Re: Truncate on tables with FK's
От | Tom Lane |
---|---|
Тема | Re: Truncate on tables with FK's |
Дата | |
Msg-id | 19423.1121746574@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Truncate on tables with FK's (Christopher Kings-Lynne <chriskl@familyhealth.com.au>) |
Список | pgsql-hackers |
Christopher Kings-Lynne <chriskl@familyhealth.com.au> writes: > Hmmm...could we allow truncate in cases where all the FK's on a table > refer only to that table itself? Alvaro already did that and more ... 2005-01-26 22:17 tgl * doc/src/sgml/ref/truncate.sgml, src/backend/catalog/heap.c,src/backend/commands/tablecmds.c, src/backend/nodes/copyfuncs.c,src/backend/nodes/equalfuncs.c,src/backend/parser/gram.y,src/backend/tcop/utility.c, src/include/catalog/heap.h,src/include/commands/tablecmds.h, src/include/nodes/parsenodes.h,src/test/regress/expected/temp.out,src/test/regress/expected/truncate.out,src/test/regress/sql/temp.sql, src/test/regress/sql/truncate.sql:GeneralizeTRUNCATE to support truncating multiple tables in onecommand. This is usefulbecause we can allow truncation of tablesreferenced by foreign keys, so long as the referencing table istruncated inthe same command.Alvaro Herrera regards, tom lane
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