Using a PreparedStatement to persist an array of Java Enums to an array of Postgres Enums

Posted by McGin on Stack Overflow See other posts from Stack Overflow or by McGin
Published on 2010-05-26T22:25:51Z Indexed on 2010/05/26 22:31 UTC
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I have a Java Enum:

public enum Equipment { Hood, Blinkers, ToungTie, CheekPieces, Visor, EyeShield, None;}

and a corresponding Postgres enum:

CREATE TYPE equipment AS ENUM ('Hood', 'Blinkers', 'ToungTie', 'CheekPieces', 'Visor', 'EyeShield', 'None');

Within my database I have a table which has a column containing an array of "equipment" items:

CREATE TABLE "Entry" (
    id bigint NOT NULL DEFAULT nextval('seq'::regclass),
    "date" character(10) NOT NULL,
    equipment equipment[]
);

And finally when I am running my application I have an array of the "Equipment" enums which I want to persist to the database using a Prepared Statement, and for the life of me I can't figure out how to do it.

StringBuffer sb =  new StringBuffer("insert into \"Entry\" ");
sb.append("( \"date\", \"equipment \" )");
sb.append(" values ( ?, ? )");
PreparedStatement ps = db.prepareStatement(sb.toString());

ps.setString("2010-10-10");
ps.set???????????

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