Object[paramList.size()];
    final Connection connection = DBUtil.getReadConnection(poolingDataSource);
    try {
        // Handler for reading the result set
        final ResultSetHandler<Void> handler = rs -> {
            while (rs.next()) {
                final String definitionName = rs.getString("name");
                result.add(QualifiedName.fromString(definitionName, false));
            }
            return null;
        };
        new QueryRunner().query(connection, query.toString(), handler, paramList.toArray(params));
    } catch (SQLException e) {
        log.error("Sql exception", e);
        throw new UserMetadataServiceException("Failed to get definition data", e);
    } finally {
        DBUtil.closeReadConnection(connection);
    }
    return result;
}

Example 10 with ResultSetHandler

use of org.apache.commons.dbutils.ResultSetHandler in project metacat by Netflix.

the class MysqlUserMetadataService method searchDefinitionMetadatas.

@Override
public List<DefinitionMetadataDto> searchDefinitionMetadatas(final Set<String> propertyNames, final String type, final String name, final String sortBy, final String sortOrder, final Integer offset, final Integer limit) {
    final List<DefinitionMetadataDto> result = Lists.newArrayList();
    final StringBuilder query = new StringBuilder(SQL.SEARCH_DEFINITION_METADATAS);
    final List<Object> paramList = Lists.newArrayList();
    if (type != null) {
        String typeRegex = null;
        switch(type) {
            case "database":
                typeRegex = "^[^/]*/[^/]*$";
                break;
            case "table":
                typeRegex = "^[^/]*/[^/]*/[^/]*$";
                break;
            case "partition":
                typeRegex = "^[^/]*/[^/]*/[^/]*/.*$";
                break;
            default:
        }
        if (typeRegex != null) {
            query.append(" and name rlike ?");
            paramList.add(typeRegex);
        }
    }
    if (propertyNames != null && !propertyNames.isEmpty()) {
        propertyNames.forEach(propertyName -> {
            query.append(" and data like ?");
            paramList.add("%\"" + propertyName + "\":%");
        });
    }
    if (!Strings.isNullOrEmpty(name)) {
        query.append(" and name like ?");
        paramList.add(name);
    }
    if (!Strings.isNullOrEmpty(sortBy)) {
        query.append(" order by ").append(sortBy);
        if (!Strings.isNullOrEmpty(sortOrder)) {
            query.append(" ").append(sortOrder);
        }
    }
    if (limit != null) {
        query.append(" limit ");
        if (offset != null) {
            query.append(offset).append(",");
        }
        query.append(limit);
    }
    final Object[] params = new Object[paramList.size()];
    final Connection connection = DBUtil.getReadConnection(poolingDataSource);
    try {
        // Handler for reading the result set
        final ResultSetHandler<Void> handler = rs -> {
            while (rs.next()) {
                final String definitionName = rs.getString("name");
                final String data = rs.getString("data");
                final DefinitionMetadataDto definitionMetadataDto = new DefinitionMetadataDto();
                definitionMetadataDto.setName(QualifiedName.fromString(definitionName));
                definitionMetadataDto.setDefinitionMetadata(metacatJson.parseJsonObject(data));
                result.add(definitionMetadataDto);
            }
            return null;
        };
        new QueryRunner().query(connection, query.toString(), handler, paramList.toArray(params));
    } catch (SQLException e) {
        log.error("Sql exception", e);
        throw new UserMetadataServiceException("Failed to get definition data", e);
    } finally {
        DBUtil.closeReadConnection(connection);
    }
    return result;
}