示例#1
0
/* questionmarks is not needed but remains in there for the time being to not change the API */
bool
ECPGprepare(int lineno, const char *connection_name, const bool questionmarks,
			const char *name, const char *variable)
{
	struct connection *con;
	struct prepared_statement *this,
			   *prev;
	const char *real_connection_name = NULL;

	(void) questionmarks;		/* quiet the compiler */

	real_connection_name = ecpg_get_con_name_by_declared_name(name);
	if (real_connection_name == NULL)
	{
		/*
		 * If can't get the connection name by declared name then using connection name
		 * coming from the parameter connection_name
		 */
		real_connection_name = connection_name;
	}

	con = ecpg_get_connection(real_connection_name);
	if (!ecpg_init(con, real_connection_name, lineno))
		return false;

	/* check if we already have prepared this statement */
	this = ecpg_find_prepared_statement(name, con, &prev);
	if (this && !deallocate_one(lineno, ECPG_COMPAT_PGSQL, con, prev, this))
		return false;

	return prepare_common(lineno, con, name, variable);
}
示例#2
0
文件: connect.c 项目: pguyot/postgres
PGconn *
ECPGget_PGconn(const char *connection_name)
{
	struct connection *con;

	con = ecpg_get_connection(connection_name);
	if (con == NULL)
		return NULL;

	return con->connection;
}
示例#3
0
PGTransactionStatusType
ECPGtransactionStatus(const char *connection_name)
{
	const struct connection *con;

	con = ecpg_get_connection(connection_name);
	if (con == NULL)
	{
		/* transaction status is unknown */
		return PQTRANS_UNKNOWN;
	}

	return PQtransactionStatus(con->connection);

}
示例#4
0
文件: connect.c 项目: pguyot/postgres
bool
ECPGsetconn(int lineno, const char *connection_name)
{
	struct connection *con = ecpg_get_connection(connection_name);

	if (!ecpg_init(con, connection_name, lineno))
		return (false);

#ifdef ENABLE_THREAD_SAFETY
	pthread_setspecific(actual_connection_key, con);
#else
	actual_connection = con;
#endif
	return true;
}
示例#5
0
bool
ECPGstatus(int lineno, const char *connection_name)
{
	struct connection *con = ecpg_get_connection(connection_name);

	if (!ecpg_init(con, connection_name, lineno))
		return (false);

	/* are we connected? */
	if (con->connection == NULL)
	{
		ecpg_raise(lineno, ECPG_NOT_CONN, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR, con->name);
		return false;
	}

	return (true);
}
示例#6
0
bool
ECPGtrans(int lineno, const char *connection_name, const char *transaction)
{
	PGresult   *res;
	struct connection *con = ecpg_get_connection(connection_name);

	if (!ecpg_init(con, connection_name, lineno))
		return false;

	ecpg_log("ECPGtrans on line %d: action \"%s\"; connection \"%s\"\n", lineno, transaction, con ? con->name : "null");

	/* if we have no connection we just simulate the command */
	if (con && con->connection)
	{
		/*
		 * If we got a transaction command but have no open transaction, we
		 * have to start one, unless we are in autocommit, where the
		 * developers have to take care themselves. However, if the command is
		 * a begin statement, we just execute it once. And if the command is
		 * commit or rollback prepared, we don't execute it.
		 */
		if (PQtransactionStatus(con->connection) == PQTRANS_IDLE &&
			!con->autocommit &&
			strncmp(transaction, "begin", 5) != 0 &&
			strncmp(transaction, "start", 5) != 0 &&
			strncmp(transaction, "commit prepared", 15) != 0 &&
			strncmp(transaction, "rollback prepared", 17) != 0)
		{
			res = PQexec(con->connection, "begin transaction");
			if (!ecpg_check_PQresult(res, lineno, con->connection, ECPG_COMPAT_PGSQL))
				return false;
			PQclear(res);
		}

		res = PQexec(con->connection, transaction);
		if (!ecpg_check_PQresult(res, lineno, con->connection, ECPG_COMPAT_PGSQL))
			return false;
		PQclear(res);
	}

	return true;
}
示例#7
0
/* questionmarks is not needed but remains in there for the time being to not change the API */
bool
ECPGprepare(int lineno, const char *connection_name, const bool questionmarks, const char *name, const char *variable)
{
	struct connection *con;
	struct prepared_statement *this,
			   *prev;

