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include $(GNUSTEP_MAKEFILES)/common.make
-include config.make
TEST_TOOL_NAME = testPostgres testMySQL testECPG
testPostgres_OBJC_FILES = testPostgres.m
testPostgres_LIB_DIRS += -L./obj
testPostgres_TOOL_LIBS += -lSQLClient
testMySQL_OBJC_FILES = testMySQL.m
testMySQL_LIB_DIRS += -L./obj
testMySQL_TOOL_LIBS += -lSQLClient
testECPG_OBJC_FILES = testECPG.m
testECPG_TOOL_LIBS += -lSQLClient
testECPG_LIB_DIRS += -L./obj
LIBRARY_NAME=SQLClient
SQLClient_OBJC_FILES = SQLClient.m
DOCUMENT_NAME=SQLClient
SQLClient_AGSDOC_FILES = SQLClient.h
BUNDLE_NAME=
BUNDLE_INSTALL_DIR=$(GNUSTEP_LOCAL_ROOT)/Library/Bundles/SQLClient
ifneq ($(ECPG),)
BUNDLE_NAME += ECPG
ECPG_OBJC_FILES = ECPG.m
ECPG_BUNDLE_LIBS += -lgnustep-base -lobjc -lecpg
ECPG_PRINCIPAL_CLASS = SQLClientECPG
endif
ifneq ($(POSTGRES),)
BUNDLE_NAME += Postgres
Postgres_OBJC_FILES = Postgres.m
Postgres_BUNDLE_LIBS += -lgnustep-base -lobjc -lpq
Postgres_PRINCIPAL_CLASS = SQLClientPostgres
endif
ifneq ($(MYSQL),)
BUNDLE_NAME += MySQL
MySQL_OBJC_FILES = MySQL.m
MySQL_BUNDLE_LIBS += -lgnustep-base -lobjc -lmysqlclient
MySQL_PRINCIPAL_CLASS = SQLClientMySQL
endif
ifneq ($(ORACLE_HOME),)
BUNDLE_NAME += Oracle
Oracle_OBJC_FILES = Oracle.m
Oracle_BUNDLE_LIBS += -L$(ORACLE_HOME)/lib \
-lclntsh \
-lgnustep-base -lobjc \
$(shell cat $(ORACLE_HOME)/lib/ldflags) \
$(shell cat $(ORACLE_HOME)/lib/sysliblist) \
-ldl -lm
Oracle_PRINCIPAL_CLASS = SQLClientOracle
endif
-include GNUmakefile.preamble
include $(GNUSTEP_MAKEFILES)/library.make
include $(GNUSTEP_MAKEFILES)/bundle.make
include $(GNUSTEP_MAKEFILES)/test-tool.make
include $(GNUSTEP_MAKEFILES)/documentation.make
-include GNUmakefile.postamble

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#
# Makefile.postamble
#
# Project specific makefile rules
#
# Uncomment the targets you want.
# The double colons (::) are important, do not make them single colons
# otherwise the normal makefile rules will not be performed.
#
ifneq ($(ECPG),)
%.m: %.pgm
ecpg -o $@ $< $(ADDITIONAL_INCLUDE_DIRS)
# if you need to see the .m files for debugging, uncomment
# the following line
#.PRECIOUS: %.m
endif
ifneq ($(ORACLE_HOME),)
%.m: %.pm
proc iname=$< oname=$@ mode=ansi parse=none
# if you need to see the .m files for debugging, uncomment
# the following line
#.PRECIOUS: %.m
endif
# Things to do before compiling
# before-all::
# Things to do after compiling
# after-all::
# Things to do before installing
# before-install::
# Things to do after installing
# after-install::
# Things to do before uninstalling
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# Things to do after uninstalling
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# Things to do before cleaning
# before-clean::
# Things to do after cleaning
# after-clean::
# Things to do before distcleaning
# before-distclean::
# Things to do after distcleaning
after-distclean::
-rm -f ECPG.m Oracle.m
-rm -f config.h config.make config.log config.status
-rm -rf autom4te.cache
# Things to do before checking
# before-check::
# Things to do after checking
# after-check::
config.make: config.make.in
./configure

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#
# Makefile.preamble
#
# Project specific makefile variables, and additional
#
# Do not put any Makefile rules in this file, instead they should
# be put into Makefile.postamble.
#
#
# Flags dealing with compiling and linking
#
# Additional flags to pass to the preprocessor
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# Additional flags to pass to the Objective-C compiler
# ADDITIONAL_OBJCFLAGS +=
# Additional flags to pass to the C compiler
# ADDITIONAL_CFLAGS +=
# Additional include directories the compiler should search
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# Additional libraries when linking tools
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# Additional libraries when linking applications
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#
# Flags dealing with installing and uninstalling
#
# Additional directories to be created during installation
# ADDITIONAL_INSTALL_DIRS +=

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/* -*-objc-*- */
/** Implementation of SQLClientMySQL for GNUStep
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$Date$ $Revision$
*/
#include <Foundation/NSString.h>
#include <Foundation/NSData.h>
#include <Foundation/NSDate.h>
#include <Foundation/NSCalendarDate.h>
#include <Foundation/NSException.h>
#include <Foundation/NSProcessInfo.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSUserDefaults.h>
#include <Foundation/NSMapTable.h>
#include <Foundation/NSLock.h>
#include <Foundation/NSNull.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSAutoreleasePool.h>
#include "config.h"
#include "SQLClient.h"
#include <mysql/mysql.h>
@interface SQLClientMySQL : SQLClient
@end
@implementation SQLClientMySQL
#define connection ((MYSQL*)(self->extra))
static NSDate *future = nil;
static NSNull *null = nil;
+ (void) initialize
{
if (future == nil)
{
future = [NSCalendarDate dateWithString: @"9999-01-01 00:00:00 +0000"
calendarFormat: @"%Y-%m-%d %H:%M:%S %z"
locale: nil];
RETAIN(future);
null = [NSNull null];
RETAIN(null);
}
}
- (BOOL) backendConnect
{
if (connected == NO)
{
if (database != nil && user != nil && password != nil)
{
NSString *host = nil;
NSString *port = nil;
NSString *dbase = database;
NSRange r;
[[self class] purgeConnections: nil];
r = [dbase rangeOfString: @"@"];
if (r.length > 0)
{
host = [dbase substringFromIndex: NSMaxRange(r)];
dbase = [dbase substringToIndex: r.location];
r = [host rangeOfString: @":"];
if (r.length > 0)
{
port = [host substringFromIndex: NSMaxRange(r)];
host = [host substringToIndex: r.location];
}
}
if ([self debugging] > 0)
{
[self debug: @"Connect to '%@' as %@", database, [self name]];
}
extra = mysql_init(0);
if (mysql_real_connect(connection,
[host UTF8String],
[user UTF8String],
[password UTF8String],
[dbase UTF8String],
[port intValue],
NULL,
0
) == 0)
{
[self debug: @"Error connecting to '%@' (%@) - %s",
[self name], database, mysql_error(connection)];
mysql_close(connection);
extra = 0;
}
#if 0
else if (mysql_query(connection, "SET CHARACTER SET utf8") != 0)
{
[self debug: @"Error setting utf8 support for '%@' (%@) - %s",
[self name], database, mysql_error(connection)];
mysql_close(connection);
extra = 0;
}
#endif
else
{
connected = YES;
if ([self debugging] > 0)
{
[self debug: @"Connected to '%@'", [self name]];
}
}
}
else
{
[self debug:
@"Connect to '%@' with no user/password/database configured",
[self name]];
}
}
return connected;
}
- (void) backendDisconnect
{
if (connected == YES)
{
NS_DURING
{
if (inTransaction == YES)
{
[self rollback];
}
if ([self debugging] > 0)
{
[self debug: @"Disconnecting client %@", client];
}
mysql_close(connection);
extra = 0;
if ([self debugging] > 0)
{
[self debug: @"Disconnected client %@", client];
}
}
NS_HANDLER
{
[self debug: @"Error disconnecting from database (%@): %@",
client, localException];
}
NS_ENDHANDLER
connected = NO;
}
}
- (void) backendExecute: (NSArray*)info
{
NSString *stmt;
CREATE_AUTORELEASE_POOL(arp);
stmt = [info objectAtIndex: 0];
if ([stmt length] == 0)
{
RELEASE (arp);
[NSException raise: NSInternalInconsistencyException
format: @"Statement produced null string"];
}
NS_DURING
{
const char *statement;
unsigned length;
/*
* Ensure we have a working connection.
