Function exec_command_d

src/bin/psql/command.c:700–958

* \d* commands */

 * \d* commands
 */
static backslashResult
exec_command_d(PsqlScanState scan_state, bool active_branch, const char *cmd)
{
	backslashResult status = PSQL_CMD_SKIP_LINE;
	bool		success = true;

	if (active_branch)
	{
		char	   *pattern;
		bool		show_verbose,
					show_system;

		/* We don't do SQLID reduction on the pattern yet */
		pattern = psql_scan_slash_option(scan_state,
										 OT_NORMAL, NULL, true);

		show_verbose = strchr(cmd, '+') ? true : false;
		show_system = strchr(cmd, 'S') ? true : false;

		switch (cmd[1])
		{
			case '\0':
			case '+':
			case 'S':  /* GPDB:  This is a change from old behavior: We used to show just system tables */
				if (pattern)
					success = describeTableDetails(pattern, show_verbose, show_system);
				else
					/* standard listing of interesting things */
					success = listTables("tvmsE", NULL, show_verbose, show_system);
				break;
			case 'A':
				{
					char	   *pattern2 = NULL;

					if (pattern && cmd[2] != '\0' && cmd[2] != '+')
						pattern2 = psql_scan_slash_option(scan_state, OT_NORMAL, NULL, true);

					switch (cmd[2])
					{
						case '\0':
						case '+':
							success = describeAccessMethods(pattern, show_verbose);
							break;
						case 'c':
							success = listOperatorClasses(pattern, pattern2, show_verbose);
							break;
						case 'f':
							success = listOperatorFamilies(pattern, pattern2, show_verbose);
							break;
						case 'o':
							success = listOpFamilyOperators(pattern, pattern2, show_verbose);
							break;
						case 'p':
							success = listOpFamilyFunctions(pattern, pattern2, show_verbose);
							break;
						default:
							status = PSQL_CMD_UNKNOWN;
							break;