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数据仓库服务 GAUSSDB(DWS)-创建GDS外表并导入TPC-H数据:操作步骤

数据仓库服务 GAUSSDB(DWS)-创建GDS外表并导入TPC-H数据:操作步骤

时间：2024-10-25 16:22:19
数据仓库服务 GAUSSDB(DWS)

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;

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