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RedShiftの日本語あんちょこメモ

Last updated at Posted at 2013-07-03

#サポートしていないPostgreSQLの機能

ここに記載されている。

#データ型

とりあえず、範囲を追加

Data type Aliases Description 範囲
SMALLINT INT2 Signed two-byte integer -32768 to +32767
INTEGER INT, INT4 Signed four-byte integer -2147483648 to +2147483647
BIGINT INT8 Signed eight-byte integer -9223372036854775807 to 9223372036854775807
DECIMAL NUMERIC Exact numeric of selectable precision 可変長
REAL FLOAT4 Single precision floating-point number - 3.40E+38 ~ -1.18E-38、0、および 1.18E-38 ~ 3.40E+38
DOUBLE PRECISION FLOAT8 Double precision floating-point number
BOOLEAN BOOL Logical Boolean (true/false) TRUE, FALSE, NULL
CHAR CHARACTER Fixed-length character string 65535 bytes (64K -1)
VARCHAR CHARACTER VARYING Variable-length character string with a user-defined limit 65535 bytes (64K -1)
DATE Calendar date (year, month, day) 4713 BC to 5874897 AD(1 day)
TIMESTAMP Date and time (without time zone) 4713 BC to 5874897 AD(1 microsecond)

#Copyコマンド
並び替え可能。
こんな感じ。

###"Load data from a file with default values"

copy venue_new(venueid, venuename, venuecity, venuestate) 
from 's3://mybucket/data/venue_noseats.txt' 
credentials 'aws_access_key_id=<your-access-key-id>;
aws_secret_access_key=<your-secret-access-key>' 
delimiter '|';
  • Copy元ファイルに存在するカラムをスキップしてCopyすることはできない。
  • Datetime型のデータをDate型のカラムにCopyすることはできない。
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