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+ CREATE INDEX tabindex ON tab (lower(col));
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+ CREATE SEQUENCE person_id_seq;
+ CREATE TABLE person (
+ id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
+ name TEXT
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+ new_id = execute("SELECT nextval('person_id_seq')");
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+ CREATE TABLE new(old_oid oid, mycol int);
+ SELECT old_oid, mycol INTO new FROM old;
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- Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." Proc of
- the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57.
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PostgreSQL Ö§³Ö SERIAL Êý¾ÝÀàÐÍ¡£ËüÔÚ×Ö¶ÎÉÏ×Ô¶¯´´½¨Ò»¸öÐòÁкÍË÷Òý¡£ÀýÈ磬
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- ²Î¿¼ create_sequence ÊÖ²áÒ³»ñÈ¡¹ØÓÚÐòÁеĸü¶àÐÅÏ¢¡£Ä㻹¿ÉÒÔÓÃÿÐÐµÄ oid ×Ö¶Î×÷Ϊһ¸öΨһֵ¡£²»¹ý£¬Èç¹ûÄãÐèÒªÇãµ¹ºÍÖØÔØÊý¾Ý¿â£¬ÄãÐèҪʹÓà pg_dump µÄ -o Ñ¡Ïî»òÕß COPY WITH OIDS Ñ¡ÏîÒÔ±£Áô OID¡£
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- new_id = execute("SELECT nextval('person_id_seq')");
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