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Error message editing in backend/utils (except /adt).

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This commit is contained in:
Tom Lane
2003-07-25 20:18:01 +00:00
parent 9fecf302f7
commit 689eb53e47
29 changed files with 739 additions and 521 deletions
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33
src/backend/utils/sort/logtape.c
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@@ -56,7 +56,7 @@
* Since all the bookkeeping and buffer memory is allocated with palloc(),
* and the underlying file(s) are made with OpenTemporaryFile, all resources
* for a logical tape set are certain to be cleaned up even if processing
* is aborted by elog(ERROR). To avoid confusion, the caller should take
* is aborted by ereport(ERROR). To avoid confusion, the caller should take
* care that all calls for a single LogicalTapeSet are made in the same
* palloc context.
*
@@ -64,7 +64,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/sort/logtape.c,v 1.9 2003/03/27 16:51:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/sort/logtape.c,v 1.10 2003/07/25 20:17:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -189,21 +189,25 @@ static void ltsDumpBuffer(LogicalTapeSet *lts, LogicalTape *lt);
* "holes" in file), since BufFile doesn't allow that. The first write pass
* must write blocks sequentially.
*
* No need for an error return convention; we elog() on any error.
* No need for an error return convention; we ereport() on any error.
*/
static void
ltsWriteBlock(LogicalTapeSet *lts, long blocknum, void *buffer)
{
if (BufFileSeekBlock(lts->pfile, blocknum) != 0 ||
BufFileWrite(lts->pfile, buffer, BLCKSZ) != BLCKSZ)
elog(ERROR, "ltsWriteBlock: failed to write block %ld of temporary file\n\t\tPerhaps out of disk space?",
blocknum);
ereport(ERROR,
/* XXX is it okay to assume errno is correct? */
(errcode_for_file_access(),
errmsg("could not write block %ld of temporary file: %m",
blocknum),
errhint("Perhaps out of disk space?")));
}
/*
* Read a block-sized buffer from the specified block of the underlying file.
*
* No need for an error return convention; we elog() on any error. This
* No need for an error return convention; we ereport() on any error. This
* module should never attempt to read a block it doesn't know is there.
*/
static void
@@ -211,8 +215,11 @@ ltsReadBlock(LogicalTapeSet *lts, long blocknum, void *buffer)
{
if (BufFileSeekBlock(lts->pfile, blocknum) != 0 ||
BufFileRead(lts->pfile, buffer, BLCKSZ) != BLCKSZ)
elog(ERROR, "ltsReadBlock: failed to read block %ld of temporary file",
blocknum);
ereport(ERROR,
/* XXX is it okay to assume errno is correct? */
(errcode_for_file_access(),
errmsg("could not read block %ld of temporary file: %m",
blocknum)));
}
/*
@@ -543,7 +550,7 @@ ltsDumpBuffer(LogicalTapeSet *lts, LogicalTape *lt)
/*
* Write to a logical tape.
*
* There are no error returns; we elog() on failure.
* There are no error returns; we ereport() on failure.
*/
void
LogicalTapeWrite(LogicalTapeSet *lts, int tapenum,
@@ -566,7 +573,7 @@ LogicalTapeWrite(LogicalTapeSet *lts, int tapenum,
else
{
/* Hmm, went directly from reading to writing? */
elog(ERROR, "LogicalTapeWrite: impossible state");
elog(ERROR, "invalid logtape state: should be dirty");
}
lt->numFullBlocks++;
lt->curBlockNumber++;
@@ -828,7 +835,7 @@ LogicalTapeBackspace(LogicalTapeSet *lts, int tapenum, size_t size)
long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeBackspace: unexpected end of tape");
elog(ERROR, "unexpected end of tape");
lt->curBlockNumber--;
if (nblocks == 0)
{
@@ -885,7 +892,7 @@ LogicalTapeSeek(LogicalTapeSet *lts, int tapenum,
long datablocknum = ltsRecallPrevBlockNum(lts, lt->indirect);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeSeek: unexpected end of tape");
elog(ERROR, "unexpected end of tape");
if (--lt->curBlockNumber == blocknum)
ltsReadBlock(lts, datablocknum, (void *) lt->buffer);
}
@@ -895,7 +902,7 @@ LogicalTapeSeek(LogicalTapeSet *lts, int tapenum,
lt->frozen);
if (datablocknum == -1L)
elog(ERROR, "LogicalTapeSeek: unexpected end of tape");
elog(ERROR, "unexpected end of tape");
if (++lt->curBlockNumber == blocknum)
ltsReadBlock(lts, datablocknum, (void *) lt->buffer);
}