*/
if ([self backendConnect] == NO)
{
[NSException raise: SQLException
format: @"Unable to connect to '%@' to execute statement %@",
[self name], stmt];
}
statement = (char*)[stmt UTF8String];
length = strlen(statement);
statement = [self insertBLOBs: info
intoStatement: statement
length: length
withMarker: "'''"
length: 3
giving: &length];
if (mysql_real_query(connection, statement, length) != 0)
{
[NSException raise: SQLException format: @"%s",
mysql_error(connection)];
}
}
NS_HANDLER
{
NSString *n = [localException name];
if ([n isEqual: SQLConnectionException] == YES)
{
[self backendDisconnect];
}
if ([self debugging] > 0)
{
[self debug: @"Error executing statement:\n%@\n%@",
stmt, localException];
}
RETAIN (localException);
RELEASE (arp);
AUTORELEASE (localException);
[localException raise];
}
NS_ENDHANDLER
DESTROY(arp);
}
static unsigned int trim(char *str)
{
char *start = str;
while (isspace(*str))
{
str++;
}
if (str != start)
{
strcpy(start, str);
}
str = start;
while (*str != '\0')
{
str++;
}
while (str > start && isspace(str[-1]))
{
*--str = '\0';
}
return (str - start);
}
- (NSMutableArray*) backendQuery: (NSString*)stmt
{
CREATE_AUTORELEASE_POOL(arp);
NSMutableArray *records = nil;
MYSQL_RES *result = 0;
if ([stmt length] == 0)
{
RELEASE (arp);
[NSException raise: NSInternalInconsistencyException
format: @"Statement produced null string"];
}
NS_DURING
{
char *statement;
/*
* Ensure we have a working connection.
*/
if ([self backendConnect] == NO)
{
[NSException raise: SQLException
format: @"Unable to connect to '%@' to run query %@",
[self name], stmt];
}
statement = (char*)[stmt UTF8String];
if (mysql_query(connection, statement) == 0
&& (result = mysql_store_result(connection)) != 0)
{
int recordCount = mysql_num_rows(result);
int fieldCount = mysql_num_fields(result);
MYSQL_FIELD *fields = mysql_fetch_fields(result);
id keys[fieldCount];
int i;
for (i = 0; i < fieldCount; i++)
{
keys[i] = [NSString stringWithUTF8String: fields[i].name];
}
records = [[NSMutableArray alloc] initWithCapacity: recordCount];
for (i = 0; i < recordCount; i++)
{
SQLRecord *record;
MYSQL_ROW row = mysql_fetch_row(result);
unsigned long *lengths = mysql_fetch_lengths(result);
id values[fieldCount];
int j;
for (j = 0; j < fieldCount; j++)
{
id v = null;
unsigned char *p = row[j];
if (p != 0)
{
int size = lengths[j];
NSLog(@"%@ type:%d size: %d val:%*.*s\n", keys[j], fields[j].type, size, size, size, p);
switch (fields[j].type)
{
case FIELD_TYPE_TIMESTAMP:
{
NSString *s;
s = [[NSString alloc] initWithBytes: p
length: size encoding: NSASCIIStringEncoding];
if (size > 14)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%Y-%m-%d %H:%M:%S"
locale: nil];
}
else if (size == 14)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%Y%m%d%H%M%S"
locale: nil];
}
else if (size == 12)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y%m%d%H%M%S"
locale: nil];
}
else if (size == 10)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y%m%d%H%M"
locale: nil];
}
else if (size == 8)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y%m%d%H"
locale: nil];
}
else if (size == 6)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y%m%d"
locale: nil];
}
else if (size == 4)
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y%m"
locale: nil];
}
else
{
v = [NSCalendarDate dateWithString: s
calendarFormat: @"%y"
locale: nil];
}
RELEASE(s);
[v setCalendarFormat: @"%Y-%m-%d %H:%M:%S %z"];
}
break;
case FIELD_TYPE_TINY:
v = [NSString stringWithFormat: @"%u", *p];
break;
case FIELD_TYPE_BLOB:
case FIELD_TYPE_TINY_BLOB:
case FIELD_TYPE_MEDIUM_BLOB:
case FIELD_TYPE_LONG_BLOB:
v = [NSData dataWithBytes: p length: size];
break;
default:
trim(p);
v = [NSString stringWithUTF8String: p];
break;
}
}
values[j] = v;
}
record = [SQLRecord newWithValues: values
keys: keys
count: fieldCount];
[records addObject: record];
RELEASE(record);
}
}
else
{
[NSException raise: SQLException format: @"%s",
mysql_error(connection)];
}
}
NS_HANDLER
{
NSString *n = [localException name];
if ([n isEqual: SQLConnectionException] == YES)
{
[self backendDisconnect];
}
if ([self debugging] > 0)
{
[self debug: @"Error executing statement:\n%@\n%@",
stmt, localException];
}
if (result != 0)
{
mysql_free_result(result);
}
DESTROY(records);
RETAIN (localException);
RELEASE (arp);
AUTORELEASE (localException);
[localException raise];
}
NS_ENDHANDLER
DESTROY(arp);
if (result != 0)
{
mysql_free_result(result);
}
return AUTORELEASE(records);
}
- (unsigned) copyEscapedBLOB: (NSData*)blob into: (void*)buf
{
const unsigned char *bytes = [blob bytes];
unsigned char *ptr = buf;
unsigned l = [blob length];
unsigned i;
*ptr++ = '\'';
for (i = 0; i < l; i++)
{
unsigned char c = bytes[i];
if (c == '\0')
{
*ptr++ = '\\';
*ptr++ = '0';
}
else if (c == '\\' || c == '\'' || c == '"')
{
*ptr++ = '\\';
*ptr++ = c;
}
else
{
*ptr++ = c;
}
}
*ptr++ = '\'';
return ((void*)ptr - buf);
}
- (unsigned) lengthOfEscapedBLOB: (NSData*)blob
{
const unsigned char *bytes = [blob bytes];
unsigned l = [blob length];
unsigned length = 2; // Quotes around BLOB
while (l-- > 0)
{
unsigned char c = bytes[l];
if (c == '\0' || c == '\\' || c == '\'' || c == '"')
{
length++;
}
length++;
}
return length;
}
@end

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@ -0,0 +1,783 @@
/* -*-objc-*- */
/** Implementation of SQLClientPostgres for GNUStep
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$Date$ $Revision$
*/
#include <Foundation/NSString.h>
#include <Foundation/NSData.h>
#include <Foundation/NSDate.h>
#include <Foundation/NSCalendarDate.h>
#include <Foundation/NSException.h>
#include <Foundation/NSProcessInfo.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSUserDefaults.h>
#include <Foundation/NSMapTable.h>
#include <Foundation/NSLock.h>
#include <Foundation/NSNull.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSAutoreleasePool.h>
#include "config.h"
#include "SQLClient.h"
#include <libpq-fe.h>
@interface SQLClientPostgres : SQLClient
@end
@interface SQLClientPostgres(Embedded)
- (NSData*) dataFromBLOB: (const char *)blob;
- (NSDate*) dbToDateFromBuffer: (char*)b length: (int)l;
@end
@implementation SQLClientPostgres
#define connection ((PGconn*)(self->extra))
static NSDate *future = nil;
static NSNull *null = nil;
+ (void) initialize
{
if (future == nil)
{
future = [NSCalendarDate dateWithString: @"9999-01-01 00:00:00 +0000"
calendarFormat: @"%Y-%m-%d %H:%M:%S %z"
locale: nil];
RETAIN(future);
null = [NSNull null];
RETAIN(null);
}
}
static NSString*
connectQuote(NSString *str)
{
NSMutableString *m;
m = [str mutableCopy];
[m replaceString: @"\\" withString: @"\\\\"];
[m replaceString: @"'" withString: @"\\'"];
[m replaceCharactersInRange: NSMakeRange(0, 0) withString: @"'"];
[m appendString: @"'"];
return AUTORELEASE(m);
}
- (BOOL) backendConnect
{
if (connection == 0)
{
connected = YES;
if (database != nil)
{
NSString *host = nil;
NSString *port = nil;
NSString *dbase = database;
NSString *str;
NSRange r;
NSMutableString *m;
[[self class] purgeConnections: nil];
r = [dbase rangeOfString: @"@"];
if (r.length > 0)
{
host = [dbase substringFromIndex: NSMaxRange(r)];
dbase = [dbase substringToIndex: r.location];
r = [host rangeOfString: @":"];
if (r.length > 0)
{
port = [host substringFromIndex: NSMaxRange(r)];
host = [host substringToIndex: r.location];
}
}
m = [NSMutableString stringWithCapacity: 156];
[m appendString: @"dbname="];
[m appendString: connectQuote(dbase)];
str = connectQuote(host);
if (str != nil)
{
unichar c = [str characterAtIndex: 1];
if (c >= '0' && c <= '9')
{
[m appendString: @" hostaddr="]; // Numeric IP
}
else
{
[m appendString: @" host="]; // Domain name
}
[m appendString: str];
}
str = connectQuote(port);
if (str != nil)
{
[m appendString: @" port="];
[m appendString: str];
}
str = connectQuote(user);
if (str != nil)
{
[m appendString: @" user="];
[m appendString: str];
}
str = connectQuote(password);
if (str != nil)
{
[m appendString: @" password="];
[m appendString: str];
}
if ([self debugging] > 0)
{
[self debug: @"Connect to '%@' as %@", m, [self name]];
}
extra = PQconnectdb([m UTF8String]);
if (PQstatus(connection) != CONNECTION_OK)
{
[self debug: @"Error connecting to '%@' (%@) - %s",
[self name], m, PQerrorMessage(connection)];
PQfinish(connection);
extra = 0;
connected = NO;
}
else
{
if ([self debugging] > 0)
{
[self debug: @"Connected to '%@'", [self name]];
}
}
}
else
{
[self debug:
@"Connect to '%@' with no user/password/database configured",
[self name]];
}
}
return connected;
}
- (void) backendDisconnect
{
if (connection != 0)
{
NS_DURING
{
if (inTransaction == YES)
{
[self rollback];
}
if ([self debugging] > 0)
{
[self debug: @"Disconnecting client %@", client];
}
PQfinish(connection);
extra = 0;
if ([self debugging] > 0)
{
[self debug: @"Disconnected client %@", client];
}
}
NS_HANDLER
{
[self debug: @"Error disconnecting from database (%@): %@",
client, localException];
}
NS_ENDHANDLER
connected = NO;
}
}
- (void) backendExecute: (NSArray*)info
{
CREATE_AUTORELEASE_POOL(arp);
PGresult *result = 0;
NSString *stmt = [info objectAtIndex: 0];
if ([stmt length] == 0)
{
RELEASE (arp);
[NSException raise: NSInternalInconsistencyException
format: @"Statement produced null string"];
}
NS_DURING
{
const char *statement;
unsigned length;
/*
* Ensure we have a working connection.
