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C++ PQclear函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中PQclear函数的典型用法代码示例。如果您正苦于以下问题:C++ PQclear函数的具体用法?C++ PQclear怎么用?C++ PQclear使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了PQclear函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: main

int main(void)
{
	char hostname[STRSIZE], port[STRSIZE], dbname[STRSIZE], login[STRSIZE], password[STRSIZE], tablename[STRSIZE], query[STRSIZE*2];
	int noffields, noftuples, i, j;
	PGconn *conn;
	PGresult *exres;

#ifdef WIN32
	system("chcp 65001"); // Устанавливает кодовую страницу utf-8 (для вывода русских символов)
	//setlocale(LC_ALL, ".65001");
#endif

	EnterConnectionInfo(hostname, port, dbname, login, password);
	
	conn = PQsetdbLogin(hostname, port, NULL, NULL, dbname, login, password);
	
	if(PQstatus(conn) == CONNECTION_BAD) {
		printf("connection error\n");
		return 1;
	}

	printf("enter table name: ");
	fgets(tablename, STRSIZE, stdin); tablename[STRSIZE-1] = 0;
	if(strlen(tablename) > 0)
		tablename[strlen(tablename)-1] = 0;

	strcpy(query, "SELECT * FROM ");
	strcat(query, tablename);

	exres = PQexec(conn, query);

	switch(PQresultStatus(exres)) {
		case PGRES_TUPLES_OK:
			break;
		case PGRES_FATAL_ERROR:
			printf("can\'t read table \'%s\'\n", tablename);
			
			goto EXIT;
		case PGRES_EMPTY_QUERY:
			printf("Something goes wrong^_^\'\n");

			goto EXIT;
		case PGRES_COMMAND_OK:
			printf("Table is empty\n");

			goto EXIT;
	}

	//PGRES_TUPLES_OK
	noffields = PQnfields(exres);
	noftuples = PQntuples(exres);
	printf("Table contains %d tuples(rows) with %d fields(columns)\n", noftuples, noffields);
	// Рисуем заголовок
	for(j = 0; j < noffields; j++)
		printf("|%-18s|", PQfname(exres, j));
	printf("\n");
	for(j = 0; j < noffields; j++)
		printf("|__________________|");
	printf("\n");
	// Рисуем остальную таблицу
	for(i = 0; i < noftuples; i++) {
		for(j = 0; j < noffields; j++) {
			printf("|%-18s|", PQgetvalue(exres, i, j));
		}
		printf("\n");
	}
	
EXIT:
	PQclear(exres);
	PQfinish(conn);
	
	return 0;
}
开发者ID:plzombie,项目名称:Yet-another-example-of-libpq-using,代码行数:73,代码来源:main.c


示例2: gpdb_get_hostlist


//.........这里部分代码省略.........
				CHECKMEM(hostinfo_holder->addressinfo_tail);
				hostinfo_holder->addressinfo_tail = hostinfo_holder->addressinfo_tail->next;

				// second is address
				hostinfo_holder->addressinfo_tail->address = strdup(PQgetvalue(result, i, 1));
				CHECKMEM(hostinfo_holder->addressinfo_tail->address);

				// one for hostname one for address
				hostinfo_holder->address_count = 2;
			}
			else
			{
				// permenant memory for address list -- stored for duration
				hostinfo_holder->addressinfo_tail->next = calloc(1, sizeof(addressinfo_holder_t));
				CHECKMEM(hostinfo_holder->addressinfo_tail);

				hostinfo_holder->addressinfo_tail = hostinfo_holder->addressinfo_tail->next;

				// permenant memory for address list -- stored for duration
				hostinfo_holder->addressinfo_tail->address = strdup(PQgetvalue(result, i, 1));
				CHECKMEM(hostinfo_holder->addressinfo_tail->address);

				hostinfo_holder->address_count++;
			}

		}

		// if we have any appliance specific hosts such as hadoop nodes add them to the hash table
		if (get_appliance_hosts_and_add_to_hosts(pool, htab))
		{
			TR0(("Not an appliance: checking for SW Only hadoop hosts.\n"));
			get_hadoop_hosts_and_add_to_hosts(pool, htab, opt); // Not an appliance, so check for SW only hadoop nodes.
		}

		unique_hosts = apr_hash_count(htab);

		// allocate memory for host list (not freed ever)
		hosts = calloc(unique_hosts, sizeof(host_t));

		apr_hash_index_t* hi;
		void* vptr;
		int hostcounter = 0;
		for (hi = apr_hash_first(0, htab); hi; hi = apr_hash_next(hi))
		{
			// sanity check
			if (hostcounter >= unique_hosts)
			{
				gpmon_fatalx(FLINE, 0, "host counter exceeds unique hosts");
			}

			apr_hash_this(hi, 0, 0, &vptr);
			hostinfo_holder = vptr;

			hosts[hostcounter].hostname = strdup(hostinfo_holder->hostname);
			hosts[hostcounter].data_dir = strdup(hostinfo_holder->datadir);
			if (hostinfo_holder->smon_dir)
			{
				hosts[hostcounter].smon_bin_location = strdup(hostinfo_holder->smon_dir);
			}
			hosts[hostcounter].is_master = hostinfo_holder->is_master;
			hosts[hostcounter].addressinfo_head = hostinfo_holder->addressinfo_head;
			hosts[hostcounter].addressinfo_tail = hostinfo_holder->addressinfo_tail;
			hosts[hostcounter].address_count = hostinfo_holder->address_count;
			hosts[hostcounter].connection_hostname.current = hosts[hostcounter].addressinfo_head;
			hosts[hostcounter].snmp_hostname.current = hosts[hostcounter].addressinfo_head;

			if (hostinfo_holder->is_hdm)
				hosts[hostcounter].is_hdm = 1;

			if (hostinfo_holder->is_hdw)
				hosts[hostcounter].is_hdw = 1;

			if (hostinfo_holder->is_etl)
				hosts[hostcounter].is_etl = 1;

			if (hostinfo_holder->is_hbw)
				hosts[hostcounter].is_hbw = 1;

			if (hostinfo_holder->is_hdc)
				hosts[hostcounter].is_hdc = 1;

			apr_thread_mutex_create(&hosts[hostcounter].mutex, APR_THREAD_MUTEX_UNNESTED, global_pool); // use the global pool so the mutexes last beyond this function

			hostcounter++;
		}

		*hostcnt = hostcounter;
	}

	apr_pool_destroy(pool);
	PQclear(result);
	PQfinish(conn);

	if (!hosts || *hostcnt < 1)
	{
		gpmon_fatalx(FLINE, 0, "no valid hosts found");
	}

