Function SQL_resolve_identifier

src/gpre/sql.cpp:6771–6825

// the output variable to put the result in it.

void SQL_resolve_identifier( const TEXT* err_mesg, TEXT* str_in, int in_size)
{
	static TEXT internal_buffer[MAX_CURSOR_SIZE];
	TEXT* str;
	int len;
	if (str_in)
	{
		str = str_in;
		len = in_size - 1;
	}
	else
	{
		str = internal_buffer;
		len = sizeof(internal_buffer) - 1;
		if (in_size > 0 && in_size <= len)
		    len = in_size - 1;
		else if (in_size > len + 1)
		    PAR_error("Provide your own buffer for sizes bigger than 64.");
	}

	TEXT* const tk_string = gpreGlob.token_global.tok_string;

	switch (gpreGlob.sw_sql_dialect)
	{
	case 2:
		if (gpreGlob.token_global.tok_type == tok_dblquoted)
			PAR_error("Ambiguous use of double quotes in dialect 2");
			// fall into
	case 1:
		if (gpreGlob.token_global.tok_type != tok_ident)
			CPR_s_error(err_mesg);
		else
			to_upcase(tk_string, str, len + 1);
		break;
	case 3:
		switch (gpreGlob.token_global.tok_type)
		{
		case tok_dblquoted:
			// strip_quotes is too dumb to handle C escape sequences
			// or SQL escape sequences in quoted identifiers.
			if (tk_string[0] == '\"')
				strip_quotes(gpreGlob.token_global);
			fb_utils::copy_terminate(str, tk_string, len + 1);
			break;
		case tok_ident:
			to_upcase(tk_string, str, len + 1);
			break;
		default:
			CPR_s_error(err_mesg);
		}

		break;
	}
	strcpy(tk_string, str);
}


void SQL_dialect1_bad_type(USHORT field_dtype)