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datahub/data-model/DDL/ETL_DDL/dataset_metadata.sql

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--
-- Copyright 2015 LinkedIn Corp. All rights reserved.
--
-- Licensed 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.
--
-- create statement for dataset related tables :
-- dict_dataset, dict_dataset_sample, dict_field_detail, dict_dataset_schema_history
-- stagging table for dataset
CREATE TABLE `stg_dict_dataset` (
`name` VARCHAR(200) NOT NULL,
`schema` MEDIUMTEXT,
`schema_type` VARCHAR(50) DEFAULT 'JSON'
COMMENT 'JSON, Hive, DDL, XML, CSV',
`properties` TEXT,
`fields` MEDIUMTEXT,
`db_id` SMALLINT UNSIGNED,
`urn` VARCHAR(200) DEFAULT NULL,
`source` VARCHAR(50) DEFAULT NULL,
`location_prefix` VARCHAR(200) DEFAULT NULL,
`parent_name` VARCHAR(200) DEFAULT NULL
COMMENT 'Schema Name for RDBMS, Group Name for Jobs/Projects/Tracking Datasets on HDFS ',
`storage_type` ENUM('Table', 'View', 'Avro', 'ORC', 'RC', 'Sequence', 'Flat File', 'JSON', 'XML', 'Kafka') DEFAULT NULL,
`ref_dataset_name` VARCHAR(200) DEFAULT NULL,
`ref_dataset_id` INT(11) UNSIGNED DEFAULT NULL
COMMENT 'Refer to Master/Main dataset for Views/ExternalTables',
`status_id` SMALLINT(6) UNSIGNED DEFAULT NULL
COMMENT 'Reserve for dataset status',
`dataset_type` VARCHAR(30) DEFAULT NULL
COMMENT 'hdfs, hive, teradata, mysql, sqlserver, file, nfs, pinot, salesforce, oracle, db2, netezza, cassandra, hbase, qfs, zfs',
`hive_serdes_class` VARCHAR(300) DEFAULT NULL,
`is_partitioned` CHAR(1) DEFAULT NULL,
`partition_layout_pattern_id` SMALLINT(6) DEFAULT NULL,
`sample_partition_full_path` VARCHAR(256)
COMMENT 'sample partition full path of the dataset',
`source_created_time` INT UNSIGNED DEFAULT NULL
COMMENT 'source created time of the flow',
`source_modified_time` INT UNSIGNED DEFAULT NULL
COMMENT 'latest source modified time of the flow',
`created_time` INT UNSIGNED COMMENT 'wherehows created time',
`modified_time` INT UNSIGNED COMMENT 'latest wherehows modified',
`wh_etl_exec_id` BIGINT COMMENT 'wherehows etl execution id that modified this record',
PRIMARY KEY (`db_id`, `urn`)
)
ENGINE = InnoDB
DEFAULT CHARSET = latin1;
-- dataset table
CREATE TABLE `dict_dataset` (
`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
`name` VARCHAR(200) NOT NULL,
`schema` MEDIUMTEXT,
`schema_type` VARCHAR(50) DEFAULT 'JSON'
COMMENT 'JSON, Hive, DDL, XML, CSV',
`properties` TEXT,
`fields` MEDIUMTEXT,
`urn` VARCHAR(200) DEFAULT NULL,
`source` VARCHAR(50) DEFAULT NULL
COMMENT 'The original data source type (for dataset in data warehouse). Oracle, Kafka ...',
`location_prefix` VARCHAR(200) DEFAULT NULL,
`parent_name` VARCHAR(200) DEFAULT NULL
COMMENT 'Schema Name for RDBMS, Group Name for Jobs/Projects/Tracking Datasets on HDFS ',
`storage_type` ENUM('Table', 'View', 'Avro', 'ORC', 'RC', 'Sequence', 'Flat File', 'JSON', 'XML', 'Kafka') DEFAULT NULL,
`ref_dataset_id` INT(11) UNSIGNED DEFAULT NULL
COMMENT 'Refer to Master/Main dataset for Views/ExternalTables',
`status_id` SMALLINT(6) UNSIGNED DEFAULT NULL
COMMENT 'Reserve for dataset status',
`dataset_type` VARCHAR(30) DEFAULT NULL
