更新时间:2024-08-20 GMT+08:00

创建GDS外表并导入TPC-H数据

本文介绍如何通过GDS外表导入TPC-H 1000x数据,表1列出了TPC-H测试数据集中的表数据行数。

TPC-DS请跳过本章节。

表数据行数

表1 TPC-H

序号

表名

行数

1

region

5

2

nation

25

3

supplier

10,000,000

4

customer

150,000,000

5

part

200,000,000

6

partsupp

800,000,000

7

orders

1,500,000,000

8

lineitem

5,999,989,709

操作步骤

  1. 使用gsql连接DWS成功后,执行以下命令创建目标表(8张表)。

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    DROP TABLE IF EXISTS region;
    CREATE TABLE region
    (
        R_REGIONKEY  INT NOT NULL,
        R_NAME       CHAR(25) NOT NULL,
        R_COMMENT    VARCHAR(152)
    )
    with (orientation = column)
    distribute by replication;
    
    DROP TABLE IF EXISTS nation;
    CREATE TABLE nation
    (
        N_NATIONKEY  INT NOT NULL,
        N_NAME       CHAR(25) NOT NULL,
        N_REGIONKEY  INT NOT NULL,
        N_COMMENT    VARCHAR(152)
    )
    with (orientation = column)
    distribute by replication;
    
    DROP TABLE IF EXISTS supplier;
    CREATE TABLE supplier
    (
        S_SUPPKEY     INT NOT NULL,
        S_NAME        CHAR(25) NOT NULL,
        S_ADDRESS     VARCHAR(40) NOT NULL,
        S_NATIONKEY   INT NOT NULL,
        S_PHONE       CHAR(15) NOT NULL,
        S_ACCTBAL     DECIMAL(15,2) NOT NULL,
        S_COMMENT     VARCHAR(101) NOT NULL
    )
    with (orientation = column)
    distribute by hash(S_SUPPKEY);
    
    DROP TABLE IF EXISTS customer;
    CREATE TABLE customer
    (
        C_CUSTKEY     INT NOT NULL,
        C_NAME        VARCHAR(25) NOT NULL,
        C_ADDRESS     VARCHAR(40) NOT NULL,
        C_NATIONKEY   INT NOT NULL,
        C_PHONE       CHAR(15) NOT NULL,
        C_ACCTBAL     DECIMAL(15,2)   NOT NULL,
        C_MKTSEGMENT  CHAR(10) NOT NULL,
        C_COMMENT     VARCHAR(117) NOT NULL
    )
    with (orientation = column)
    distribute by hash(C_CUSTKEY);
    
    DROP TABLE IF EXISTS part;
    CREATE TABLE part
    (
        P_PARTKEY     INT NOT NULL,
        P_NAME        VARCHAR(55) NOT NULL,
        P_MFGR        CHAR(25) NOT NULL,
        P_BRAND       CHAR(10) NOT NULL,
        P_TYPE        VARCHAR(25) NOT NULL,
        P_SIZE        INT NOT NULL,
        P_CONTAINER   CHAR(10) NOT NULL,
        P_RETAILPRICE DECIMAL(15,2) NOT NULL,
        P_COMMENT     VARCHAR(23) NOT NULL
    )
    with (orientation = column)
    distribute by hash(P_PARTKEY);
    
    DROP TABLE IF EXISTS partsupp;
    CREATE TABLE partsupp
    (
        PS_PARTKEY     INT NOT NULL,
        PS_SUPPKEY     INT NOT NULL,
        PS_AVAILQTY    INT NOT NULL,
        PS_SUPPLYCOST  DECIMAL(15,2)  NOT NULL,
        PS_COMMENT     VARCHAR(199) NOT NULL
    )
    with (orientation = column)
    distribute by hash(PS_PARTKEY);
    
