Doc: clarify locking requirements for ALTER TABLE ADD FOREIGN KEY.
The docs explained that a SHARE ROW EXCLUSIVE lock is needed on the
referenced table, but failed to say the same about the table being
altered. Since the page says that ACCESS EXCLUSIVE lock is taken
unless otherwise stated, this left readers with the wrong conclusion.
Discussion: https://postgr.es/m/834603375.3470346.1586482852542@mail.yahoo.com
Branch
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REL_12_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/a88e5886c59c0e1e01f424a1fcb477db82ddd3af
Modified Files
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doc/src/sgml/ref/alter_table.sgml | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
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