	*host_table = hosts;
}
开发者ID:AnLingm,项目名称:gpdb,代码行数:101,代码来源:gpmondb.c


示例3: definitions

/****************************************************
 initBuckets

 Initialize the bucket definition list
 If an error occured, write the error to stdout

 @param PGconn *pgConn  Database connection object
 @param int bucketpool_pk
 @param cacheroot_t *pcroot  license cache root

 @return an array of bucket definitions (in eval order)
 or 0 if error.
****************************************************/
FUNCTION pbucketdef_t initBuckets(PGconn *pgConn, int bucketpool_pk, cacheroot_t *pcroot)
{
  char *fcnName = "initBuckets";
  char sqlbuf[256];
  char filepath[256];
  char hostname[256];
  PGresult *result;
  pbucketdef_t bucketDefList = 0;
  int  numRows, rowNum;
  int  rv, numErrors=0;
  struct stat statbuf;

  /* reasonable input validation  */
  if ((!pgConn) || (!bucketpool_pk)) 
  {
    printf("ERROR: %s.%s.%d Invalid input pgConn: %lx, bucketpool_pk: %d.\n",
            __FILE__, fcnName, __LINE__, (unsigned long)pgConn, bucketpool_pk);
    return 0;
  }

  /* get bucket defs from db */
  sprintf(sqlbuf, "select bucket_pk, bucket_type, bucket_regex, bucket_filename, stopon, bucket_name, applies_to from bucket_def where bucketpool_fk=%d order by bucket_evalorder asc", bucketpool_pk);
  result = PQexec(pgConn, sqlbuf);
  if (checkPQresult(pgConn, result, sqlbuf, fcnName, __LINE__)) return 0;
  numRows = PQntuples(result);
  if (numRows == 0) /* no bucket recs for pool?  return error */
  {
    printf("ERROR: %s.%s.%d No bucket defs for pool %d.\n",
            __FILE__, fcnName, __LINE__, bucketpool_pk);
    PQclear(result);
    return 0;
  }

  bucketDefList = calloc(numRows+1, sizeof(bucketdef_t));
  if (bucketDefList == 0)
  {
    printf("ERROR: %s.%s.%d No memory to allocate %d bucket defs.\n",
            __FILE__, fcnName, __LINE__, numRows);
    return 0;
  }

  /* put each db bucket def into bucketDefList in eval order */
  for (rowNum=0; rowNum<numRows; rowNum++)
  {
    bucketDefList[rowNum].bucket_pk = atoi(PQgetvalue(result, rowNum, 0));
    bucketDefList[rowNum].bucket_type = atoi(PQgetvalue(result, rowNum, 1));
    bucketDefList[rowNum].bucketpool_pk = bucketpool_pk;

    /* compile regex if type 3 (REGEX) */
    if (bucketDefList[rowNum].bucket_type == 3)
    {
      rv = regcomp(&bucketDefList[rowNum].compRegex, PQgetvalue(result, rowNum, 2), 
                   REG_NOSUB | REG_ICASE | REG_EXTENDED);
      if (rv != 0)
      {
        printf("ERROR: %s.%s.%d Invalid regular expression for bucketpool_pk: %d, bucket: %s\n",
               __FILE__, fcnName, __LINE__, bucketpool_pk, PQgetvalue(result, rowNum, 5));
        numErrors++;
      }
      bucketDefList[rowNum].regex = strdup(PQgetvalue(result, rowNum, 2));
    }

    bucketDefList[rowNum].dataFilename = strdup(PQgetvalue(result, rowNum, 3));

    /* verify that external file dataFilename exists */
    if (strlen(bucketDefList[rowNum].dataFilename) > 0)
    {
      snprintf(filepath, sizeof(filepath), "%s/bucketpools/%d/%s",
        PROJECTSTATEDIR, bucketpool_pk, bucketDefList[rowNum].dataFilename);
      if (stat(filepath, &statbuf) == -1)
      {
        hostname[0] = 0;
        gethostname(hostname, sizeof(hostname));
        printf("ERROR: %s.%s.%d File: %s is missing on host: %s.  bucketpool_pk: %d, bucket: %s\n",
               __FILE__, fcnName, __LINE__, filepath, hostname, bucketpool_pk, PQgetvalue(result, rowNum, 5));
        numErrors++;
      }
    }

    /* MATCH_EVERY */
    if (bucketDefList[rowNum].bucket_type == 1)
      bucketDefList[rowNum].match_every = getMatchEvery(pgConn, bucketpool_pk, bucketDefList[rowNum].dataFilename, pcroot);

    /* MATCH_ONLY */
    if (bucketDefList[rowNum].bucket_type == 2)
    {
      bucketDefList[rowNum].match_only = getMatchOnly(pgConn, bucketpool_pk, bucketDefList[rowNum].dataFilename, pcroot);
//.........这里部分代码省略.........
开发者ID:Triangled,项目名称:fossology,代码行数:101,代码来源:inits.c


示例4: main


//.........这里部分代码省略.........
		if (!pset.logfile)
		{
			fprintf(stderr, _("%s: could not open log file \"%s\": %s\n"),
					pset.progname, options.logfilename, strerror(errno));
			exit(EXIT_FAILURE);
		}
	}

	if (!options.no_psqlrc)
		process_psqlrc(argv[0]);

	/*
	 * If any actions were given by user, process them in the order in which
	 * they were specified.  Note single_txn is only effective in this mode.
	 */
	if (options.actions.head != NULL)
	{
		PGresult   *res;
		SimpleActionListCell *cell;

		successResult = EXIT_SUCCESS;	/* silence compiler */

		if (options.single_txn)
		{
			if ((res = PSQLexec("BEGIN")) == NULL)
			{
				if (pset.on_error_stop)
				{
					successResult = EXIT_USER;
					goto error;
				}
			}
			else
				PQclear(res);
		}

		for (cell = options.actions.head; cell; cell = cell->next)
		{
			if (cell->action == ACT_SINGLE_QUERY)
			{
				if (pset.echo == PSQL_ECHO_ALL)
					puts(cell->val);

				successResult = SendQuery(cell->val)
					? EXIT_SUCCESS : EXIT_FAILURE;
			}
			else if (cell->action == ACT_SINGLE_SLASH)
			{
				PsqlScanState scan_state;

				if (pset.echo == PSQL_ECHO_ALL)
					puts(cell->val);

				scan_state = psql_scan_create(&psqlscan_callbacks);
				psql_scan_setup(scan_state,
								cell->val, strlen(cell->val),
								pset.encoding, standard_strings());

				successResult = HandleSlashCmds(scan_state, NULL) != PSQL_CMD_ERROR
					? EXIT_SUCCESS : EXIT_FAILURE;

				psql_scan_destroy(scan_state);
			}
			else if (cell->action == ACT_FILE)
			{
				successResult = process_file(cell->val, false);
开发者ID:0x0FFF,项目名称:postgres,代码行数:67,代码来源:startup.c


