Re: Re: mysql to Pgsql
От | Bruce Momjian |
---|---|
Тема | Re: Re: mysql to Pgsql |
Дата | |
Msg-id | 200105041731.f44HV9427795@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: mysql to Pgsql (Vivek Khera <khera@kcilink.com>) |
Список | pgsql-general |
We really need those changes merged into the scripts for the next guy. Ideally, I would like the two /contrib scripts merged to make a better one. > >>>>> "BM" == Bruce Momjian <pgman@candle.pha.pa.us> writes: > > BM> [ Charset ISO-8859-1 unsupported, converting... ] > >> I think I heard about a script that would convert mysql dump files to Pgsql > >> dumps. Can someone remind me where they are? > > BM> In 7.1 /contrib. > > I started with trying several scripts. All of them leave some mysql > turds lying around after their "translation". I ended up doing it > manually, and took some notes. Here's what I did: > > --cut here-- > change # comments to -- comments > > change "int(10)" to "integer" > > change "integer unsigned NOT NULL auto_increment" fields to type > "SERIAL PRIMARY KEY" > > change "integer unsigned" to "integer check(colname >= 0)" > > change "mediumtext" => "text" > > remove "Type = XXX" table option at end of create statements. > > change "timestamp(14)" => "timestamp default 'NOW()'" .. probably need > trigger to update this kind of timestamp on every update as well. > > change "datetime" => "timestamp" > > move "KEY" indexes after column create with CREATE INDEX > > change "enum" fields to "varchar(X) check (fn in ('...','...'))" > > change "set" fields to some type of text field, and make app convert > to/from comma separated string of values. > > change "tinyint(N)" to "smallint" > > change "UNIQUE KEY name" to "UNIQUE" > > delete "binary" attributes to char fields. > > delete any "default NULL" as they are redundant. > > "text NOT NULL" needs to have "default ''" for same behavior as in mysql. > > > -- > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Vivek Khera, Ph.D. Khera Communications, Inc. > Internet: khera@kciLink.com Rockville, MD +1-240-453-8497 > AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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