	(void) questionmarks;		/* quiet the compiler */
	con = ecpg_get_connection(connection_name);

	if (!ecpg_init(con, connection_name, lineno))
		return false;

	/* check if we already have prepared this statement */
	this = ecpg_find_prepared_statement(name, con, &prev);
	if (this && !deallocate_one(lineno, ECPG_COMPAT_PGSQL, con, prev, this))
		return false;

	return prepare_common(lineno, con, name, variable);
}
示例#8
0
文件: connect.c 项目: 50wu/gpdb
bool
ECPGsetcommit(int lineno, const char *mode, const char *connection_name)
{
	struct connection *con = ecpg_get_connection(connection_name);
	PGresult   *results;

	if (!ecpg_init(con, connection_name, lineno))
		return (false);

	ecpg_log("ECPGsetcommit on line %d: action \"%s\"; connection \"%s\"\n", lineno, mode, con->name);

	if (con->autocommit == true && strncmp(mode, "off", strlen("off")) == 0)
	{
		if (con->committed)
		{
			results = PQexec(con->connection, "begin transaction");
			if (!ecpg_check_PQresult(results, lineno, con->connection, ECPG_COMPAT_PGSQL))
				return false;
			PQclear(results);
			con->committed = false;
		}
		con->autocommit = false;
	}
	else if (con->autocommit == false && strncmp(mode, "on", strlen("on")) == 0)
	{
		if (!con->committed)
		{
			results = PQexec(con->connection, "commit");
			if (!ecpg_check_PQresult(results, lineno, con->connection, ECPG_COMPAT_PGSQL))
				return false;
			PQclear(results);
			con->committed = true;
		}
		con->autocommit = true;
	}

	return true;
}
示例#9
0
文件: connect.c 项目: pguyot/postgres
/* this contains some quick hacks, needs to be cleaned up, but it works */
bool
ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
{
	struct sqlca_t *sqlca = ECPGget_sqlca();
	enum COMPAT_MODE compat = c;
	struct connection *this;
	int			i;
	char	   *dbname = name ? ecpg_strdup(name, lineno) : NULL,
			   *host = NULL,
			   *tmp,
			   *port = NULL,
			   *realname = NULL,
			   *options = NULL,
			   *connect_string = NULL;

	ecpg_init_sqlca(sqlca);

	/*
	 * clear auto_mem structure because some error handling functions might
	 * access it
	 */
	ecpg_clear_auto_mem();

	if (INFORMIX_MODE(compat))
	{
		char	   *envname;

		/*
		 * Informix uses an environment variable DBPATH that overrides the
		 * connection parameters given here. We do the same with PG_DBPATH as
		 * the syntax is different.
		 */
		envname = getenv("PG_DBPATH");
		if (envname)
		{
			ecpg_free(dbname);
			dbname = ecpg_strdup(envname, lineno);
		}

	}

	if (dbname == NULL && connection_name == NULL)
		connection_name = "DEFAULT";

#if ENABLE_THREAD_SAFETY
	ecpg_pthreads_init();
#endif

	/* check if the identifier is unique */
	if (ecpg_get_connection(connection_name))
	{
		ecpg_free(dbname);
		ecpg_log("ECPGconnect: connection identifier %s is already in use\n",
				 connection_name);
		return false;
	}

	if ((this = (struct connection *) ecpg_alloc(sizeof(struct connection), lineno)) == NULL)
		return false;

	if (dbname != NULL)
	{
		/* get the detail information out of dbname */
		if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
		{
			int			offset = 0;