    DROP TABLE IF EXISTS orders;
    CREATE TABLE orders
    (
        O_ORDERKEY       BIGINT NOT NULL,
        O_CUSTKEY        INT NOT NULL,
        O_ORDERSTATUS    CHAR(1) NOT NULL,
        O_TOTALPRICE     DECIMAL(15,2) NOT NULL,
        O_ORDERDATE      DATE NOT NULL,
        O_ORDERPRIORITY  CHAR(15) NOT NULL,
        O_CLERK          CHAR(15) NOT NULL,
        O_SHIPPRIORITY   INT NOT NULL,
        O_COMMENT        VARCHAR(79) NOT NULL
    )
    with (orientation = column)
    distribute by hash(O_ORDERKEY)
    PARTITION BY RANGE(O_ORDERDATE)
    (
        PARTITION O_ORDERDATE_1 VALUES LESS THAN('1993-01-01 00:00:00'),
        PARTITION O_ORDERDATE_2 VALUES LESS THAN('1994-01-01 00:00:00'),
        PARTITION O_ORDERDATE_3 VALUES LESS THAN('1995-01-01 00:00:00'),
        PARTITION O_ORDERDATE_4 VALUES LESS THAN('1996-01-01 00:00:00'),
        PARTITION O_ORDERDATE_5 VALUES LESS THAN('1997-01-01 00:00:00'),
        PARTITION O_ORDERDATE_6 VALUES LESS THAN('1998-01-01 00:00:00'),
        PARTITION O_ORDERDATE_7 VALUES LESS THAN('1999-01-01 00:00:00')
    );
    
    DROP TABLE IF EXISTS lineitem;
    CREATE TABLE lineitem
    (
        L_ORDERKEY    BIGINT NOT NULL,
        L_PARTKEY     INT NOT NULL,
        L_SUPPKEY     INT NOT NULL,
        L_LINENUMBER  INT NOT NULL,
        L_QUANTITY    DECIMAL(15,2) NOT NULL,
        L_EXTENDEDPRICE  DECIMAL(15,2) NOT NULL,
        L_DISCOUNT    DECIMAL(15,2) NOT NULL,
        L_TAX         DECIMAL(15,2) NOT NULL,
        L_RETURNFLAG  CHAR(1) NOT NULL,
        L_LINESTATUS  CHAR(1) NOT NULL,
        L_SHIPDATE    DATE NOT NULL,
        L_COMMITDATE  DATE NOT NULL,
        L_RECEIPTDATE DATE NOT NULL,
        L_SHIPINSTRUCT CHAR(25) NOT NULL,
        L_SHIPMODE     CHAR(10) NOT NULL,
        L_COMMENT      VARCHAR(44) NOT NULL
    )
    with (orientation = column)
    distribute by hash(L_ORDERKEY)
    PARTITION BY RANGE(L_SHIPDATE)
    (
        PARTITION L_SHIPDATE_1 VALUES LESS THAN('1993-01-01 00:00:00'),
        PARTITION L_SHIPDATE_2 VALUES LESS THAN('1994-01-01 00:00:00'),
        PARTITION L_SHIPDATE_3 VALUES LESS THAN('1995-01-01 00:00:00'),
        PARTITION L_SHIPDATE_4 VALUES LESS THAN('1996-01-01 00:00:00'),
        PARTITION L_SHIPDATE_5 VALUES LESS THAN('1997-01-01 00:00:00'),
        PARTITION L_SHIPDATE_6 VALUES LESS THAN('1998-01-01 00:00:00'),
        PARTITION L_SHIPDATE_7 VALUES LESS THAN('1999-01-01 00:00:00')
    );
    

  2. 执行以下命令创建GDS外表(8张表)。

    以下每个外表的“gsfs://192.168.0.90:500x/xxx | gsfs://192.168.0.90:500x/xxx”中的IP地址和端口,请替换成安装和启动GDS中的对应的GDS的监听IP和端口。如启动两个GDS,则使用“|”区分。如果启动多个GDS,需要将所有GDS的监听IP和端口配置到外表中。