示例5: main


//.........这里部分代码省略.........
	PQExpBufferData sql;

	PGconn	   *conn;
	PGresult   *result;

	progname = get_progname(argv[0]);
	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts"));

	handle_help_version_opts(argc, argv, "dropuser", help);

	while ((c = getopt_long(argc, argv, "h:p:U:wWei", long_options, &optindex)) != -1)
	{
		switch (c)
		{
			case 'h':
				host = pg_strdup(optarg);
				break;
			case 'p':
				port = pg_strdup(optarg);
				break;
			case 'U':
				username = pg_strdup(optarg);
				break;
			case 'w':
				prompt_password = TRI_NO;
				break;
			case 'W':
				prompt_password = TRI_YES;
				break;
			case 'e':
				echo = true;
				break;
			case 'i':
				interactive = true;
				break;
			case 0:
				/* this covers the long options */
				break;
			default:
				fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
				exit(1);
		}
	}

	switch (argc - optind)
	{
		case 0:
			break;
		case 1:
			dropuser = argv[optind];
			break;
		default:
			fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"),
					progname, argv[optind + 1]);
			fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
			exit(1);
	}

	if (dropuser == NULL)
	{
		if (interactive)
			dropuser = simple_prompt("Enter name of role to drop: ", 128, true);
		else
		{
			fprintf(stderr, _("%s: missing required argument role name\n"), progname);
			fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
			exit(1);
		}
	}

	if (interactive)
	{
		printf(_("Role \"%s\" will be permanently removed.\n"), dropuser);
		if (!yesno_prompt("Are you sure?"))
			exit(0);
	}

	initPQExpBuffer(&sql);
	appendPQExpBuffer(&sql, "DROP ROLE %s%s;",
					  (if_exists ? "IF EXISTS " : ""), fmtId(dropuser));

	conn = connectDatabase("postgres", host, port, username, prompt_password,
						   progname, false, false);

	if (echo)
		printf("%s\n", sql.data);
	result = PQexec(conn, sql.data);

	if (PQresultStatus(result) != PGRES_COMMAND_OK)
	{
		fprintf(stderr, _("%s: removal of role \"%s\" failed: %s"),
				progname, dropuser, PQerrorMessage(conn));
		PQfinish(conn);
		exit(1);
	}

	PQclear(result);
	PQfinish(conn);
	exit(0);
}
开发者ID:BenjaminYu,项目名称:postgres,代码行数:101,代码来源:dropuser.c


示例6: ows_storage_fill_attributes

/*
 * Retrieve columns name and type of a table related a given layer
 */
static void ows_storage_fill_attributes(ows * o, ows_layer * l)
{
  buffer *sql;
  PGresult *res;
  buffer *b, *t;
  int i, end;
  list_node *ln;

  assert(o);
  assert(l);
  assert(l->storage);

  sql = buffer_init();

  buffer_add_str(sql, "SELECT a.attname AS field, t.typname AS type ");
  buffer_add_str(sql, "FROM pg_class c, pg_attribute a, pg_type t, pg_namespace n WHERE n.nspname = '");
  buffer_copy(sql, l->storage->schema);
  buffer_add_str(sql, "' AND c.relname = '");
  buffer_copy(sql, l->storage->table);
  buffer_add_str(sql, "' AND c.relnamespace = n.oid AND a.attrelid = c.oid AND a.atttypid = t.oid");
  if (l->include_items) {
    buffer_add_str(sql, " AND a.attname IN (");
    for (ln = l->include_items->first ; ln ; ln = ln->next) {
      buffer_add_str(sql, "'");
      buffer_copy(sql, ln->value);
      buffer_add_str(sql, "', ");
    }
    if (l->include_items->first && l->storage->pkey) {
      buffer_add_str(sql, "'");
      buffer_copy(sql, l->storage->pkey );
      buffer_add_str(sql, "',");
    }

    buffer_add_str(sql, " '');");
  } else {
    buffer_add_str(sql, " AND a.attnum > 0;");
  }

  res = ows_psql_exec(o, sql->buf);
  buffer_free(sql);

  if (PQresultStatus(res) != PGRES_TUPLES_OK) {
    PQclear(res);
    ows_error(o, OWS_ERROR_REQUEST_SQL_FAILED, "Unable to access pg_* tables.", "fill_attributes");
    return;
  }

  for (i = 0, end = PQntuples(res); i < end; i++) {
    b = buffer_init();
    t = buffer_init();
    buffer_add_str(b, PQgetvalue(res, i, 0));
    buffer_add_str(t, PQgetvalue(res, i, 1));

    /* If the column is a geometry, get its real geometry type */
    if (buffer_cmp(t, "geometry")) {
      PGresult *geom_res;
      buffer *geom_sql = buffer_init();
      buffer_add_str(geom_sql, "SELECT type from geometry_columns where f_table_schema='");
      buffer_copy(geom_sql, l->storage->schema);
      buffer_add_str(geom_sql,"' and f_table_name='");
      buffer_copy(geom_sql, l->storage->table);
      buffer_add_str(geom_sql,"' and f_geometry_column='");
      buffer_copy(geom_sql, b);
      buffer_add_str(geom_sql,"';");

      geom_res = ows_psql_exec(o, geom_sql->buf);
      buffer_free(geom_sql);

      if (PQresultStatus(geom_res) != PGRES_TUPLES_OK || PQntuples(geom_res) == 0) {
        PQclear(res);
        PQclear(geom_res);
        ows_error(o, OWS_ERROR_REQUEST_SQL_FAILED,
                  "Unable to access geometry_columns table, try Populate_Geometry_Columns()", "fill_attributes");
        return;
      }

      buffer_empty(t);
      buffer_add_str(t, PQgetvalue(geom_res, 0, 0));
      PQclear(geom_res);
    }

    array_add(l->storage->attributes, b, t);
  }
  PQclear(res);

