| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.drill.exec.store.ischema; |
| |
| public interface InfoSchemaConstants { |
| |
| /** |
| * Name of catalog containing information schema. |
| */ |
| String IS_CATALOG_NAME = "DRILL"; |
| |
| /** |
| * Catalog description |
| */ |
| String IS_CATALOG_DESCRIPTION = "The internal metadata used by Drill"; |
| |
| /** |
| * Catalog connect string. Currently empty |
| */ |
| String IS_CATALOG_CONNECT = ""; |
| |
| /** |
| * Name of information schema. |
| */ |
| String IS_SCHEMA_NAME = "information_schema"; |
| |
| // CATALOGS column names: |
| String CATS_COL_CATALOG_CONNECT = "CATALOG_CONNECT"; |
| String CATS_COL_CATALOG_DESCRIPTION = "CATALOG_DESCRIPTION"; |
| String CATS_COL_CATALOG_NAME = "CATALOG_NAME"; |
| |
| // SCHEMATA column names: |
| String SCHS_COL_CATALOG_NAME = "CATALOG_NAME"; |
| String SCHS_COL_SCHEMA_NAME = "SCHEMA_NAME"; |
| String SCHS_COL_SCHEMA_OWNER = "SCHEMA_OWNER"; |
| String SCHS_COL_TYPE = "TYPE"; |
| String SCHS_COL_IS_MUTABLE = "IS_MUTABLE"; |
| |
| // Common TABLES / VIEWS / COLUMNS columns names: |
| String SHRD_COL_TABLE_CATALOG = "TABLE_CATALOG"; |
| String SHRD_COL_TABLE_SCHEMA = "TABLE_SCHEMA"; |
| String SHRD_COL_TABLE_NAME = "TABLE_NAME"; |
| |
| // Remaining TABLES column names: |
| String TBLS_COL_TABLE_TYPE = "TABLE_TYPE"; |
| String TBLS_COL_TABLE_SOURCE = "TABLE_SOURCE"; |
| String TBLS_COL_LOCATION = "LOCATION"; |
| String TBLS_COL_NUM_ROWS = "NUM_ROWS"; |
| String TBLS_COL_LAST_MODIFIED_TIME = "LAST_MODIFIED_TIME"; |
| |
| // Remaining VIEWS column names: |
| String VIEWS_COL_VIEW_DEFINITION = "VIEW_DEFINITION"; |
| |
| // Remaining COLUMNS column names: |
| String COLS_COL_COLUMN_NAME = "COLUMN_NAME"; |
| String COLS_COL_ORDINAL_POSITION = "ORDINAL_POSITION"; |
| String COLS_COL_COLUMN_DEFAULT = "COLUMN_DEFAULT"; |
| String COLS_COL_IS_NULLABLE = "IS_NULLABLE"; |
| String COLS_COL_DATA_TYPE = "DATA_TYPE"; |
| String COLS_COL_COLUMN_SIZE = "COLUMN_SIZE"; |
| String COLS_COL_CHARACTER_MAXIMUM_LENGTH = "CHARACTER_MAXIMUM_LENGTH"; |
| String COLS_COL_CHARACTER_OCTET_LENGTH = "CHARACTER_OCTET_LENGTH"; |
| String COLS_COL_NUMERIC_PRECISION = "NUMERIC_PRECISION"; |
| String COLS_COL_NUMERIC_PRECISION_RADIX = "NUMERIC_PRECISION_RADIX"; |
| String COLS_COL_NUMERIC_SCALE = "NUMERIC_SCALE"; |
| String COLS_COL_DATETIME_PRECISION = "DATETIME_PRECISION"; |
| String COLS_COL_INTERVAL_TYPE = "INTERVAL_TYPE"; |
| String COLS_COL_INTERVAL_PRECISION = "INTERVAL_PRECISION"; |
| String COLS_COL_COLUMN_FORMAT = "COLUMN_FORMAT"; |
| String COLS_COL_NUM_NULLS = "NUM_NULLS"; |
| String COLS_COL_MIN_VAL = "MIN_VAL"; |
| String COLS_COL_MAX_VAL = "MAX_VAL"; |
| String COLS_COL_NDV = "NDV"; |
| String COLS_COL_EST_NUM_NON_NULLS = "EST_NUM_NON_NULLS"; |
| String COLS_COL_IS_NESTED = "IS_NESTED"; |
| |
| // FILES column names: |
| String FILES_COL_SCHEMA_NAME = SCHS_COL_SCHEMA_NAME; |
| String FILES_COL_ROOT_SCHEMA_NAME = "ROOT_SCHEMA_NAME"; |
| String FILES_COL_WORKSPACE_NAME = "WORKSPACE_NAME"; |
| String FILES_COL_FILE_NAME = "FILE_NAME"; |
| String FILES_COL_RELATIVE_PATH = "RELATIVE_PATH"; |
| String FILES_COL_IS_DIRECTORY = "IS_DIRECTORY"; |
| String FILES_COL_IS_FILE = "IS_FILE"; |
| String FILES_COL_LENGTH = "LENGTH"; |
| String FILES_COL_OWNER = "OWNER"; |
| String FILES_COL_GROUP = "GROUP"; |
| String FILES_COL_PERMISSION = "PERMISSION"; |
| String FILES_COL_ACCESS_TIME = "ACCESS_TIME"; |
| String FILES_COL_MODIFICATION_TIME = "MODIFICATION_TIME"; |
| |
| // Remaining PARTITIONS column names: |
| String PARTITIONS_COL_METADATA_KEY = "METADATA_KEY"; |
| String PARTITIONS_COL_METADATA_TYPE = "METADATA_TYPE"; |
| String PARTITIONS_COL_METADATA_IDENTIFIER = "METADATA_IDENTIFIER"; |
| String PARTITIONS_COL_PARTITION_COLUMN = "PARTITION_COLUMN"; |
| String PARTITIONS_COL_PARTITION_VALUE = "PARTITION_VALUE"; |
| String PARTITIONS_COL_LOCATION = "LOCATION"; |
| String PARTITIONS_COL_LAST_MODIFIED_TIME = "LAST_MODIFIED_TIME"; |
| } |