sql Vertica的のテーブル作成&データ登录について

Posted 2021-05-13

# サンプルデータ作成
$ cat test.csv
"1","A","あ"
"2","B","い"
"3","C","う"
"4","D","え"
"5","E","お"

# テーブル作成
dbadmin=> create table tab1 (col1 varchar(1),col2 varchar(1),col3 varchar(3));

# テーブル構造確認
VMartDB=> \d tab1
                                   List of Fields by Tables
 Schema | Table | Column |    Type    | Size | Default | Not Null | Primary Key | Foreign Key
--------+-------+--------+------------+------+---------+----------+-------------+-------------
 public | tab1  | col1   | varchar(1) |    1 |         | f        | f           |
 public | tab1  | col2   | varchar(1) |    1 |         | f        | f           |
 public | tab1  | col3   | varchar(3) |    3 |         | f        | f           |
(3 rows)

# csvからverticaへインストールする
$ cat test.csv |vsql -w dbadmin -c "copy tab1 from STDIN delimiter ',' enclosed by '\"' DIRECT"

# ロードした結果
$ vsql -w dbadmin -c 'select * from tab1'
 col1 | col2 | col3
------+------+------
 1    | A    | あ
 2    | B    | い
 3    | C    | う
 4    | D    | え
 5    | E    | お
(5 rows)