}
开发者ID:joathan00,项目名称:gitted.ig3,代码行数:89,代码来源:ows_storage.c


示例7: PQclear_app

void PQclear_app(finalizeonce *res) {
  if (res->isfinalized)
    return;
  PQclear((PGresult *) (res->encapobj));
  res->isfinalized = 1;
}
开发者ID:abuiles,项目名称:turbinado-blog,代码行数:6,代码来源:hdbc-postgresql-helper.c


示例8: main


//.........这里部分代码省略.........
  if (UseRepository) 
  {
    /* Check Permissions */
    if (GetUploadPerm(pgConn, atoi(Upload_Pk), user_pk) < PERM_WRITE)
    {
      LOG_ERROR("You have no update permissions on upload %s", Upload_Pk);
      SafeExit(100);
    }
        
    COMMIT_HASH = fo_sysconfig(AgentName, "COMMIT_HASH");
    VERSION = fo_sysconfig(AgentName, "VERSION");
    sprintf(agent_rev, "%s.%s", VERSION, COMMIT_HASH);
    /* Get the unpack agent key */
    agent_pk = fo_GetAgentKey(pgConn, AgentName, atoi(Upload_Pk), agent_rev,agent_desc);

    InitCmd();

    /* Make sure ars table exists */
    if (!fo_CreateARSTable(pgConn, AgentARSName)) SafeExit(0);

    /* Has this user previously unpacked this upload_pk successfully?
     *    In this case we are done.  No new ars record is needed since no
     *    processing is initiated.
     * The unpack version is ignored.
     */
    snprintf(SQL,MAXSQL,
        "SELECT ars_pk from %s where upload_fk='%s' and ars_success=TRUE",
           AgentARSName, Upload_Pk);
    result =  PQexec(pgConn, SQL);
    if (fo_checkPQresult(pgConn, result, SQL, __FILE__, __LINE__)) SafeExit(101);

    if (PQntuples(result) > 0) /* if there is a value */
    {  
      PQclear(result);
      LOG_WARNING("Upload_pk %s, has already been unpacked.  No further action required", 
              Upload_Pk)
      SafeExit(0);
    }
    PQclear(result);

    /* write the unpack_ars start record */
    ars_pk = fo_WriteARS(pgConn, ars_pk, atoi(Upload_Pk), agent_pk, AgentARSName, 0, 0);

    /* Get Pfile path and Pfile_Pk, from Upload_Pk */
  snprintf(SQL,MAXSQL,
        "SELECT pfile.pfile_sha1 || '.' || pfile.pfile_md5 || '.' || pfile.pfile_size AS pfile, pfile_fk, pfile_size FROM upload INNER JOIN pfile ON upload.pfile_fk = pfile.pfile_pk WHERE upload.upload_pk = '%s'", 
           Upload_Pk);
    result =  PQexec(pgConn, SQL);
    if (fo_checkPQresult(pgConn, result, SQL, __FILE__, __LINE__)) SafeExit(102);

    if (PQntuples(result) > 0) /* if there is a value */
    {  
      Pfile = strdup(PQgetvalue(result,0,0));
      Pfile_Pk = strdup(PQgetvalue(result,0,1));
      Pfile_size = atol(PQgetvalue(result, 0, 2));
      if (Pfile_size == 0)
      {  
        PQclear(result);
        LOG_WARNING("Uploaded file (Upload_pk %s), is zero length.  There is nothing to unpack.", 
                      Upload_Pk)
        SafeExit(0);
      }

      PQclear(result);
    }
开发者ID:7hibault,项目名称:fossology,代码行数:66,代码来源:ununpack.c


示例9: vacuumlo

/*
 * This vacuums LOs of one database. It returns 0 on success, -1 on failure.
 */
int
vacuumlo(char *database, struct _param * param)
{
	PGconn	   *conn;
	PGresult   *res,
			   *res2;
	char		buf[BUFSIZE];
	int			matched;
	int			deleted;
	int			i;
	static char *password = NULL;
	bool		new_pass;

	if (param->pg_prompt == TRI_YES && password == NULL)
		password = simple_prompt("Password: ", 100, false);

	/*
	 * Start the connection.  Loop until we have a password if requested by
	 * backend.
	 */
	do
	{
		new_pass = false;

		conn = PQsetdbLogin(param->pg_host,
							param->pg_port,
							NULL,
							NULL,
							database,
							param->pg_user,
							password);
		if (!conn)
		{
			fprintf(stderr, "Connection to database \"%s\" failed\n",
					database);
			return -1;
		}

		if (PQstatus(conn) == CONNECTION_BAD &&
			PQconnectionNeedsPassword(conn) &&
			password == NULL &&
			param->pg_prompt != TRI_NO)
		{
			PQfinish(conn);
			password = simple_prompt("Password: ", 100, false);
			new_pass = true;
		}
	} while (new_pass);

	/* check to see that the backend connection was successfully made */
	if (PQstatus(conn) == CONNECTION_BAD)
	{
		fprintf(stderr, "Connection to database \"%s\" failed:\n%s",
				database, PQerrorMessage(conn));
		PQfinish(conn);
		return -1;
	}

	if (param->verbose)
	{
		fprintf(stdout, "Connected to %s\n", database);
		if (param->dry_run)
			fprintf(stdout, "Test run: no large objects will be removed!\n");
	}

	/*
	 * Don't get fooled by any non-system catalogs
	 */
	res = PQexec(conn, "SET search_path = pg_catalog");
	if (PQresultStatus(res) != PGRES_COMMAND_OK)
	{
		fprintf(stderr, "Failed to set search_path:\n");
		fprintf(stderr, "%s", PQerrorMessage(conn));
		PQclear(res);
		PQfinish(conn);
		return -1;
	}
	PQclear(res);

	/*
	 * First we create and populate the LO temp table
	 */
	buf[0] = '\0';
	strcat(buf, "CREATE TEMP TABLE vacuum_l AS ");
	if (PQserverVersion(conn) >= 90000)
		strcat(buf, "SELECT oid AS lo FROM pg_largeobject_metadata");
	else
		strcat(buf, "SELECT DISTINCT loid AS lo FROM pg_largeobject");
	res = PQexec(conn, buf);
	if (PQresultStatus(res) != PGRES_COMMAND_OK)
	{
		fprintf(stderr, "Failed to create temp table:\n");
		fprintf(stderr, "%s", PQerrorMessage(conn));
		PQclear(res);
		PQfinish(conn);
		return -1;
	}
//.........这里部分代码省略.........
开发者ID:GisKook,项目名称:Gis,代码行数:101,代码来源:vacuumlo.c