			/*
			 * only allow protocols tcp and unix
			 */
			if (strncmp(dbname, "tcp:", 4) == 0)
				offset = 4;
			else if (strncmp(dbname, "unix:", 5) == 0)
				offset = 5;

			if (strncmp(dbname + offset, "postgresql://", strlen("postgresql://")) == 0)
			{

				/*------
				 * new style:
				 *	<tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
				 *	[/db name][?options]
				 *------
				 */
				offset += strlen("postgresql://");

				tmp = strrchr(dbname + offset, '?');
				if (tmp != NULL)	/* options given */
				{
					options = ecpg_strdup(tmp + 1, lineno);
					*tmp = '\0';
				}

				tmp = last_dir_separator(dbname + offset);
				if (tmp != NULL)	/* database name given */
				{
					if (tmp[1] != '\0') /* non-empty database name */
						realname = ecpg_strdup(tmp + 1, lineno);
					*tmp = '\0';
				}

				tmp = strrchr(dbname + offset, ':');
				if (tmp != NULL)	/* port number or Unix socket path given */
				{
					char	   *tmp2;

					*tmp = '\0';
					if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
					{
						*tmp2 = '\0';
						host = ecpg_strdup(tmp + 1, lineno);
						if (strncmp(dbname, "unix:", 5) != 0)
						{
							ecpg_log("ECPGconnect: socketname %s given for TCP connection on line %d\n", host, lineno);
							ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
							if (host)
								ecpg_free(host);

							/*
							 * port not set yet if (port) ecpg_free(port);
							 */
							if (options)
								ecpg_free(options);
							if (realname)
								ecpg_free(realname);
							if (dbname)
								ecpg_free(dbname);
							free(this);
							return false;
						}
					}
					else
						port = ecpg_strdup(tmp + 1, lineno);
				}

				if (strncmp(dbname, "unix:", 5) == 0)
				{
					if (strcmp(dbname + offset, "localhost") != 0 && strcmp(dbname + offset, "127.0.0.1") != 0)
					{
						ecpg_log("ECPGconnect: non-localhost access via sockets on line %d\n", lineno);
						ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
						if (host)
							ecpg_free(host);
						if (port)
							ecpg_free(port);
						if (options)
							ecpg_free(options);
						if (realname)
							ecpg_free(realname);
						if (dbname)
							ecpg_free(dbname);
						free(this);
						return false;
					}
				}
				else
					host = ecpg_strdup(dbname + offset, lineno);

			}
		}
		else
		{
			/* old style: dbname[@server][:port] */
			tmp = strrchr(dbname, ':');
			if (tmp != NULL)	/* port number given */
			{
				port = ecpg_strdup(tmp + 1, lineno);
				*tmp = '\0';
			}

			tmp = strrchr(dbname, '@');
			if (tmp != NULL)	/* host name given */
			{
				host = ecpg_strdup(tmp + 1, lineno);
				*tmp = '\0';
			}

			realname = (strlen(dbname) > 0) ? ecpg_strdup(dbname, lineno) : NULL;
		}
	}
	else
		realname = NULL;

	/* add connection to our list */
#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_lock(&connections_mutex);
#endif
	if (connection_name != NULL)
		this->name = ecpg_strdup(connection_name, lineno);
	else
		this->name = ecpg_strdup(realname, lineno);

	this->cache_head = NULL;
	this->prep_stmts = NULL;

	if (all_connections == NULL)
		this->next = NULL;
	else
		this->next = all_connections;

	all_connections = this;
#ifdef ENABLE_THREAD_SAFETY
	pthread_setspecific(actual_connection_key, all_connections);
#endif
	actual_connection = all_connections;

	ecpg_log("ECPGconnect: opening database %s on %s port %s %s%s %s%s\n",
			 realname ? realname : "<DEFAULT>",
			 host ? host : "<DEFAULT>",
			 port ? (ecpg_internal_regression_mode ? "<REGRESSION_PORT>" : port) : "<DEFAULT>",
			 options ? "with options " : "", options ? options : "",
			 (user && strlen(user) > 0) ? "for user " : "", user ? user : "");