*/
if ([self backendConnect] == NO)
{
[NSException raise: SQLException
format: @"Unable to connect to '%@' to execute statement %@",
[self name], stmt];
}
statement = (char*)[stmt UTF8String];
length = strlen(statement);
statement = [self insertBLOBs: info
intoStatement: statement
length: length
withMarker: "'''"
length: 3
giving: &length];
result = PQexec(connection, statement);
if (result == 0 || PQresultStatus(result) == PGRES_FATAL_ERROR)
{
NSString *str;
const char *cstr;
if (result == 0)
{
cstr = PQerrorMessage(connection);
}
else
{
cstr = PQresultErrorMessage(result);
}
str = [NSString stringWithUTF8String: cstr];
[self backendDisconnect];
[NSException raise: SQLException format: @"%@", str];
}
if (PQresultStatus(result) != PGRES_COMMAND_OK)
{
[NSException raise: SQLException format: @"%s",
PQresultErrorMessage(result)];
}
}
NS_HANDLER
{
NSString *n = [localException name];
if ([n isEqual: SQLConnectionException] == YES)
{
[self backendDisconnect];
}
if ([self debugging] > 0)
{
[self debug: @"Error executing statement:\n%@\n%@",
stmt, localException];
}
if (result != 0)
{
PQclear(result);
}
RETAIN (localException);
RELEASE (arp);
AUTORELEASE (localException);
[localException raise];
}
NS_ENDHANDLER
if (result != 0)
{
PQclear(result);
}
DESTROY(arp);
}
static unsigned int trim(char *str)
{
char *start = str;
while (isspace(*str))
{
str++;
}
if (str != start)
{
strcpy(start, str);
}
str = start;
while (*str != '\0')
{
str++;
}
while (str > start && isspace(str[-1]))
{
*--str = '\0';
}
return (str - start);
}
- (NSMutableArray*) backendQuery: (NSString*)stmt
{
CREATE_AUTORELEASE_POOL(arp);
PGresult *result = 0;
NSMutableArray *records = nil;
if ([stmt length] == 0)
{
RELEASE (arp);
[NSException raise: NSInternalInconsistencyException
format: @"Statement produced null string"];
}
NS_DURING
{
char *statement;
/*
* Ensure we have a working connection.
*/
if ([self backendConnect] == NO)
{
[NSException raise: SQLException
format: @"Unable to connect to '%@' to run query %@",
[self name], stmt];
}
statement = (char*)[stmt UTF8String];
result = PQexec(connection, statement);
if (result == 0 || PQresultStatus(result) == PGRES_FATAL_ERROR)
{
NSString *str;
const char *cstr;
if (result == 0)
{
cstr = PQerrorMessage(connection);
}
else
{
cstr = PQresultErrorMessage(result);
}
str = [NSString stringWithUTF8String: cstr];
[self backendDisconnect];
[NSException raise: SQLException format: @"%@", str];
}
if (PQresultStatus(result) == PGRES_TUPLES_OK)
{
int recordCount = PQntuples(result);
int fieldCount = PQnfields(result);
id keys[fieldCount];
int types[fieldCount];
int modifiers[fieldCount];
int formats[fieldCount];
int i;
for (i = 0; i < fieldCount; i++)
{
keys[i] = [NSString stringWithUTF8String: PQfname(result, i)];
types[i] = PQftype(result, i);
modifiers[i] = PQfmod(result, i);
formats[i] = PQfformat(result, i);
}
records = [[NSMutableArray alloc] initWithCapacity: recordCount];
for (i = 0; i < recordCount; i++)
{
SQLRecord *record;
id values[fieldCount];
int j;
for (j = 0; j < fieldCount; j++)
{
id v = null;
if (PQgetisnull(result, i, j) == 0)
{
char *p = PQgetvalue(result, i, j);
int size = PQgetlength(result, i, j);
NSLog(@"%@ type:%d mod:%d size: %d\n", keys[j], types[j], modifiers[j], size);
if (formats[j] == 0) // Text
{
switch (types[j])
{
case 1082: // Date
case 1083: // Time
case 1114: // Timestamp without time zone.
case 1184: // Timestamp with time zone.
v = [self dbToDateFromBuffer: p
length: trim(p)];
break;
case 16: // BOOL
if (*p == 't')
{
v = @"YES";
}
else
{
v = @"NO";
}
break;
case 17: // BYTEA
v = [self dataFromBLOB: p];
break;
default:
trim(p);
v = [NSString stringWithUTF8String: p];
break;
}
}
else // Binary
{
NSLog(@"Binary data treated as NSNull "
@"in %@ type:%d mod:%d size:%d\n",
keys[j], types[j], modifiers[j], size);
}
}
values[j] = v;
}
record = [SQLRecord newWithValues: values
keys: keys
count: fieldCount];
[records addObject: record];
RELEASE(record);
}
}
else
{
[NSException raise: SQLException format: @"%s",
PQresultErrorMessage(result)];
}
}
NS_HANDLER
{
NSString *n = [localException name];
if ([n isEqual: SQLConnectionException] == YES)
{
[self backendDisconnect];
}
if ([self debugging] > 0)
{
[self debug: @"Error executing statement:\n%@\n%@",
stmt, localException];
}
if (result != 0)
{
PQclear(result);
}
DESTROY(records);
RETAIN (localException);
RELEASE (arp);
AUTORELEASE (localException);
[localException raise];
}
NS_ENDHANDLER
DESTROY(arp);
if (result != 0)
{
PQclear(result);
}
return AUTORELEASE(records);
}
- (unsigned) copyEscapedBLOB: (NSData*)blob into: (void*)buf
{
const unsigned char *src = [blob bytes];
unsigned sLen = [blob length];
unsigned char *ptr = (unsigned char*)buf;
unsigned length = 0;
unsigned i;
ptr[length++] = '\'';
for (i = 0; i < sLen; i++)
{
unsigned char c = src[i];
if (c < 32 || c > 126)
{
ptr[length] = '\\';
ptr[length+1] = '\\';
ptr[length + 4] = (c & 7) + '0';
c >>= 3;
ptr[length + 3] = (c & 7) + '0';
c >>= 3;
ptr[length + 2] = (c & 7) + '0';
length += 5;
}
else if (c == '\\')
{
ptr[length++] = '\\';
ptr[length++] = '\\';
ptr[length++] = '\\';
ptr[length++] = '\\';
}
else if (c == '\'')
{
ptr[length++] = '\\';
ptr[length++] = '\'';
}
else
{
ptr[length++] = c;
}
}
ptr[length++] = '\'';
return length;
}
- (unsigned) lengthOfEscapedBLOB: (NSData*)blob
{
unsigned int sLen = [blob length];
unsigned char *src = (unsigned char*)[blob bytes];
unsigned int length = 2;
unsigned int i;
for (i = 0; i < sLen; i++)
{
unsigned char c = src[i];
if (c < 32 || c > 126)
{
length += 5;
}
else if (c == '\\')
{
length += 4;
}
else if (c == '\'')
{
length += 2;
}
else
{
length += 1;
}
}
return length;
}
- (NSData *) dataFromBLOB: (const char *)blob
{
NSMutableData *md;
unsigned sLen = strlen(blob == 0 ? "" : blob);
unsigned dLen = 0;
unsigned char *dst;
unsigned i;
for (i = 0; i < sLen; i++)
{
unsigned c = blob[i];
dLen++;
if (c == '\\')
{
c = blob[++i];
if (c != '\\')
{
i += 2; // Skip 2 digits octal
}
}
}
md = [NSMutableData dataWithLength: dLen];
dst = (unsigned char*)[md mutableBytes];
dLen = 0;
for (i = 0; i < sLen; i++)
{
unsigned c = blob[i];
if (c == '\\')
{
c = blob[++i];
if (c != '\\')
{
c = c - '0';
c <<= 3;
c += blob[++i] - '0';
c <<= 3;
c += blob[++i] - '0';
}
}
dst[dLen++] = c;
}
return md;
}
- (NSDate*) dbToDateFromBuffer: (char*)b length: (int)l
{
char buf[l+32]; /* Allow space to expand buffer. */
NSDate *d;
BOOL milliseconds = NO;
NSString *s;
int i;
memcpy(buf, b, l);
b = buf;
/*
* Find end of string.
