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Postgres FD Implementation
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Abuhujair Javed
Postgres FD Implementation
Commits
6ae76714
Commit
6ae76714
authored
Oct 07, 2005
by
Tom Lane
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parent
a84429a1
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1 changed file
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60 additions
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27 deletions
+60
-27
contrib/pgbench/pgbench.c
contrib/pgbench/pgbench.c
+60
-27
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contrib/pgbench/pgbench.c
View file @
6ae76714
/*
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.4
0 2005/10/04 17:10:55 teodor
Exp $
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.4
1 2005/10/07 15:31:49 tgl
Exp $
*
* pgbench: a simple benchmark program for PostgreSQL
* written by Tatsuo Ishii
...
...
@@ -40,7 +40,6 @@
#endif
/* ! WIN32 */
#include <ctype.h>
#include <search.h>
extern
char
*
optarg
;
extern
int
optind
;
...
...
@@ -90,6 +89,17 @@ char *login = NULL;
char
*
pwd
=
NULL
;
char
*
dbName
;
/* variable definitions */
typedef
struct
{
char
*
name
;
/* variable name */
char
*
value
;
/* its value */
}
Variable
;
/*
* structures used in custom query mode
*/
typedef
struct
{
PGconn
*
con
;
/* connection handle to DB */
...
...
@@ -99,23 +109,12 @@ typedef struct
int
ecnt
;
/* error count */
int
listen
;
/* 0 indicates that an async query has
* been sent */
void
*
variables
;
Variable
*
variables
;
/* array of variable definitions */
int
nvariables
;
struct
timeval
txn_begin
;
/* used for measuring latencies */
int
use_file
;
/* index in sql_files for this client */
}
CState
;
/*
* structures used in custom query mode
*/
/* variable definitions */
typedef
struct
{
char
*
name
;
/* variable name */
char
*
value
;
/* its value */
}
Variable
;
/*
* queries read from files
*/
...
...
@@ -180,7 +179,7 @@ usage(void)
static
int
getrand
(
int
min
,
int
max
)
{
return
(
min
+
(
int
)
(
max
*
1
.
0
*
rand
()
/
(
RAND_MAX
+
1
.
0
)
+
0
.
5
)
);
return
min
+
(
int
)
(((
max
-
min
)
*
(
double
)
random
())
/
MAX_RANDOM_VALUE
+
0
.
5
);
}
/* set up a connection to the backend */
...
...
@@ -256,7 +255,8 @@ check(CState * state, PGresult *res, int n, int good)
static
int
compareVariables
(
const
void
*
v1
,
const
void
*
v2
)
{
return
strcmp
(((
Variable
*
)
v1
)
->
name
,
((
Variable
*
)
v2
)
->
name
);
return
strcmp
(((
const
Variable
*
)
v1
)
->
name
,
((
const
Variable
*
)
v2
)
->
name
);
}
static
char
*
...
...
@@ -264,9 +264,17 @@ getVariable(CState * st, char *name)
{
Variable
key
=
{
name
},
*
var
;
var
=
tfind
(
&
key
,
&
st
->
variables
,
compareVariables
);
/* On some versions of Solaris, bsearch of zero items dumps core */
if
(
st
->
nvariables
<=
0
)
return
NULL
;
var
=
(
Variable
*
)
bsearch
((
void
*
)
&
key
,
(
void
*
)
st
->
variables
,
st
->
nvariables
,
sizeof
(
Variable
),
compareVariables
);
if
(
var
!=
NULL
)
return
(
*
(
Variable
**
)
var
)
->
value
;
return
var
->
value
;
else
return
NULL
;
}
...
...
@@ -276,30 +284,55 @@ putVariable(CState * st, char *name, char *value)
{
Variable
key
=
{
name
},
*
var
;
var
=
tfind
(
&
key
,
&
st
->
variables
,
compareVariables
);
/* On some versions of Solaris, bsearch of zero items dumps core */
if
(
st
->
nvariables
>
0
)
var
=
(
Variable
*
)
bsearch
((
void
*
)
&
key
,
(
void
*
)
st
->
variables
,
st
->
nvariables
,
sizeof
(
Variable
),
compareVariables
);
else
var
=
NULL
;
if
(
var
==
NULL
)
{
if
((
var
=
malloc
(
sizeof
(
Variable
)))
==
NULL
)
Variable
*
newvars
;
if
(
st
->
variables
)
newvars
=
(
Variable
*
)
realloc
(
st
->
variables
,
(
st
->
nvariables
+
1
)
*
sizeof
(
Variable
));
else
newvars
=
(
Variable
*
)
malloc
(
sizeof
(
Variable
));
if
(
newvars
==
NULL
)
return
false
;
st
->
variables
=
newvars
;
var
=
&
newvars
[
st
->
nvariables
];
var
->
name
=
NULL
;
var
->
value
=
NULL
;
if
((
var
->
name
=
strdup
(
name
))
==
NULL
||
(
var
->
value
=
strdup
(
value
))
==
NULL
||
tsearch
(
var
,
&
st
->
variables
,
compareVariables
)
==
NULL
)
||
(
var
->
value
=
strdup
(
value
))
==
NULL
)
{
free
(
var
->
name
);
free
(
var
->
value
);
free
(
var
);
return
false
;
}
st
->
nvariables
++
;
qsort
((
void
*
)
st
->
variables
,
st
->
nvariables
,
sizeof
(
Variable
),
compareVariables
);
}
else
{
free
((
*
(
Variable
**
)
var
)
->
value
);
if
(((
*
(
Variable
**
)
var
)
->
value
=
strdup
(
value
))
==
NULL
)
if
((
value
=
strdup
(
value
))
==
NULL
)
return
false
;
free
(
var
->
value
);
var
->
value
=
value
;
}
return
true
;
...
...
@@ -783,7 +816,7 @@ process_commands(char *buf)
return
NULL
;
}
if
((
max
=
atoi
(
my_commands
->
argv
[
3
]))
<
min
||
max
>
RAND_MAX
)
if
((
max
=
atoi
(
my_commands
->
argv
[
3
]))
<
min
||
max
>
MAX_RANDOM_VALUE
)
{
fprintf
(
stderr
,
"%s: invalid maximum number %s
\n
"
,
my_commands
->
argv
[
0
],
my_commands
->
argv
[
3
]);
...
...
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