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mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00

Applied patch by ITAGAKI Takahiro <itagaki.takahiro@oss.ntt.co.jp> to get prepare thread-safe.

This commit is contained in:
Michael Meskes
2007-09-26 10:57:01 +00:00
parent 689df1bc77
commit d49b20fbe6
20 changed files with 516 additions and 124 deletions

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@ -41,3 +41,4 @@ test: sql/insupd
test: sql/parser
test: thread/thread
test: thread/thread_implicit
test: thread/prep

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@ -41,5 +41,6 @@ test: sql/insupd
test: sql/parser
test: thread/thread
test: thread/thread_implicit
test: thread/prep
test: connect/test1

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@ -197,7 +197,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
#line 45 "desc.pgc"
{ ECPGdeallocate(__LINE__, 0, "Foo-1");
{ ECPGdeallocate(__LINE__, 0, NULL, "Foo-1");
#line 47 "desc.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
@ -247,7 +247,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
#line 57 "desc.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare c1 cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("foo2", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "foo2", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
ECPGt_descriptor, "indesc", 0L, 0L, 0L,
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
@ -297,7 +297,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
#line 69 "desc.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare c2 cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("foo3", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "foo3", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
ECPGt_descriptor, "indesc", 0L, 0L, 0L,
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
@ -344,7 +344,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
if (sqlca.sqlcode < 0) sqlprint();}
#line 80 "desc.pgc"
{ ECPGdeallocate_all(__LINE__, 0);
{ ECPGdeallocate_all(__LINE__, 0, NULL);
#line 81 "desc.pgc"
if (sqlca.sqlcode < 0) sqlprint();}

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@ -263,7 +263,7 @@ if (sqlca.sqlcode < 0) error ( );}
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare MYCURS cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("myquery", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "myquery", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 60 "dyntest.pgc"

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@ -142,7 +142,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare CUR cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 52 "execute.pgc"
@ -187,7 +187,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
if (sqlca.sqlcode < 0) sqlprint();}
#line 66 "execute.pgc"
{ ECPGdeallocate(__LINE__, 0, "f");
{ ECPGdeallocate(__LINE__, 0, NULL, "f");
#line 67 "execute.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
@ -207,7 +207,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare CUR2 cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
ECPGt_const,"1",(long)1,(long)1,strlen("1"),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);

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@ -142,7 +142,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
{ ECPGdo(__LINE__, 0, 1, NULL, 1, ECPGst_normal, "declare CUR cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 52 "oldexec.pgc"
@ -201,7 +201,7 @@ if (sqlca.sqlcode < 0) sqlprint();}
{ ECPGdo(__LINE__, 0, 1, NULL, 1, ECPGst_normal, "declare CUR3 cursor for $1",
ECPGt_char_variable,(ECPGprepared_statement("f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_char_variable,(ECPGprepared_statement(NULL, "f", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
ECPGt_const,"1",(long)1,(long)1,strlen("1"),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);