*/
for (i = 0; i < l; i++)
{
if (b[i] == '\0')
{
l = i;
break;
}
}
while (l > 0 && isspace(b[l-1]))
{
l--;
}
b[l] = '\0';
if (l == 10)
{
s = [NSString stringWithUTF8String: b];
return [NSCalendarDate dateWithString: s
calendarFormat: @"%Y-%m-%d"
locale: nil];
}
else
{
int e;
/* If it's a simple date (YYYY-MM-DD) append time for start of day. */
if (l == 10)
{
strcat(b, " 00:00:00 +0000");
l += 15;
}
i = l;
while (i-- > 0)
{
if (b[i] == '+' || b[i] == '-')
{
break;
}
if (b[i] == ':' || b[i] == ' ')
{
i = 0;
break; /* No time zone found */
}
}
if (i == 0)
{
/* A date and time without a timezone ... assume gmt */
strcpy(b + l, " +0000");
i = l + 1;
l += 6;
}
e = i;
if (isdigit(b[i-1]))
{
/*
* Make space between seconds and timezone.
*/
memmove(&b[i+1], &b[i], l - i);
b[i++] = ' ';
b[++l] = '\0';
}
/*
* Ensure we have a four digit timezone value.
*/
if (isdigit(b[i+1]) && isdigit(b[i+2]))
{
if (b[i+3] == '\0')
{
// Two digit time zone ... append zero minutes
b[l++] = '0';
b[l++] = '0';
b[l] = '\0';
}
else if (b[i+3] == ':')
{
// Zone with colon before minutes ... remove it
b[i+3] = b[i+4];
b[i+4] = b[i+5];
b[--l] = '\0';
}
}
/* FIXME ... horrible kludge for postgres returning timestamps with
fractional second information. Force it to 3 digit millisecond */
while (i-- > 0)
{
if (b[i] == '.')
{
milliseconds = YES;
i++;
if (!isdigit(b[i]))
{
memmove(&b[i+3], &b[i], e-i);
l += 3;
memcpy(&b[i], "000", 3);
}
i++;
if (!isdigit(b[i]))
{
memmove(&b[i+2], &b[i], e-i);
l += 2;
memcpy(&b[i], "00", 2);
}
i++;
if (!isdigit(b[i]))
{
memmove(&b[i+1], &b[i], e-i);
l += 1;
memcpy(&b[i], "0", 1);
}
i++;
break;
}
}
if (i > 0 && i < e)
{
memmove(&b[i], &b[e], l - e);
l -= (e - i);
}
b[l] = '\0';
if (l == 0)
{
return nil;
}
s = [NSString stringWithUTF8String: b];
if (milliseconds == YES)
{
d = [NSCalendarDate dateWithString: s
calendarFormat: @"%Y-%m-%d %H:%M:%S.%F %z"
locale: nil];
}
else
{
d = [NSCalendarDate dateWithString: s
calendarFormat: @"%Y-%m-%d %H:%M:%S %z"
locale: nil];
}
return d;
}
}
@end

16
README Normal file
View file

@ -0,0 +1,16 @@
To build this library you must have a basic GNUstep environment set up ...
The gnustep-make package must have been built and installed.
The gnustep-base package must have been built and installed.
You must hace sourced the GNUstep.sh script (from gnustep-make) to set
up environment variables needed for building this.
If this environment is in place, all you should need to do is run 'make'
to configure and build the library, 'make install' to install it.
Then you can run the test programs.
Your most likely problems are that the configure script may not detect the
database libraries you want ...

754
SQLClient.h Normal file
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@ -0,0 +1,754 @@
/**
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
<title>SQLClient documentation</title>
<chapter>
<heading>The SQLClient library</heading>
<section>
<heading>Overview</heading>
<p>
The SQLClient library is designed to provide a simple interface to SQL
databases for GNUstep applications. It does not attempt the sort of
abstraction provided by the much more sophisticated GDL2 library, but
rather allows applications to directly execute SQL queries and
statements.
</p>
<p>
The major features of the SQLClient library are -
</p>
<list>
<item>
Simple API for executing queries and statements ... a variable
length sequence of comma separated strings and other objects
(NSNumber, NSDate, NSData) are concatenated into a single SQL
statement and executed.
</item>
<item>
Support multiple sumultaneous named connections to a database
server in a thread-safe manner.<br />
</item>
<item>
Support multiple simultaneous connections to different database
servers with backend driver bundles loaded for different database
engines. Clear, simple subclassing of the abstract base class to
enable easy implementation of new backend bundles.
</item>
<item>
Configuration for all connections held in one place and referenced
by connection name for ease of configuration control.
Changes via NSUserDefaults can even allow reconfiguration of
client instances within a running application.
</item>
<item>
Thread safe operation ... The base class supports locking such that
a single instance can be shared between multiple threads.
</item>
</list>
</section>
<section>
<heading>Backends</heading>
<p>
Current backend bundles are -
</p>
<list>
<item>
ECPG - a bundle using the embedded SQL interface for postgres.<br />
This is based on a similar code which has been in production use
for over eighteen months, so it should be reliable.
</item>
<item>
Postgres - a bundle using the libpq native interface for postgres.<br />
This is the preferred backend as it allows 'SELECT FOR UPDATE', which
the ECPG backend cannot support due to limitations in the postgres
implementation of cursors. The code is however not as well tested
as the ECPG interface.
</item>
<item>
MySQL - a bundle using the mysqlclient library for *recent* MySQL.<br />
I don't use MySQL ... but the test program ran successfully with a
vanilla install of the MySQL packages for recent Debian unstable.
</item>
<item>
Oracle - a bundle using embedded SQL for Oracle.<br />
Completely untested ... may even need some work to compile ... but
this *is* based on code which was working about a year ago.<br />
No support for BLOBs yet.
</item>
</list>
</section>
</chapter>
$Date$ $Revision$
*/
#ifndef INCLUDED_SQLClient_H
#define INCLUDED_SQLClient_H
#include <Foundation/NSObject.h>
#include <Foundation/NSArray.h>
@class NSData;
@class NSDate;
@class NSRecursiveLock;
@class NSString;
/**
* An enhanced array to represent a record returned from a query.
* You should <em>NOT</em> try to create instances of this class
* except via the +newWithValues:keys:count: method.
*/
@interface SQLRecord : NSArray
{
unsigned int count;
}
+ (id) newWithValues: (id*)v keys: (id*)k count: (unsigned int)c;
- (NSArray*) allKeys;
- (id) objectForKey: (NSString*)key;
@end
extern NSString *SQLException;
extern NSString *SQLConnectionException;
extern NSString *SQLEmptyException;
extern NSString *SQLUniqueException;
/**
* <p>The SQLClient class encapsulates dynamic SQL access to relational
* database systems. A shared instance of the class is used for
* each database (as identified by the name of the database), and
* the number of simultanous database connections is managed too.
* </p>
* <p>SQLClient is an abstract base class ... when you create an instance
* of it, you are actually creating an instance of a concrete subclass
* whose implementation is loaded from a bundle.
* </p>
*/
@interface SQLClient : NSObject
{
/**
* A flag indicating whether this instance is currently connected to
* the backend database server. This variable must <em>only</em> be
* set by the -backendConnect or -backendDisconnect methods.
*/
BOOL connected;
/**
* A flag indicating whether this instance is currently within a
* transaction. This variable must <em>only</em> be
* set by the -begin, -commit or -rollback methods.
*/
BOOL inTransaction; /** Are we inside a transaction? */
NSString *name; /** Unique identifier for instance */
NSString *client; /** Identifier within backend */
NSString *database; /** The configured database name/host */
NSString *password; /** The configured password */
NSString *user; /** The configured user */
/**
* Timestamp of last operation.<br />
* Maintained by the -simpleExecute: and -simpleQuery: methods.
*/
NSDate *lastOperation;
NSRecursiveLock *lock; /** Maintain thread-safety */
unsigned int debugging; /** The current debugging level */
void *extra; /** For subclass specific data */
}
/**
* Returns an array containing all the SQLClient instances .
*/
+ (NSArray*) allClients;
/**
* Return an existing SQLClient instance (using +existingClient:) if possible,
* or creates one, initialises it using -initWithConfiguration:name:, and
* returns the new instance (autoreleased).<br />
* Returns nil on failure.
*/
+ (SQLClient*) clientWithConfiguration: (NSDictionary*)config
name: (NSString*)reference;
/**
* Return an existing SQLClient instance for the specified name
* if one exists, otherwise returns nil.
*/
+ (SQLClient*) existingClient: (NSString*)reference;
/**
* Return the maximum number of simultaneous database connections
* permitted (set by +setMaxConnections: and defaults to 8)
*/
+ (unsigned int) maxConnections;
/**
* <p>Use this method to reduce the number of database connections
* currently active so that it is less than the limit set by the
* +setMaxConnections: method. This mechanism is used internally
* by the class to ensure that, when it is about to open a new
* connection, the limit is not exceeded.