COMMENT 'hdfs, hive, teradata, mysql, sqlserver, file, nfs, pinot, salesforce, oracle, db2, netezza, cassandra, hbase, qfs, zfs',
`hive_serdes_class` VARCHAR(300) DEFAULT NULL,
`is_partitioned` CHAR(1) DEFAULT NULL,
`partition_layout_pattern_id` SMALLINT(6) DEFAULT NULL,
`sample_partition_full_path` VARCHAR(256)
COMMENT 'sample partition full path of the dataset',
`source_created_time` INT UNSIGNED DEFAULT NULL
COMMENT 'source created time of the flow',
`source_modified_time` INT UNSIGNED DEFAULT NULL
COMMENT 'latest source modified time of the flow',
`created_time` INT UNSIGNED COMMENT 'wherehows created time',
`modified_time` INT UNSIGNED COMMENT 'latest wherehows modified',
`wh_etl_exec_id` BIGINT COMMENT 'wherehows etl execution id that modified this record',
PRIMARY KEY (`id`),
UNIQUE KEY `uq_dataset_urn` (`urn`),
FULLTEXT KEY `fti_datasets_all` (`name`, `schema`, `properties`, `urn`)
)
ENGINE = MyISAM
AUTO_INCREMENT = 0
DEFAULT CHARSET = latin1;
-- stagging table for sample data
CREATE TABLE `stg_dict_dataset_sample` (
`db_id` SMALLINT UNSIGNED,
`urn` VARCHAR(200) NOT NULL DEFAULT '',
`dataset_id` INT(11) DEFAULT NULL,
`ref_urn` VARCHAR(200) NOT NULL DEFAULT '',
`ref_id` INT(11) DEFAULT NULL,
`data` MEDIUMTEXT,
PRIMARY KEY (`db_id`, `urn`),
KEY `ref_urn_key` (`ref_urn`)
)
ENGINE = InnoDB
DEFAULT CHARSET = utf8;
-- sample data table
CREATE TABLE `dict_dataset_sample` (
`id` INT(11) NOT NULL AUTO_INCREMENT,
`dataset_id` INT(11) DEFAULT NULL,
`urn` VARCHAR(200) DEFAULT NULL,
`ref_id` INT(11) DEFAULT NULL
COMMENT 'Reference dataset id of which dataset that we fetch sample from. e.g. for tables we do not have permission, fetch sample data from DWH_STG correspond tables',
`data` MEDIUMTEXT,
`modified` DATETIME DEFAULT NULL,
`created` DATETIME DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `ak_dict_dataset_sample__dataset_id` (`dataset_id`)
)
ENGINE = InnoDB
AUTO_INCREMENT = 0
DEFAULT CHARSET = utf8;
-- stagging table for field detail
CREATE TABLE `stg_dict_field_detail` (
`db_id` SMALLINT UNSIGNED,
`urn` VARCHAR(200) NOT NULL,
`sort_id` SMALLINT(5) UNSIGNED NOT NULL,
`parent_sort_id` SMALLINT(5) UNSIGNED NOT NULL,
`parent_path` VARCHAR(200) DEFAULT NULL,
`field_name` VARCHAR(100) NOT NULL,
`field_label` VARCHAR(100) DEFAULT NULL,
`data_type` VARCHAR(50) NOT NULL,
`data_size` INT(10) UNSIGNED DEFAULT NULL,
`data_precision` TINYINT(3) UNSIGNED DEFAULT NULL,
`data_scale` TINYINT(3) UNSIGNED DEFAULT NULL,
`is_nullable` CHAR(1) DEFAULT NULL,
`is_indexed` CHAR(1) DEFAULT NULL,
`is_partitioned` CHAR(1) DEFAULT NULL,
`is_distributed` CHAR(1) DEFAULT NULL,
`default_value` VARCHAR(200) DEFAULT NULL,
`namespace` VARCHAR(200) DEFAULT NULL,
`description` VARCHAR(1000) DEFAULT NULL,
`last_modified` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`db_id`, `urn`, `sort_id`)
)
ENGINE = InnoDB
DEFAULT CHARSET = utf8;
-- field detail table
CREATE TABLE `dict_field_detail` (
`field_id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
`dataset_id` INT(11) UNSIGNED NOT NULL,
`fields_layout_id` INT(11) UNSIGNED NOT NULL,
`sort_id` SMALLINT(6) UNSIGNED NOT NULL,
