Function explode_asterisk

src/gpre/sqe.cpp:1335–1363

//

static gpre_nod* explode_asterisk( gpre_nod* fields, int n, gpre_rse* selection)
{
	TEXT s[ERROR_LENGTH];

	assert_IS_NOD(fields);

	gpre_nod* node = fields->nod_arg[n];
	tok* q_token = (tok*) node->nod_arg[0];
	if (q_token)
	{
		// expand for single relation
		gpre_ctx* context = resolve_asterisk(q_token, selection);
		if (context)
			fields = merge_fields(fields, MET_fields(context), n, true);
		else
		{
			fb_utils::snprintf(s, sizeof(s), "columns \"%s.*\" cannot be resolved", q_token->tok_string);
			PAR_error(s);
		}
	}
	else
	{
		// expand for all relations in context list

		fields = explode_asterisk_all(fields, n, selection, true);
	}

	return fields;
}


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