	connect_string = ecpg_alloc(strlen_or_null(host)
								+ strlen_or_null(port)
								+ strlen_or_null(options)
								+ strlen_or_null(realname)
								+ strlen_or_null(user)
								+ strlen_or_null(passwd)
			  + sizeof(" host = port = dbname = user = password ="******"%s%s %s%s %s%s %s%s %s%s %s",
			realname ? "dbname=" : "", realname ? realname : "",
			host ? "host=" : "", host ? host : "",
			port ? "port=" : "", port ? port : "",
			(user && strlen(user) > 0) ? "user="******"", user ? user : "",
	 (passwd && strlen(passwd) > 0) ? "password="******"", passwd ? passwd : "",
			options ? options : "");

	/*
	 * this is deprecated this->connection = PQsetdbLogin(host, port, options,
	 * NULL, realname, user, passwd);
	 */
	this->connection = PQconnectdb(connect_string);

	ecpg_free(connect_string);
	if (host)
		ecpg_free(host);
	if (port)
		ecpg_free(port);
	if (options)
		ecpg_free(options);
	if (dbname)
		ecpg_free(dbname);

	if (PQstatus(this->connection) == CONNECTION_BAD)
	{
		const char *errmsg = PQerrorMessage(this->connection);
		const char *db = realname ? realname : ecpg_gettext("<DEFAULT>");

		ecpg_log("ECPGconnect: could not open database: %s\n", errmsg);

		ecpg_finish(this);
#ifdef ENABLE_THREAD_SAFETY
		pthread_mutex_unlock(&connections_mutex);
#endif

		ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, db);
		if (realname)
			ecpg_free(realname);

		return false;
	}

	if (realname)
		ecpg_free(realname);

#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_unlock(&connections_mutex);
#endif

	this->autocommit = autocommit;

	PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);

	return true;
}
示例#10
0
/* this contains some quick hacks, needs to be cleaned up, but it works */
bool
ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
{
	struct sqlca_t *sqlca = ECPGget_sqlca();
	enum COMPAT_MODE compat = c;
	struct connection *this;
	int			i,
				connect_params = 0;
	char	   *dbname = name ? ecpg_strdup(name, lineno) : NULL,
			   *host = NULL,
			   *tmp,
			   *port = NULL,
			   *realname = NULL,
			   *options = NULL;
	const char **conn_keywords;
	const char **conn_values;

	ecpg_init_sqlca(sqlca);

	/*
	 * clear auto_mem structure because some error handling functions might
	 * access it
	 */
	ecpg_clear_auto_mem();

	if (INFORMIX_MODE(compat))
	{
		char	   *envname;

		/*
		 * Informix uses an environment variable DBPATH that overrides the
		 * connection parameters given here. We do the same with PG_DBPATH as
		 * the syntax is different.
		 */
		envname = getenv("PG_DBPATH");
		if (envname)
		{
			ecpg_free(dbname);
			dbname = ecpg_strdup(envname, lineno);
		}

	}

	if (dbname == NULL && connection_name == NULL)
		connection_name = "DEFAULT";

#if ENABLE_THREAD_SAFETY
	ecpg_pthreads_init();
#endif

	/* check if the identifier is unique */
	if (ecpg_get_connection(connection_name))
	{
		ecpg_free(dbname);
		ecpg_log("ECPGconnect: connection identifier %s is already in use\n",
				 connection_name);
		return false;
	}

	if ((this = (struct connection *) ecpg_alloc(sizeof(struct connection), lineno)) == NULL)
		return false;

	if (dbname != NULL)
	{
		/* get the detail information from dbname */
		if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
		{
			int			offset = 0;

			/*
			 * only allow protocols tcp and unix
			 */
			if (strncmp(dbname, "tcp:", 4) == 0)
				offset = 4;
			else if (strncmp(dbname, "unix:", 5) == 0)
				offset = 5;

			if (strncmp(dbname + offset, "postgresql://", strlen("postgresql://")) == 0)
			{

