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Allow internal sorts to be stored in memory rather than in files.

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This commit is contained in:
Bruce Momjian
1997-08-06 03:42:21 +00:00
parent 3bea7b138b
commit f5f366e188
11 changed files with 633 additions and 516 deletions
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18
src/backend/tcop/postgres.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.36 1997/07/29 16:14:40 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.37 1997/08/06 03:41:41 momjian Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@@ -108,6 +108,7 @@ extern int lockingOff;
extern int NBuffers;
int fsyncOff = 0;
int SortMem = 512;
int dontExecute = 0;
static int ShowStats;
@@ -1038,7 +1039,16 @@ PostgresMain(int argc, char *argv[])
*/
flagQ = 1;
break;
case 'S':
/* ----------------
* S - amount of sort memory to use in 1k bytes
* ----------------
*/
SortMem = atoi(optarg);
break;
#ifdef NOT_USED
case 'S':
/* ----------------
* S - assume stable main memory
@@ -1048,6 +1058,7 @@ PostgresMain(int argc, char *argv[])
flagS = 1;
SetTransactionFlushEnabled(false);
break;
#endif
case 's':
/* ----------------
@@ -1173,6 +1184,7 @@ PostgresMain(int argc, char *argv[])
printf("\ttimings = %c\n", ShowStats ? 't' : 'f');
printf("\tdates = %s\n", EuroDates ? "European" : "Normal");
printf("\tbufsize = %d\n", NBuffers);
printf("\tsortmem = %d\n", SortMem);
printf("\tquery echo = %c\n", EchoQuery ? 't' : 'f');
printf("\tmultiplexed backend? = %c\n", multiplexedBackend ? 't' : 'f');
@@ -1280,7 +1292,7 @@ PostgresMain(int argc, char *argv[])
*/
if (IsUnderPostmaster == false) {
puts("\nPOSTGRES backend interactive interface");
puts("$Revision: 1.36 $ $Date: 1997/07/29 16:14:40 $");
puts("$Revision: 1.37 $ $Date: 1997/08/06 03:41:41 $");
}
/* ----------------