* </p>
* <p>If since is not nil, then any connection which has not been
* used more recently than that date is disconnected anyway.<br />
* You can (and probably should) use this periodically to purge
* idle connections, but you can also pass a date in the future to
* close all connections.
* </p>
*/
+ (void) purgeConnections: (NSDate*)since;
/**
* <p>Set the maximum number of simultaneous database connections
* permitted (defaults to 8 and may not be set less than 1).
* </p>
* <p>This value is used by the +purgeConnections: method to determine how
* many connections should be disconnected when it is called.
* </p>
*/
+ (void) setMaxConnections: (unsigned int)c;
/**
* Start a transaction for this database client.<br />
* You <strong>must</strong> match this with either a -commit
* or a -rollback.<br />
* <p>Normally, if you execute an SQL statement without using this
* method first, the <em>autocommit</em> feature is employed, and
* the statement takes effect immediately. Use of this method
* permits you to execute several statements in sequence, and
* only have them take effect (as a single operation) when you
* call the -commit method.
* </p>
* <p>NB. You must <strong>not</strong> execute an SQL statement
* which would start a transaction directly ... use only this
* method.
* </p>
*/
- (void) begin;
/**
* Return the client name for this instance.<br />
* Normally this is useful only for debugging/reporting purposes, but
* if you are using multiple instances of this class in your application,
* and you are using embedded SQL, you will need to use this
* method to fetch the client/connection name and store its C-string
* representation in a variable 'connectionName' declared to the sql
* preprocessor, so you can then have statements of the form -
* 'exec sql at :connectionName ...'.
*/
- (NSString*) clientName;
/**
* Complete a transaction for this database client.<br />
* This <strong>must</strong> match an earlier -begin.
* <p>NB. You must <strong>not</strong> execute an SQL statement
* which would commit or rollback a transaction directly ... use
* only this method or the -rollback method.
* </p>
*/
- (void) commit;
/**
* If the <em>connected</em> instance variable is NO, this method
* calls -backendConnect to ensure that there is a connection to the
* database server established. Returns the result.<br />
* Performs any necessary locking for thread safety.
*/
- (BOOL) connect;
/**
* Return a flag to say whether a connection to the database server is
* currently live. This is mostly useful for debug/reporting, but is
* used internally to keep track of active connections.
*/
- (BOOL) connected;
/**
* Return the database name for this instance (or nil).
*/
- (NSString*) database;
/**
* If the <em>connected</em> instance variable is YES, this method
* calls -backendDisconnect to ensure that the connection to the
* database server is dropped.<br />
* Performs any necessary locking for thread safety.
*/
- (void) disconnect;
/**
* Perform arbitrary operation <em>which does not return any value.</em><br />
* This arguments to this method are a nil terminated list which are
* concatenated in the manner of the * -prepare:args: method.<br />
* Any string arguments are assumed to have been quoted appropriately
* already, but non-string arguments are automatically quoted using the
* -quote: method.
* <example>
* [db execute: @"UPDATE ", table, @" SET Name = ",
* myName, " WHERE ID = ", myId, nil];
* </example>
*/
- (void) execute: (NSString*)stmt,...;
/**
* Takes the statement and substitutes in values from
* the dictionary where markup of the format {key} is found.<br />
* Passes the result to the -execute:,... method.
* <example>
* [db execute: @"UPDATE {Table} SET Name = {Name} WHERE ID = {ID}"
* with: values];
* </example>
* Any non-string values in the dictionary will be replaced by
* the results of the -quote: method.<br />
* The markup format may also be {key?default} where <em>default</em>
* is a string to be used if there is no value for the <em>key</em>
* in the dictionary.
*/
- (void) execute: (NSString*)stmt with: (NSDictionary*)values;
/**
* Calls -initWithConfiguration:name: passing a nil reference name.
*/
- (id) initWithConfiguration: (NSDictionary*)config;
/**
* Initialise using the supplied configuration, or if that is nil, try to
* use values from NSUserDefaults (and automatically update when the
* defaults change).<br />
* Uses the reference name to determine configuration information ... and if
* a nil name is supplied, defaults to the value of the SQLClientName
* as a user default string or 'Database' if no other name is provided.<br />
* If a SQLClient instance already exists with the name used for this
* instance, the receiver is deallocated and the existing instance is
* retained and returned ... there may only ever be one instance for a
* particular reference name.<br />
* <br />
* The config argument (or the SQLClientReferences user default)
* is a dictionary with names as keys and dictionaries
* as its values. Configuration entries from the dictionary corresponding
* to the database client are used if possible, general entries are used
* otherwise.<br />
* Database ... is the name of the database to use, if it is missing
* then 'Database' may be used instead.<br />
* User ... is the name of the database user to use, if it is missing
* then 'User' may be used instead.<br />
* Password ... is the name of the database user password, if it is
* missing then 'Password' may be used instead.<br />
* ServerType ... is the name of the backend server to be used ... by
* convention the name of a bundle containing the interface to that backend.
* If this is missing then 'Postgres' is used.<br />
*/
- (id) initWithConfiguration: (NSDictionary*)config
name: (NSString*)reference;
/**
* Return the state of the flag indicating whether the library thinks
* a transaction is in progress. This flag is normally maintained by
* -begin, -commit, and -rollback.
*/
- (BOOL) isInTransaction;
/**
* Returns the date/time stamp of the last database operation performed
* by the receiver, or nil if no operation has ever been done by it.<br />
* Simply connecting to or disconnecting from the databsse does not
* count as an operation.
*/
- (NSDate*) lastOperation;
/**
* Return the database reference name for this instance (or nil).
*/
- (NSString*) name;
/**
* Return the database password for this instance (or nil).
*/
- (NSString*) password;
/**
* <p>Perform arbitrary query <em>which returns values.</em>
* </p>
* <p>This method has at least one argument, the string starting the
* statement to be executed (which must have the prefix 'select ').
* </p>
* <p>Additional arguments are a nil terminated list which also be strings,
* and these are appended to the statement.<br />
* Any string arguments are assumed to have been quoted appropriately
* already, but non-string arguments are automatically quoted using the
* -quote: method.
* </p>
* <example>
* result = [db query: @"SELECT Name FROM ", table, nil];
* </example>
* <p>Upon error, an exception is raised.
* </p>
* <p>The query returns an array of records (each of which is represented
* by an SQLRecord object).
* </p>
* <p>Each SQLRecord object contains one or more fields, in the order in
* which they occurred in the query. Fields may also be retrieved by name.
* </p>
* <p>NULL field items are returned as NSNull objects.
* </p>
* <p>Most other field items are returned as NSString objects.
* </p>
* <p>Date and timestamp field items are returned as NSDate objects.
* </p>
*/
- (NSMutableArray*) query: (NSString*)stmt,...;
/**
* Takes the query statement and substitutes in values from
* the dictionary where markup of the format {key} is found.<br />
* Passes the result to the -query:,... method to execute.
* <example>
* result = [db query: @"SELECT Name FROM {Table} WHERE ID = {ID}"
* with: values];
* </example>
* Any non-string values in the dictionary will be replaced by
* the results of the -quote: method.<br />
* The markup format may also be {key?default} where <em>default</em>
* is a string to be used if there is no value for the <em>key</em>
* in the dictionary.
*/
- (NSMutableArray*) query: (NSString*)stmt with: (NSDictionary*)values;
/**
* Convert an object to a string suitable for use in an SQL query.<br />
* Normally the -execute:,..., and -query:,... methods will call this
* method automatically for everything apart from string objects.<br />
* Strings have to be handled specially, because they are used both for
* parts of the SQL command, and as values (where they need to be quoted).
* So where you need to pass a string value which needs quoting,
* you must call this method explicitly.<br />
* Subclasses may override this method to provide appropriate quoting for
* types of object which need database backend specific quoting conventions.
* However, the defalt implementation should be OK for most cases.<br />
* The base class implementation formats NSDate objects as<br />
* YYYY-MM-DD hh:mm:ss.mmm ?ZZZZ<br />
* NSData objects are not quoted ... they must not appear in queries, and
* where used for insert/update operations, they need to be passed to the
* -backendExecute: method unchanged.
*/
- (NSString*) quote: (id)obj;
/**
* Convert a 'C' string to a string suitable for use in an SQL query.
*/
- (NSString*) quoteCString: (const char *)s;
/**
* Convert a single character to a string suitable for use in an SQL query.
*/
- (NSString*) quoteChar: (char)c;
/**
* Convert a float to a string suitable for use in an SQL query.
*/
- (NSString*) quoteFloat: (float)f;
/**
* Convert an integer to a string suitable for use in an SQL query.
*/
- (NSString*) quoteInteger: (int)i;
/**
* Revert a transaction for this database client.<br />
* This <strong>must</strong> match an earlier -begin.
* <p>NB. You must <strong>not</strong> execute an SQL statement
* which would commit or rollback a transaction directly ... use
* only this method or the -rollback method.
* </p>
*/
- (void) rollback;
/**
* Set the database host/name for this object.<br />
* This is called automatically to configure the connection ...