				/*------
				 * new style:
				 *	<tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
				 *	[/db-name][?options]
				 *------
				 */
				offset += strlen("postgresql://");

				tmp = strrchr(dbname + offset, '?');
				if (tmp != NULL)	/* options given */
				{
					options = ecpg_strdup(tmp + 1, lineno);
					*tmp = '\0';
				}

				tmp = last_dir_separator(dbname + offset);
				if (tmp != NULL)	/* database name given */
				{
					if (tmp[1] != '\0') /* non-empty database name */
					{
						realname = ecpg_strdup(tmp + 1, lineno);
						connect_params++;
					}
					*tmp = '\0';
				}

				tmp = strrchr(dbname + offset, ':');
				if (tmp != NULL)	/* port number or Unix socket path given */
				{
					char	   *tmp2;

					*tmp = '\0';
					if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
					{
						*tmp2 = '\0';
						host = ecpg_strdup(tmp + 1, lineno);
						connect_params++;
						if (strncmp(dbname, "unix:", 5) != 0)
						{
							ecpg_log("ECPGconnect: socketname %s given for TCP connection on line %d\n", host, lineno);
							ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
							if (host)
								ecpg_free(host);

							/*
							 * port not set yet if (port) ecpg_free(port);
							 */
							if (options)
								ecpg_free(options);
							if (realname)
								ecpg_free(realname);
							if (dbname)
								ecpg_free(dbname);
							free(this);
							return false;
						}
					}
					else
					{
						port = ecpg_strdup(tmp + 1, lineno);
						connect_params++;
					}
				}

				if (strncmp(dbname, "unix:", 5) == 0)
				{
					if (strcmp(dbname + offset, "localhost") != 0 && strcmp(dbname + offset, "127.0.0.1") != 0)
					{
						ecpg_log("ECPGconnect: non-localhost access via sockets on line %d\n", lineno);
						ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
						if (host)
							ecpg_free(host);
						if (port)
							ecpg_free(port);
						if (options)
							ecpg_free(options);
						if (realname)
							ecpg_free(realname);
						if (dbname)
							ecpg_free(dbname);
						free(this);
						return false;
					}
				}
				else
				{
					if (*(dbname + offset) != '\0')
					{
						host = ecpg_strdup(dbname + offset, lineno);
						connect_params++;
					}
				}

			}
		}
		else
		{
			/* old style: dbname[@server][:port] */
			tmp = strrchr(dbname, ':');
			if (tmp != NULL)	/* port number given */
			{
				port = ecpg_strdup(tmp + 1, lineno);
				connect_params++;
				*tmp = '\0';
			}

			tmp = strrchr(dbname, '@');
			if (tmp != NULL)	/* host name given */
			{
				host = ecpg_strdup(tmp + 1, lineno);
				connect_params++;
				*tmp = '\0';
			}

			if (strlen(dbname) > 0)
			{
				realname = ecpg_strdup(dbname, lineno);
				connect_params++;
			}
			else
				realname = NULL;
		}
	}
	else
		realname = NULL;

	/* add connection to our list */
#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_lock(&connections_mutex);
#endif
	if (connection_name != NULL)
		this->name = ecpg_strdup(connection_name, lineno);
	else
		this->name = ecpg_strdup(realname, lineno);

	this->cache_head = NULL;
	this->prep_stmts = NULL;

	if (all_connections == NULL)
		this->next = NULL;
	else
		this->next = all_connections;

	all_connections = this;
#ifdef ENABLE_THREAD_SAFETY
	pthread_setspecific(actual_connection_key, all_connections);
#endif
	actual_connection = all_connections;

	ecpg_log("ECPGconnect: opening database %s on %s port %s %s%s %s%s\n",
			 realname ? realname : "<DEFAULT>",
			 host ? host : "<DEFAULT>",
			 port ? (ecpg_internal_regression_mode ? "<REGRESSION_PORT>" : port) : "<DEFAULT>",
			 options ? "with options " : "", options ? options : "",
			 (user && strlen(user) > 0) ? "for user " : "", user ? user : "");

	if (options)
		for (i = 0; options[i]; i++)
			/* count options */
			if (options[i] == '=')
				connect_params++;

	if (user && strlen(user) > 0)
		connect_params++;
	if (passwd && strlen(passwd) > 0)
		connect_params++;