示例10: postgres_plugin_get

/**
 * Iterate over the results for a particular key
 * in the datastore.
 *
 * @param cls closure (our "struct Plugin")
 * @param key
 * @param type entries of which type are relevant?
 * @param iter maybe NULL (to just count)
 * @param iter_cls closure for iter
 * @return the number of results found
 */
static unsigned int
postgres_plugin_get (void *cls, const struct GNUNET_HashCode * key,
                     enum GNUNET_BLOCK_Type type,
                     GNUNET_DATACACHE_Iterator iter, void *iter_cls)
{
  struct Plugin *plugin = cls;
  uint32_t btype = htonl (type);

  const char *paramValues[] = {
    (const char *) key,
    (const char *) &btype,
  };
  int paramLengths[] = {
    sizeof (struct GNUNET_HashCode),
    sizeof (btype),
  };
  const int paramFormats[] = { 1, 1 };
  struct GNUNET_TIME_Absolute expiration_time;
  uint32_t size;
  unsigned int cnt;
  unsigned int i;
  unsigned int path_len;
  const struct GNUNET_PeerIdentity *path;
  PGresult *res;

  res =
      PQexecPrepared (plugin->dbh, (type == 0) ? "getk" : "getkt",
                      (type == 0) ? 1 : 2, paramValues, paramLengths,
                      paramFormats, 1);
  if (GNUNET_OK !=
      GNUNET_POSTGRES_check_result (plugin->dbh, res, PGRES_TUPLES_OK, "PQexecPrepared",
				    (type == 0) ? "getk" : "getkt"))
  {
    LOG (GNUNET_ERROR_TYPE_DEBUG,
	 "Ending iteration (postgres error)\n");
    return 0;
  }

  if (0 == (cnt = PQntuples (res)))
  {
    /* no result */
    LOG (GNUNET_ERROR_TYPE_DEBUG, 
	 "Ending iteration (no more results)\n");
    PQclear (res);
    return 0;
  }
  if (iter == NULL)
  {
    PQclear (res);
    return cnt;
  }
  if ((4 != PQnfields (res)) || (sizeof (uint64_t) != PQfsize (res, 0)) ||
      (sizeof (uint32_t) != PQfsize (res, 1)))
  {
    GNUNET_break (0);
    PQclear (res);
    return 0;
  }
  for (i = 0; i < cnt; i++)
  {
    expiration_time.abs_value =
        GNUNET_ntohll (*(uint64_t *) PQgetvalue (res, i, 0));
    type = ntohl (*(uint32_t *) PQgetvalue (res, i, 1));
    size = PQgetlength (res, i, 2);
    path_len = PQgetlength (res, i, 3);
    if (0 != (path_len % sizeof (struct GNUNET_PeerIdentity)))
    {
      GNUNET_break (0);
      path_len = 0;
    }
    path_len %= sizeof (struct GNUNET_PeerIdentity);
    path = (const struct GNUNET_PeerIdentity *) PQgetvalue (res, i, 3);
    LOG (GNUNET_ERROR_TYPE_DEBUG, 
	 "Found result of size %u bytes and type %u in database\n",
	 (unsigned int) size, (unsigned int) type);
    if (GNUNET_SYSERR ==
        iter (iter_cls, key, size, PQgetvalue (res, i, 2),
              (enum GNUNET_BLOCK_Type) type,
	      expiration_time,
	      path_len,
	      path))
    {
      LOG (GNUNET_ERROR_TYPE_DEBUG, 
	   "Ending iteration (client error)\n");
      PQclear (res);
      return cnt;
    }
  }
  PQclear (res);
//.........这里部分代码省略.........
开发者ID:amatus,项目名称:gnunet-debian,代码行数:101,代码来源:plugin_datacache_postgres.c


示例11: init_connection

/**
 * @brief Get a database handle
 *
 * @param plugin global context
 * @return GNUNET_OK on success, GNUNET_SYSERR on error
 */
static int
init_connection (struct Plugin *plugin)
{
  PGresult *ret;

