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1a990b207b
Move the responsibility for checking for and reporting a failure from
the only current BufFileSize() caller, logtape.c, to BufFileSize()
itself. Code within buffile.c is generally responsible for interfacing
with fd.c to report irrecoverable failures. This seems like a
convention that's worth sticking to.
Reorganizing things this way makes it easy to make the error message
raised in the event of BufFileSize() failure descriptive of the
underlying problem. We're now clear on the distinction between
temporary file name and BufFile name, and can show errno, confident that
its value actually relates to the error being reported. In passing, an
existing, similar buffile.c ereport() + errcode_for_file_access() site
is changed to follow the same conventions.
The API of the function BufFileSize() is changed by this commit, despite
already being in a stable release (Postgres 11). This seems acceptable,
since the BufFileSize() ABI was changed by commit
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| access | ||
| bootstrap | ||
| catalog | ||
| commands | ||
| executor | ||
| foreign | ||
| jit | ||
| lib | ||
| libpq | ||
| main | ||
| nodes | ||
| optimizer | ||
| parser | ||
| partitioning | ||
| po | ||
| port | ||
| postmaster | ||
| regex | ||
| replication | ||
| rewrite | ||
| snowball | ||
| statistics | ||
| storage | ||
| tcop | ||
| tsearch | ||
| utils | ||
| .gitignore | ||
| common.mk | ||
| Makefile | ||
| nls.mk | ||