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@ -0,0 +1,256 @@
/* Processed by ecpg (regression mode) */
/* These include files are added by the preprocessor */
#include <ecpgtype.h>
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
/* End of automatic include section */
#define ECPGdebug(X,Y) ECPGdebug((X)+100,(Y))
#line 1 "prep.pgc"
#include <stdlib.h>
#include "ecpg_config.h"
#ifndef ENABLE_THREAD_SAFETY
int
main(void)
{
printf("No threading enabled.\n");
return 0;
}
#else
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <process.h>
#else
#include <pthread.h>
#endif
#include <stdio.h>
#define THREADS 16
#define REPEATS 50
#line 1 "sqlca.h"
#ifndef POSTGRES_SQLCA_H
#define POSTGRES_SQLCA_H
#ifndef PGDLLIMPORT
#if defined(WIN32) || defined(__CYGWIN__)
#define PGDLLIMPORT __declspec (dllimport)
#else
#define PGDLLIMPORT
#endif /* __CYGWIN__ */
#endif /* PGDLLIMPORT */
#define SQLERRMC_LEN 150
#ifdef __cplusplus
extern "C"
{
#endif
struct sqlca_t
{
char sqlcaid[8];
long sqlabc;
long sqlcode;
struct
{
int sqlerrml;
char sqlerrmc[SQLERRMC_LEN];
} sqlerrm;
char sqlerrp[8];
long sqlerrd[6];
/* Element 0: empty */
/* 1: OID of processed tuple if applicable */
/* 2: number of rows processed */
/* after an INSERT, UPDATE or */
/* DELETE statement */
/* 3: empty */
/* 4: empty */
/* 5: empty */
char sqlwarn[8];
/* Element 0: set to 'W' if at least one other is 'W' */
/* 1: if 'W' at least one character string */
/* value was truncated when it was */
/* stored into a host variable. */
/*
* 2: if 'W' a (hopefully) non-fatal notice occurred
*/ /* 3: empty */
/* 4: empty */
/* 5: empty */
/* 6: empty */
/* 7: empty */
char sqlstate[5];
};
struct sqlca_t *ECPGget_sqlca(void);
#ifndef POSTGRES_ECPG_INTERNAL
#define sqlca (*ECPGget_sqlca())
#endif
#ifdef __cplusplus
}
#endif
#endif
#line 24 "prep.pgc"
#line 1 "regression.h"
#line 25 "prep.pgc"
/* exec sql whenever sqlerror sqlprint ; */
#line 27 "prep.pgc"
/* exec sql whenever not found sqlprint ; */
#line 28 "prep.pgc"
#ifdef WIN32
static unsigned STDCALL fn(void* arg)
#else
void* fn(void* arg)
#endif
{
int i;
/* exec sql begin declare section */
#line 39 "prep.pgc"
int value ;
#line 40 "prep.pgc"
char name [ 100 ] ;
#line 41 "prep.pgc"
char query [ 256 ] = "INSERT INTO T VALUES ( ? )" ;
/* exec sql end declare section */
#line 42 "prep.pgc"
value = (int)arg;
sprintf(name, "Connection: %d", value);
{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , name, 0);
#line 47 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 47 "prep.pgc"
{ ECPGsetcommit(__LINE__, "on", NULL);
#line 48 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 48 "prep.pgc"
for (i = 1; i <= REPEATS; ++i)
{
{ ECPGprepare(__LINE__, NULL, 0, "i", query);
#line 51 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 51 "prep.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, 1, "i",
ECPGt_int,&(value),(long)1,(long)1,sizeof(int),
ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
#line 52 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 52 "prep.pgc"
}
{ ECPGdeallocate(__LINE__, 0, NULL, "i");
#line 54 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 54 "prep.pgc"
{ ECPGdisconnect(__LINE__, name);
#line 55 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 55 "prep.pgc"
return 0;
}
int main (int argc, char** argv)
{
int i;
#ifdef WIN32
HANDLE threads[THREADS];
#else
pthread_t threads[THREADS];
#endif
{ ECPGconnect(__LINE__, 0, "regress1" , NULL, NULL , NULL, 0);
#line 69 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 69 "prep.pgc"
{ ECPGsetcommit(__LINE__, "on", NULL);
#line 70 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 70 "prep.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table if exists T ", ECPGt_EOIT, ECPGt_EORT);
#line 71 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 71 "prep.pgc"
{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "create table T ( i int ) ", ECPGt_EOIT, ECPGt_EORT);
#line 72 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 72 "prep.pgc"
{ ECPGdisconnect(__LINE__, "CURRENT");
#line 73 "prep.pgc"
if (sqlca.sqlcode < 0) sqlprint();}
#line 73 "prep.pgc"
#ifdef WIN32
for (i = 0; i < THREADS; ++i)
{
unsigned id;
threads[i] = (HANDLE)_beginthreadex(NULL, 0, fn, (void*)i, 0, &id);
}
WaitForMultipleObjects(THREADS, threads, TRUE, INFINITE);
for (i = 0; i < THREADS; ++i)
CloseHandle(threads[i]);
#else
for (i = 0; i < THREADS; ++i)
pthread_create(&threads[i], NULL, fn, (void*)i);
for (i = 0; i < THREADS; ++i)
pthread_join(threads[i], NULL);
#endif
return 0;
}
#endif

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@ -0,0 +1 @@
No threading enabled.

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@ -5,7 +5,8 @@ include $(top_srcdir)/$(subdir)/../Makefile.regress
TESTS = thread_implicit thread_implicit.c \
thread thread.c
thread thread.c \
prep prep.c
all: $(TESTS)

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@ -0,0 +1,95 @@
#include <stdlib.h>
#include "ecpg_config.h"
#ifndef ENABLE_THREAD_SAFETY
int
main(void)
{
printf("No threading enabled.\n");
return 0;
}
#else
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <process.h>
#else
#include <pthread.h>
#endif
#include <stdio.h>
#define THREADS 16
#define REPEATS 50
exec sql include sqlca;
exec sql include ../regression;
exec sql whenever sqlerror sqlprint;
exec sql whenever not found sqlprint;
#ifdef WIN32
static unsigned STDCALL fn(void* arg)
#else
void* fn(void* arg)
#endif
{
int i;
EXEC SQL BEGIN DECLARE SECTION;
int value;
char name[100];
char query[256] = "INSERT INTO T VALUES ( ? )";
EXEC SQL END DECLARE SECTION;
value = (int)arg;
sprintf(name, "Connection: %d", value);
EXEC SQL CONNECT TO REGRESSDB1 AS :name;
EXEC SQL SET AUTOCOMMIT TO ON;
for (i = 1; i <= REPEATS; ++i)
{
EXEC SQL PREPARE I FROM :query;
EXEC SQL EXECUTE I USING :value;
}
EXEC SQL DEALLOCATE I;
EXEC SQL DISCONNECT :name;
return 0;
}
int main (int argc, char** argv)
{
int i;
#ifdef WIN32
HANDLE threads[THREADS];
#else
pthread_t threads[THREADS];
#endif
EXEC SQL CONNECT TO REGRESSDB1;
EXEC SQL SET AUTOCOMMIT TO ON;
EXEC SQL DROP TABLE IF EXISTS T;
EXEC SQL CREATE TABLE T ( i int );
EXEC SQL DISCONNECT;
#ifdef WIN32
for (i = 0; i < THREADS; ++i)
{
unsigned id;
threads[i] = (HANDLE)_beginthreadex(NULL, 0, fn, (void*)i, 0, &id);
}
WaitForMultipleObjects(THREADS, threads, TRUE, INFINITE);
for (i = 0; i < THREADS; ++i)
CloseHandle(threads[i]);
#else
for (i = 0; i < THREADS; ++i)
pthread_create(&threads[i], NULL, fn, (void*)i);
for (i = 0; i < THREADS; ++i)
pthread_join(threads[i], NULL);
#endif
return 0;
}
#endif