  plugin->dbh = GNUNET_POSTGRES_connect (plugin->env->cfg,
					 "datacache-postgres");
  if (NULL == plugin->dbh)
    return GNUNET_SYSERR;
  ret =
      PQexec (plugin->dbh,
              "CREATE TEMPORARY TABLE gn090dc ("
              "  type INTEGER NOT NULL DEFAULT 0,"
              "  discard_time BIGINT NOT NULL DEFAULT 0,"
              "  key BYTEA NOT NULL DEFAULT '',"
              "  value BYTEA NOT NULL DEFAULT '',"
              "  path BYTEA DEFAULT '')"
	      "WITH OIDS");
  if ( (ret == NULL) || 
       ((PQresultStatus (ret) != PGRES_COMMAND_OK) && 
	(0 != strcmp ("42P07",    /* duplicate table */
		      PQresultErrorField
		      (ret,
		       PG_DIAG_SQLSTATE)))))
  {
    (void) GNUNET_POSTGRES_check_result (plugin->dbh, ret, 
					 PGRES_COMMAND_OK, "CREATE TABLE",
					 "gn090dc");
    PQfinish (plugin->dbh);
    plugin->dbh = NULL;
    return GNUNET_SYSERR;
  }
  if (PQresultStatus (ret) == PGRES_COMMAND_OK)
  {
    if ((GNUNET_OK !=
         GNUNET_POSTGRES_exec (plugin->dbh, "CREATE INDEX idx_key ON gn090dc (key)")) ||
        (GNUNET_OK !=
         GNUNET_POSTGRES_exec (plugin->dbh, "CREATE INDEX idx_dt ON gn090dc (discard_time)")))
    {
      PQclear (ret);
      PQfinish (plugin->dbh);
      plugin->dbh = NULL;
      return GNUNET_SYSERR;
    }
  }
  PQclear (ret);
  ret =
      PQexec (plugin->dbh,
              "ALTER TABLE gn090dc ALTER value SET STORAGE EXTERNAL");
  if (GNUNET_OK !=
      GNUNET_POSTGRES_check_result (plugin->dbh, ret, PGRES_COMMAND_OK, "ALTER TABLE", "gn090dc"))
  {
    PQfinish (plugin->dbh);
    plugin->dbh = NULL;
    return GNUNET_SYSERR;
  }
  PQclear (ret);
  ret = PQexec (plugin->dbh, "ALTER TABLE gn090dc ALTER key SET STORAGE PLAIN");
  if (GNUNET_OK !=
      GNUNET_POSTGRES_check_result (plugin->dbh, ret, PGRES_COMMAND_OK, "ALTER TABLE", "gn090dc"))
  {
    PQfinish (plugin->dbh);
    plugin->dbh = NULL;
    return GNUNET_SYSERR;
  }
  PQclear (ret);
  if ((GNUNET_OK !=
       GNUNET_POSTGRES_prepare (plugin->dbh, "getkt",
                   "SELECT discard_time,type,value,path FROM gn090dc "
                   "WHERE key=$1 AND type=$2 ", 2)) ||
      (GNUNET_OK !=
       GNUNET_POSTGRES_prepare (plugin->dbh, "getk",
                   "SELECT discard_time,type,value,path FROM gn090dc "
                   "WHERE key=$1", 1)) ||
      (GNUNET_OK !=
       GNUNET_POSTGRES_prepare (plugin->dbh, "getm",
                   "SELECT length(value),oid,key FROM gn090dc "
                   "ORDER BY discard_time ASC LIMIT 1", 0)) ||
      (GNUNET_OK !=
       GNUNET_POSTGRES_prepare (plugin->dbh, "delrow", "DELETE FROM gn090dc WHERE oid=$1", 1)) ||
      (GNUNET_OK !=
       GNUNET_POSTGRES_prepare (plugin->dbh, "put",
                   "INSERT INTO gn090dc (type, discard_time, key, value, path) "
                   "VALUES ($1, $2, $3, $4, $5)", 5)))
  {
    PQfinish (plugin->dbh);
    plugin->dbh = NULL;
    return GNUNET_SYSERR;
  }
  return GNUNET_OK;
}
开发者ID:amatus,项目名称:gnunet-debian,代码行数:97,代码来源:plugin_datacache_postgres.c


示例12: SCIA_LV1_DEL_ENTRY

/*+++++++++++++++++++++++++ Main Program or Function +++++++++++++++*/
void SCIA_LV1_DEL_ENTRY( PGconn *conn, bool be_verbose, const char *flname )
{
    register int nr;

    unsigned int indx;

    char     sql_query[SQL_STR_SIZE];
    char     procStage[2];
    char     *cpntr, sciafl[SHORT_STRING_LENGTH];
    int      nrow, numChar;

    PGresult *res, *res_update;
    /*
     * strip path of file-name
     */
    if ( (cpntr = strrchr( flname, '/' )) != NULL ) {
        (void) nadc_strlcpy( sciafl, ++cpntr, SHORT_STRING_LENGTH );
    } else {
        (void) nadc_strlcpy( sciafl, flname, SHORT_STRING_LENGTH );
    }
    /*
     * check if we have to reverse field "softVersion[1]" in table "stateinfo"
     */
    numChar = snprintf( sql_query, SQL_STR_SIZE, SELECT_FROM_STATEINFO,
                        sciafl );
    if ( be_verbose )
        (void) printf( "%s(): %s [%-d]\n", __func__, sql_query, numChar );
    if ( numChar >= SQL_STR_SIZE )
        NADC_RETURN_ERROR( NADC_ERR_STRLEN, "sql_query" );
    res = PQexec( conn, sql_query );
    if ( PQresultStatus( res ) != PGRES_TUPLES_OK ) {
        NADC_RETURN_ERROR( NADC_ERR_SQL, PQresultErrorMessage(res) );
    }
    /* return when no entries are found */
    if ( (nrow = PQntuples( res )) == 0 ) goto done;
    /*
     * update field "softVersion[1]" in table "stateinfo"
     */
    (void) nadc_strlcpy( procStage, sciafl+10, 2 );
    for ( nr = 0; nr < nrow; nr++ ) {
        cpntr = PQgetvalue( res, nr, 0 );
        indx = (unsigned int) strtoul( cpntr, (char **)NULL, 10 );
        numChar = snprintf( sql_query, SQL_STR_SIZE,
                            UPDATE_STATEINFO, indx, procStage );
        if ( be_verbose )
            (void) printf( "%s(): %s [%-d]\n", __func__, sql_query, numChar );
        if ( numChar >= SQL_STR_SIZE )
            NADC_RETURN_ERROR( NADC_ERR_STRLEN, "sql_query" );
        res_update = PQexec( conn, sql_query );
        if ( PQresultStatus( res_update ) != PGRES_COMMAND_OK ) {
            NADC_ERROR( NADC_ERR_SQL,
                        PQresultErrorMessage(res_update) );
            PQclear( res_update );
            goto done;
        }
        PQclear( res_update );
    }
done:
    PQclear( res );
    /*
     * remove entry from table "meta__1P"
     * referenced entries in table "stateinfo_meta__0P" are removed by the engine
     */
    numChar = snprintf( sql_query, SQL_STR_SIZE, DELETE_FROM_META, sciafl );
    if ( be_verbose )
        (void) printf( "%s(): %s [%-d]\n", __func__, sql_query, numChar );
    if ( numChar >= SQL_STR_SIZE )
        NADC_RETURN_ERROR( NADC_ERR_STRLEN, "sql_query" );
    res = PQexec( conn, sql_query );
    if ( PQresultStatus( res ) != PGRES_COMMAND_OK )
        NADC_ERROR( NADC_ERR_SQL, PQresultErrorMessage(res) );
    PQclear( res );
}
开发者ID:rmvanhees,项目名称:nadc_tools,代码行数:74,代码来源:scia_lv1_del_entry.c


示例13: ExecQueryUsingCursor

/*
 * ExecQueryUsingCursor: run a SELECT-like query using a cursor
 *
 * This feature allows result sets larger than RAM to be dealt with.
 *
 * Returns true if the query executed successfully, false otherwise.
 *
 * If pset.timing is on, total query time (exclusive of result-printing) is
 * stored into *elapsed_msec.
 */
static bool
ExecQueryUsingCursor(const char *query, double *elapsed_msec)
{
	bool		OK = true;
	PGresult   *results;
	PQExpBufferData buf;
	printQueryOpt my_popt = pset.popt;
	FILE	   *queryFout_copy = pset.queryFout;
	bool		queryFoutPipe_copy = pset.queryFoutPipe;
	bool		started_txn = false;
	bool		did_pager = false;
	int			ntuples;
	char		fetch_cmd[64];
	instr_time	before,
				after;
	int			flush_error;