	/* allocate enough space for all connection parameters */
	conn_keywords = (const char **) ecpg_alloc((connect_params + 1) * sizeof(char *), lineno);
	conn_values = (const char **) ecpg_alloc(connect_params * sizeof(char *), lineno);
	if (conn_keywords == NULL || conn_values == NULL)
	{
		if (host)
			ecpg_free(host);
		if (port)
			ecpg_free(port);
		if (options)
			ecpg_free(options);
		if (realname)
			ecpg_free(realname);
		if (dbname)
			ecpg_free(dbname);
		if (conn_keywords)
			ecpg_free(conn_keywords);
		if (conn_values)
			ecpg_free(conn_values);
		free(this);
		return false;
	}

	i = 0;
	if (realname)
	{
		conn_keywords[i] = "dbname";
		conn_values[i] = realname;
		i++;
	}
	if (host)
	{
		conn_keywords[i] = "host";
		conn_values[i] = host;
		i++;
	}
	if (port)
	{
		conn_keywords[i] = "port";
		conn_values[i] = port;
		i++;
	}
	if (user && strlen(user) > 0)
	{
		conn_keywords[i] = "user";
		conn_values[i] = user;
		i++;
	}
	if (passwd && strlen(passwd) > 0)
	{
		conn_keywords[i] = "password";
		conn_values[i] = passwd;
		i++;
	}
	if (options)
	{
		char	   *str;

		/* options look like this "option1 = value1 option2 = value2 ... */
		/* we have to break up the string into single options */
		for (str = options; *str;)
		{
			int			e,
						a;
			char	   *token1,
					   *token2;

			for (token1 = str; *token1 && *token1 == ' '; token1++);
			for (e = 0; token1[e] && token1[e] != '='; e++);
			if (token1[e])		/* found "=" */
			{
				token1[e] = '\0';
				for (token2 = token1 + e + 1; *token2 && *token2 == ' '; token2++);
				for (a = 0; token2[a] && token2[a] != '&'; a++);
				if (token2[a])	/* found "&" => another option follows */
				{
					token2[a] = '\0';
					str = token2 + a + 1;
				}
				else
					str = token2 + a;

				conn_keywords[i] = token1;
				conn_values[i] = token2;
				i++;
			}
			else
				/* the parser should not be able to create this invalid option */
				str = token1 + e;
		}

	}
	conn_keywords[i] = NULL;	/* terminator */

	this->connection = PQconnectdbParams(conn_keywords, conn_values, 0);

	if (host)
		ecpg_free(host);
	if (port)
		ecpg_free(port);
	if (options)
		ecpg_free(options);
	if (dbname)
		ecpg_free(dbname);
	ecpg_free(conn_values);
	ecpg_free(conn_keywords);

	if (PQstatus(this->connection) == CONNECTION_BAD)
	{
		const char *errmsg = PQerrorMessage(this->connection);
		const char *db = realname ? realname : ecpg_gettext("<DEFAULT>");

		ecpg_log("ECPGconnect: could not open database: %s\n", errmsg);

		ecpg_finish(this);
#ifdef ENABLE_THREAD_SAFETY
		pthread_mutex_unlock(&connections_mutex);
#endif

		ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, db);
		if (realname)
			ecpg_free(realname);

		return false;
	}

	if (realname)
		ecpg_free(realname);

#ifdef ENABLE_THREAD_SAFETY
	pthread_mutex_unlock(&connections_mutex);
#endif

	this->autocommit = autocommit;

	PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);

	return true;
}