* you normally shouldn't need to call it yourself.
*/
- (void) setDatabase: (NSString*)s;
/**
* Set the database reference name for this object. This is used to
* differentiate between multiple connections to the database.<br />
* This is called automatically to configure the connection ...
* you normally shouldn't need to call it yourself.<br />
* NB. attempts to change the name of an instance to that of an existing
* instance are ignored.
*/
- (void) setName: (NSString*)s;
/**
* Set the database password for this object.<br />
* This is called automatically to configure the connection ...
* you normally shouldn't need to call it yourself.
*/
- (void) setPassword: (NSString*)s;
/**
* Set the database user for this object.<br />
* This is called automatically to configure the connection ...
* you normally shouldn't need to call it yourself.
*/
- (void) setUser: (NSString*)s;
/**
* Calls -backendExecute: in a safe manner.<br />
* Handles locking.<br />
* Maintains -lastOperation date.
*/
- (void) simpleExecute: (NSArray*)info;
/**
* Calls -backendQuery: in a safe manner.<br />
* Handles locking.<br />
* Maintains -lastOperation date.
*/
- (NSMutableArray*) simpleQuery: (NSString*)stmt;
/**
* Return the database user for this instance (or nil).
*/
- (NSString*) user;
@end
/**
* This category contains the methods which a subclass <em>must</em>
* override to provide a working instance, and helper methods for the
* backend implementations.<br />
* Application programmers should <em>not</em> call the backend
* methods directly.<br />
* <p>When subclassing to produce a backend driver bundle, please be
* aware that the subclass must <em>NOT</em> introduce additional
* instance variables. Instead the <em>extra</em> instance variable
* is provided for use as a pointer to subclass specific data.
* </p>
*/
@interface SQLClient(Subclass)
/** <override-subclass />
* Attempts to establish a connection to the database server.<br />
* Returns a flag to indicate whether the connection has been established.<br />
* If a connection was already established, returns YES and does nothing.<br />
* You should not need to use this method normally, as it is called for you
* automatically when necessary.<br />
* <p>Subclasses <strong>must</strong> implement this method to establish a
* connection to the database server process (and initialise the
* <em>extra</em> instance variable if necessary), setting the
* <em>connected</em> instance variable to indicate the state of the object.
* </p>
* <p>This method must call +purgeConnections: to ensure that there is a
* free slot for the new connection.
* </p>
* <p>Application code must <em>not</em> call this method directly, it is
* for internal use only. The -connect method calls this method if the
* <em>connected</em> instance variable is NO.
* </p>
*/
- (BOOL) backendConnect;
/** <override-subclass />
* Disconnect from the database unless already disconnected.<br />
* <p>This method is called automatically when the receiver is deallocated
* or reconfigured, and may also be called automatically when there are
* too many database connections active.
* </p>
* <p>If the receiver is an instance of a subclass which uses the
* <em>extra</em> instance variable, it <strong>must</strong> clear that
* variable in the -backendDisconnect method, because a reconfiguration
* may cause the class of the receiver to change.
* </p>
* <p>This method must set the <em>connected</em> instance variable to NO.
* </p>
* <p>Application code must <em>not</em> call this method directly, it is
* for internal use only. The -disconnect method calls this method if the
* <em>connected</em> instance variable is YES.
* </p>
*/
- (void) backendDisconnect;
/** <override-subclass />
* Perform arbitrary operation <em>which does not return any value.</em><br />
* This method has a single argument, an array containing the string
* representing the statement to be executed as its first object, and an
* optional sequence of data objects following it.<br />
* <example>
* [db backendExecute: [NSArray arrayWithObject:
* @"UPDATE MyTable SET Name = 'The name' WHERE ID = 123"]];
* </example>
* <p>The backend implementation is required to perform the SQL statement
* using the supplied NSData objects at the points in the statement
* marked by the <code>'''</code> sequence. The marker saequences are
* inserted into the statement at an earlier stage by the -execute:,...
* and -execute:with: methods.
* </p>
* <p>This method should lock the instance using the <em>lock</em>
* instance variable for the duration of the operation, and unlock
* it afterwards.
* </p>
* <p>NB. callers (other than the -begin, -commit, and -rollback methods)
* should not pass any statement to this method which would cause a
* transaction to begin or end.
* </p>
* <p>Application code must <em>not</em> call this method directly, it is
* for internal use only.
* </p>
*/
- (void) backendExecute: (NSArray*)info;
/** <override-subclass />
* <p>Perform arbitrary query <em>which returns values.</em>
* </p>
* <example>
* result = [db backendQuery: @"SELECT Name FROM Table"];
* </example>
* <p>Upon error, an exception is raised.
* </p>
* <p>The query returns an array of records (each of which is represented
* by an SQLRecord object).
* </p>
* <p>Each SQLRecord object contains one or more fields, in the order in
* which they occurred in the query. Fields may also be retrieved by name.
* </p>
* <p>NULL field items are returned as NSNull objects.
* </p>
* <p>This method should lock the instance using the <em>lock</em>
* instance variable for the duration of the operation, and unlock
* it afterwards.
* </p>
* <p>Application code must <em>not</em> call this method directly, it is
* for internal use only.
* </p>
*/
- (NSMutableArray*) backendQuery: (NSString*)stmt;
/** <override-subclass />
* This method is <em>only</em> for the use of the
* -insertBLOBs:intoStatement:length:withMarker:length:giving:
* method.<br />
* Subclasses which need to insert binary data into a statement
* must implement this method to copy the escaped data into place
* and return the number of bytes actually copied.
*/
- (unsigned) copyEscapedBLOB: (NSData*)blob into: (void*)buf;
/**
* <p>This method is a convenience method provided for subclasses which need
* to insert escaped binary data into an SQL statement before sending the
* statement to a backend server process. This method makes use of the
* -copyEscapedBLOB:into: and -lengthOfEscapedBLOB: methods, which
* <em>must</em> be implemented by the subclass.
* </p>
* <p>The blobs array is an array containing the original SQL statement
* string (unused by this method) followed by the data items to be inserted.
* </p>
* <p>The statement and sLength arguments specify the datastream to be
* copied and into which the BLOBs are to be inserted.
* </p>
* <p>The marker and mLength arguments specify the sequence of marker bytes
* in the statement which indicate a position for insertion of a n escaped BLOB.
* </p>
* <p>The method returns either the original statement or a copy containing
* the escaped BLOBs. The length of the returned data is stored in result.
* </p>
*/
- (const void*) insertBLOBs: (NSArray*)blobs
intoStatement: (const void*)statement
length: (unsigned)sLength
withMarker: (const void*)marker
length: (unsigned)mLength
giving: (unsigned*)result;
/** <override-subclass />
* This method is <em>only</em> for the use of the
* -insertBLOBs:intoStatement:length:withMarker:length:giving:
* method.<br />
* Subclasses which need to insert binary data into a statement
* must implement this method to return the length of the escaped
* bytestream which will be inserted.
*/
- (unsigned) lengthOfEscapedBLOB: (NSData*)blob;
@end
/**
* This category contains convenience methods including those for
* frequently performed database operations ... message logging etc.
*/
@interface SQLClient(Convenience)
/**
* Executes a query (like the -query:,... method) and checks the result
* (raising an exception if the query did not contain a single record)
* and returns the resulting record.
*/
- (SQLRecord*) queryRecord: (NSString*)stmt,...;
/**
* Executes a query (like the -query:,... method) and checks the result.<br />
* Raises an exception if the query did not contain a single record, or
* if the record did not contain a single field.<br />
* Returns the resulting field as a <em>string</em>.
*/
- (NSString*) queryString: (NSString*)stmt,...;
/**
* Convenience method to deal with the results of a query where each
* record contains a single field ... it converts the array of records
* returned by the query to an array containing the fields.
*/
- (void) singletons: (NSMutableArray*)records;
@end
/**
* This category porovides basic methods for logging debug information.
*/
@interface SQLClient (Logging)
/**
* Return the class-wide debugging level, which is inherited by all
* newly created minstances.
*/
+ (unsigned int) debugging;
/**
* Set the debugging level to be inherited by all new instances.
*/
+ (void) setDebugging: (unsigned int)level;
/**
* The default implementation calls NSLogv to log a debug message.<br />
* Override this in a category to provide more sophisticated logging.
*/
- (void) debug: (NSString*)fmt, ...;
/**
* Return the current debugging level.
*/
- (unsigned int) debugging;
/**
* Set the debugging level of this instance ... overrides the default
* level inherited from the class.
*/
- (void) setDebugging: (unsigned int)level;
@end
#endif

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config.h.in Normal file
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/* config.h.in. Generated from configure.in by autoheader. */
/* Define to 1 if you have the </usr/include/pgsql/ecpglib.h> header file. */
#undef HAVE__USR_INCLUDE_PGSQL_ECPGLIB_H
/* Define to 1 if you have the </usr/include/postgresql/ecpglib.h> header
file. */
#undef HAVE__USR_INCLUDE_POSTGRESQL_ECPGLIB_H
/* Define to 1 if you have the </usr/local/include/pgsql/ecpglib.h> header
file. */
#undef HAVE__USR_LOCAL_INCLUDE_PGSQL_ECPGLIB_H

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ECPG=@ECPG@
MYSQL=@MYSQL@
ORACLE_HOME=@ORACLE_HOME@
POSTGRES=@POSTGRES@
ADDITIONAL_INCLUDE_DIRS += \
@INCD@ \
ADDITIONAL_LIB_DIRS += \
@LIBD@ \

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dnl Process this file with autoconf to produce configure.