	*elapsed_msec = 0;

	/* initialize print options for partial table output */
	my_popt.topt.start_table = true;
	my_popt.topt.stop_table = false;
	my_popt.topt.prior_records = 0;

	if (pset.timing)
		INSTR_TIME_SET_CURRENT(before);

	/* if we're not in a transaction, start one */
	if (PQtransactionStatus(pset.db) == PQTRANS_IDLE)
	{
		results = PQexec(pset.db, "BEGIN");
		OK = AcceptResult(results) &&
			(PQresultStatus(results) == PGRES_COMMAND_OK);
		PQclear(results);
		if (!OK)
			return false;
		started_txn = true;
	}

	/* Send DECLARE CURSOR */
	initPQExpBuffer(&buf);
	appendPQExpBuffer(&buf, "DECLARE _psql_cursor NO SCROLL CURSOR FOR\n%s",
					  query);

	results = PQexec(pset.db, buf.data);
	OK = AcceptResult(results) &&
		(PQresultStatus(results) == PGRES_COMMAND_OK);
	PQclear(results);
	termPQExpBuffer(&buf);
	if (!OK)
		goto cleanup;

	if (pset.timing)
	{
		INSTR_TIME_SET_CURRENT(after);
		INSTR_TIME_SUBTRACT(after, before);
		*elapsed_msec += INSTR_TIME_GET_MILLISEC(after);
	}

	snprintf(fetch_cmd, sizeof(fetch_cmd),
			 "FETCH FORWARD %d FROM _psql_cursor",
			 pset.fetch_count);

	/* prepare to write output to \g argument, if any */
	if (pset.gfname)
	{
		/* keep this code in sync with PrintQueryTuples */
		pset.queryFout = stdout;	/* so it doesn't get closed */

		/* open file/pipe */
		if (!setQFout(pset.gfname))
		{
			pset.queryFout = queryFout_copy;
			pset.queryFoutPipe = queryFoutPipe_copy;
			OK = false;
			goto cleanup;
		}
	}

	/* clear any pre-existing error indication on the output stream */
	clearerr(pset.queryFout);

	for (;;)
	{
		if (pset.timing)
			INSTR_TIME_SET_CURRENT(before);

		/* get FETCH_COUNT tuples at a time */
		results = PQexec(pset.db, fetch_cmd);

//.........这里部分代码省略.........
开发者ID:HeyMendy,项目名称:9315ass2,代码行数:101,代码来源:common.c


示例14: SendQuery

/*
 * SendQuery: send the query string to the backend
 * (and print out results)
 *
 * Note: This is the "front door" way to send a query. That is, use it to
 * send queries actually entered by the user. These queries will be subject to
 * single step mode.
 * To send "back door" queries (generated by slash commands, etc.) in a
 * controlled way, use PSQLexec().
 *
 * Returns true if the query executed successfully, false otherwise.
 */
bool
SendQuery(const char *query)
{
	PGresult   *results;
	PGTransactionStatusType transaction_status;
	double		elapsed_msec = 0;
	bool		OK,
				on_error_rollback_savepoint = false;
	static bool on_error_rollback_warning = false;

	if (!pset.db)
	{
		psql_error("You are currently not connected to a database.\n");
		return false;
	}

	if (pset.singlestep)
	{
		char		buf[3];

		printf(_("***(Single step mode: verify command)*******************************************\n"
				 "%s\n"
				 "***(press return to proceed or enter x and return to cancel)********************\n"),
			   query);
		fflush(stdout);
		if (fgets(buf, sizeof(buf), stdin) != NULL)
			if (buf[0] == 'x')
				return false;
	}
	else if (pset.echo == PSQL_ECHO_QUERIES)
	{
		puts(query);
		fflush(stdout);
	}

	if (pset.logfile)
	{
		fprintf(pset.logfile,
				_("********* QUERY **********\n"
				  "%s\n"
				  "**************************\n\n"), query);
		fflush(pset.logfile);
	}

	SetCancelConn();

	transaction_status = PQtransactionStatus(pset.db);

	if (transaction_status == PQTRANS_IDLE &&
		!pset.autocommit &&
		!command_no_begin(query))
	{
		results = PQexec(pset.db, "BEGIN");
		if (PQresultStatus(results) != PGRES_COMMAND_OK)
		{
			psql_error("%s", PQerrorMessage(pset.db));
			PQclear(results);
			ResetCancelConn();
			return false;
		}
		PQclear(results);
		transaction_status = PQtransactionStatus(pset.db);
	}

	if (transaction_status == PQTRANS_INTRANS &&
		pset.on_error_rollback != PSQL_ERROR_ROLLBACK_OFF &&
		(pset.cur_cmd_interactive ||
		 pset.on_error_rollback == PSQL_ERROR_ROLLBACK_ON))
	{
		if (on_error_rollback_warning == false && pset.sversion < 80000)
		{
			fprintf(stderr, _("The server (version %d.%d) does not support savepoints for ON_ERROR_ROLLBACK.\n"),
					pset.sversion / 10000, (pset.sversion / 100) % 100);
			on_error_rollback_warning = true;
		}
		else
		{
			results = PQexec(pset.db, "SAVEPOINT pg_psql_temporary_savepoint");
			if (PQresultStatus(results) != PGRES_COMMAND_OK)
			{
				psql_error("%s", PQerrorMessage(pset.db));
				PQclear(results);
				ResetCancelConn();
				return false;
			}
			PQclear(results);
			on_error_rollback_savepoint = true;
		}
//.........这里部分代码省略.........
开发者ID:HeyMendy,项目名称:9315ass2,代码行数:101,代码来源:common.c


