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Make DROP TABLE rollback-able: postpone physical file delete until commit.

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(WAL logging for this is not done yet, however.)  Clean up a number of really
crufty things that are no longer needed now that DROP behaves nicely.  Make
temp table mapper do the right things when drop or rename affecting a temp
table is rolled back.  Also, remove "relation modified while in use" error
check, in favor of locking tables at first reference and holding that lock
throughout the statement.
This commit is contained in:
Tom Lane
2000-11-08 22:10:03 +00:00
parent ebe0b23690
commit 3908473c80
46 changed files with 1305 additions and 1187 deletions
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4
src/test/regress/expected/errors.out
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@ -62,10 +62,10 @@ alter table rename;
ERROR: parser: parse error at or near ";"
-- no such relation
alter table nonesuch rename to newnonesuch;
ERROR: Relation 'nonesuch' does not exist
ERROR: Relation "nonesuch" does not exist
-- no such relation
alter table nonesuch rename to stud_emp;
ERROR: Relation 'nonesuch' does not exist
ERROR: Relation "nonesuch" does not exist
-- system relation
alter table stud_emp rename to pg_stud_emp;
ERROR: renamerel: Illegal class name: "pg_stud_emp" -- pg_ is reserved for system catalogs