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    DROP FOREIGN TABLE IF EXISTS region_load;
    CREATE FOREIGN TABLE region_load
    (
        R_REGIONKEY  INT,
        R_NAME       CHAR(25), 
        R_COMMENT    VARCHAR(152)
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/region* | gsfs://192.168.0.90:5001/region*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS nation_load;
    CREATE FOREIGN TABLE nation_load
    (
        N_NATIONKEY  INT,
        N_NAME       CHAR(25),
        N_REGIONKEY  INT,
        N_COMMENT    VARCHAR(152)
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/nation* | gsfs://192.168.0.90:5001/nation*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS supplier_load;
    CREATE FOREIGN TABLE supplier_load
    (
        S_SUPPKEY     INT, 
        S_NAME        CHAR(25), 
        S_ADDRESS     VARCHAR(40), 
        S_NATIONKEY   INT, 
        S_PHONE       CHAR(15), 
        S_ACCTBAL     DECIMAL(15,2), 
        S_COMMENT     VARCHAR(101) 
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/supplier* | gsfs://192.168.0.90:5001/supplier*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS customer_load;
    CREATE FOREIGN TABLE customer_load
    (
        C_CUSTKEY     INT, 
        C_NAME        VARCHAR(25), 
        C_ADDRESS     VARCHAR(40), 
        C_NATIONKEY   INT, 
        C_PHONE       CHAR(15), 
        C_ACCTBAL     DECIMAL(15,2),   
        C_MKTSEGMENT  CHAR(10), 
        C_COMMENT     VARCHAR(117)
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/customer* | gsfs://192.168.0.90:5001/customer*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS part_load;
    CREATE FOREIGN TABLE part_load
    (
        P_PARTKEY     INT, 
        P_NAME        VARCHAR(55), 
        P_MFGR        CHAR(25), 
        P_BRAND       CHAR(10), 
        P_TYPE        VARCHAR(25), 
        P_SIZE        INT, 
        P_CONTAINER   CHAR(10), 
        P_RETAILPRICE DECIMAL(15,2), 
        P_COMMENT     VARCHAR(23) 
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/part.* | gsfs://192.168.0.90:5001/part.*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS partsupp_load;
    CREATE FOREIGN TABLE partsupp_load
    (
        PS_PARTKEY     INT, 
        PS_SUPPKEY     INT,
        PS_AVAILQTY    INT, 
        PS_SUPPLYCOST  DECIMAL(15,2),  
        PS_COMMENT     VARCHAR(199) 
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/partsupp* | gsfs://192.168.0.90:5001/partsupp*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    
    DROP FOREIGN TABLE IF EXISTS orders_load;
    CREATE FOREIGN TABLE orders_load
    (
        O_ORDERKEY       BIGINT, 
        O_CUSTKEY        INT, 
        O_ORDERSTATUS    CHAR(1), 
        O_TOTALPRICE     DECIMAL(15,2), 
        O_ORDERDATE      DATE, 
        O_ORDERPRIORITY  CHAR(15), 
        O_CLERK          CHAR(15), 
        O_SHIPPRIORITY   INT, 
        O_COMMENT        VARCHAR(79) 
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/orders* | gsfs://192.168.0.90:5001/orders*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    
    DROP FOREIGN TABLE IF EXISTS lineitem_load;
    CREATE FOREIGN TABLE lineitem_load
    (
        L_ORDERKEY    BIGINT,
        L_PARTKEY     INT,
        L_SUPPKEY     INT,
        L_LINENUMBER  INT,
        L_QUANTITY    DECIMAL(15,2), 
        L_EXTENDEDPRICE  DECIMAL(15,2), 
        L_DISCOUNT    DECIMAL(15,2), 
        L_TAX         DECIMAL(15,2), 
        L_RETURNFLAG  CHAR(1), 
        L_LINESTATUS  CHAR(1), 
        L_SHIPDATE    DATE, 
        L_COMMITDATE  DATE, 
        L_RECEIPTDATE DATE, 
        L_SHIPINSTRUCT CHAR(25), 
        L_SHIPMODE     CHAR(10), 
        L_COMMENT      VARCHAR(44)
    )
    SERVER gsmpp_server
    OPTIONS(location 'gsfs://192.168.0.90:5000/lineitem* | gsfs://192.168.0.90:5001/lineitem*',
    format 'text',
    delimiter '|',
    encoding 'utf8',
    FILL_MISSING_FIELDS 'true',
    IGNORE_EXTRA_DATA 'true',
    mode 'Normal'
    );
    

  3. 执行以下命令导入数据。

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    INSERT INTO region SELECT * FROM region_load;
    INSERT INTO nation SELECT * FROM nation_load;
    INSERT INTO supplier SELECT * FROM supplier_load;
    INSERT INTO customer SELECT * FROM customer_load;
    INSERT INTO part SELECT * FROM part_load;
    INSERT INTO partsupp SELECT * FROM partsupp_load;
    INSERT INTO orders SELECT * FROM orders_load;
    INSERT INTO lineitem SELECT * FROM lineitem_load;