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Insert CHECK_FOR_INTERRUPTS calls into loops in dbsize.c, to ensure that

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the various disk-size-reporting functions will respond to query cancel
reasonably promptly even in very large databases.  Per report from
Kevin Grittner.
This commit is contained in:
Tom Lane 2010-01-23 21:29:17 +00:00
parent cfac3efb2f
commit 84cce31372
1 changed files with 9 additions and 1 deletions
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10
src/backend/utils/adt/dbsize.c
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@ -5,7 +5,7 @@
* Copyright (c) 2002-2006, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.9.2.2 2008/03/31 01:32:17 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.9.2.3 2010/01/23 21:29:17 tgl Exp $
*
*/
@ -45,6 +45,8 @@ db_dir_size(const char *path)
{
struct stat fst;
CHECK_FOR_INTERRUPTS();
if (strcmp(direntry->d_name, ".") == 0 ||
strcmp(direntry->d_name, "..") == 0)
continue;
@ -96,6 +98,8 @@ calculate_database_size(Oid dbOid)
while ((direntry = ReadDir(dirdesc, dirpath)) != NULL)
{
CHECK_FOR_INTERRUPTS();
if (strcmp(direntry->d_name, ".") == 0 ||
strcmp(direntry->d_name, "..") == 0)
continue;
@ -171,6 +175,8 @@ calculate_tablespace_size(Oid tblspcOid)
{
struct stat fst;
CHECK_FOR_INTERRUPTS();
if (strcmp(direntry->d_name, ".") == 0 ||
strcmp(direntry->d_name, "..") == 0)
continue;
@ -239,6 +245,8 @@ calculate_relation_size(RelFileNode *rfn)
{
struct stat fst;
CHECK_FOR_INTERRUPTS();
if (segcount == 0)
snprintf(pathname, MAXPGPATH, "%s",
relationpath);