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PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢
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- CREATE TABLE person (
- id SERIAL,
- name TEXT
- );
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+PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼«Æ°ºî
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+ id SERIAL,
+ name TEXT
+ );
¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹:
- CREATE SEQUENCE person_id_seq;
- CREATE TABLE person (
- id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
- name TEXT
- );
- CREATE UNIQUE INDEX person_id_key ON person ( id );
-
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- INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
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+ CREATE SEQUENCE person_id_seq;
+ CREATE TABLE person (
+ id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
+ name TEXT
+ );
+ CREATE UNIQUE INDEX person_id_key ON person ( id );
+ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò¤´Í÷
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+¤ê¤Þ¤¹¡£ Bruce Momjian ¤Î(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î
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+ INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
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+ INSERT INTO person (name) VALUES ('Blaise Pascal');
+ $newID = currval('person_id_seq');
+ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢
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CREATE TABLE new_table(old_oid oid, mycol int);
SELECT old_oid, mycol INTO new FROM old;
COPY new TO '/tmp/pgtable';
DELETE FROM new;
COPY new WITH OIDS FROM '/tmp/pgtable';
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