AC_INIT(SQLClient.h)
AC_CONFIG_HEADER(config.h)
AC_ARG_WITH(additional-include-dir,
[ --with-additional-include-dir=PATH specify additional include dirs to use],
additional_include_dir="$withval", additional_include_dir="no")
if test "$additional_include_dir" != "no"; then
CPPFLAGS="$CPPFLAGS $additional_include_dir"
INCD="$INCD $additional_include_dir"
fi
echo "Postgres development support"
AC_ARG_WITH(postgres-dir,
[ --with-postgres-dir=PATH specify postgres installation dir],
postgres_topdir="$withval", postgres_topdir="no")
if test "$postgres_topdir" != "no"; then
CPPFLAGS="$CPPFLAGS -I$postgres_topdir/include -L$postgres_topdir/lib"
INCD="$INCD -I$postgres_topdir/include"
LIBD="$LIBD -L$postgres_topdir/lib"
fi
AC_CHECK_HEADERS(mysql/mysql.h)
if test "$ac_cv_header_mysql_mysql_h" = "yes"; then
MYSQL=yes
else
MYSQL=
echo "*********************************************************"
echo "Unable to locate mysqlclient headers (are they installed)"
echo "*********************************************************"
fi
if test "$MYSQL" = "yes"; then
AC_CHECK_LIB(mysqlclient,mysql_init)
if test "$ac_cv_lib_mysqlclient_mysql_init" != "yes"; then
MYSQL=
echo "******************************************************"
echo "Unable to locate mysqlclient library (is it installed)"
echo "******************************************************"
fi
fi
AC_SUBST(MYSQL)
AC_CHECK_HEADERS(libpq-fe.h)
if test "$ac_cv_header_libpq_fe_h" = "yes"; then
POSTGRES=yes
else
old="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I/usr/include/postgresql"
AC_CHECK_HEADERS(/usr/include/postgresql/libpq-fe.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_include_postgresql_libpq_fe_h" = "yes"; then
INCD="$INCD -I/usr/include/postgresql"
POSTGRES=yes
else
CPPFLAGS="$CPPFLAGS -I/usr/include/pgsql"
AC_CHECK_HEADERS(/usr/include/pgsql/libpq-fe.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_include_pgsql_libpq_fe_h" = "yes"; then
INCD="$INCD -I/usr/include/pgsql"
POSTGRES=yes
else
CPPFLAGS="$CPPFLAGS -I/usr/local/include/pgsql"
AC_CHECK_HEADERS(/usr/local/include/pgsql/libpq-fe.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_local_include_pgsql_libpq_fe_h" = "yes"; then
INCD="$INCD -I/usr/local/include/pgsql"
POSTGRES=yes
else
CPPFLAGS="$save_CPPFLAGS"
POSTGRES=
echo "**************************************************************"
echo "Unable to locate libpq (postgres) headers (are they installed)"
echo "**************************************************************"
fi
fi
fi
fi
AC_CHECK_HEADERS(ecpglib.h)
if test "$ac_cv_header_ecpglib_h" = "yes"; then
ECPG=yes
else
old="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I/usr/include/postgresql"
AC_CHECK_HEADERS(/usr/include/postgresql/ecpglib.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_include_postgresql_ecpglib_h" = "yes"; then
INCD="$INCD -I/usr/include/postgresql"
ECPG=yes
else
CPPFLAGS="$CPPFLAGS -I/usr/include/pgsql"
AC_CHECK_HEADERS(/usr/include/pgsql/ecpglib.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_include_pgsql_ecpglib_h" = "yes"; then
INCD="$INCD -I/usr/include/pgsql"
ECPG=yes
else
CPPFLAGS="$CPPFLAGS -I/usr/local/include/pgsql"
AC_CHECK_HEADERS(/usr/local/include/pgsql/ecpglib.h)
CPPFLAGS="$old"
if test "$ac_cv_header__usr_local_include_pgsql_ecpglib_h" = "yes"; then
INCD="$INCD -I/usr/local/include/pgsql"
ECPG=yes
else
CPPFLAGS="$save_CPPFLAGS"
ECPG=
echo "*************************************************************"
echo "Unable to locate ecpg (postgres) headers (are they installed)"
echo "*************************************************************"
fi
fi
fi
fi
if test "$POSTGRES" = "yes"; then
# NICOLA - hack
if test -d /usr/lib/pgsql ; then
CPPFLAGS="$CPPFLAGS -L/usr/lib/pgsql"
LIBD="$LIBD -L/usr/lib/pgsql"
else
if test -d /usr/local/lib/pgsql ; then
CPPFLAGS="$CPPFLAGS -L/usr/local/lib/pgsql"
LIBD="$LIBD -L/usr/local/lib/pgsql"
fi
fi
AC_CHECK_LIB(pq,PQclear)
if test "$ac_cv_lib_pq_PQclear" != "yes"; then
POSTGRES=
echo "******************************************************"
echo "Unable to locate postgres pq library (is it installed)"
echo "******************************************************"
fi
AC_CHECK_LIB(ecpg,ECPGconnect)
if test "$ac_cv_lib_ecpg_ECPGconnect" != "yes"; then
ECPG=
echo "********************************************************"
echo "Unable to locate postgres ecpg library (is it installed)"
echo "********************************************************"
fi
fi
AC_SUBST(POSTGRES)
AC_SUBST(ECPG)
ORACLE_HOME=
AC_SUBST(ORACLE_HOME)
AC_SUBST(INCD)
AC_SUBST(LIBD)
AC_SUBST(LIBS)
if test "$MYSQL" = "yes"; then
BUNDLE="The MySQL backend bundle will be built"
else
BUNDLE="The MySQL backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})
if test "$POSTGRES" = "yes"; then
BUNDLE="The Postgres backend bundle will be built"
else
BUNDLE="The Postgres backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})
if test "$ECPG" = "yes"; then
BUNDLE="The ECPG backend bundle will be built"
else
BUNDLE="The ECPG backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})
if test "$ORACLE" = "yes"; then
BUNDLE="The Oracle backend bundle will be built"
else
BUNDLE="The Oracle backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})
AC_OUTPUT(config.make)

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#! /bin/sh
#
# install - install a program, script, or datafile
# This comes from X11R5 (mit/util/scripts/install.sh).
#
# Copyright 1991 by the Massachusetts Institute of Technology
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation, and that the name of M.I.T. not be used in advertising or
# publicity pertaining to distribution of the software without specific,
# written prior permission. M.I.T. makes no representations about the
# suitability of this software for any purpose. It is provided "as is"
# without express or implied warranty.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch. It can only install one file at a time, a restriction
# shared with many OS's install programs.
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit="${DOITPROG-}"
# put in absolute paths if you don't have them in your path; or use env. vars.
mvprog="${MVPROG-mv}"
cpprog="${CPPROG-cp}"
chmodprog="${CHMODPROG-chmod}"
chownprog="${CHOWNPROG-chown}"
chgrpprog="${CHGRPPROG-chgrp}"
stripprog="${STRIPPROG-strip}"
rmprog="${RMPROG-rm}"
mkdirprog="${MKDIRPROG-mkdir}"
transformbasename=""
transform_arg=""
instcmd="$mvprog"
chmodcmd="$chmodprog 0755"
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
mvcmd="$mvprog"
src=""
dst=""
dir_arg=""
while [ x"$1" != x ]; do
case $1 in
-c) instcmd="$cpprog"
shift
continue;;
-d) dir_arg=true
shift
continue;;
-m) chmodcmd="$chmodprog $2"
shift
shift
continue;;
-o) chowncmd="$chownprog $2"
shift
shift
continue;;
-g) chgrpcmd="$chgrpprog $2"
shift
shift
continue;;
-s) stripcmd="$stripprog"
shift
continue;;
-t=*) transformarg=`echo $1 | sed 's/-t=//'`
shift
continue;;
-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
shift
continue;;
*) if [ x"$src" = x ]
then
src=$1
else
# this colon is to work around a 386BSD /bin/sh bug
:
dst=$1
fi
shift
continue;;
esac
done
if [ x"$src" = x ]
then
echo "install: no input file specified"
exit 1
else
true
fi
if [ x"$dir_arg" != x ]; then
dst=$src
src=""
if [ -d $dst ]; then
instcmd=:
else
instcmd=mkdir
fi
else
# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if [ -f $src -o -d $src ]
then
true
else
echo "install: $src does not exist"
exit 1
fi
if [ x"$dst" = x ]
then
echo "install: no destination specified"
exit 1
else
true
fi
# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic
if [ -d $dst ]
then
dst="$dst"/`basename $src`
else
true
fi
fi
## this sed command emulates the dirname command
dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
# Make sure that the destination directory exists.
# this part is taken from Noah Friedman's mkinstalldirs script
# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
defaultIFS='
'
IFS="${IFS-${defaultIFS}}"
oIFS="${IFS}"
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
IFS="${oIFS}"
pathcomp=''
while [ $# -ne 0 ] ; do
pathcomp="${pathcomp}${1}"
shift
if [ ! -d "${pathcomp}" ] ;
then
$mkdirprog "${pathcomp}"
else
true
fi
pathcomp="${pathcomp}/"
done
fi
if [ x"$dir_arg" != x ]
then
$doit $instcmd $dst &&
if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
else
# If we're going to rename the final executable, determine the name now.
if [ x"$transformarg" = x ]
then
dstfile=`basename $dst`
else
dstfile=`basename $dst $transformbasename |
sed $transformarg`$transformbasename
fi
# don't allow the sed command to completely eliminate the filename
if [ x"$dstfile" = x ]
then
dstfile=`basename $dst`
else
true
fi
# Make a temp file name in the proper directory.
dsttmp=$dstdir/#inst.$$#
# Move or copy the file name to the temp name
$doit $instcmd $src $dsttmp &&
trap "rm -f ${dsttmp}" 0 &&
# and set any options; do chmod last to preserve setuid bits
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.