`parent_sort_id` SMALLINT(5) UNSIGNED NOT NULL,
`parent_path` VARCHAR(250) DEFAULT NULL,
`field_name` VARCHAR(100) NOT NULL,
`field_label` VARCHAR(100) DEFAULT NULL,
`data_type` VARCHAR(50) NOT NULL,
`data_size` INT(10) UNSIGNED DEFAULT NULL,
`data_precision` TINYINT(4) DEFAULT NULL
COMMENT 'only in decimal type',
`data_fraction` TINYINT(4) DEFAULT NULL
COMMENT 'only in decimal type',
`default_comment_id` INT(11) UNSIGNED DEFAULT NULL
COMMENT 'a list of comment_id',
`comment_ids` VARCHAR(500) DEFAULT NULL,
`is_nullable` CHAR(1) DEFAULT NULL,
`is_indexed` CHAR(1) DEFAULT NULL
COMMENT 'only in RDBMS',
`is_partitioned` CHAR(1) DEFAULT NULL
COMMENT 'only in RDBMS',
`is_distributed` TINYINT(4) DEFAULT NULL
COMMENT 'only in RDBMS',
`default_value` VARCHAR(200) DEFAULT NULL,
`namespace` VARCHAR(200) DEFAULT NULL,
`java_data_type` VARCHAR(50) DEFAULT NULL
COMMENT 'correspond type in java',
`jdbc_data_type` VARCHAR(50) DEFAULT NULL
COMMENT 'correspond type in jdbc',
`pig_data_type` VARCHAR(50) DEFAULT NULL
COMMENT 'correspond type in pig',
`hcatalog_data_type` VARCHAR(50) DEFAULT NULL
COMMENT 'correspond type in hcatalog',
`modified` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`field_id`),
KEY `idx_dict_field__datasetid_fieldname` (`dataset_id`, `field_name`) USING BTREE,
KEY `idx_dict_field__fieldslayoutid` (`fields_layout_id`) USING BTREE
)
ENGINE = MyISAM
AUTO_INCREMENT = 0
DEFAULT CHARSET = utf8
COMMENT = 'Fields/Columns';
-- schema history
CREATE TABLE `dict_dataset_schema_history` (
`id` INT(11) AUTO_INCREMENT NOT NULL,
`dataset_id` INT(11) NULL,
`urn` VARCHAR(128) NOT NULL,
`modified_date` DATE NULL,
`schema` MEDIUMTEXT NULL,
PRIMARY KEY (id),
UNIQUE KEY `uk_dict_dataset_sample_schema_urn` (`urn`, `modified_date`)
)
ENGINE = InnoDB
AUTO_INCREMENT = 0;
-- field comments
CREATE TABLE `dict_dataset_field_comment` (
`field_id` BIGINT(20) NOT NULL,
`comment_id` BIGINT(20) NOT NULL,
`dataset_id` BIGINT(20) NOT NULL,
`is_default` TINYINT(1) NULL DEFAULT '0',
PRIMARY KEY (field_id, comment_id)
)
ENGINE = InnoDB;
-- (table) comments
CREATE TABLE comments (
`id` INT(11) AUTO_INCREMENT NOT NULL,
`text` TEXT NOT NULL,
`user_id` INT(11) NOT NULL,
`dataset_id` INT(11) NOT NULL,
`created` DATETIME NULL,
`modified` DATETIME NULL,
`comment_type` ENUM('Description', 'Grain', 'Partition', 'ETL Schedule', 'DQ Issue', 'Question', 'Comment') NULL,
PRIMARY KEY (id),
KEY `user_id` (`user_id`) USING BTREE,
KEY `dataset_id` (`dataset_id`) USING BTREE,
FULLTEXT KEY `fti_comment` (`text`)
)
ENGINE = InnoDB
CHARACTER SET latin1
COLLATE latin1_swedish_ci
AUTO_INCREMENT = 0;
-- field comments
CREATE TABLE `field_comments` (
`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
`user_id` INT(11) NOT NULL,
`comment` VARCHAR(4000) NOT NULL,
`created` DATETIME NOT NULL,
`modified` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`comment_crc32_checksum` INT(11) UNSIGNED DEFAULT NULL
COMMENT '4-byte CRC32',
PRIMARY KEY (`id`),
FULLTEXT KEY `fti_comment` (`comment`)
)
ENGINE = InnoDB
AUTO_INCREMENT = 0
DEFAULT CHARSET = utf8;
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