Thread: pgsql: Check criticalSharedRelcachesBuilt in GetSharedSecurityLabel().

Check criticalSharedRelcachesBuilt in GetSharedSecurityLabel().

An extension may want to call GetSecurityLabel() on a shared object
before the shared relcaches are fully initialized. For instance, a
ClientAuthentication_hook might want to retrieve the security label on
a role.

Discussion: https://postgr.es/m/ecb7af0b26e3be1d96d291c8453a86f1f82d9061.camel@j-davis.com
Backpatch-through: 9.6

Branch
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REL_13_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/20f785732fdd8872d9942761e2fbc1677adec9b7

Modified Files
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src/backend/commands/seclabel.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)