if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
# Now rename the file to the real destination.
$doit $rmcmd -f $dstdir/$dstfile &&
$doit $mvcmd $dsttmp $dstdir/$dstfile
fi &&
exit 0

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/**
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$Date$ $Revision$
*/
#include <Foundation/Foundation.h>
#include "SQLClient.h"
int
main()
{
CREATE_AUTORELEASE_POOL(pool);
SQLClient *db;
NSUserDefaults *defs;
NSMutableArray *records;
SQLRecord *record;
unsigned char dbuf[256];
unsigned int i;
NSData *data;
defs = [NSUserDefaults standardUserDefaults];
[defs registerDefaults:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
@"template1@localhost", @"Database",
@"postgres", @"User",
@"postgres", @"Password",
@"ECPG", @"ServerType",
nil],
@"test",
nil],
@"SQLClientReferences",
nil]
];
for (i = 0; i < 256; i++)
{
dbuf[i] = i;
}
data = [NSData dataWithBytes: dbuf length: i];
db = [SQLClient clientWithConfiguration: nil name: @"test"];
NS_DURING
[db execute: @"drop table xxx", nil];
NS_HANDLER
NS_ENDHANDLER
[db execute: @"create table xxx ( "
@"k char(40), "
@"char1 char(1), "
@"boolval BOOL, "
@"intval int, "
@"when1 timestamp with time zone, "
@"when2 timestamp, "
@"b bytea"
@")",
nil];
[db execute: @"insert into xxx "
@"(k, char1, boolval, intval, when1, when2, b) "
@"values ("
@"'hello', "
@"'X', "
@"TRUE, "
@"1, "
@"CURRENT_TIMESTAMP, "
@"CURRENT_TIMESTAMP, ",
data,
@")",
nil];
[db execute: @"insert into xxx "
@"(k, char1, boolval, intval, when1, when2, b) "
@"values ("
@"'hello', "
@"'X', "
@"TRUE, "
@"1, ",
[NSDate date], @", ",
[NSDate date], @", ",
[NSData dataWithBytes: "" length: 0],
@")",
nil];
records = [db query: @"select * from xxx", nil];
[db execute: @"drop table xxx", nil];
if ([records count] != 2)
{
NSLog(@"Expected 2 records but got %u", [records count]);
}
else
{
record = [records objectAtIndex: 0];
if ([[record objectForKey: @"b"] isEqual: data] == NO)
{
NSLog(@"Retrieved data does not match saved data %@ %@",
data, [record objectForKey: @"b"]);
}
record = [records objectAtIndex: 1];
if ([[record objectForKey: @"b"] isEqual: [NSData data]] == NO)
{
NSLog(@"Retrieved empty data does not match saved data");
}
}
NSLog(@"Records - %@", records);
RELEASE(pool);
return 0;
}

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/**
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$Date$ $Revision$
*/
#include <Foundation/Foundation.h>
#include "SQLClient.h"
int
main()
{
CREATE_AUTORELEASE_POOL(pool);
SQLClient *db;
NSUserDefaults *defs;
NSMutableArray *records;
SQLRecord *record;
unsigned char dbuf[256];
unsigned int i;
NSData *data;
defs = [NSUserDefaults standardUserDefaults];
[defs registerDefaults:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
@"test", @"Database",
@"", @"User",
@"", @"Password",
@"MySQL", @"ServerType",
nil],
@"test",
nil],
@"SQLClientReferences",
nil]
];
for (i = 0; i < 256; i++)
{
dbuf[i] = i;
}
data = [NSData dataWithBytes: dbuf length: i];
db = [SQLClient clientWithConfiguration: nil name: @"test"];
NS_DURING
[db execute: @"drop table xxx", nil];
NS_HANDLER
NS_ENDHANDLER
[db execute: @"create table xxx ( "
@"k char(40), "
@"char1 char(1), "
@"intval int, "
@"realval real, "
@"b blob, "
@"when2 timestamp"
@")",
nil];
[db execute: @"insert into xxx "
@"(k, char1, intval, realval, b, when2) "
@"values ("
@"'hello', "
@"'X', "
@"1, "
@"9.99, ",
data, @", ",
@"CURRENT_TIMESTAMP",
@")",
nil];
[NSThread sleepUntilDate: [NSDate dateWithTimeIntervalSinceNow: 1]];
[db execute: @"insert into xxx "
@"(k, char1, intval, realval, b, when2) "
@"values ("
@"'hello', "
@"'X', "
@"1, ",
@"12345.6789, ",
[NSData dataWithBytes: "" length: 0], @", ",
[NSDate date],
@")",
nil];
records = [db query: @"select * from xxx", nil];
[db execute: @"drop table xxx", nil];
if ([records count] != 2)
{
NSLog(@"Expected 2 records but got %u", [records count]);
}
else
{
record = [records objectAtIndex: 0];
if ([[record objectForKey: @"b"] isEqual: data] == NO)
{
NSLog(@"Retrieved data does not match saved data %@ %@",
data, [record objectForKey: @"b"]);
}
record = [records objectAtIndex: 1];
if ([[record objectForKey: @"b"] isEqual: [NSData data]] == NO)
{
NSLog(@"Retrieved empty data does not match saved data");
}
}
NSLog(@"Records - %@", records);
RELEASE(pool);
return 0;
}

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/**
Copyright (C) 2004 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: April 2004
This file is part of the SQLClient Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$Date$ $Revision$
*/
#include <Foundation/Foundation.h>
#include "SQLClient.h"
int
main()
{
CREATE_AUTORELEASE_POOL(pool);
SQLClient *db;
NSUserDefaults *defs;
NSMutableArray *records;
SQLRecord *record;
unsigned char dbuf[256];
unsigned int i;
NSData *data;
defs = [NSUserDefaults standardUserDefaults];
[defs registerDefaults:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionaryWithObjectsAndKeys:
@"template1@localhost", @"Database",
@"postgres", @"User",
@"postgres", @"Password",
@"Postgres", @"ServerType",
nil],
@"test",
nil],
@"SQLClientReferences",
nil]
];
for (i = 0; i < 256; i++)
{
dbuf[i] = i;
}
data = [NSData dataWithBytes: dbuf length: i];
db = [SQLClient clientWithConfiguration: nil name: @"test"];
NS_DURING
[db execute: @"drop table xxx", nil];
NS_HANDLER
NS_ENDHANDLER
[db execute: @"create table xxx ( "
@"k char(40), "
@"char1 char(1), "
@"boolval BOOL, "
@"intval int, "
@"when1 timestamp with time zone, "
@"when2 timestamp, "
@"b bytea"
@")",
nil];
[db execute: @"insert into xxx "
@"(k, char1, boolval, intval, when1, when2, b) "
@"values ("
@"'hello', "
@"'X', "
@"TRUE, "
@"1, "
@"CURRENT_TIMESTAMP, "
@"CURRENT_TIMESTAMP, ",
data,
@")",
nil];
[db execute: @"insert into xxx "
@"(k, char1, boolval, intval, when1, when2, b) "
@"values ("
@"'hello', "
@"'X', "
@"TRUE, "
@"1, ",
[NSDate date], @", ",
[NSDate date], @", ",
[NSData dataWithBytes: "" length: 0],
@")",
nil];
records = [db query: @"select * from xxx", nil];
[db execute: @"drop table xxx", nil];
if ([records count] != 2)
{
NSLog(@"Expected 2 records but got %u", [records count]);
}
else
{
record = [records objectAtIndex: 0];
if ([[record objectForKey: @"b"] isEqual: data] == NO)
{
NSLog(@"Retrieved data does not match saved data %@ %@",
data, [record objectForKey: @"b"]);
}
record = [records objectAtIndex: 1];
if ([[record objectForKey: @"b"] isEqual: [NSData data]] == NO)
{
NSLog(@"Retrieved empty data does not match saved data");
}
}
NSLog(@"Records - %@", records);
RELEASE(pool);
return 0;
}