示例15: get_tablespace_paths

/*
 * get_tablespace_paths()
 *
 * Scans pg_tablespace and returns a malloc'ed array of all tablespace
 * paths. Its the caller's responsibility to free the array.
 */
static void
get_tablespace_paths(void)
{
	PGconn	   *conn = connectToServer(&old_cluster, "template1");
	PGresult   *res;
	int			tblnum;
	int			i_spclocation;
	char		query[QUERY_ALLOC];

	snprintf(query, sizeof(query),
			 "SELECT	%s "
			 "FROM	pg_catalog.pg_tablespace "
			 "WHERE	spcname != 'pg_default' AND "
			 "		spcname != 'pg_global'",
	/* 9.2 removed the spclocation column */
			 (GET_MAJOR_VERSION(old_cluster.major_version) <= 901) ?
	"spclocation" : "pg_catalog.pg_tablespace_location(oid) AS spclocation");

	res = executeQueryOrDie(conn, "%s", query);

	if ((os_info.num_old_tablespaces = PQntuples(res)) != 0)
		os_info.old_tablespaces = (char **) pg_malloc(
							   os_info.num_old_tablespaces * sizeof(char *));
	else
		os_info.old_tablespaces = NULL;

	i_spclocation = PQfnumber(res, "spclocation");

	for (tblnum = 0; tblnum < os_info.num_old_tablespaces; tblnum++)
	{
		struct stat statBuf;

		os_info.old_tablespaces[tblnum] = pg_strdup(
									 PQgetvalue(res, tblnum, i_spclocation));

		/*
		 * Check that the tablespace path exists and is a directory.
		 * Effectively, this is checking only for tables/indexes in
		 * non-existent tablespace directories.  Databases located in
		 * non-existent tablespaces already throw a backend error.
		 * Non-existent tablespace directories can occur when a data directory
		 * that contains user tablespaces is moved as part of pg_upgrade
		 * preparation and the symbolic links are not updated.
		 */
		if (stat(os_info.old_tablespaces[tblnum], &statBuf) != 0)
		{
			if (errno == ENOENT)
				report_status(PG_FATAL,
							  "tablespace directory \"%s\" does not exist\n",
							  os_info.old_tablespaces[tblnum]);
			else
				report_status(PG_FATAL,
						  "could not stat tablespace directory \"%s\": %s\n",
						   os_info.old_tablespaces[tblnum], strerror(errno));
		}
		if (!S_ISDIR(statBuf.st_mode))
			report_status(PG_FATAL,
						  "tablespace path \"%s\" is not a directory\n",
						  os_info.old_tablespaces[tblnum]);
	}

	PQclear(res);

	PQfinish(conn);

	return;
}
开发者ID:DataSystemsLab,项目名称:hippo-postgresql,代码行数:73,代码来源:tablespace.c


示例16: SCIA_LV1_MATCH_STATE

/*+++++++++++++++++++++++++ Main Program or Function +++++++++++++++*/
void SCIA_LV1_MATCH_STATE( PGconn *conn, bool be_verbose,
			   const struct mph_envi *mph, unsigned short numState,
			   const struct lads_scia *lads,
			   const struct sqads1_scia *sqads,
			   const struct state1_scia *state )
{
     register unsigned short ni;
     register int nr;

     char date_str1[UTC_STRING_LENGTH], date_str2[UTC_STRING_LENGTH];

     char sql_query[SQL_STR_SIZE], cbuff[SQL_STR_SIZE];
     char *sql_long_query;

     char           *pntr;
     unsigned short numMatch;
     int            i_indx, i_state, i_date, i_musec, i_softv;
     int            meta_id, nrow, numRows;
     size_t         nc, numChar, sql_long_sz;
     unsigned int   musec;
     double         delayedBy;

     PGresult *res;

     const double SecPerDay = 24. * 60 * 60;

     struct coord_envi    corners[NUM_CORNERS];
     struct stateinfo_rec *stateRow = NULL;
/*
 * get all potential matching states from table "stateinfo"
 */
     if ( numState == 0 ) return;
     MJD_2_DATETIME( state->mjd.days, state->mjd.secnd, 0, date_str1 );
     MJD_2_DATETIME( state[numState-1].mjd.days, state[numState-1].mjd.secnd, 
		     0, date_str2 );
     numChar = snprintf( sql_query, SQL_STR_SIZE, SELECT_FROM_STATEINFO,
			 date_str1, date_str2 );
     if ( be_verbose )
	  (void) printf( "%s(): %s [%-zd]\n", __func__, sql_query, numChar );
     if ( numChar >= SQL_STR_SIZE )
          NADC_RETURN_ERROR( NADC_ERR_STRLEN, "sql_query" );
     res = PQexec( conn, sql_query );
     if ( PQresultStatus( res ) != PGRES_TUPLES_OK )
	  NADC_GOTO_ERROR( NADC_ERR_SQL, PQresultErrorMessage(res) );
     if ( (numRows = PQntuples( res )) == 0 ) 
	  NADC_GOTO_ERROR( NADC_ERR_WARN, NO_DMOP_FOUND );
     stateRow = (struct stateinfo_rec *) 
	  malloc( numRows * sizeof(struct stateinfo_rec) );
     if ( stateRow == NULL )
	  NADC_GOTO_ERROR( NADC_ERR_ALLOC, "stateRow" );

     i_indx  = PQfnumber( res, "pk_stateinfo" );
     i_state = PQfnumber( res, "stateID" );
     i_date  = PQfnumber( res, "dateTimeStart" );
     i_musec = PQfnumber( res, "muSecStart" );
     i_softv = PQfnumber( res, "softVersion" );
     for ( nr = 0; nr < numRows; nr++ ) {
	  pntr = PQgetvalue( res, nr, i_indx );
	  stateRow[nr].indxDMOP = 
	       (unsigned int) strtoul( pntr, (char **) NULL, 10 );
	  pntr = PQgetvalue( res, nr, i_state );
	  stateRow[nr].stateID  = (unsigned char) atoi( pntr );
	  pntr = PQgetvalue( res, nr, i_date );
	  musec = (unsigned int) strtoul( PQgetvalue( res, nr, i_musec ),
					   (char **) NULL, 10 );
	  stateRow[nr].jday = DATETIME_2_JULIAN( pntr, musec );
	  pntr = PQgetvalue( res, nr, i_softv );
	  (void) nadc_strlcpy( stateRow[nr].softVersion, pntr, 4 );
	  stateRow[nr].indxState = USHRT_MAX;
	  stateRow[nr].dtMatch = 30 / SecPerDay;
     }
     PQclear( res );
/*
 * loop over states from files to identify matching states from DMOP list
 */
     for ( ni = 0; ni < numState; ni++ ) {
	  register double jday  = state[ni].mjd.da 

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C++ PQcmdTuples函数代码示例发布时间:2022-05-30
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